Commit Graph

31698 Commits

Author SHA1 Message Date
Roger Sayle ffa1b3c684 i386.c (ix86_swap_binary_operands_p): New helper function to simplify/factorize operand order canonicalization.
* config/i386/i386.c (ix86_swap_binary_operands_p): New helper
	function to simplify/factorize operand order canonicalization.
	(ix86_fixup_binary_operands): Reorganize using the above function.
	(ix86_binary_operator_ok): Likewise.

From-SVN: r121227
2007-01-27 02:52:37 +00:00
Jakub Jelinek e2e3023612 genattrtab.c (struct attr_value_list, [...]): Move to file scope from optimize_attrs.
* genattrtab.c (struct attr_value_list, insn_code_values): Move to
	file scope from optimize_attrs.
	(simplify_test_exp): If insn_code_values is not NULL, use it to speed
	up search.
	(optimize_attrs): Clear insn_code_values after freeing it.

From-SVN: r121216
2007-01-27 00:15:08 +01:00
Zdenek Dvorak cdd76d88c8 tree-ssa-address.c (create_mem_ref): Remove ", bsi" from a parts.base assignment.
* tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
	a parts.base assignment.

From-SVN: r121213
2007-01-26 19:47:20 +00:00
Zdenek Dvorak d93817c435 tree-data-ref.c (dump_subscript): Use dump_conflict_function.
* tree-data-ref.c (dump_subscript): Use dump_conflict_function.
	(compute_subscript_distance, initialize_data_dependence_relation,
	finalize_ddr_dependent, analyze_ziv_subscript,
	analyze_siv_subscript_cst_affine,
	compute_overlap_steps_for_affine_univar,
	compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
	analyze_siv_subscript, analyze_miv_subscript,
	analyze_overlapping_iterations, subscript_dependence_tester_1,
	compute_self_dependence, free_dependence_relation): Work
	with affine_fn instead of chrecs.
	(dump_affine_function, dump_conflict_function, affine_function_equal_p,
	common_affine_function, affine_function_base,
	affine_function_constant_p, affine_fn_op, affine_fn_plus,
	affine_fn_minus, affine_fn_free, conflict_fn_not_known,
	conflict_fn_no_dependence, free_conflict_function, free_subscripts,
	conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
	(all_chrecs_equal_p): Removed.
	* tree-data-ref.h (affine_fn, conflict_function): New types.
	(struct subscript): Change type of conflicting_iterations_in_a
	and conflicting_iterations_in_b.

From-SVN: r121212
2007-01-26 19:33:04 +00:00
Steve Ellcey dfcb2b5145 re PR target/30182 (FAIL: gcc.dg/pr28796-2.c (test for excess errors))
PR other/30182
	* config/pa/pa.h (TARGET_HPUX_11): New.
	* config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
	* config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.

From-SVN: r121211
2007-01-26 18:16:29 +00:00
Daniel Berlin d3c3697412 tree-ssa-structalias.c (solve_graph): Handle case we merged the variable to another.
2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
	Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (solve_graph): Handle case
	we merged the variable to another.

Co-Authored-By: Richard Guenther <rguenther@suse.de>

From-SVN: r121202
2007-01-26 12:36:01 +00:00
Kaveh R. Ghazi 4b26d10bcc builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even' functions.
* builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
	functions.

	* fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
	catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
	
testsuite:
	* gcc.dg/builtins-20.c: Add more cases.
	* gcc.dg/torture/builtin-symmetric-1.c: Likewise.

From-SVN: r121200
2007-01-26 02:40:31 +00:00
DJ Delorie db9c839733 m32c.c (m32c_cannot_change_mode_class): We don't allow changes to modes which don't fit in those registers.
* config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
allow changes to modes which don't fit in those registers.

From-SVN: r121199
2007-01-25 20:16:57 -05:00
DJ Delorie 21f14ff955 reload1.c (choose_reload_regs): Check for invalid subregs before computing their locations, not after.
* reload1.c (choose_reload_regs): Check for invalid subregs before
computing their locations, not after.

From-SVN: r121198
2007-01-25 20:15:05 -05:00
Geoffrey Keating 22fa69dace re PR target/25127 (internal compiler error: in rs6000_emit_prologue, at config/rs6000/rs6000.c:14039)
2007-01-24  Geoffrey Keating  <geoffk@apple.com>

	PR 25127
	* config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
	save Altivec registers in an eh_return function.
	(compute_vrsave_mask): Likewise.
	(rs6000_stack_info): Correct AIX/Darwin stack alignment computation
	for saving Altivec registers.
	(rs6000_emit_prologue): Don't allocate stack twice in
	eh_return function.  Correct expected value of altivec_save_offset
	when using save_world.  Describe save of R0 to stack when using
	save_world.  Describe stack pointer adjustment when using
	save_world.  Remove duplicated eh_return parameter register saving.
	Update sp_offset variable after save_world.
	* config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
	darwin-world.asm.
	(LIB2FUNCS_EXTRA): Add darwin-world.asm.
	* config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
	implies Altivec.

Index: gcc/testsuite/ChangeLog
2007-01-24  Geoffrey Keating  <geoffk@apple.com>

	* gcc.target/powerpc/darwin-ehreturn-1.c: New.
	* g++.dg/eh/simd-2.C: Also run on Darwin.
	* g++.dg/eh/simd-3.C: New.
	* g++.dg/eh/simd-4.C: New.

From-SVN: r121184
2007-01-25 20:32:06 +00:00
Steve Ellcey 79e8b6c016 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
From-SVN: r121180
2007-01-25 18:08:16 +00:00
Steve Ellcey 7d52200069 re PR target/30182 (FAIL: gcc.dg/pr28796-2.c (test for excess errors))
PR other/30182
	* config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
	* config/ia64/ia64.c (ia64_init_builtins):  Ditto.

From-SVN: r121178
2007-01-25 17:06:55 +00:00
Richard Guenther 16c1c158d8 invoke.texi (-Wcoverage-mismatch): Document.
2007-01-25  Richard Guenther  <rguenther@suse.de>

	* doc/invoke.texi (-Wcoverage-mismatch): Document.
	* common.opt (-Wcoverage-mismatch): New warning option.
	* coverage.c (get_coverage_counts): Ignore coverage mismatch
	if -Wcoverage-mismatch is given.

	* gcc.dg/tree-prof/tree-prof.exp: Define _PROFILE_GENERATE
	and _PROFILE_USE.
	* gcc.dg/tree-prof/wcoverage-mismatch.c: New testcase.

From-SVN: r121169
2007-01-25 12:35:13 +00:00
Razya Ladelsky b9c369e618 ipa-cp.c (ipcp_insert_stage, [...]): Support for SSA.
2007-01-25  Razya Ladelsky  <razya@il.ibm.com>

        * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
          (ipcp_driver): Change to static definition.
          Add dumping of the ifunctions.
          (constant_val_insert): Remove unused parameter. Support for SSA.
          (ipcp_propagate_const): Support for SSA.
          (ipcp_profile_bb_print): Print only analyzed nodes.
          (ipcp_replace_map_create): Remove support for Fortran constant
          for now.
          * ipa-prop.c (ipa_method_modify_stmt,
          ipa_callsite_compute_param): Support for SSA.
          * ipa-prop.h (ipcp_driver): Remove declaration.
          (IS_VALID_TREE_MAP_INDEX): Add define.

From-SVN: r121167
2007-01-25 10:54:47 +00:00
Geoffrey Keating 9dc5c4f5eb * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
From-SVN: r121165
2007-01-25 07:08:33 +00:00
Kaveh R. Ghazi 01ffa37015 re PR middle-end/30447 (Evaluate complex math functions at compile-time)
PR middle-end/30447
	* builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
	constant argument to cabs and do it without checking for
	-funsafe-math-optimizations.

From-SVN: r121163
2007-01-25 04:15:26 +00:00
Douglas Gregor e1f1ee86a8 c-common.h (RID_FIRST_CXX0X): New.
2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>

	* c-common.h (RID_FIRST_CXX0X): New.
	(RID_LAST_CXX0X): New.
	* c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
	by -Wall.
	* c.opt (Wc++0x-compat): New.
	* doc/invoke.texi (-Wc++0x-compat): Document.

From-SVN: r121162
2007-01-25 04:04:18 +00:00
Kaveh R. Ghazi 527cab2096 builtins.c (fold_builtin_carg): New.
* builtins.c (fold_builtin_carg): New.
	(fold_builtin_1): Use it.

testsuite:
	* gcc.dg/builtins-20.c: Test builtin carg.

From-SVN: r121159
2007-01-25 03:57:30 +00:00
Jan Hubicka ee41133693 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
From-SVN: r121156
2007-01-25 01:13:02 +00:00
Jan Hubicka b7c27d5169 ipa-inline.c (initial_insns, max_insns): Delete.
* ipa-inline.c (initial_insns, max_insns): Delete.
	(compute_max_insns): New function.
	(cgraph_decide_inlining_of_small_function): Use it; take minimal amount
	of insns as base for code growth.
	(cgraph_decide_inlining): Make initial_insns local; do not compute
	max_insns.
	* params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
	* doc/invoke.texi (inline-unit-growth): Update docs.

From-SVN: r121144
2007-01-24 22:45:00 +00:00
Jakub Jelinek 15a26abf30 i386.h (x86_cmpxchg16b): Remove const.
* config/i386/i386.h (x86_cmpxchg16b): Remove const.
	(TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
	* config/i386/i386.c (x86_cmpxchg16b): Remove const.
	(override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
	for CPUs that have PTA_CX16 set.

From-SVN: r121140
2007-01-24 23:00:03 +01:00
Jakub Jelinek 07b7aade9d re PR middle-end/27416 (ICE on invalid firstprivate/lastprivate)
PR middle-end/27416
	* gimplify.c (omp_check_private): New function.
	(gimplify_scan_omp_clauses): Use it for
	firstprivate/lastprivate/reduction.

	* gcc.dg/gomp/pr27416.c: New test.

From-SVN: r121133
2007-01-24 21:58:21 +01:00
Jakub Jelinek 4288fea212 re PR middle-end/30494 (ICE with VLA and openmp)
PR middle-end/30494
	* gimplify.c (omp_add_variable): Don't call omp_notice_variable
	on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.

	* gcc.dg/gomp/pr30494.c: New test.
	* g++.dg/gomp/pr30494.C: New test.

	* testsuite/libgomp.c/pr30494.c: New test.

From-SVN: r121132
2007-01-24 21:56:45 +01:00
Jakub Jelinek 3d55c64b49 re PR middle-end/30421 (incorrect warning when using firstprivate and lastprivate clauses)
PR middle-end/30421
	* omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
	If lower_lastprivate_clauses emits some statements, append them
	to dlist rather than body_p and to body_p append an initializer.
	(lower_omp_for): Adjust caller.

	* gcc.dg/gomp/pr30421.c: New test.

From-SVN: r121131
2007-01-24 21:53:08 +01:00
Steve Ellcey 3b313c7838 Forgot ChangeLog in previous commit.
From-SVN: r121129
2007-01-24 19:40:57 +00:00
Andreas Krebbel f767122b2e unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with _uleb128_t and _Unwind_SWord with _sleb128_t.
2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>

	* unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with 
	_uleb128_t and _Unwind_SWord with _sleb128_t.
	* unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
	uw_frame_state_for, uw_update_context_1): Likewise.
	* unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
	* unwind-pe.h (read_uleb128, read_sleb128,
	read_encoded_value_with_base): Likewise.
	* unwind-generic.h: Define _sleb128_t and _uleb128_t types.

2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>

	* libsupc++/eh_personality.cc (parse_lsda_header, check_exception_spec,
	get_ttype_entry, empty_exception_spec, PERSONALITY_FUNCTION): Replaced
	_Unwind_Word with _uleb128_t and _Unwind_SWord with _sleb128_t.

2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>

	* exception.cc (parse_lsda_header, PERSONALITY_FUNCTION): Replaced
	_Unwind_Word with _uleb128_t and _Unwind_SWord with _sleb128_t.

From-SVN: r121116
2007-01-24 14:46:47 +00:00
Richard Guenther 9d972b2dd3 builtins.c (expand_builtin_cexpi): Get the fndecl for cexp in the correct way.
2007-01-24  Richard Guenther  <rguenther@suse.de>

	* builtins.c (expand_builtin_cexpi): Get the fndecl
	for cexp in the correct way.

From-SVN: r121114
2007-01-24 13:49:18 +00:00
Jan Hubicka cf22730346 pr23382.c: Avoid DCE from eliminating dead variable.
* gcc.dg/tree-ssa/pr23382.c: Avoid DCE from eliminating dead variable.
	* tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.

From-SVN: r121108
2007-01-24 12:13:45 +00:00
Andreas Krebbel 024a85aeb6 c-cppbuiltin.c (builtin_define_type_sizeof): New function.
2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>

	* c-cppbuiltin.c (builtin_define_type_sizeof): New function.
	(c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
	__SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
	__SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
	__SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
	__SIZEOF_PTRDIFF_T__.
	* doc/cpp.texi: Documentation for the new builtin macros added.

2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>

	* gcc.c-torture/compile/sizeof-macros-1.c: New testcase.

From-SVN: r121107
2007-01-24 12:03:38 +00:00
Uros Bizjak 9db2744988 i386.md (tanxf2, [...]): Use op2 instead of operands[2] to avoid access past the end of array.
* config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
	log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
	instead of operands[2] to avoid access past the end of array.

From-SVN: r121106
2007-01-24 12:17:09 +01:00
Richard Sandiford 92d5459253 reload1.c (emit_reload_insns): Pass the reload register for a non-spill output reload through forget_old_reloads_1.
gcc/
	* reload1.c (emit_reload_insns): Pass the reload register
	for a non-spill output reload through forget_old_reloads_1.

From-SVN: r121105
2007-01-24 08:16:14 +00:00
Joseph Myers 17caeff262 rs6000-c.c (rs6000_cpu_cpp_builtins): Define _SOFT_DOUBLE if doubles use software floating-point.
gcc:
	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
	_SOFT_DOUBLE if doubles use software floating-point.
	* config/rs6000/libgcc-ppc-glibc.ver: Export additional long
	double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
	* config/rs6000/darwin-ldouble.c: Also compile functions for
	hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
	cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
	* config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
	commented-out long double override.
	(CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
	* config/rs6000/eabispe.h: Likewise.
	* config/rs6000/rs6000.c (rs6000_override_options): Don't override
	long double for non-SPE.
	(rs6000_handle_option): Likewise.
	(invalid_e500_subreg): Disallow more subregs involding DImode,
	DFmode, TImode or TFmode.
	(rs6000_legitimate_offset_address_p): Check TFmode offsets for
	E500 double.
	(legitimate_lo_sum_address_p): Also check for TFmode for E500
	double.
	(rs6000_legitimize_address): Also handle TFmode for E500 double.
	(rs6000_legitimize_reload_address): Also handle TFmode for E500
	double.
	(rs6000_legitimate_address): Also check for TFmode for E500
	double.
	(rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
	(spe_build_register_parallel): Handle TFmode and TCmode.
	(rs6000_spe_function_arg): Handle TFmode and TCmode for E500
	double.
	(function_arg): Handle TFmode and TCmode for E500 double.
	(rs6000_init_libfuncs): Initialize extra libfuncs for soft double
	in general.
	(print_operand): Handle TFmode and TImode for %y.
	(rs6000_generate_compare): Handle TFmode comparisons for E500
	double.
	(spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
	(rs6000_function_value): Handle TFmode and TCmode for E500 double.
	(rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
	* config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
	TFmode for E500 double.
	* config/rs6000/rs6000.md (FP): Allow TF for E500 double.
	(floatsidf2): Enable for E500 double.
	(movtf_softfloat): Use rs6000_nonimmediate_operand.
	(extenddftf2): Change to extenddftf2_fprs.
	(extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
	depending on TARGET_E500_DOUBLE.
	(extendsftf2): Enable for E500 double.
	(trunctfdf2): Enable for E500 double.
	(trunctfsf2): Change to trunctfsf2_fprs.
	(trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
	depending on TARGET_E500_DOUBLE.
	(floatsitf2): Enable for E500 double.
	(fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
	(fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
	gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
	(negtf2): Change to negtf2_internal.
	(negtf2): New expander.
	(abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
	gen_spe_abstf2_cmp or gen_abstf2_internal depending on
	TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
	(movdi_internal32): Use rs6000_nonimmediate_operand.
	(unnamed splitter): Likewise.
	* config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
	TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
	(SPE64TF, DITI): New mode macros.
	(frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
	modes.
	(frob_tf_ti): New.
	(frob_<mode>_di_2): New.
	(frob_tf_di_8_2): New.
	(frob_di_df): Change to frob_di_<mode>; allow more modes.
	(frob_ti_tf): New.
	(frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
	more modes.
	(frob_ti_<mode>_8_2): New.
	(frob_ti_tf_2): New.
	(mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
	mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
	TFmode.
	(mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
	mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
	(spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
	spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
	spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
	(cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
	tsttflt_gp): New.

libgcc:
	* config/rs6000/t-ldbl128: Always use -mlong-double-128.

From-SVN: r121085
2007-01-23 19:38:33 +00:00
Ian Lance Taylor d5dc6badbf Makefile.in (OBJS-common): Reformat, alphabetize, but put insn-*.o first.
* Makefile.in (OBJS-common): Reformat, alphabetize, but put
	insn-*.o first.
	(OBJS-archive): Reformat, alphabetize.
	(OBJS): Change out_object_file to OBJS-md.

From-SVN: r121081
2007-01-23 15:12:44 +00:00
Uros Bizjak 7656aee4d0 i386.md: Use REG_P...
* config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
	JUMP_P and CALL_P predicates where applicable.
	* config/i386/i386.c: Ditto.
	* config/i386/i386.md: Ditto.
	* config/i386/mmx.md: Ditto.
	* config/i386/predicates.md: Ditto.

From-SVN: r121079
2007-01-23 08:14:26 +01:00
Andreas Schwab c8832aae41 * config/m68k/m68k.h: Fix comment.
From-SVN: r121063
2007-01-22 21:16:24 +00:00
Jan Hubicka 6ffa0491ad passes.c (init_optimization_passes): Do not rerun pass_early_warn_uninitialized.
* passes.c (init_optimization_passes): Do not rerun
	pass_early_warn_uninitialized.

From-SVN: r121060
2007-01-22 18:51:56 +00:00
Richard Guenther 2f397a93c0 re PR tree-optimization/30038 (Call to sin(x), cos(x) should be transformed to sincos(x))
2007-01-22  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/30038
	* tree-ssa-math-opts.c (maybe_record_sincos): New static helper
	function.
	(execute_cse_sincos_1): Likewise.
	(execute_cse_sincos): Likewise.
	(gate_cse_sincos): Likewise.
	(pass_cse_sincos): New pass CSEing sin() and cos() calls using
	the cexpi() canonicalization of sincos().
	* tree-pass.h (pass_cse_sincos): Declare.
	* passes.c (init_optimization_passes): New pass pas_cse_sincos.

	* gcc.dg/builtins-62.c: New testcase.

From-SVN: r121052
2007-01-22 11:11:00 +00:00
Eric Botcazou 64c9193063 re PR rtl-optimization/29329 (internal consistency failure)
PR rtl-optimization/29329
	* combine.c (replaced_rhs_insn): Rename to i2mod.
	(replaced_rhs_value): Rename to i2mod_new_rhs.
	(i2mod_old_rhs): New global variable.
	(combine_instructions): Adjust for above change.  Save a copy of
	the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
	note are substituted in the second instruction.
	(distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
	ditch the note if it pertains to the second eliminated register
	and this register is mentioned in i2mod_old_rhs.

	Revert:
	2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
	the insn to which the note was originally attached.

From-SVN: r121037
2007-01-21 22:32:39 +00:00
Jan Hubicka 7fa49e7be7 ipa-inline.c (inlining_mode): Comment, move up.
* ipa-inline.c (inlining_mode): Comment, move up.
	(cgraph_decide_inlining_incrementally): Do not perform inlining itself; fix
	handling of flattening of self recursive functions.
	(cgraph_find_cycles): Remove.
	(cgraph_flatten_node): Remove.
	(cgraph_decide_inlining): Use incremental inliner to handle flattening.
	(try_inline): New function.
	(cgraph_early_inlining): Update call of cgraph_decide_inlining_incrementally.
	Apply inlining here.
	(apply_inline): Update call of cgraph_decide_inlining_incrementally.

From-SVN: r121034
2007-01-21 18:35:27 +00:00
Dirk Mueller 1eb7b04904 re PR bootstrap/30511 (False array bound check causes gcc failed to boostrap)
2007-01-21  Dirk Mueller  <dmueller@suse.de>

        PR bootstrap/30511
        * tree-vrp.c (check_array_bounds): do not warn
        about ADDR_EXPR's of ARRAY_REF's which are immediately
        used in binary expressions.

From-SVN: r121032
2007-01-21 16:12:10 +00:00
Ira Rosen 6004caaf4d tree-vectorizer.h (struct _stmt_vec_info): Add new field read_write_dep and macros for its access.
* tree-vectorizer.h (struct _stmt_vec_info): Add new field
	read_write_dep and macros for its access.
	* tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
	* tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
	argument, call vect_check_interleaving for every independent pair of
	data-refs. Mark loads that access the same memory location as a store
	in the loop.
	(vect_check_dependences): Remove.
	(vect_analyze_data_ref_dependences): Remove  vect_check_dependences
	call, fix the call to vect_analyze_data_ref_dependence.
	(vect_analyze_data_ref_access): For statements that access the same
	data-ref, check that they are not stores; for loads, check that there
	is no store that access the same location.

From-SVN: r121026
2007-01-21 09:22:56 +00:00
Roger Sayle 78681dbdee invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
* doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
	(-fdump-rtl-stack): Likewise.
	(-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
	(-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
	(-mpt-fixed): Use @minus{} for minus sign.
	(Using Precompiled Headers): Fix under/overfull hbox.


Co-Authored-By: Joseph Myers <joseph@codesourcery.com>

From-SVN: r121023
2007-01-21 03:54:41 +00:00
Jan Hubicka d48a05c3c4 tree-flow.h (struct stmt_ann_d): Move references_memory to proper place within annotation.
* tree-flow.h (struct stmt_ann_d): Move references_memory to proper
	place within annotation.

From-SVN: r121022
2007-01-21 02:54:43 +00:00
Basile Starynkevitch b153d3e1ca gcc/Changelog typos
From-SVN: r121006
2007-01-20 17:59:46 +00:00
John David Anglin 4c6d872614 pa.c (output_move_double): Change array size of xoperands to 4.
* pa.c (output_move_double): Change array size of xoperands to 4.

From-SVN: r121002
2007-01-20 16:27:06 +00:00
Jan Hubicka bbba68dd6b tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL as temporary.
* tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
	as temporary.

From-SVN: r120999
2007-01-20 11:24:06 +00:00
Ian Lance Taylor e4c9f3c21d expmed.c (expand_divmod): Cast constant to unsigned HOST_WIDE_INT before negating.
* expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
	constant to unsigned HOST_WIDE_INT before negating.

From-SVN: r120995
2007-01-20 02:04:31 +00:00
Ian Lance Taylor b2bcf5577a tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field to unsigned.
* tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
	to unsigned.
	(VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
	(VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
	(SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
	(SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
	(SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
	(realloc_vdef, realloc_vuse): Change second parameter to
	unsigned.
	(ssa_operand_iterator_d): Change vuse_index and mayuse_index
	fields to unsigned.
	* tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
	unsigned. Change x and lim locals to unsigned.
	(realloc_vdef, realloc_vuse): Change num_elem parameter to
	unsigned.
	(finalize_ssa_vuse_ops): Change old_i local to unsigned.
	(copy_virtual_operands): Change i and n locals to unsigned.

From-SVN: r120994
2007-01-20 01:31:06 +00:00
Kaveh R. Ghazi 92d966284c re PR middle-end/29335 (transcendental functions with constant arguments should be resolved at compile-time)
PR middle-end/29335
	* builtins.c (fold_builtin_1): Handle builtin fdim.

testsuite:
	* gcc.dg/torture/builtin-math-3.c: Test fdim.

From-SVN: r120993
2007-01-20 00:33:00 +00:00
Jan Hubicka c9fa8bd45b tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
* tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
        * tree-ssa-structalias.c (compute_points_to_sets): Do call
        init_alias_heapvars.
        (init_alias_heapvars): Initialize only when not already initialized.
        (delete_alias_heapvars): Set heapvar_for_stmt to NULL.

From-SVN: r120983
2007-01-20 00:13:38 +00:00
Roger Sayle db02da7917 common.opt (fsigned-zeros): New command line option.
* common.opt (fsigned-zeros): New command line option.
	* flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
	of flag_unsafe_math_optimizations.
	* opts.c (set_fast_math_flags): The -ffast-math command line option
	implies -fno-signed-zeros.
	(fast_math_flags_set_p): Likewise.

	* doc/invoke.texi: Document new -fno-signed-zeros option, and update
	the documentation of -ffast-math appropriately.  Wrap long lines.

	* gcc.dg/pr30172-1.c: Specify the -fno-signed-zeros command line
	option instead of -funsafe-math-optimizations.

From-SVN: r120978
2007-01-19 19:35:22 +00:00
Steve Ellcey 67e47f30d0 system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
* system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
	* varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.

From-SVN: r120976
2007-01-19 18:38:30 +00:00
Tomas Bily 6bad26173d Patch by Tomas Bily <tbily@suse.cz>
Patch by Tomas Bily  <tbily@suse.cz>
        * cgraphunit.c (cgraph_finalize_function): Updating of pid
        * tree-profile.c:
        (tree_init_ic_make_global_vars): New function
        (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
        (tree_gen_ic_profiler): New function
        (tree_gen_ic_func_profiler): New function
        (tree_profiling): Added calling of tree_gen_ic_func_profiler
        (tree_profile_hooks): Added hook for indirec/virtual calls
        * value-prof.c (tree_find_values_to_profile): New case for
        indirect calls
        (tree_values_to_profile): Call for determining indirect/virtual
        counters
        (tree_indirect_call_to_profile): New function
        (tree_ic_transform): New function
        (tree_ic): New function
        (find_func_by_pid): New function
        (init_pid_map): New function
        (tree_value_profile_transformations): Added check for
        indirect/virtual call transformation
        * value-prof.h (enum hist_type): New counter type for
        indirect/virtual calls
        (profile_hooks): Added new hook for profiling indirect/virtual
        calls
        * profile.c (instrument_values): New case for indirect/virtual
        call added
        * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
        (GCOV_COUNTER_V_INDIR): New counter type
        (GCOV_COUNTER_NAMES): New name of counter "indirect" added
        (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
        call added
        * cgraph.c: Definition of cgraph_max_pid
        (cgraph_create_node): Default init of pid attribute
        * cgraph.h: Declaration of cgraph_max_pid
        (struct cgraph_node): Added pid attribute
        * libgcov.c (__gcov_indirect_call_profiler): New function
	(__gcov_one_value_profiler_body): New function
	(__gcov_one_value_profiler): Body was moved to
	__gcov_one_value_profiler_body and calls it

	gcc.dg/tree-prof/indir-call-prof.c: New.
	g++.dg/dg.exp: Add tree-prof subdirectory.
	g++.dg/tree-prof/indir-call-prof.C: New.
	g++.dg/tree-prof/tree-prof.exp: New.

From-SVN: r120975
2007-01-19 18:34:02 +00:00
Basile Starynkevitch b7c75af4b5 gty.texi (Options): Document the mark_hook option to GTY.
2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>

	* doc/gty.texi (Options): Document the mark_hook option to
	GTY.
	* gcc/gengtype.c (write_types_data, write_func_for_structure,
	write_types, ggc_wtd, pch_wtd): Added skip_hooks to
	write_types_data, ggc_wtd, pch_wtd for mark_hook.
	(walk_type, write_func_for_structure): Generate the mark_hook if
	needed.

From-SVN: r120974
2007-01-19 18:05:08 +00:00
Jan Hubicka c3056c2d23 ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of 'early' argument take inlining mode argument specifying whether to...
* ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of 'early' argument
	take inlining mode argument specifying whether to inline for size/speeed or all
	functions; add support for flattening; improve dumpting.
	(cgraph_early_inlining): Update call of decide_inlining_incrementally.

From-SVN: r120970
2007-01-19 17:20:20 +00:00
Manuel López-Ibáñez e65fff3cde re PR c++/17947 (bad warning with implicit conversion and __attribute__((deprecated)))
2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c++/17947
	* toplev.c (warn_deprecated_use): Use %qD instead of %qs to
	print the name of the declared identifier.
		
testsuite/
	* g++.dg/warn/deprecated.C: Update warning output.
	* g++.dg/warn/deprecated-2.C: Likewise.
	* g++.dg/warn/deprecated-3.C: New.

From-SVN: r120969
2007-01-19 16:04:57 +00:00
Dirk Mueller b0fede98c0 i386.h (CONDITIONAL_REGISTER_USAGE): Store result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid...
2007-01-19  Dirk Mueller  <dmueller@suse.de>

       * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
       result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
       duplicate evaluation.

From-SVN: r120967
2007-01-19 14:11:05 +00:00
Uros Bizjak e2fc57a3e1 i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
* config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
	Macroize expander using X87MODEF12 mode macro.  Extend operand 1
	to XFMode, use acosxf2 and truncate result to requested mode.
	Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
	(asin<mode>2): Similarly, with asin expanders.
	(*fscalexf4_i387): Rename from *fscalexf4.
	(expNcorexf3): New expander.
	(expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
	(exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
	X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
	truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
	patterns for SSE math.
	(exp10<mode>2): Similarly, with exp10 expanders.
	(exp2<mode>2): Similarly, with exp2 expanders.
	(expm1<mode>2): Similarly, with expm1 expanders.
	(ldexp<mode>3): Similarly, with ldexp expanders.
	(log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
	Use gen_truncxf<mode>2_i387_noop to truncate result.

From-SVN: r120966
2007-01-19 15:03:17 +01:00
Richard Sandiford aaacff326f m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32 for ColdFire targets.
gcc/
	* config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
	for ColdFire targets.

From-SVN: r120965
2007-01-19 13:49:06 +00:00
Nathan Sidwell 835b4008a3 200x-xx-xx Nathan Sidwell <nathan@codesourcery.com> Richard Sandiford <richard@codesourcery.com>
gcc/
200x-xx-xx  Nathan Sidwell  <nathan@codesourcery.com>
	    Richard Sandiford  <richard@codesourcery.com>

	* config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
	(INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
	(__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
	* config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
	(M68K_STATIC_CHAIN_REG_NAME): Likewise.
	* config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.

gcc/testsuite/
200x-xx-xx  Nathan Sidwell  <nathan@codesourcery.com>

	* gcc.c-torture/execute/nestfunc-7.c: New.

Co-Authored-By: Richard Sandiford <richard@codesourcery.com>

From-SVN: r120964
2007-01-19 13:45:54 +00:00
Richard Sandiford b6d2f42e5e m68k.md (adddi_dilshr32): Rename to...
gcc/
	* config/m68k/m68k.md (adddi_dilshr32): Rename to...
	(*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
	non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
	(*adddi_dilshr32_cf): New pattern.
	(adddi3, subdi3): Remove first alternatives.

From-SVN: r120963
2007-01-19 13:42:00 +00:00
Richard Sandiford f6ab62e8ea m68k.c (notice_update_cc): If an SFmode move is implemented using move.l...
gcc/
	* config/m68k/m68k.c (notice_update_cc): If an SFmode move is
	implemented using move.l, do not use its cc result for floating-point
	comparisons.

From-SVN: r120962
2007-01-19 13:40:54 +00:00
Richard Sandiford fe0cc77654 m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint from accepting 's' constraints if flag_pic.
gcc/
	* config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
	from accepting 's' constraints if flag_pic.

From-SVN: r120961
2007-01-19 13:40:21 +00:00
Richard Sandiford 379cd895c1 gcc/
* config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
	(bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
	(bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
	condition from TARGET_68881 to TARGET_HARD_FLOAT.

From-SVN: r120960
2007-01-19 13:39:35 +00:00
Sandra Loosemore 7a6525d680 200x-xx-xx Sandra Loosemore <sandra@codesourcery.com>
gcc/
200x-xx-xx  Sandra Loosemore  <sandra@codesourcery.com>

	* longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
	ColdFire alternatives.
	* config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
	* config/m68k/m68k.md (clzsi2):  Define for ColdFire
	architectures that support ff1 instruction.

From-SVN: r120959
2007-01-19 13:34:59 +00:00
Richard Sandiford f233b84c17 200x-xx-xx Richard Sandiford <richard@codesourcery.com> Julian Brown <julian@codesourcery.com>
gcc/
200x-xx-xx  Richard Sandiford  <richard@codesourcery.com>
	    Julian Brown  <julian@codesourcery.com>

	* config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
	* config/m68k/m68k.md (*movsi_cfv4): Fold into...
	(*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
	Add commentary.

Co-Authored-By: Julian Brown <julian@codesourcery.com>

From-SVN: r120958
2007-01-19 13:30:35 +00:00
Richard Sandiford bda2a57174 m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT and return a bool.
gcc/
	* config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
	and return a bool.
	(output_move_const_into_data_reg, output_move_simode_const): Delete.
	* config/m68k/m68k.c (const_method, const_int_cost): Take a
	HOST_WIDE_INT instead of an rtx.
	(m68k_rtx_costs): Update call accordingly.
	(output_move_const_into_data_reg): Likewise.  Fix formatting.
	(valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
	Return a bool.
	(output_move_simode_const): Update calls after above changes.
	Rework to use automatic variables and predicates like MEM_P.
	* config/m68k/m68k.md (pushexthisi_const): Update call to
	valid_mov3q_const.

From-SVN: r120957
2007-01-19 13:28:57 +00:00
Dirk Mueller 23e739936e tree-ssa-alias.c (perform_var_substitution): Fix typo in dump_flags test.
2007-01-19  Dirk Mueller  <dmueller@suse.de>

       * tree-ssa-alias.c (perform_var_substitution): Fix typo
       in dump_flags test.

From-SVN: r120954
2007-01-19 11:51:25 +00:00
Richard Guenther b54c5497e5 builtins.c (expand_builtin_cexpi): Fall back to expanding via cexp in case sincos is not available.
2007-01-19  Richard Guenther  <rguenther@suse.de>

	* builtins.c (expand_builtin_cexpi): Fall back to expanding
	via cexp in case sincos is not available.

From-SVN: r120953
2007-01-19 11:13:24 +00:00
Richard Guenther 006339cde4 tm.texi (TARGET_HAS_SINCOS): Document new target macro.
2007-01-19  Richard Guenther  <rguenther@suse.de>

	* doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
	* defaults.h (TARGET_HAS_SINCOS): Default to off.
	* config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
	* config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
	* config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
	* config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
	* config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
	* config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.

From-SVN: r120952
2007-01-19 11:06:56 +00:00
Uros Bizjak 8ef4f42c93 i386.md (*fpatanxf3_i387, [...]): New insn patterns.
* config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
	New insn patterns.
	(atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
	(atan2xf3): Directly generate RTL pattern.
	(atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
	patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
	and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
	disable patterns for SSE math.
	(atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
	patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
	and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
	disable patterns for SSE math.

From-SVN: r120950
2007-01-19 09:59:39 +01:00
Alexandre Oliva fe30b1f37e * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
From-SVN: r120948
2007-01-19 06:27:18 +00:00
Roger Sayle f85242f0ce fold-const.c (fold_unary): Optimize away a VIEW_CONVERT_EXPR to the same type as it's operand.
* fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
	VIEW_CONVERT_EXPR to the same type as it's operand.

From-SVN: r120945
2007-01-19 00:30:47 +00:00
David Edelsohn 7fcc054b8f darwin-ldouble.c: Only build _SOFT_FLOAT if configured for long double 128.
* config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
        configured for long double 128.

From-SVN: r120938
2007-01-18 18:43:08 -05:00
Mike Stump d1123cdeb3 rs6000.c (rs6000_emit_vector_compare): Fix build error.
* config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
	error.

From-SVN: r120935
2007-01-18 22:15:36 +00:00
Michael Meissner 7874f14d88 Make #if 0 type correct
From-SVN: r120934
2007-01-18 22:12:49 +00:00
Jan Hubicka 4cdffd965f tree-ssa-operands.c (vop_free_bucket_size): Never return value greater than NUM_VOP_FREE_BUCKETS.
* tree-ssa-operands.c (vop_free_bucket_size): Never return value
	greater than NUM_VOP_FREE_BUCKETS.

From-SVN: r120933
2007-01-18 21:58:18 +00:00
Daniel Berlin 3e5937d7b3 tree-ssa-structalias.c: Update comments.
2007-01-18  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-structalias.c: Update comments.
	(ptabitmap_obstack): Removed.
	(pta_obstack): New.
	(oldpta_obstack): Ditto.
	(stats): Add a few members.
	(struct variable_info): Remove node, complex, address_taken, and
	indirect_target members. Add oldsolution member.
	(new_var_info): Do not initialize removed members.
	(constraint_expr_type): Remove INCLUDES.
	(constraint_graph): Add size, implicit_preds, rep,
	indirect_cycles, eq_rep, label, direct_nodes, and complex members.
	(FIRST_REF_NODE): New macro.
	(LAST_REF_NODE): Ditto.
	(FIRST_ADDR_NODE): Ditto.
	(find): New function.
	(unite): Ditto.
	(dump_constraint): Do not handle INCLUDES.
	(insert_into_complex): Do not insert duplicate constraints.
	(condense_varmap_nodes): Renamed and rewritten into ...
	(merge_node_constraints): This. Also fix bug in handling of
	offseted copy constraints.
	(clear_edges_for_node): No longer need to deal with preds at all,
	or removing associated preds/succs. 
	(merge_graph_nodes): Deal with indirect_cycles.
	Don't deal with predecessors.
	(add_implicit_graph_edge): New function.
	(add_pred_graph_edge): Ditto.
	(add_graph_edge): Don't deal with predecessors.
	(build_constraint_graph): Removed.
	(build_pred_graph): New function.
	(build_succ_graph): Ditto.
	(struct scc_info): Removed in_component. Added roots, dfs, and
	node_mapping. Remove visited_index, unification_queue.
	(scc_visit): Deal with union-find we do now.
	Deal with cycles with REF nodes.
	(collapse_nodes): Renamed and rewritten to ...
	(unify_nodes): This.
	(process_unification_queue): Removed.
	(topo_visit): Cleanup
	(do_da_constraint): Use find.
	(do_sd_constraint): Ditto.
	(do_ds_constraint): Ditto.
	(do_complex_constraint): Ditto.
	(init_scc_info): Update for removed and added members.
	(find_and_collapse_graph_cycles): Renamed and rewritten into ...
	(find_indirect_cycles): This.
	(equivalence_class): New variable.
	(label_visit): New function.
	(perform_variable_substitution): Rewritten.
	(free_var_substitution_info): New function.
	(find_equivalent_node): Ditto.
	(move_complex_constraints): Ditto.
	(eliminate_indirect_cycles): Ditto.
	(solve_graph): Only propagate changed bits.
	Use indirect cycle elimination.
	Use find.
	(tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
	(tree_id_eq): Renamed to ...
	(tree_vi_eq): This. Update for member change
	(insert_id_for_tree): Renamed and rewritten to ...
	(insert_vi_for_tree): This.
	(lookup_id_for_tree): Renamed and rewritten to ...
	(lookup_vi_for_tree): This.
	(get_id_for_tree): Renamed and rewritten to ...
	(get_vi_for_tree): Ditto.
	(get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
	(process_constraint): Don't handle INCLUDES.
	Remove special ADDRESSOF case.
	(find_func_aliases): Rewrite to use vi functions instead of id
	ones.
	(create_function_info_for): Ditto.
	(create_variable_info_for): Ditto.
	(intra_create_variable_infos): Ditto.
	(merge_smts_into): Ditto.
	(find_what_p_points_to): Ditto.
	(init_base_vars): Ditto.
	(init_alias_vars): Ditto.
	(remove_preds_and_fake_succs): New function.
	(dump_sa_points_to_info): Dump new stats.
	(dump_solution_for_var): Use find.
	(set_used_smts): Fix formatting.
	(compute_points_to_sets): Updated for new functions.
	(ipa_pta_execute): Ditto.

From-SVN: r120931
2007-01-18 21:30:38 +00:00
Kazu Hirata 576c9028f0 200x-xx-xx Kazu Hirata <kazu@codesourcery.com> Richard Sandiford <richard@codesourcery.com>
gcc/
200x-xx-xx  Kazu Hirata  <kazu@codesourcery.com>
	    Richard Sandiford  <richard@codesourcery.com>

	* doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
	parallels.
	* calls.c (expand_call): If the return value is a PARALLEL,
	extract its first member.
	* config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
	* config/m68k/m68k.c (m68k_output_function_epilogue): Don't
	use FUNCTION_EXTRA_EPILOGUE.
	(m68k_function_value): Return a PARALLEL if the return value
	is of a pointer type.
	* config/m68k/netbsd-elf.h (current_function_returns_pointer)
	(FUNCTION_EXTRA_EPILOGUE): Remove.
	* config/m68k/m68k.md (D0_REG): New constant.

Co-Authored-By: Richard Sandiford <richard@codesourcery.com>

From-SVN: r120929
2007-01-18 19:54:44 +00:00
Kazu Hirata dfd050746b 200x-xx-xx Kazu Hirata <kazu@codesourcery.com>
gcc/
200x-xx-xx  Kazu Hirata  <kazu@codesourcery.com>

	* config/m68k/m68k.c (m68k_output_function_epilogue): Don't
	output a NOP for empty epilogues.

From-SVN: r120928
2007-01-18 19:52:51 +00:00
Richard Sandiford 413ac1b28d m68k.c (m68k_use_return_insn): Update comments before function.
gcc/
	* config/m68k/m68k.c (m68k_use_return_insn): Update comments
	before function.  Extend register save check to include all
	registers, not just integer ones.

From-SVN: r120927
2007-01-18 19:51:47 +00:00
Kazu Hirata a2bda628bf 200x-xx-xx Kazu Hirata <kazu@codesourcery.com>
gcc/
200x-xx-xx  Kazu Hirata  <kazu@codesourcery.com>

	* config/m68k/m68k-protos.h (use_return_insn): Rename to...
	(m68k_use_return_insn): ...this.
	* config/m68k/m68k.h (USE_RETURN_INSN): Delete.
	* config/m68k/m68k.c (use_return_insn): Rename to...
	(m68k_use_return_insn): ...this.
	* config/m68k/m68k.md (return): Use m68k_use_return_insn instead
	of USE_RETURN_INSN.

From-SVN: r120926
2007-01-18 19:50:48 +00:00
Nathan Sidwell e444d54e44 200x-xx-xx Nathan Sidwell <nathan@codesourcery.com>
gcc/
200x-xx-xx  Nathan Sidwell  <nathan@codesourcery.com>

	* config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
	nearest even, fix denormal rounding overflow.

From-SVN: r120925
2007-01-18 19:49:59 +00:00
Richard Sandiford 17e143a173 m68k.md (movsf_cf_hard): Use fsmove instead of f%$smove and f%$move.
gcc/
	* config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
	f%$smove and f%$move.
	(movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
	(extendsfdf2_cf): Use fdmove instead of f%&move.
	(truncdfsf2_cf): Use fsmove instead of f%$smove.
	(add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.

From-SVN: r120924
2007-01-18 19:49:17 +00:00
Richard Sandiford bb017fc18e m68k.md (movdf_cf_hard): Use output_move_double for GPR<-GPR moves.
gcc/
	* config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
	GPR<-GPR moves.

From-SVN: r120923
2007-01-18 19:46:30 +00:00
Richard Sandiford 58145e4deb real.h (real_format): Add a canonical_nan_lsbs_set field.
gcc/
	* real.h (real_format): Add a canonical_nan_lsbs_set field.
	(coldfire_single_format): Declare.
	(coldfire_double_format): Likewise.
	* real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
	of qnan_msb_set to determine the lower bits of a canonical
	NaN significand.
	(encode_ieee_double): Likewise.
	(encode_ieee_quad): Likewise.
	(ieee_single_format): Initialize canonical_nan_lsbs_set.
	(mips_single_format): Likewise.
	(ieee_double_format): Likewise.
	(mips_double_format): Likewise.
	(ieee_extended_motorola_format): Likewise.
	(ieee_extended_intel_96_format): Likewise.
	(ieee_extended_intel_128_format): Likewise.
	(ieee_extended_intel_96_round_53_format): Likewise.
	(ibm_extended_format): Likewise.
	(mips_extended_format): Likewise.
	(ieee_quad_format): Likewise.
	(mips_quad_format): Likewise.
	(vax_f_format): Likewise.
	(vax_d_format): Likewise.
	(vax_g_format): Likewise.
	(i370_single_format): Likewise.
	(i370_double_format): Likewise.
	(decimal_single_format): Likewise.
	(decimal_double_format): Likewise.
	(decimal_quad_format): Likewise.
	(c4x_single_format): Likewise.
	(c4x_extended_format): Likewise.
	(real_internal_format): Likewise.
	(coldfire_single_format): New real_format.
	(coldfire_double_format): Likewise.
	* config/pdp11/pdp11.c (pdp11_f_format): Initialize
	canonical_nan_lsbs_set.
	(pdp11_d_format): Likewise.
	* config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
	if TARGET_COLDFIRE_CPU.

From-SVN: r120922
2007-01-18 19:45:13 +00:00
Richard Sandiford 29ca003a7a m68k-protos.h (m68k_output_pic_call): Delete.
gcc/
	* config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
	(output_call, m68k_legitimize_call_address): Declare.
	* config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
	parenthesees.  Add support for a 'W' constraint.
	(LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
	(PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
	(m68k_symbolic_call, m68k_symbolic_jump): Declare.
	* config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
	variables.
	(override_options): Initialize them.  Do not set flag_no_function_cse
	for TARGET_ID_SHARED_LIBRARY.
	(m68k_output_pic_call): Delete.
	(m68k_legitimize_call_address): New function.
	(print_operand): Remove the %o prefix.  Handle the %p prefix.
	(output_call): New function.
	(m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
	target address from the GOT if symbolic jumps are not allowed.
	* config/m68k/m68k.md (call, general_operand): Do not set
	SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
	Merge separate flag_pic and !flag_pic define_insns into...
	(*call, *call_value): ...these new patterns.  Match the address
	rather than the containing MEM and require it to be a call_operand.
	Use output_call to generate the asm template.
	* config/m68k/predicates.md (const_call_operand): New predicate.
	(call_operand): Likewise.

From-SVN: r120921
2007-01-18 19:40:12 +00:00
Nathan Sidwell 85dbf7e225 200x-xx-xx Nathan Sidwell <nathan@codesourcery.com>
gcc/
200x-xx-xx  Nathan Sidwell  <nathan@codesourcery.com>

	* config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
	(STACK_GROWS_DOWNWARD): Define to 1.
	(FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
	comments, emphasizing that these values are only defaults.
	* config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
	* config/m68k/m68k.c (const_method): Remove trailing whitespace.

From-SVN: r120920
2007-01-18 19:35:11 +00:00
Richard Sandiford 565e35c947 m68k.md (cmpsi): Remove outdated flag_pic handling.
gcc/
	* config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.

gcc/testsuite/
200x-xx-xx  Nathan Sidwell  <nathan@codesourcery.com>

	* gcc.dg/m68k-pic-1.c: New.

From-SVN: r120919
2007-01-18 19:33:01 +00:00
Kazu Hirata 36e04090c1 200x-xx-xx Kazu Hirata <kazu@codesourcery.com> Richard Sandiford <richard@codesourcery.com>
gcc/
200x-xx-xx  Kazu Hirata  <kazu@codesourcery.com>
	    Richard Sandiford  <richard@codesourcery.com>

	* config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
	(FP_REGNO_P): New macros.
	(REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
	(REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
	(EH_RETURN_STACKADJ_RTX): Use A0_REG.
	* config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.

Co-Authored-By: Richard Sandiford <richard@codesourcery.com>

From-SVN: r120918
2007-01-18 19:31:15 +00:00
Nathan Sidwell 47b41fa34a 200x-xx-xx Nathan Sidwell <nathan@codesourcery.com>
gcc/
200x-xx-xx  Nathan Sidwell  <nathan@codesourcery.com>

	* config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
	(m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
	to $tmake_file.
	* config/m68k/t-floatlib: New file, extracting common code from...
	* config/m68k/t-m68kbare, config/m68k/t-m68kelf,
	* config/m68k/t-uclinux: Here.
	* config/m68k/fpgnulib.c: Do not compile extendeed precision
	routines on ColdFire targets.

From-SVN: r120917
2007-01-18 19:29:48 +00:00
Nathan Sidwell a96533d5e5 200x-xx-xx Nathan Sidwell <nathan@codesourcery.com>
gcc/
200x-xx-xx  Nathan Sidwell  <nathan@codesourcery.com>

	* config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
	(m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
	(m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
	(m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
	explicitly set MOTOROLA to 1.
	* config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.

From-SVN: r120916
2007-01-18 19:26:21 +00:00
Richard Sandiford ba5f7c88dc 200x-xx-xx Richard Sandiford <richard@codesourcery.com> Nathan Sidwell <nathan@codesourcery.com>
gcc/
200x-xx-xx  Richard Sandiford  <richard@codesourcery.com>
	    Nathan Sidwell  <nathan@codesourcery.com>

	* config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
	(ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
	* config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
	* config/m68k/m68020-elf.h (LIB_SPEC): Delete.
	* config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
	* config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
	(ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
	(NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
	(BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
	* config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
	* config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
	(WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
	(TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
	(DBX_REGISTER_NUMBER): Delete.
	* config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
	(PCC_STATIC_STRUCT_RETURN): Don't undefine.
	* config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.

Co-Authored-By: Nathan Sidwell <nathan@codesourcery.com>

From-SVN: r120913
2007-01-18 19:12:34 +00:00
Richard Sandiford abe92a04b6 config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
gcc/
	* config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
	* config/flat.h: New file.
	* crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
	OBJECT_FORMAT_FLAT.
	* config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
	indirect references for -msep-data or -mid-shared-library.
	Do not use PC-relative code addresses either.
	* config/m68k/m68k.c (override_options): Restrict -fPIC error
	to -mpcrel.
	* config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
	for shared libraries and crt1.o for executables.  Use crti.o and
	crtbegin.o.
	(ENDFILE_SPEC): Use crtend.o and crtn.o.
	(LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
	Do not add -elf2flt or -shared-lib-id options here.
	(LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
	Pass -shared-lib-id if -mid-shared-library, taking the library
	identifier from -mshared-library-id if given, otherwise
	defaulting to 0.
	(EH_FRAME_IN_DATA_SECTION): Do not undefine.
	(INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
	(TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
	and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
	(DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
	* config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
	and crtend.o.
	* config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
	jump sequence for ISA A and ISA A+.
	(PICJUMP): Likewise.

From-SVN: r120912
2007-01-18 19:09:59 +00:00
Richard Sandiford 78218d8997 config.gcc (m68k-*-uclinux*): Base the port on the common and m68k GNU/Linux files rather than on the generic...
gcc/
	* config.gcc (m68k-*-uclinux*): Base the port on the common
	and m68k GNU/Linux files rather than on the generic ELF ones.
	* config/m68k/uclinux.h (TARGET_VERSION): Override.
	(TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.

From-SVN: r120911
2007-01-18 19:04:52 +00:00
Julian Brown 5189ab949e 200x-xx-xx Julian Brown <julian@codesourcery.com> Richard Sandiford <richard@codesourcery.com>
gcc/
200x-xx-xx  Julian Brown  <julian@codesourcery.com>
	    Richard Sandiford  <richard@codesourcery.com>

	* config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
	(LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
	* config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
	before redefining.
	* config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
	80 unconditionally.
	(LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.

Co-Authored-By: Richard Sandiford <richard@codesourcery.com>

From-SVN: r120910
2007-01-18 18:45:46 +00:00
Richard Sandiford 4529dbf15f /home/richard/patches/freescale/head-submission/uclinux-oldabi.clog
From-SVN: r120909
2007-01-18 18:33:28 +00:00
Kaz Kojima e2265be077 m32r-protos.h (m32r_expand_epilogue): Declare it.
* config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
* config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
  (m32r_compute_frame_size): Use unsigned for regno.
  (m32r_reload_lr): Use gen_frame_mem.
  (pop): New.
  (m32r_output_function_epilogue): Don't output the function epilogue textually here.
  (m32r_expand_epilogue): New.
  (direct_return): Return false if the function has the interrupt attribute.
  (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
* config/m32r/m32r.md (epilogue): New expander.
  (return_lr, return_rte): New insns.
  (return): Make it expander.
  (return_normal): New expander.

From-SVN: r120904
2007-01-18 17:04:21 +00:00
Josh Conner 370df7db15 re PR target/30485 (ICE in rs6000_emit_vector_compare when building with -fno-trapping-math)
2007-01-18  Josh Conner  <jconner@apple.com>

	PR target/30485
	* config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
	support for UNLE, UNLT, UNGE, and UNGT.

From-SVN: r120902
2007-01-18 16:44:03 +00:00
Jan Hubicka 1994bfea41 tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
* tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
	* tree-tailcall (add_virtual_phis): Likewise.
	(optimize_tail_call): Return TODOs.
	(execute_tail_calls): Return TODOs.
	* tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
	* tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
	changed.
	* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
	Cleanup cfg using TODO.
	* tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
	* passes.c (execute_function_todo): When cleanup did something, remove
	unused locals.
	* tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
	(make_edges): Don't cleanup_cfg.

From-SVN: r120900
2007-01-18 14:56:33 +00:00
Uros Bizjak d85c755027 reg-stack.c (subst_stack_regs_pat): Use generic code for instructions that operate on the top of stack.
* reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
	UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
	operate on the top of stack.
	[UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
	register handling of instructions that output to the second
	stack slot.
	[UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
	(move_for_stack_reg): Special-case check for dead destination
	stack slot for constant load of 1.0 inside UNSPEC_TAN.

	* config/i386/i386.md (UNSPEC_TAN): New constant.
	(UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
	(fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
	to correctly model move of constant 1.0 to top stack slot.
	(*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
	(unnamed peephole2 pattern): Remove corresponding peephole2
	pattern that optimizes tan insn and loading of constant 1.0.
	(tanxf2): Use fptanxf4_i387.
	(tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
	patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
	and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
	disable patterns for SSE math.
	(sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
	(fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.

testsuite/ChangeLog:

	* gcc.target/i386/387-8.c: Update comment about optimizing
	inherent load of 1.0 of fptan instruction.

From-SVN: r120899
2007-01-18 14:06:57 +01:00
Dirk Mueller 590b1f2d1f · Richard Guenther <rguenther@suse.de>
2007-01-18  Dirk Mueller  <dmueller@suse.de>
·           Richard Guenther <rguenther@suse.de>

·       PR diagnostic/8268
·       * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
·       * common.opt (Warray-bounds): Add new warning option.
·       * c-opts.c (c_common_handle_option): Define -Warray-bounds
·       if -Wall is given.
        * Makefile.in: make tree-vrp.o depend on toplev.h
·       * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
·       is enabled.
·       (check_array_refs, check_array_bounds, check_array_ref): New.

·       * gcc.dg/Warray-bounds.c: New testcase.
        * gcc.dg/Warray-bounds-2.c: New testcase.
        * g++.dg/warn/Warray-bounds.C: New testcase.
        * g++.dg/warn/Warray-bounds-2.C: New testcase.

From-SVN: r120898
2007-01-18 13:00:33 +00:00
Jan Hubicka 3253eafbda tree-ssa-ccp.c (ccp_finalize): Return if something changed.
* tree-ssa-ccp.c (ccp_finalize): Return if something changed.
	(execute_ssa_ccp): Return flags conditionally.
	* tree-ssa-propagate.c (substitue_and_fold): Return if something was
	changed.
	* tree-ssa-propagate.h (substitute_and_fold): Update prototype.

From-SVN: r120894
2007-01-18 09:11:57 +00:00
Steven Bosscher aeceeb06a1 cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
* cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
	the CLEANUP_CFGLAYOUT flag when in cfglayout mode.

	* Makefile.c (GTFILES): Add cfglayout.h.
	* gengtype.c (open_base_files): Likewise.
	* cfglayout.c (cfg_layout_function_footer,
	cfg_layout_function_header) Reindent to make gengtype happy.
	* cfglayout.h (cfg_layout_function_footer,
	cfg_layout_function_header): Add GTY(()) marker.

	* ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.

From-SVN: r120893
2007-01-18 08:17:06 +00:00
Ben Elliston 19b8c2d976 genautomata.c (write_automata): Include xstrerror output in the error message if...
* genautomata.c (write_automata): Include xstrerror output in the
	error message if writing the DFA description file fails.

From-SVN: r120891
2007-01-18 14:12:27 +11:00
H.J. Lu f8fdb5036d mips-protos.h (mips_output_external): Make it return void.
gcc/
2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>

	* config/mips/mips-protos.h (mips_output_external): Make it
	return void.
	* config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
	* config/mips/mips.c (irix_output_external_libcall): Likewise.
	(extern_list): Likewise.
	(extern_head): Likewise.
	(TARGET_ASM_FILE_END): Likewise.
	(mips_file_end): Likewise.
	(mips_output_external): Rewritten.

From-SVN: r120880
2007-01-17 22:27:26 +00:00
Ben Elliston 495fb8cdd8 genpreds.c (write_insn_preds_c): Only write out the function body for regclass_for_constraint if...
* genpreds.c (write_insn_preds_c): Only write out the function
	body for regclass_for_constraint if we have register constraints.

From-SVN: r120879
2007-01-18 09:15:19 +11:00
Tom Tromey 4eb3e79538 sourcebuild.texi (libgcj Tests): Use sourceware.org.
* doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
	* doc/install.texi (Testing): Use sourceware.org.
	(Binaries): Likewise.
	(Specific): Likewise.
	* doc/contrib.texi (Contributors): Use sourceware.org.

From-SVN: r120873
2007-01-17 20:10:57 +00:00
Ian Lance Taylor e7fd0be47b Remove DOS line endings.
From-SVN: r120868
2007-01-17 19:33:24 +00:00
Anatoly Sokolov dd6d1f8c3f avr.h (AVR_HAVE_LPMX): New macro.
* config/avr/avr.h (AVR_HAVE_LPMX): New macro.
	(AVR_ENHANCED): Rename to ...
	(AVR_HAVE_MUL): ... new.
	(avr_enhanced_p): Rename to ...
	(avr_have_mul_p): ... new.
	(TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of 
	'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
	* config/avr/avr.c (avr_enhanced_p): Rename to ...
	(avr_have_mul_p): ... new.
	(base_arch_s): Rename 'enhanced' to 'have_mul'.
	(avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
	'avr_enhanced_p' and 'enhanced'.
	(ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use 
	AVR_HAVE_MUL instead of AVR_ENHANCED.
	* avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
	(mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3, 
	*mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL 
	instead of AVR_ENHANCED.
	(*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
	* libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
	(__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.

From-SVN: r120865
2007-01-17 21:42:58 +03:00
Ian Lance Taylor efb7e1e026 vec.h (VEC_reserve_exact): Define.
./:	* vec.h (VEC_reserve_exact): Define.
	(vec_gc_p_reserve_exact): Declare.
	(vec_gc_o_reserve_exact): Declare.
	(vec_heap_p_reserve_exact): Declare.
	(vec_heap_o_reserve_exact): Declare.
	(VEC_OP (T,A,reserve_exact)): New static inline function, three
	versions.
	(VEC_OP (T,A,reserve)) [all versions]: Remove handling of
	negative parameter.
	(VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
	(VEC_OP (T,A,copy)) [all versions]: Likewise.
	(VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
	* vec.c (calculate_allocation): Add exact parameter.  Change all
	callers.
	(vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
	(vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
	(vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
	(vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
	(vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
	(vec_heap_p_reserve_exact): New function.
	(vec_heap_o_reserve_exact): New function.
cp/:
	* class.c (add_method): Call VEC_reserve_exact rather than passing
	a negative size to VEC_reserve.

From-SVN: r120861
2007-01-17 17:42:10 +00:00
Jan Hubicka dd82a6c6f6 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
From-SVN: r120849
2007-01-17 11:16:24 +00:00
Eric Christopher 30fd45a0b2 config.gcc: Support core2 processor.
2007-01-17  Eric Christopher  <echristo@apple.com>

        * config.gcc: Support core2 processor.

From-SVN: r120846
2007-01-17 09:21:11 +00:00
Jan Hubicka 109c8d3934 tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing the names...
* tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
	the names, just unlink the chain so we don't crash on dangling pointers
	to dead SSA names.

From-SVN: r120837
2007-01-16 23:42:06 +00:00
Jan Hubicka 873aa8f548 cgraph.h (cgraph_decide_inlining_incrementally): Kill.
* cgraph.h (cgraph_decide_inlining_incrementally): Kill.
	* tree-pass.h: Reorder to make IPA passes appear toegher.
	(pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
	* cgraphunit.c (cgraph_finalize_function): Do not compute inling
	parameters, do not call early inliner.
	* ipa-inline.c: Update comments.  Include tree-flow.h
	(cgraph_decide_inlining): Do not compute inlining parameters.
	(cgraph_decide_inlining_incrementally): Return TODOs; assume to
	be called with function context set up.
	(pass_ipa_inline): Remove unreachable functions before pass.
	(cgraph_early_inlining): Simplify assuming to be called from the
	PM as local pass.
	(pass_early_inline): New pass.
	(cgraph_gate_ipa_early_inlining): New gate.
	(pass_ipa_early_inline): Turn into simple wrapper.
	(compute_inline_parameters): New function.
	(gate_inline_passes): New gate.
	(pass_inline_parameters): New pass.
	(apply_inline): Move here from tree-optimize.c
	(pass_apply_inline): New pass.
	* ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
	transforming.
	* tree-inline.c (optimize_inline_calls): Return TODOs rather than
	doing them by hand.
	(tree_function_versioning): Do not allocate dummy struct function.
	* tree-inline.h (optimize_inline_calls): Update prototype.
	* tree-optimize.c (execute_fixup_cfg): Export.
	(pass_fixup_cfg): Remove
	(tree_rest_of_compilation): Do not apply inlines.
	* tree-flow.h (execute_fixup_cfg): Declare.
	* Makefile.in (gt-passes.c): New.
	* passes.c: Include gt-passes.h
	(init_optimization_passes): New passes.
	(nnodes, order): New static vars.
	(do_per_function_toporder): New function.
	(execute_one_pass): Dump current pass here.
	(execute_ipa_pass_list): Don't dump current pass here.

From-SVN: r120835
2007-01-16 21:30:54 +00:00
Janis Johnson 70b81845bf dfp-bit.c (dfp_compare_op): Return separate value for NaN.
gcc/
	* config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
	(DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
gcc/testsuite/
	* gcc.dg/dfp/compare-special.h: New file.
	* gcc.dg/dfp/compare-special-32.c: New test.
	* gcc.dg/dfp/compare-special-64.c: New test.
	* gcc.dg/dfp/compare-special-128.c: New test.

From-SVN: r120830
2007-01-16 18:53:16 +00:00
David Edelsohn d0768f1953 darwin-ldouble.c: Build file for SOFT_FLOAT.
* config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
	(strong_alias): Define.
	(__gcc_qmul): Provide non-FMA for soft-float.
	(__gcc_qdiv): Same.
	(__gcc_qneg): New.
	(__gcc_qeq): New.
	(__gcc_qle): New.
	(__gcc_qge): New.
	(__gcc_qunord): New.
	(__gcc_stoq): New.
	(__gcc_dtoq): New.
	(__gcc_qtos): New.
	(__gcc_qtod): New.
	(__gcc_qtoi): New.
	(__gcc_qtou): New.
	(__gcc_itoq): New.
	(__gcc_utoq): New.
	(fmsub): New.
	* config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
	soft-float functions.
	* config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
	* config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
	about long double soft float.

From-SVN: r120828
2007-01-16 11:03:26 -05:00
Dorit Nuzman 878aa81717 tree-vectorizer.h (is_pattern_stmt_p): New.
* tree-vectorizer.h (is_pattern_stmt_p): New.
        * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
        formatting (tabs instead of spaces). Cleanup and clarify setting
        of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
        * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
        (vectorizable_type_demotion): Check that types are integral.
        (vectorizable_type_promotion): Likewise.
        (vectorizable_store): Fix typo.  Eliminate new-line at end of
        comments.


Co-Authored-By: Tehila Meyzels <tehila@il.ibm.com>

From-SVN: r120825
2007-01-16 08:26:03 +00:00
Jan Hubicka 03b1d1341c tree-ssanames.c (release_dead_ssa_names): Remove invalidated cgraph edges too.
* tree-ssanames.c (release_dead_ssa_names): Remove invalidated
	cgraph edges too.

From-SVN: r120823
2007-01-16 06:48:23 +00:00
Eric Christopher 632ac2b491 ifcvt.c: Include vec.h, vecprim.h.
2007-01-15  Eric Christopher  <echristo@apple.com>

        * ifcvt.c: Include vec.h, vecprim.h.
        (check_cond_move_block): New argument regs.
        Reorganize. Add registers used to regs.
        (cond_move_process_if_block): Use regs set above as
        loop bounds.

From-SVN: r120822
2007-01-16 05:34:02 +00:00
Eric Christopher 7a292b24d6 darwin.h: Update copyright.
2007-01-15  Eric Christopher  <echristo@apple.com>

	    * config/darwin.h: Update copyright.
	    (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
	    (LINK_COMMAND_SPEC): Add -u.
	    (LINK_SPEC): Fix umbrella for above.

From-SVN: r120815
2007-01-16 02:05:47 +00:00
Joseph Myers af7a7593fa op-common.h, op-4.h: Update from glibc CVS.
* config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
	glibc CVS.

From-SVN: r120806
2007-01-15 23:56:32 +00:00
Tom Tromey 694032374b sourcebuild.texi (libgcj Tests): Don't mention jacks.
gcc
	* doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
	* doc/install.texi (Testing): Don't mention jacks.
	(Configuration): Document --enable-java-maintainer-mode.  Move
	--with-java-home to libgcj-specific section.  Document
	--with-ecj-jar.
	(Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
contrib
	* download_ecj: New file.

From-SVN: r120802
2007-01-15 21:49:31 +00:00
Jan Hubicka 7665f023e8 tree-ssa-dce.c (DCE_TODOs): New.
* tree-ssa-dce.c (DCE_TODOs): New.
	(propagate_necessity): Return if something changed.
	(eliminate_unnecessary_stmts): Likewise.
	(perform_tree_ssa_dce): Return TODO flags when needed.
	(pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.

From-SVN: r120797
2007-01-15 15:44:51 +00:00
Uros Bizjak 0ac45694f3 i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
* config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
	(fyl2x_extend<mode>xf3_i387): New insn pattern.
	(log<mode>2): Rename from logsf2 and logdf2 and macroize insn
	insn patterns using X87MODEF12 mode macro.  Extend operand 1
	to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
	(log10<mode>2): Ditto.
	(log2<mode>2): Ditto.
	(log1p<mode>2): Ditto.
	(logb<mode>2): Ditto.
	(fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
	(fyl2xp1_extend<mode>xf3_i387): New insn pattern.
	(*fxtractxf3_i387): Rename from *fxtractxf3.
	(fxtract_extend<mode>xf3_i387): New insn pattern.
	(ilogbsi2): Use match_dup 3, not match_operand:XF 3.

	* config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
	and gen_fyl2xxf3_i387().

From-SVN: r120792
2007-01-15 13:35:30 +01:00
Zdenek Dvorak b4c1c7e3bd loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
* loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
	* cfgloopmanip.c (fix_loop_placement): Made static.  Use
	get_loop_exit_edges.  Changed return type to bool.
	* cfgloop.h (fix_loop_placement): Declaration removed.

From-SVN: r120782
2007-01-14 20:07:42 +00:00
Dorit Nuzman acdc40dfd2 param.h (MIN_VECT_LOOP_BOUND): New.
* param.h (MIN_VECT_LOOP_BOUND): New.
        * params.def (MIN_VECT_LOOP_BOUND): New.
        * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
        argument - minimum threshold for number of iterations.
        * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
        argument to declaration.
        * tree-vect-analyze.c (vect_analyze_operations): Check value of
        MIN_VECT_LOOP_BOUND.
        * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
        slpeel_tree_peel_loop_to_edge with additional argument.
        (vect_do_peeling_for_alignment): Likewise.
        * doc/invoke.texi (min-vect-loop-bound): Document new param option.

From-SVN: r120770
2007-01-14 12:42:40 +00:00
Uros Bizjak 37fc8424ac re PR target/30413 (%z produces ICE for char operands)
PR target/30413
        * config/i386/i386.c (print_operand) ['z']: Output 'b' for
        operands of size 1.

testsuite/ChangeLog:

        PR target/30413
        * gcc.target/i386/pr30413.c: New test.

From-SVN: r120769
2007-01-14 12:14:20 +01:00
Jan Hubicka 326648f1bd tree-dfa.c (remove_referenced_var): New function.
* tree-dfa.c (remove_referenced_var): New function.
	* tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
	prune referenced vars list too.
	* tree-flow.h (remove_referenced_var): Declare.

From-SVN: r120767
2007-01-14 10:50:43 +00:00
Jan Hubicka 4437b50d21 tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs separately.
* tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
	separately.
	(remove_stmt_from_eh_region_fn): Do not remove call_exprs.
	(verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
	* except.h (verify_eh_throw_table_statements): Kill prototype.
	* cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
	into call exrepssions.
	* tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
	eh trhow verifier.
	* tree-cfg.c: Include pointer-set.h.
	(verify_node_sharing): Work on pointer set.
	(verify_eh_throw_stmt_node): New.
	(verify_stmts): Use pointers sets, verify throw_stmt.

From-SVN: r120766
2007-01-14 10:47:48 +00:00
Zdenek Dvorak 2a134b7364 ipa-reference.c (analyze_function): Consider also addresses taken in phi nodes.
* ipa-reference.c (analyze_function): Consider also addresses taken
	in phi nodes.

	* gcc.dg/20070112-1.c: New test.

From-SVN: r120757
2007-01-13 19:12:39 +00:00
Roger Sayle 8bcd6380d1 c-typeck.c (null_pointer_constant_p): Replace use of TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
* c-typeck.c (null_pointer_constant_p): Replace use of
	TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
	(build_c_cast): Likewise.

From-SVN: r120747
2007-01-13 05:39:57 +00:00
Roger Sayle d95787e646 tree.h (force_fit_type_double): Remove unused final argument.
* tree.h (force_fit_type_double): Remove unused final argument.
	* c-common.c (constant_expression_warning): Replace use of
	TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
	(convert_and_check): Likewise.
	(shorten_compare): Update call to force_fit_type_double.
	(c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
	* convert.c (convert_to_pointer): Update call to
	force_fit_type_double.
	* fold-const.c (force_fit_type_double): Remove overflowed_const
	argument.
	(int_const_binop, fold_convert_const_int_from_int,
	fold_convert_const_int_from_real, fold_div_compare,
	fold_sign_changed_comparison, fold_unary, fold_negate_const,
	fold_abs_const, fold_not_const): Remove the final argument from
	calls to force_fit_type_double.

From-SVN: r120746
2007-01-13 05:39:00 +00:00
Andrew Pinski 714f737ffa configure.ac: Set insn to "nop" for spu-*-* also.
2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * configure.ac: Set insn to "nop" for spu-*-* also.
        * configure: Regenerate.

From-SVN: r120736
2007-01-12 15:03:48 -08:00
Olga Golovanevsky db9d500a22 Add BUILT_IN_FREE
From-SVN: r120732
2007-01-12 21:01:46 +00:00
Jan Hubicka 3d283195f7 re PR middle-end/30443 (4.3 internal compiler error: verify_cgraph_node failed)
PR tree-optimization/30443
	* tree-inline.c (tree_function_versioning): Do not optimize when
	cloning for inlining.

From-SVN: r120730
2007-01-12 18:07:57 +00:00
Zdenek Dvorak 6270df4c21 loop.texi: Document recording of loop exits.
* doc/loop.texi: Document recording of loop exits.
	* cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
	(update_single_exits_after_duplication,
	update_single_exit_for_duplicated_loop,
	update_single_exit_for_duplicated_loops): Removed.
	(duplicate_loop_to_header_edge): Do not call
	update_single_exits_after_duplication and
	update_single_exit_for_duplicated_loops.
	(loop_version): Do not update single_exit information.
	(fix_loop_structure): Use record_loop_exits instead of
	mark_single_exit_loops.
	* tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
	the lists of loop exits.
	* cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
	split_edge, merge_blocks): Update the lists of loop exits.
	* modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
	loop_optimizer_init.
	* loop-init.c (loop_optimizer_init): Call record_loop_exits instead
	of mark_single_exit_loops.
	(loop_optimizer_finalize): Call release_recorded_exits.
	* tree-ssa-loop.c (tree_loop_optimizer_init): Pass
	LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
	* tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
	update single exit information.
	* lambda-code.c (perfect_nestify): Ditto.
	* cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
	(mark_single_exit_loops): Removed.
	(alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
	get_exit_descriptions, rescan_loop_exit, record_loop_exits,
	dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
	functions.
	(get_loop_exit_edges, single_exit): Use recorded exit lists.
	(add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
	(verify_loop_structure): Verify consistency of the exit lists.
	(flow_loops_find): Use alloc_loop.  Initialize exits hash.
	(set_single_exit): Removed.
	* cfgloop.h (struct loop_exit): New function.
	(struct loop): single_exit_ field replaced by exits field.
	(LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
	(struct loops): Added exits hash.
	(mark_single_exit_loops, set_single_exit): Declaration removed.
	(release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.

From-SVN: r120728
2007-01-12 17:57:40 +00:00
Richard Sandiford 1cbe999f08 invoke.texi: Avoid use of @headitem.
gcc/
	* doc/invoke.texi: Avoid use of @headitem.

From-SVN: r120726
2007-01-12 15:27:42 +00:00
Richard Sandiford 192232e253 cse.c (cse_insn): Move HAVE_CC0 code after declarations.
gcc/
	* cse.c (cse_insn): Move HAVE_CC0 code after declarations.

From-SVN: r120719
2007-01-12 10:04:55 +00:00
Richard Sandiford 183dc04b83 install.texi: Fix m68k-*-* anchor and add m68k-*-* to the list of targets.
gcc/
	* doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
	list of targets.

From-SVN: r120718
2007-01-12 09:56:36 +00:00
Nathan Sidwell 648265890d 200x-xx-xx Nathan Sidwell <nathan@codesourcery.com> Richard Sandiford <richard@codesourcery.com>
gcc/
200x-xx-xx  Nathan Sidwell  <nathan@codesourcery.com>
	    Richard Sandiford  <richard@codesourcery.com>

	* doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
	* config/m68k/m68k.opt: Resort options.
	(mbitfield, mrtd, mshort): Remove RejectNegative properties.

Co-Authored-By: Richard Sandiford <richard@codesourcery.com>

From-SVN: r120717
2007-01-12 09:37:15 +00:00
Nathan Sidwell 7eb4f04449 200x-xx-xx Nathan Sidwell <nathan@codesourcery.com> Richard Sandiford <richard@codesourcery.com>
gcc/
200x-xx-xx  Nathan Sidwell  <nathan@codesourcery.com>
	    Richard Sandiford  <richard@codesourcery.com>

	* doc/invoke.texi: Document the macros that are defined by
	m68k's -mtune and -mhard-float options.
	* config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
	(m68k_cpp_cpu_family): Likewise.
	* config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
	of __ucfv*__ macros.  Define __mcffpu__ if generating code for
	ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
	* config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
	(m68k_cpp_cpu_family): Likewise.

Co-Authored-By: Richard Sandiford <richard@codesourcery.com>

From-SVN: r120716
2007-01-12 09:36:17 +00:00
Richard Sandiford 9321405c4a m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68* macros besides mc68000 as tuning macros.
gcc/
	* config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
	macros besides mc68000 as tuning macros.  Use a switch statement
	to set them and mcpu32.

From-SVN: r120715
2007-01-12 09:35:13 +00:00
Julian Brown b101567e04 200x-xx-xx Julian Brown <julian@codesourcery.com>
gcc/
200x-xx-xx  Julian Brown  <julian@codesourcery.com>

	* config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
	(TARGET_68040_ONLY): Rename to...
	(TARGET_68040): ...this.
	* config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
	* config/m68k/m68k.md: Likewise.

From-SVN: r120714
2007-01-12 09:34:17 +00:00
Julian Brown 900ec02dfd 200x-xx-xx Julian Brown <julian@codesourcery.com> Nathan Sidwell...
gcc/
200x-xx-xx  Julian Brown  <julian@codesourcery.com>
	    Nathan Sidwell  <nathan@codesourcery.com>
	    Richard Sandiford  <richard@codesourcery.com>

	* config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
	the -mcpu= argument associated with the --with-cpu setting.
	Define M68K_DEFAULT_TUNE to the default -mtune= option,
	if different from the one implied by the -mcpu setting.
	Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
	using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
	* doc/invoke.texi: Mention ColdFire in the introduction to the
	m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
	-mno-div and -mhard-float options.  Make -m68881 a synonym for
	-mhard-float.  Document the previously-undocumented -m5206e,
	-m528x, -m5307 and -m5407 options.  Tweak the existing option
	documentation for consistency.
	* doc/install.texi: Mention new --with-cpu arguments.
	* config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
	default CPU if neither -mcpu nor -march are specified.
	(ASM_CPU_SPEC): Pass down -mcpu and -march options.
	(TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
	TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
	using m68k_tune to decide between families that implement the
	same ISA.  Use m68k_tune to set __mcfv4e__.
	(FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
	(FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
	(FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
	(FL_ISA_C, FL_ISA_MMU): New macros.
	(MASK_COLDFIRE): Delete.
	(TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
	(TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
	(TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
	(TARGET_HARD_FLOAT): Do not define here.
	(TARGET_ISAAPLUS, TARGET_ISAC): New macros.
	(TUNE_68000): New macro.
	(TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
	(TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
	(TUNE_CFV2): Redefine in terms of m68k_tune.
	(uarch_type, target_device, fpu_type): New enums.
	(m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
	* config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
	(FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
	(FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
	(FL_FOR_isa_c): New macros.
	(m68k_isa): New enum.
	(m68k_target_selection): New structure.
	(all_devices, all_isas, all_microarchs): New tables.
	(m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
	(m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
	(MASK_ALL_CPU_BITS): Delete.
	(m68k_find_selection): New function.
	(m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
	Map the legacy target options to a combination of the new ones.
	(override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
	m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
	to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
	settings.
	* config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
	(m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
	properties.
	(m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
	(march=, mcpu=, mdiv, mhard-float, mtune=): New options.
	* config/m68k/m68k-devices.def: New file.

Co-Authored-By: Nathan Sidwell <nathan@codesourcery.com>
Co-Authored-By: Richard Sandiford <richard@codesourcery.com>

From-SVN: r120713
2007-01-12 09:32:59 +00:00
Richard Sandiford 0c004537ff 200x-xx-xx Richard Sandiford <richard@codesourcery.com> Nathan Sidwell <nathan@codesourcery.com>
gcc/
200x-xx-xx  Richard Sandiford  <richard@codesourcery.com>
	    Nathan Sidwell  <nathan@codesourcery.com>

	* config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
	(SUBTARGET_EXTRA_SPECS): New macros.
	* config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
	use %(asm_cpu_spec) instead.
	* config/m68k/m68k-none.h (ASM_SPEC): Likewise.
	* config/m68k/openbsd.h (ASM_SPEC): Likewise.
	* config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
	(EXTRA_SPECS): Rename to...
	(SUBTARGET_EXTRA_SPECS): ...this.

Co-Authored-By: Nathan Sidwell <nathan@codesourcery.com>

From-SVN: r120712
2007-01-12 09:29:14 +00:00
Nathan Sidwell 59fbf3cbc7 200x-xx-xx Nathan Sidwell <nathan@codesourcery.com> Richard Sandiford...
gcc/
200x-xx-xx  Nathan Sidwell  <nathan@codesourcery.com>
	    Richard Sandiford  <richard@codesourcery.com>
	    Julian Brown  <julian@codesourcery.com>

	* config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
	(m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
	to the configuration's default CPU.
	(m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
	Remove default masks.
	(m680[012]0-*-*): Set the default with_cpu to the first part of
	the target name.
	(m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
	(m68k*-*-linux): Extend the --with-cpu handling to...
	(m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
	and m68010.  Don't set target_cpu_default2.
	* doc/install.texi: Document --with-cpu for m68k.
	* config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
	* config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
	(M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
	(M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
	(ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
	(ASM_SPEC): Remove use of %(asm_cpu_default).
	(EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
	* config/m68k/linux.h (TARGET_DEFAULT): Delete.
	(CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
	* config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
	__HAVE_FPU__ if TARGET_HARD_FLOAT.
	(TARGET_DEFAULT): Delete.
	(EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
	cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
	(CPP_CPU_SPEC): Delete.
	(TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
	the appropriate string.
	(CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
	(CPP_SPEC): Define to NETBSD_CPP_SPEC.
	(ASM_SPEC): Don't use %(asm_default_spec).
	* config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
	TARGET_DEFAULT and add MASK_68881.
	* config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.

Co-Authored-By: Julian Brown <julian@codesourcery.com>
Co-Authored-By: Richard Sandiford <richard@codesourcery.com>

From-SVN: r120711
2007-01-12 09:28:34 +00:00
Richard Sandiford 3197c4892e config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
gcc/
	* config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
	(m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
	MASK_68010 alongside MASK_68020.
	* doc/invoke.texi: Document -m68010.
	* config/m68k/m68k.opt (m68010): New.
	* config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
	if TUNE_68010.
	(TUNE_68010): New macro.
	* config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
	(M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
	(M68K_CPU_m68332): Add MASK_68010.
	* config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
	fallback definition.
	* config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
	defines.
	* config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
	(m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
	to all entries that use MASK_68020.
	(output_move_simode_const, output_move_himode, output_move_qimode)
	(output_move_stricthi, output_move_strictqi): Use TARGET_68010
	instead of TARGET_68020 to select clr behavior.  Remove comment
	about there being no TARGET_68010.
	* config/m68k/m68k.md: Likewise throughout.

From-SVN: r120710
2007-01-12 09:25:27 +00:00
Julian Brown 986e74d58e 200x-xx-xx Julian Brown <julian@codesourcery.com>
gcc/
200x-xx-xx  Julian Brown  <julian@codesourcery.com>

	* config/m68k/m68k.h (TARGET_ISAB): New macro.
	* config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
	* config/m68k/m68k.md: Likewise.

From-SVN: r120709
2007-01-12 09:23:35 +00:00
Julian Brown bb5bdf700e 200x-xx-xx Julian Brown <julian@codesourcery.com>
gcc/
200x-xx-xx  Julian Brown  <julian@codesourcery.com>

	* config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
	TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.

From-SVN: r120708
2007-01-12 09:22:22 +00:00
Julian Brown 9cf106c865 200x-xx-xx Julian Brown <julian@codesourcery.com>
gcc/
200x-xx-xx  Julian Brown  <julian@codesourcery.com>

	* config/m68k/m68k.h (TUNE_68040_60): New macro.
	* config/m68k/m68k.c (standard_68881_constant_p): Use it.
	* config/m68k/m68k.md: Likewise.

From-SVN: r120707
2007-01-12 09:20:49 +00:00
Julian Brown fe95f2f799 200x-xx-xx Julian Brown <julian@codesourcery.com> Richard Sandiford <richard@codesourcery.com>
gcc/
200x-xx-xx  Julian Brown  <julian@codesourcery.com>
	    Richard Sandiford  <richard@codesourcery.com>

	* config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
	instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
	TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
	TARGET_CPU32.
	(TARGET_CPU32): Rename to...
	(TUNE_CPU32): ...this.
	(TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
	(TUNE_CFV2): New macros.
	* config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
	remove conditions that are implied by TARGET_68020.
	* config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
	instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
	(m68k_output_function_epilogue): Likewise.
	(m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
	and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
	"!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
	non-68000 timings.  Refactor multiplication and division costs.
	(output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
	TUNE_CPU32 instead of TARGET_CPU32.
	(standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
	and TUNE_68060 instead of TARGET_68060.
	* config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
	TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
	TARGET_CPU32.
	(movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
	&& !TARGET_COLDFIRE" to choose between moveq and clr.
	Likewise in the unnamed movsf pattern.
	(ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
	"!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
	ashiftrt pattern.

Co-Authored-By: Richard Sandiford <richard@codesourcery.com>

From-SVN: r120706
2007-01-12 09:19:52 +00:00
Richard Sandiford 9c6de4a1df m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount of tabbing before backslashes.
gcc/
	* config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
	of tabbing before backslashes.

From-SVN: r120705
2007-01-12 09:17:50 +00:00
John David Anglin 179cd3d3f8 pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
* pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
	* pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
	(ASM_OUTPUT_INTERNAL_LABEL): Define.

From-SVN: r120700
2007-01-12 02:17:35 +00:00
Zdenek Dvorak b697aed40f tree-ssa-loop-ivopts.c (extract_cond_operands): Split from find_interesting_uses_cond.
* tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
	find_interesting_uses_cond.
	(find_interesting_uses_cond): Use extract_cond_operands.
	(rewrite_use_compare): Use extract_cond_operands and
	force_gimple_operand_bsi.  Do not call update_stmt.
	(determine_use_iv_cost_condition): Use extract_cond_operands.
	Return cheaper of using original bound and changing the exit bound.

	* gcc.dg/tree-ssa/loop-22.c: New test.

From-SVN: r120697
2007-01-12 00:30:38 +00:00
Zdenek Dvorak 662c02b33c Move the changelog for gcc.dg/tree-ssa/loop-20.c to the correct place.
From-SVN: r120696
2007-01-12 00:21:24 +00:00
Zdenek Dvorak 820410e0d5 re PR tree-optimization/29516 (gfortran miscompiled)
PR tree-optimization/29516
	* tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
	most_expensive_mult_to_index, addr_to_parts,
	create_mem_ref, maybe_fold_tmr): Make the type of
	fields of TARGET_MEM_REF sizetype.
	(move_fixed_address_to_symbol, move_pointer_to_base):
	New functions.
	* tree.def (TARGET_MEM_REF): Add comment on types of
	the operands.
	* gcc.dg/tree-ssa/loop-20.c: New test.

From-SVN: r120695
2007-01-12 00:17:50 +00:00
Joseph Myers 14e765da4a c-common.c (vector_types_convertible_p): Treat opaque types as always convertible if they have the same size...
* c-common.c (vector_types_convertible_p): Treat opaque types as
	always convertible if they have the same size, but not otherwise.

From-SVN: r120688
2007-01-11 23:14:51 +00:00
Steven Bosscher 2a33a75f60 ifcvt.c (struct noce_if_info): Add comments to the fields.
* ifcvt.c (struct noce_if_info): Add comments to the fields.
	Remove the b_unconditional field.
	(noce_try_sign_mask): Do not look at b_unconditional.
	(noce_process_if_block): Do not use merge_if_blocks.  Update
	the CFG here.  Do not set b_unconditional.
	(cond_move_process_if_block): Likewise.
	(find_cond_trap): Likewise.
	(check_cond_move_block): Require simple jump insns at the end
	of the basic block.

From-SVN: r120686
2007-01-11 21:26:02 +00:00
Jan Hubicka 7faade0f77 re PR tree-optimization/1046 (gcc less efficient than jdk for recursion with -finline-functions)
PR tree-optimization/1046
	* tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
	when alias info is not ready.
	(pass_tail_recursion): Do not require aliasing.
	* tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
	* tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
	* tree-ssa-copy.c (pass_copy_prop): Likewise.
	* tree-ssa-forwprop.c (pass_forwprop): Likewise.
	* tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
	* passes.c (init_optimization_passes): Execute rename_ssa_copies,
	ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
	before inlining.
	* tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
	When aliasing is not build, mark statement as volatile.

	* gcc.dg/tree-ssa/tailrecursion-4.c: Update dump file.
	* gcc.dg/tree-ssa/tailrecursion-1.c: Update dump file.
	* gcc.dg/tree-ssa/tailrecursion-2.c: Update dump file.
	* gcc.dg/tree-ssa/tailrecursion-3.c: Update dump file.
	* gcc.dg/tree-ssa/pr21658.c: Likewise.
	* gcc.dg/tree-ssa/pr15349.c: Likewise.
	* gcc.dg/tree-ssa/pr25501.c: Likewise.
	* gcc.dg/tree-ssa/vrp11.c: Make more complex so it still test
	transformation in question.
	* gcc.dg/tree-ssa/vrp05.c: Likewise.
	* gcc.dg/tree-ssa/pr20701.c: Likewise.
	* gcc.dg/always_inline3.c: Likewise.

From-SVN: r120681
2007-01-11 16:50:32 +00:00
Tom Tromey 78392049f6 PR preprocessor/15185, PR preprocessor/20989:
* doc/cppopts.texi <-MT>: Update description of algorithm for
	computing default target.
	<-M, -MD>: Reword "basename" text.

From-SVN: r120679
2007-01-11 16:26:55 +00:00
Roger Sayle 455f14dd4d builtins.c (expand_builtin_pow, [...]): Replace uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
* builtins.c (expand_builtin_pow, expand_builtin_powi,
	fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
	fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
	fold_builtin_int_int_roundingfn, fold_builtin_bitop,
	fold_builtin_bswap, real_constp, fold_builtin_pow,
	fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
	do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
	uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
	* convert.c (convert_to_pointer): Likewise.
	* expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
	* fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
	const_binop, fold_convert_const_int_from_int,
	fold_convert_const_int_from_real,
	fold_convert_const_real_from_real, sign_bit_p,
	optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
	fold_sign_changed_comparison, fold_unary, fold_comparison,
	fold_binary, multiple_of_p, tree_Expr_non_zero_p,
	fold_negate_const, fold_abs_const, fold_not_const): Likewise.
	* print-tree.c (print_node_brief, print_node): Likewise.
	* stor-layout.c (place_field, layout_type): Likewise.
	* tree-chrec.c (keep_cast): Likewise.
	* tree.c (build_vector, build_real, build_real_from_int_cst,
	build_complex): Likewise.

From-SVN: r120678
2007-01-11 16:03:10 +00:00
Roger Sayle 95fd24b641 tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.
* tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
	treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.

From-SVN: r120677
2007-01-11 15:50:50 +00:00
Paolo Bonzini 8b1f719ae7 configure.ac (strict1_warn): Rename to strict_warn.
2007-01-11  Paolo Bonzini  <bonzini@gnu.org>

	* configure.ac (strict1_warn): Rename to strict_warn.
	(WERROR, --enable-werror, symlink hacks, stage1_cflags,
	cc_set_by_configure, quoted_cc_set_by_configure,
	stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
	all_boot_languages, all_stagestuff): Remove.
	(target_list): Remove bootstrap targets.
	* Makefile.in (quickstrap): Unconditionally make a synonym of all.
	(BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
	REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
	SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
	VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
	STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
	stage1_copy, stage2_build, stage2_copy, stageprofile_build,
	stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
	stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
	bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
	bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
	unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
	restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
	cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
	*compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
	stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
	stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
	risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
	(ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
	(STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
	(mostlyclean): Adjust.
	(clean, distclean): Don't mention bootstrap stuff.
	* configure: Regenerate.
	* ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
	java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
	treelang/config-lang.in (stagestuff): Remove.
	* doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
	stageprofile, stagefeedback, stagestuff): Remove mention.

From-SVN: r120670
2007-01-11 10:49:30 +00:00
Nick Clifton 6e3a343d88 predicates.md (mcore_general_movesrc_operand): Accept CONSTs.
* config/mcore/predicates.md (mcore_general_movesrc_operand): Accept CONSTs.
  (mcore_general_movdst_operand): Do not accept CONST_INTs.
  (mcore_arith_K_S_operand): Run the test for the S constraint not the test for the M constraint.
  (mcore_addsub_operand): Do not accept integer values that are larger than 32 bits.
* config/mcore/mcore.md: Remove unused constraints from split.
  (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
  (addsi3): Likewise.
  (allocate_stack): Likewise.
* config/mcore/mcore.c (mcore_print_operand): Restrict output of P operands to 32 bits.
  (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an INTVAL.
  (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
   mcore_const_ok_for_inline, mcore_const_trick_uses_not,
   try_constant_tricks, mcore_num_ones, mcore_num_zeros,
   mcore_output_bclri, mcore_output_andn, output_inline_const,
   mcore_output_move, mcore_output_movedouble): Likewise.
  (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
  (output_inline_const): Likewise.
  (output_inline_const): Fix format strings used in sprintf statements.
* config/mcore/mcore-protos.h: Update prototypes for changed functions in mcore.c.
* config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to HOST_WIDE_INT and not int.
  (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
   CONST_OK_FOR_N): Likewise.
  (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
  (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold an INTVAL.

From-SVN: r120669
2007-01-11 10:10:54 +00:00
Jan Hubicka ca15e36529 tree-vrp.c (remove_range_assertions): Release defs.
* tree-vrp.c (remove_range_assertions): Release defs.
	* tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
	* tree-ssa-dom.c (remove_stmt_or_phi): Likewise.

From-SVN: r120662
2007-01-11 01:20:40 +00:00
Paul Brook 26b53f802d arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
2007-01-10  Paul Brook  <paul@codesourcery.com>

	gcc/
	* config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
	* config/arm/arm.md (mulsi3subsi): New insn.

From-SVN: r120651
2007-01-10 22:06:56 +00:00
Zdenek Dvorak 567b96ed38 tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
* tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
	(tree_transform_and_unroll_loop): New.
	* tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
	Declare.

From-SVN: r120650
2007-01-10 21:32:36 +00:00
Robert Kennedy 6b074ef6a0 fold-const.c (fold_comparison): Fold comparisons like (x * 1000 < 0) to (x < 0).
./:	* fold-const.c (fold_comparison): Fold comparisons like (x *
	1000 < 0) to (x < 0).
testsuite/:
	* gcc.dg/fold-compare-2.c: New test case for fold_comparison.

From-SVN: r120649
2007-01-10 21:07:38 +00:00
Ian Lance Taylor ee3202e149 tree-pretty-print.c (dump_generic_node): Print parentheses when operands have the same priority.
* tree-pretty-print.c (dump_generic_node): Print parentheses when
	operands have the same priority.

From-SVN: r120648
2007-01-10 21:03:58 +00:00
Tom Tromey 08f0e79ed9 fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
gcc
	* fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
	(fold_binary): Likewise.
	* langhooks.c (lhd_can_use_bit_fields_p): Removed.
	* langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
	(LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
	(LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
	* langhooks.h (struct lang_hooks): Removed field
	'can_use_bit_fields_p'.
gcc/java
	* lang.c (java_can_use_bit_fields_p): Removed.
	(LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.

From-SVN: r120647
2007-01-10 19:28:39 +00:00
Ralf Corsepius 9a3e895398 Fix typo in last ChangeLog entry.
From-SVN: r120642
2007-01-10 16:22:07 +01:00
Ralf Corsepius 6534c5650c * config/bfin/t-bfin, config/bfin/t-bfin-elf: GCC_CFLAGS.
From-SVN: r120640
2007-01-10 16:18:18 +01:00
Razya Ladelsky 3e87758a6b function.c (get_last_funcdef_no): New function.
2007-01-10  Razya Ladelsky  <razya@il.ibm.com>

        * function.c (get_last_funcdef_no): New function.
        * function.h (get_last_funcdef_no): Declare.
        * tree-inline.c (initialize_cfun): Add initialization.
        (tree_function_versioning): Cleanup.

From-SVN: r120638
2007-01-10 10:21:50 +00:00
Jan Hubicka 9b718f81fd tree-inline.c (setup_one_parameter): Do not propagate into abnormal PHIs.
* tree-inline.c (setup_one_parameter): Do not propagate into abnormal
	PHIs.

From-SVN: r120637
2007-01-10 09:21:09 +00:00
Sa Liu e1f1d97f19 spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION...
* spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
	for SAVE_NONLOCAL and Pmode for any other save level.
	* spu-protos.h (spu_restore_stack_block): Declare.
	* spu.md (save_stack_block): Remove.
	(restore_stack_block): Call spu_restore_stack_block.
	* spu.c (spu_restore_stack_block): New function.
	(spu_expand_epilogue): Remove old comment.

Co-Authored-By: Ben Elliston <bje@au.ibm.com>

From-SVN: r120633
2007-01-10 16:24:01 +11:00
Zdenek Dvorak 7e2ac86c34 re PR middle-end/30322 (((-i-1) + i) +1) is turned into ~i + (i+1) and never into 0 on the tree level)
PR tree-optimization/30322
	* tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
	(cand_value_at): Return the value as aff_tree.
	(may_eliminate_iv): Convert the bound from aff_tree to tree.
	* tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
	aff_combination_mult): New functions.
	(aff_combination_add): Use aff_combination_add_cst.
	(aff_combination_convert): Allow conversions to a wider type.
	(tree_to_aff_combination): Handle BIT_NOT_EXPR.
	* tree-affine.h (aff_combination_mult): Declare.

	* gcc.dg/tree-ssa/loop-21.c: New test.

From-SVN: r120630
2007-01-10 00:44:26 +00:00
Carlos O'Donell fe037b8a3d tm.texi: Update documentation to reflect reality of exec and start file search behaviours.
gcc/

2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>

	* doc/tm.texi: Update documentation to reflect reality of exec
	and start file search behaviours. Update copyright year.
	* doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
	header file directories.

From-SVN: r120622
2007-01-09 21:08:19 +00:00
Uros Bizjak c648dedbde i386.md (*sinxf2): Rename to *sinxf2_i387.
* config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
        (*cosxf2): Rename to cosxf2_i387.

        (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
        using X87MODEF12 mode macro. Rename patterns to
        *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
        for SSE math.
        (*cosdf2, *cossf2): Ditto.
        (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
        to match extended input operands.

        (sincos<mode>3): New expander.

        (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
        insn patterns and corresponding splitters.

From-SVN: r120620
2007-01-09 13:46:17 +01:00
Kaz Kojima 269008262e t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
gcc/
	* config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
	(SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
libgcc/
	* config/sh/t-linux: New.
	* config.host (sh*-*-linux*): Set tmake_file.

From-SVN: r120619
2007-01-09 10:50:23 +00:00
Nicolas Pitre 1ba008b772 re PR target/30173 (Error in ARM softfloat routine __adddf3)
2007-01-09  Nicolas Pitre  <nico@cam.org>

	PR target/30173
	* arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.

From-SVN: r120613
2007-01-09 10:08:49 +00:00
Geoffrey Keating 157600d084 Index: ChangeLog
2007-01-08  Geoffrey Keating  <geoffk@apple.com>

	* target.h (struct gcc_target): New field library_rtti_comdat.
	* target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
	(TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
	* doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
	* config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.

Index: testsuite/ChangeLog
2007-01-08  Geoffrey Keating  <geoffk@apple.com>

	* g++.dg/rtti/darwin-builtin-linkage.C: New.

Index: cp/ChangeLog
2007-01-08  Geoffrey Keating  <geoffk@apple.com>

	* rtti.c: Include target.h.
	(emit_support_tinfos): If ! targetm.cxx.library_rtti_comdat (),
	don't emit typeinfo for fundamental types as weak.
	* Make-lang.in (cp/rtti.o): Update and correct dependencies.

From-SVN: r120611
2007-01-09 07:48:38 +00:00
Geoffrey Keating b061615db8 * doc/invoke.texi (Optimize Options): Correct description of -O0.
From-SVN: r120608
2007-01-09 07:30:17 +00:00
Richard Guenther b8fca551db tree.h (force_fit_type_double): Export.
2007-01-08  Richard Guenther  <rguenther@suse.de>

	* tree.h (force_fit_type_double): Export.
	(force_fit_type): Remove.
	* fold-const.c (force_fit_type_double): New function.
	(force_fit_type): Remove.
	(int_const_binop): Use it.
	(fold_convert_const_int_from_int): Likewise.
	(fold_convert_const_int_from_real): Likewise.
	(fold_div_compare): Likewise.
	(fold_sign_changed_comparison): Likewise.
	(fold_unary): Likewise.
	(fold_negate_const): Likewise.
	(fold_abs_const): Likewise. 
	(fold_not_const): Likewise.
	* c-common.c (shorten_compare): Use force_fit_type_double.
	* convert.c (convert_to_pointer): Likewise.

From-SVN: r120597
2007-01-08 23:07:44 +00:00
Richard Guenther 2ac7cbb532 tree.h (build_int_cst_wide_type): Export.
2007-01-08  Richard Guenther  <rguenther@suse.de>

	* tree.h (build_int_cst_wide_type): Export.
	* tree.c (build_int_cst_wide_type): New function.
	(build_int_cst_wide): Fix comment.
	* builtins.c (fold_builtin_object_size): Use build_int_cst
	to build -1 or 0 of the correct type.  Use fit_double_type
	to check for overflow.
	* fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
	to build the mask.
	(decode_field_reference): Likewise.
	(all_ones_mask_p): Likewise.
	(native_interpret_int): Use build_int_cst_wide_type.
	(fold_binary): Use build_int_cst_type to build an all-ones
	value.
	* stor-layout.c (set_sizetype): Use build_int_cst_wide_type.

	java/
	* lex.c (do_java_lex): Use build_int_cst_wide_type.
	* jcf-parse.c (get_constant): Likewise.

	cp/
	* cvt.c (cp_convert_to_pointer): Use build_int_cst_type.

	ada/
	* cuintp.c (build_cst_from_int): Use built_int_cst_type.
	* trans.c (gnat_to_gnu): Likewise.

From-SVN: r120596
2007-01-08 22:53:20 +00:00
Daniel Jacobowitz 1c61ff2946 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
From-SVN: r120595
2007-01-08 22:50:43 +00:00
Ben Elliston df1133a62c genautomata.c (STATS_OPTION): New option.
* genautomata.c (STATS_OPTION): New option.
	(stats_flag): New flag.
	(gen_automata_option): Handle it.
	(initiate_automaton_gen): Ditto.
	(write_automata): Output statistics only if stats_flag is
	set. Likewise, output time statistics only if time_flag is set.
	* doc/md.texi (Processor pipeline description): Document new flag.

From-SVN: r120594
2007-01-09 09:24:13 +11:00
Richard Guenther 2b60792f2b builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
2007-01-08  Richard Guenther  <rguenther@suse.de>

	* builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
	* tree.c (build_int_cst_type): Likewise.
	(size_in_bytes): Don't call force_fit_type on the result.
	(int_fits_type_p): Use fit_double_type.
	* fold-const.c (fit_double_type): New function.
	(force_fit_type): Use it.
	* tree.h (fit_double_type): Export.

From-SVN: r120593
2007-01-08 22:17:43 +00:00
Jan Hubicka 4e2603091d * ipa.c (function_and_variable_visibility): Fix return type.
From-SVN: r120590
2007-01-08 22:02:26 +00:00
Jan Hubicka fe1c75466e * tree-vectorizer.c (gate_increase_alignment): Fix return type.
From-SVN: r120589
2007-01-08 21:51:44 +00:00
Richard Guenther 7fb41a42a9 tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type of offset to build the index.
2007-01-08  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
	of offset to build the index.
	* tree-pretty-print.c (dump_generic_node): Don't build negated
	const just for printing.
	* c-pretty-print.c (pp_c_integer_constant): Likewise.
	* builtins.c (fold_builtin_int_roundingfn): Check if result
	fits the type by using force_fit_type and comparing the result.
	* predict.c (predict_loops): Use compare_tree_int for comparison.
	* tree.c (build_int_cst): Fall back to integer_type_node for
	NULL_TREE type.
	(build_int_cst_wide): Assert type is non-null.

	fortran/
	* trans-io.c (transfer_array_desc): Use build_int_cst instead
	of build_int_cstu.

From-SVN: r120586
2007-01-08 18:29:18 +00:00
Roberto Costa f255541fb7 Better handling of COND_EXPRs in rhs
From-SVN: r120581
2007-01-08 13:52:42 +00:00
Jan Hubicka feb8476ac4 tree-ssa-forwprop.c (forward_propagate_into_cond, [...]): Release defs of propagated statement.
* tree-ssa-forwprop.c (forward_propagate_into_cond,
	tree_ssa_forward_propagate_single_use_va): Release defs of propagated
	statement.

From-SVN: r120580
2007-01-08 13:13:09 +00:00
Richard Guenther 31ab1cc9db re PR tree-optimization/23603 (VRP does not say range for a in a = b == c; is [0,1])
2007-01-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/23603
        * tree-vrp.c (set_value_range_to_truthvalue): New function.
        (extract_range_from_binary): Fall back to truthvalue instead of
        varying for TRUTH_*_EXPR.
        (extract_range_from_comparison): Fall back to truthvalue instead of
        varying.
        (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
        if all visited PHI values were constant.

        * gcc.dg/tree-ssa/vrp31.c: New testcase.
        * gcc.dg/tree-ssa/vrp32.c: Likewise.

From-SVN: r120578
2007-01-08 11:20:00 +00:00
Jan Hubicka 151e6f2437 cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
* cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
	(cgraph_analyze_function): break out from ...
	(cgraph_finalize_compilation_unit): ... here.
	(cgraph_expand_function): Remove forgoten commented out line.
	(cgraph_optimize): Analyze functions.

From-SVN: r120577
2007-01-08 11:18:40 +00:00
Jan Hubicka f4b3ca7277 tree-pas.h (TODO_remove_function): New flag.
* tree-pas.h (TODO_remove_function): New flag.
	(TODO_update*): Renumber.
	(pass_ipa_increase_alignment,
	pass_ipa_function_and_variable_visibility): New passes.
	* cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
	(cgraph_function_and_variable_visibility): Move to ipa.c
	(cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
	cgraph_increase_alignment.
	* ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
	(cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
	calling tree-inline.
	(cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
	(pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
	* tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
	(gate_increase_alignment): New function.
	(pass_ipa_increase_alignment): New pass.
	* ipa.c: Inline tree-pass.h and timevar.h
	(function_and_variable_visibility): Move here from cgraphunit.c
	* tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
	* passes.c (init_optimization_passes): Add the two new passes.
	(execute_todo): Handle cgraph_remove_functions.

From-SVN: r120576
2007-01-08 11:13:14 +00:00
Nick Clifton 2fe2972995 * config/frv/predicates.md (reg_or_0_operand): Accept CONST_DOUBLEs.
From-SVN: r120574
2007-01-08 09:45:55 +00:00
Ralf Corsepius 152167d5d9 rtems.h, t-rtems: New.
* config/bfin/rtems.h, config/bfin/t-rtems: New.
	* config.gcc: Add bfin*-rtems*.

From-SVN: r120573
2007-01-08 10:33:47 +01:00
Mark Shinwell 00c8e9f613 c.opt: Add -flax-vector-conversions.
gcc/
	* c.opt: Add -flax-vector-conversions.
	* c-typeck.c (convert_for_assignment): Pass flag to
	vector_types_convertible_p to allow emission of note.
	(digest_init): Likewise.
	(comptypes_internal): Use vector_types_convertible_p.
	* c-opts.c: Handle -flax-vector-conversions.
	* c-common.c (flag_lax_vector_conversions): New.
	(vector_types_convertible_p): Unless -flax-vector conversions
	has been passed, disallow conversions between vectors with
	differing numbers of subparts and/or element types.  If such
	a conversion is disallowed, possibly emit a note on the first
	occasion only to inform the user of -flax-vector-conversions.
	The new last argument specifies this.
	* c-common.h (flag_lax_vector_conversions): New.
	(vector_types_convertible_p): Add extra argument.
	* config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
	char_type_node for V*QI type vectors.
	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
	Update to satisfy new typechecking rules.
	* config/rs6000/altivec.h (vec_cmple): Use vec_cmpge.
	* doc/invoke.texi (C Dialect Options): Document
	-flax-vector-conversions.

	gcc/cp/
	* call.c (standard_conversion): Pass flag to
	vector_types_convertible_p to disallow emission of note.
	* typeck.c (convert_for_assignment): Pass flag to
	vector_types_convertible_p to allow emission of note.
	(ptr_reasonably_similar): Pass flag to vector_types_convertible_p
	to disallow emission of note.

	gcc/testsuite/
	* gcc.target/i386/20020531-1.c: Use "char" not "unsigned char"
	in __v8qi typedef.
	* gcc.target/powerpc/altivec-vec-merge.c (foo): Add casts.
	* gcc.dg/simd-1.c: Update dg-error directives to reflect new
	compiler behaviour.
	* gcc.dg/simd-5.c: Likewise.
	* gcc.dg/simd-6.c: Likewise.
	* g++.dg/conversion/simd1.C: Likewise.
	* g++.dg/conversion/simd3.C: Likewise.
	* g++.dg/ext/attribute-test-2.C (data): Add "vs" member.
	(main): Use it.

From-SVN: r120572
2007-01-08 09:25:07 +00:00
Mark Shinwell 46e3b90f7e re PR tree-optimization/29877 (out of SSA (TER) extends variable life of variable beyond original declared)
PR tree-optimization/29877
	gcc/
	* tree-ssa-ter.c (is_replaceable_p): Deem assignments with
	a register variable on the RHS to not be replaceable.

	gcc/testsuite/
	* gcc.dg/pr16194.c: Skip test entirely if we don't know the
	name of a hard register for the target concerned.  Adjust dg-error
	directives to cope with new behaviour of TER.

From-SVN: r120571
2007-01-08 08:33:42 +00:00