* expmed.c (expand_shift): Consider expanding LSHIFT_EXPR by a
constant as a sequence of additions depending upon the rtx_costs.
(synth_mult): Update the "observed" cost of a shift, based upon
the above optimization.
From-SVN: r83956
2004-06-28 Geoffrey Keating <geoffk@apple.com>
Andreas Tobler <a.tobler@schweiz.ch>
PR 15813
* dwarf2out.c (reg_save): Output DW_CFA_same_value when a
register is saved in itself.
(initial_return_save): If the return address is a register,
it's already there, don't bother to mention it in the CFI.
(struct queued_reg_save): Add field saved_reg.
(struct reg_saved_in_data): New.
(regs_saved_in_regs): New.
(num_regs_saved_in_regs): New.
(queue_reg_save): Add extra parameter to specify register saved
in register. Remove duplicate entries from queue. Add comment
for function.
(flush_queued_reg_saves): Handle registers saved in registers.
Update regs_saved_in_regs. Add comment for function.
(clobbers_queued_reg_save): Add comment for function. Allow
for regs_saved_in_regs.
(reg_saved_in): New.
(dwarf2out_frame_debug_expr): Handle saving registers in other
registers.
(dwarf2out_frame_debug): Reset regs_saved_in_regs.
* unwind-dw2.c (execute_cfa_program): Correct handling of
DW_CFA_same_value. Add FIXME comment about incorrect implementation
of DW_CFA_restore_extended.
* config/rs6000/rs6000.c (rs6000_emit_prologue): Let
dwarf2out_frame_debug_expr see instructions that save registers
in other registers or save those other registers in memory.
* unwind-dw2.c (DWARF_FRAME_REGISTERS): Move to unwind-dw2.h.
(_Unwind_FrameState): Likewise.
* unwind-dw2.h: New.
* Makefile.in (LIB2ADDEHDEP): Add unwind-dw2.h.
* config/rs6000/darwin-fallback.c: New file.
* config/rs6000/darwin.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
* config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add darwin-fallback.o.
Index: gcc/testsuite/ChangeLog
2004-06-26 Geoffrey Keating <geoffk@apple.com>
Andreas Tobler <a.tobler@schweiz.ch>
* gcc.dg/cleanup-10.c: Run on all Linux platforms and powerpc-darwin.
Use SA_RESETHAND rather than SA_ONESHOT. Trap SIGBUS as well
as SIGSEGV.
* gcc.dg/cleanup-11.c: Likewise.
* gcc.dg/cleanup-8.c: Likewise.
* gcc.dg/cleanup-9.c: Likewise.
* gcc.dg/cleanup-5.c: Run on all platforms.
Index: libjava/ChangeLog
2004-06-26 Geoffrey Keating <geoffk@apple.com>
Andreas Tobler <a.tobler@schweiz.ch>
* configure.host (powerpc-*-darwin*): New case, define
can_unwind_signal.
* configure.in (*-*-darwin*): New case, point to darwin-signal.h.
* configure: Regenerate.
* include/darwin-signal.h: New.
Co-Authored-By: Andreas Tobler <a.tobler@schweiz.ch>
From-SVN: r83953
* config/rs6000/rs6000.c (rs6000_mixed_function_arg): Rewrite.
(function_arg): Use rs6000_arg_size rather than CLASS_MAX_NREGS in
calculating gpr size for altivec. Simplify and correct
rs6000_mixed_function_arg calls. Call rs6000_mixed_function_arg
for ABI_V4 gpr case too. Fix off-by-one error in long double
reg test. Generate the correct PARALLEL to handle long double
for ABI_AIX 32-bit. Use this for -m32 -mpowerpc64 fpr case too.
(function_arg_partial_nregs): Align before calculating regs left.
Don't return info on partial fprs when we need info on gprs.
Correct long double fpr off-by-one error.
From-SVN: r83951
2004-06-30 Brad Spencer <spencer@infointeractive.com>
* include/ext/mt_allocator.h: Handle allocations at static
initialization that happen before _S_options is (automatically)
constructed; set _S_init even if _M_force_new is true.
From-SVN: r83949
* gimplify.c (gimplify_compound_lval): Take fallback argument
instead of want_lvalue.
(gimplify_call_expr): Take want_value argument instead of test
function. Gimplify arguments to val only if reg_type; otherwise
allow lvalue forms.
(gimplify_expr): Update gimplify_compound_lval and gimplify_call_expr
calls.
* tree-gimple.c: Update GIMPLE grammer. Use true/false not 1/0.
Tidy commentary globally.
(get_call_expr_in): Remove RETURN_EXPR handling. Tidy.
* tree-gimple.h (is_gimple_call_addr): Mark extern.
* gimplify.c (gimplify_modify_expr_to_memcpy): Fix typo.
From-SVN: r83941
* gcc.dg/compat/compat-common.h: Wrap up CINT in
an #ifndef SKIP_COMPLEX_INT/#endif pair.
Special-case the Sun compiler wrt to <complex.h>.
From-SVN: r83931
* decl.c (pop_label): Handle (imperfectly) USE_MAPPED_LOCATION case.
* decl2.c: If USE_MAPPED_LOCATION, don't do some line number
adjustments - which I don't understand.
* error.c (dump_decl): Rename "<interrnal>" to "<built-in>".
* error.c: Use LOCATION_FILE and EXPR_LOCATION macros.
(print_instantiation_partial_context): Use expand_location.
* decl.c (duplicate_decl): Use new DECL_IS_BUILTIN macro.
* name-lookup.c: Likewise.
* lex.c (cxx_init): Likewise. Also use BUILTINS_LOCATION.
* name-lookup.c: Use input_line macro.
* parser.c (cp_lexer_get_preprocessor_token): Use UNKNOWN_LOCATION.
(cp_parser_statement): Rename locaal variable statement_locus to
statement_location and use SET_EXPR_LOCATION macro.
* pt.c: Handle USE_MAPPED_LOCATION case. Use new macros.
* tree.c (cp_walk_subtrees): Likewise.
From-SVN: r83923
* tree-mudflap.c (mf_file_function_line_tree): Take a location_t
rather than a pointer to one. Use expand_location.
(mf_varname_tree): Use expand_location.
* tree-dump.c: Use expand_location on DECL_SOURCE_LOCATION.
* coverage.c: Likewise.
* print-tree.c: Likewise.
* c-aux-info.c (gen_aux_info_record): Likewise.
* c-parse.in: Use SET_EXPR_LOCATION macro.
* gimple-low.c: Likewise.
* tree-mudflap.c: Likewise.
* gimplify.c: Likewise. Also use EXPR_LOCATION and EXPR_HAS_LOCATION.
* c-ppoutput.c: Use new source_location typedef instead of fileline.
* c-semantics.c: Use new macros.
* c-typeck.c: Likewise.
From-SVN: r83920
* basic-block.h (struct edge_def): Use new source_locus typedef.
* c-common.c (fname_decl): Update save/clear/store of input_location.
(c_do_switch_warnings): Update for USE_MAPPED_LOCATION case.
* c-decl.c: Likewise.
* c-dump.c (dump_stmt): Likewise.
* c-gimplify.c (c-gimplify.c): Generalize using SET_EXPR_LOCATION.
* c-lex.c (cb_line_change): If USE_MAPPED_LOCATION use token's src_loc
to set input_location direction, rather than using linemap_lookup.
(fe_file_change, cb_def_pragma): Again use source_location directly.
* c-opts.c (saved_lineno): Remove static variable.
(c_common_post_options, c_common_init): Don't bothner to save,
clear and restore input_Location - now handled by lang_dependent_init.
* function.c (init_function_start): Use new DECL_IS_BUILTIN macro.
* xcoffout.c (xcoff_assign_fundamental_type_number): Likewise.
From-SVN: r83919
* input.h: #include line-map.h for source_location typedef.
(BUILTINS_LOCATION, UNKNOWN_LOCATION, expand_location,
LOCATION_FILE, LOCATION_LINE): New macros and functions.
(expanded_location, source_locus): New typedefs.
(push_srcloc): Change parameter list if USE_MAPPED_LOCATION.
* rtl.def (NOTE, ASM_OPERANDS): Modify specifcation, if
USE_MAPPED_LOCATION.
* rtl.h (NOTE_DELETED_LABEL_NAME): New macro.
(NOTE_SOURCE_LOCATION, NOTE_EXPNDED_LOCATION, SET_INSN_DELETED):
New conditional macros.
(ASM_OPERANDS_SOURCE_FILE, ASM_OPERANDS_SOURCE_LINE): Replace
by ASM_OPERANDS_SOURCE_LOCATION if USE_MAPPED_LOCATION.
* tree.h (EXPR_LOCATION, SET_EXPR_LOCATION, EXPR_HAS_LOCATION,
EXPR_LOCUS, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LINENO,
DECL_IS_BUILTIN): New macros, most depending on USE_MAPPED__LOCATION.
(tree_exp): Change type of locus to use new source_locus typedef.
* tree.c (build1_stat): Use SET_EXPR_LOCATION.
(annotate_with_locus, annotate_with_file_line): Conditionalize.
(expand_location): New function.
* toplev.c (unknown_location): New static, when USE_MAPPED_LOCATION.
(push_srcloc, pop_loc): Adjust parameter handling.
(process_options): Don't set input_filename by itself.
(lang_dependent_init): Save, set input_location to <built-in>.
(warn_deprecated_use): Use expand_location.
From-SVN: r83918
2004-06-30 Benjamin Kosnik <bkoz@redhat.com>
Stuart Anderson <anderson@netsweng.com>
* config/linker-map.gnu: Add destructor exports for abstract base
classes to conform to LSB.
Co-Authored-By: Stuart Anderson <anderson@netsweng.com>
From-SVN: r83910
* combine.c: Include "output.h" to define dump_file.
(uid_insn_cost, last_insn_cost): New global variables.
(combine_insn_cost): New function to estimate cost of an insn.
(combine_validate_cost): New function to determine whether a
try_combine replacement sequence is cheaper than the original.
(combine_instructions): Allocate and populate uid_insn_cost
array at the start of the combine pass, and deallocate it after.
(try_combine): Check combine_validate_cost to determine whether
a "recombination" should be rejected as being more expensive.
* Makefile.in (combine.o): Add dependency upon output.h.
From-SVN: r83908
fortran/
PR fortran/16161
* decl.c (gfc_match_type_spec): Rename second argument to
'implicit_flag', reverse meaning. Don't match_char_spec if
'implicit_flag' is set. Rename to ...
(match_type_spec): ... this.
(gfc_match_implicit_none, match_implicit_range): Move here
from match.c.
(gfc_match_implicit): Move here from match.c, try to
match_char_len if match_implicit_range doesn't succeed for
CHARACTER implicits. Call renamed fucntion match_type_spec.
(gfc_match_data_decl, match_prefix): Call renamed function
match_type_spec.
* match.c (gfc_match_implicit_none, match_implicit_range,
gfc_match_implicit): Move to decl.c.
* match.h (gfc_match_implicit_none, gfc_match_implicit):
Move protoypes to section 'decl.c'.
(gfc_match_type_spec): Remove prototype.
testsuite/
PR fortran/16161
* gfortran.fortran-torture/compile/implicit.f90: Add test
for implicit character.
From-SVN: r83907
2004-06-30 David Billinghurst (David.Billinghurst@riotinto.com)
PR fortran/16289
* gfortran.fortran-torture/execute/intrinsic_nearest.f90
Use tiny() intrinsic to find smallest non-negative real
From-SVN: r83904
RTL prologue/epilogue for SPARC
* config/sparc/sparc-protos.h (sparc_emitting_epilogue): Delete.
(sparc_skip_caller_unimp): Likewise.
(load_pic_register): Likewise.
(leaf_return_peephole_ok): Likewise.
(compute_frame_size): Rename into sparc_compute_frame_size.
(sparc_expand_prologue): New prototype.
(sparc_expand_epilogue): Likewise.
(output_return): Likewise.
(eligible_for_epilogue_delay): Rename into eligible_for_return_delay.
* config/sparc/sparc.h (INITIAL_ELIMINATION_OFFSET): Adjust call to
compute_frame_size. Move comment up.
(DELAY_SLOTS_FOR_EPILOGUE): Delete.
(ELIGIBLE_FOR_EPILOGUE_DELAY): Likewise.
(EPILOGUE_USES): Return true for %g1 if the function uses EH return.
* config/sparc/sparc.md (UNSPECV_SAVEW): New constant.
(type attribute): Add 'return' and 'savew'.
(eligible_for_return_delay): New attribute.
(return): New delay_slot.
(sibcall_epilogue): Call sparc_expand_epilogue.
(prologue): Likewise. Move up.
(save_register_window): New expander.
(save_register_windowsi): New pattern.
(save_register_windowdi): Likewise.
(epilogue): New expander.
(return_internal): New pattern.
(Return peepholes): Delete.
* config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): New macro.
(sparc_emitting_epilogue): Delete.
(sparc_skip_caller_unimp): Likewise.
(sparc_sr_alias_set): New global variable.
(frame_base_name): Delete.
(frame_base_reg): New global variable.
(sparc_override_options): Get new alias set for save/restore.
(leaf_return_peephole_ok): Delete.
(eligible_for_epilogue_delay): Rename into eligible_for_return_delay.
Factor out code into eligible_for_restore_insn_delay.
(eligible_for_restore_insn_delay): New function extraced from above.
Use IN_UNCOND_BRANCH_DELAY_TRUE instead of IN_BRANCH_DELAY_TRUE.
(eligible_for_sibcall_delay): Use SIBCALL_SLOT_EMPTY_P.
Factor out code into eligible_for_restore_insn_delay.
(load_pic_register): Make static. Remove check.
(save_regs): Delete.
(restore_regs): Likewise.
(compute_frame_size): Rename into sparc_compute_frame_size.
Rename leaf_function into leaf_function_p.
(build_big_number): Delete.
(save_or_restore_regs): New function.
(emit_save_regs): Likewise.
(emit_restore_regs): Likewise.
(emit_stack_pointer_increment ): Likewise.
(emit_stack_pointer_decrement): Likewise.
(sparc_expand_prologue): Likewise.
(sparc_function_prologue): Rename into sparc_asm_function_prologue.
Remove all code to emit instructions.
(sparc_expand_epilogue): New function.
(sparc_function_epilogue): Rename into sparc_asm_function_epilogue.
Remove all code to emit instructions.
(output_restore): New function.
(output_return): Likewise.
(output_sibcall): Factor out code into output_restore.
(print_operand): Adjust for frame_base_reg.
* target.h (struct gcc_target): New field 'late_rtl_prologue_epilogue'.
* target-def.h (TARGET_LATE_RTL_PROLOGUE_EPILOGUE): New define.
(TARGET_INITIALIZER): Add it.
* passes.c (rest_of_compilation): Set the conditional predicate
'current_function_uses_only_leaf_regs' before sched2. If target
has 'late_rtl_prologue_epilogue', emit RTL prologue/epilogue right
before sched2.
* reorg.c (return_insn_p): New predicate.
(find_end_label): Use it.
(relax_delay_slots): Do not thread an unconditional jump that points
to the end return label.
* doc/tm.texi (Registers) <Leaf Functions>: Clarify the validity
domain of 'current_function_uses_only_leaf_regs'.
(Stack and Calling) <Function Entry>: Document new target hook
TARGET_LATE_RTL_PROLOGUE_EPILOGUE.
From-SVN: r83901
* simplify-rtx.c (simplify_binary_operation): Simplify
((A & N) + B) & M -> (A + B) & M if M is pow2 minus 1 constant and
N has at least all bits in M set as well.
PR tree-optimization/15310
* expr.c (expand_assignment): Optimize += or -= on a bit field in
most significant bits.
* gcc.c-torture/execute/20040629-1.c: New test.
From-SVN: r83900
