2007-07-09 Richard Guenther <rguenther@suse.de>
cp/
* decl.c (start_preparsed_function): Do not promote return type.
* c-decl.c (start_function): Do not promote return type.
From-SVN: r126480
gcc:
2007-07-08 Daniel Franke <franke.daniel@gmail.com>
* function.c (do_warn_unused_parameter): Do not warn if
TREE_NO_WARNING is set.
gcc/fortran:
2007-07-08 Daniel Franke <franke.daniel@gmail.com>
PR fortran/24784
PR fortran/28004
* trans-decl.c (generate_local_decl): Adjusted warning on unused
dummy arguments, tell middle-end not to emit additional warnings.
From-SVN: r126471
2007-07-07 Daniel Berlin <dberlin@dberlin.org>
Revert (note the sccvn portions are *not* reverted)
2007-07-06 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/23488
* tree-vn.c (set_value_handle): Use decl_vh_map for decl value
handles.
* tree-flow-inline.h (get_value_handle): Ditto.
* tree-ssa-pre.c (decl_vh_map): New.
(decl_node_pool): New.
(can_value_number_operation): Support DECL_P.
(can_PRE_operation): Ditto.
(create_expression_by_pieces): Ditto.
(find_existing_value_expr): Modify to differnetiate between
addressing and top level.
(create_value_handle_for_expr): Handle DECL's.
(poolify_tree): Ditto.
(make_values_for_phi): Don't insert into PHI_GEN during FRE.
(make_values_for_stmt): Handle DECL's properly.
(init_pre): Reorg to not init useless things during FRE.
(fini_pre): Ditto.
* tree-flow.h: Include pointer-set.h.
(decl_vh_map): Declare.
* Makefile.in (TREE_FLOW_H): Add pointer-set.h
From-SVN: r126449
2007-07-06 Richard Guenther <rguenther@suse.de>
* gimplify.c (gimplify_call_expr): Prefer DECL_ARGUMENTS over
TYPE_ARG_TYPES for verification of argument types. Use
DECL_ARG_TYPE instead of the PARM_DECL type. Take excess
parameters as variable arguments.
* g++.dg/opt/pr30965.C: New testcase.
From-SVN: r126412
2007-07-06 Andreas Krebbel <krebbel1@de.ibm.com>
* libgcc2.h (word_type): Type definition removed.
(cmp_return_type, shift_count_type): Type definitions added.
(__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
replaced with shift_count_type.
(__cmpdi2, __ucmpdi2): word_type of return type replaced with
cmp_return_type.
* libgcc2.c (__udivmoddi4, __moddi3): Type of local variable c
changed from word_type to Wtype.
(__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
replaced with shift_count_type.
(__cmpdi2, __ucmpdi2): word_type of return type replaced with
cmp_return_type.
* c-common.c (handle_mode_attribute): Handling for libgcc_cmp_return and
libgcc_shift_count attribute added.
* target-def.h (TARGET_LIBGCC_CMP_RETURN_MODE,
TARGET_LIBGCC_SHIFT_COUNT_MODE): New target hooks defined.
(TARGET_INITIALIZER): New target hooks added.
* targhooks.c (default_libgcc_cmp_return_mode,
default_libgcc_shift_count_mode): Default implementations for the new
target hooks added.
* targhooks.h (default_libgcc_cmp_return_mode,
default_libgcc_shift_count_mode): Function prototypes added.
* target.h (struct gcc_target): Fields for the new target hooks added.
* optabs.c (expand_binop): Use shift_count_mode when expanding shift
as library call.
(prepare_cmp_insn): Use cmp_return_mode when expanding comparison as
library call.
* doc/tm.texi (TARGET_LIBGCC_CMP_RETURN_MODE,
TARGET_LIBGCC_SHIFT_COUNT_MODE): Documentation added.
* config/s390/s390.c (s390_libgcc_cmp_return_mode,
s390_libgcc_shift_count_mode): Functions added.
(TARGET_LIBGCC_CMP_RETURN_MODE, TARGET_LIBGCC_SHIFT_COUNT_MODE): Target
hooks defined.
From-SVN: r126410
gcc/
* config/mips/mips.c (compute_frame_size): Restore the original
gp_sp_offset for !GENERATE_MIPS16E_SAVE_RESTORE and remove the
fp_size term from the GENERATE_MIPS16E_SAVE_RESTORE calculation.
Document why the difference is needed.
From-SVN: r126406
gcc/
* config/mips/mips.c (mips16e_save_restore_pattern_p): Check that
the topmost argument register is not also included in the save mask.
(mips16e_collect_argument_save_p): Take a pointer to the argument
register, rather than a pointer to the number of arguments.
(mips16e_collect_argument_saves): Only include argument saves
that aren't in the register mask.
gcc/testsuite/
* gcc.target/mips/save-restore-5.c: New test.
From-SVN: r126404
PR rtl_optimization/32450
* function.c (thread_prologue_and_epilogue_insns): Emit blockage insn
to ensure that instructions are not moved into the prologue when
profiling is on. Remove unused prologue_end variable.
(expand_function_end): Emit blockage insn instead of ASM_INPUT rtx
as a scheduling barrier.
testsuite/ChangeLog:
PR rtl_optimization/32450
* gcc.dg/pr32450.c: New runtime test.
From-SVN: r126403
2007-07-05 Seongbae Park <seongbae.park@gmail.com>
PR rtl-optimization/32475
* df-scan.c (df_def_record_1): Add a use of the stack pointer
for every definition of the stack pointer.
From-SVN: r126391
2007-07-05 Sandra Loosemore <sandra@codesourcery.com>
David Ung <davidu@mips.com>
Add support for SmartMIPS ASE.
gcc/
* optabs.c (expand_binop_directly): New, broken out from...
(expand_binop): Here. Make it try rotating in the other
direction even when the second operand isn't constant.
* config/mips/mips.md (*lwxs): New.
* config/mips/mips.opt (msmartmips): New.
* config/mips/mips.c (mips_lwxs_address_p): New.
(mips_rtx_costs): Make it recognize scaled indexed addressing.
* config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
__mips_smartmips when compiling for TARGET_SMARTMIPS.
(ISA_HAS_ROR): Define for TARGET_SMARTMIPS.
(ISA_HAS_LWXS): New.
(ASM_SPEC): Add -msmartmips/-mno-smartmips.
* doc/invoke.texi (MIPS Options): Document -msmartmips/-mno-smartmips.
* testsuite/gcc.target/mips/smartmips-lwxs.c: New test case.
* testsuite/gcc.target/mips/smartmips-ror-1.c: New test case.
* testsuite/gcc.target/mips/smartmips-ror-2.c: New test case.
* testsuite/gcc.target/mips/smartmips-ror-3.c: New test case.
* testsuite/gcc.target/mips/smartmips-ror-4.c: New test case.
Co-Authored-By: David Ung <davidu@mips.com>
From-SVN: r126370
* tree-vectorizer.c (new_loop_vec_info): Initialize
LOOP_VINFO_COST_MODEL_MIN_ITERS.
* tree-vectorizer.h (_loop_vec_info): Added new filed
min_profitable_iters.
(LOOP_VINFO_COST_MODEL_MIN_ITERS): New access macro to above new field.
(TARG_SCALAR_TO_VEC_COST): Define cost of scalar to vector operation.
* tree-vect-analyze.c (vect_analyze_operations): Set
LOOP_VINFO_COST_MODEL_MIN_ITERS.
* tree-vect-transform.c (vect_estimate_min_profitable_iters): Use
VEC_length to determine if there are any LOOP_VINFO_MAY_MISALIGN_STMTS.
Fix calculation of peel_iters_prologue. Move consideration of epilogue
and prologue cost to after they are computed.
(vect_model_induction_cost): Use TARG_SCALAR_TO_VEC_COST instead of
TARG_VEC_STMT_COST.
(vect_model_simple_cost): Takes additional argument dt. Consider cost
of creating vectors from scalars according to dt.
(vect_model_store_cost): Likewise.
(vectorizable_call): Use dt array instead of scalar dt. Call
vect_model_simple_cost with additional argument dt.
(vectorizable_assignment): Likewise.
(vectorizable_operation): Likewise.
(vectorizable_type_demotion): Likewise.
(vectorizable_type_promotion): Likewise.
(vectorizable_store): Use dt array instead of scalar dt. Call
vect_model_store_cost with additional argument dt.
(vect_do_peeling_for_loop_bound): Don't call
vect_estimate_min_profitable_iters. Instead, lookup
LOOP_VINFO_COST_MODEL_MIN_ITERS. Don't always print
"may not be profitable".
* gcc.dg/vect/costmodel/ppc: New directory.
* gcc.dg/vect/costmodel/ppc/ppc-costmodel-vect.exp: New.
* gcc.dg/vect/costmodel/ppc/costmodel-fast-math-vect-pr29925.c: New test.
* gcc.dg/vect/costmodel/ppc/costmodel-vect-31a.c: New test.
* gcc.dg/vect/costmodel/ppc/costmodel-vect-31b.c: New test.
* gcc.dg/vect/costmodel/ppc/costmodel-vect-31c.c: New test.
* gcc.dg/vect/costmodel/ppc/costmodel-vect-31d.c: New test.
* gcc.dg/vect/costmodel/ppc/costmodel-vect-33.c: New test.
* gcc.dg/vect/costmodel/ppc/costmodel-vect-76a.c: New test.
* gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.c: New test.
* gcc.dg/vect/costmodel/ppc/costmodel-vect-76c.c: New test.
* gcc.dg/vect/costmodel/ppc/costmodel-vect-68a.c: New test.
* gcc.dg/vect/costmodel/ppc/costmodel-vect-68b.c: New test.
* gcc.dg/vect/costmodel/ppc/costmodel-vect-68c.c: New test.
* gcc.dg/vect/costmodel/ppc/costmodel-vect-68d.c: New test.
* gcc.dg/vect/costmodel/ppc/costmodel-vect-reduc-1char.c: New test.
* gcc.dg/vect/costmodel/i386/costmodel-vect-68.c: Now vectorized.
From-SVN: r126368
* dwarf2out.c (dw_ranges_by_label_ref): New typedef.
(dw_ranges_struct): Rename block_num to num. Adjust.
(dw_ranges_by_label_struct): New.
(ranges_by_label, ranges_by_label_allocated,
ranges_by_label_in_use): New variables.
(add_ranges_num): Factored most of the code out of...
(add_ranges): ... this one. Rewrite in terms of the former.
(add_ranges_by_labels): New.
(output_ranges): Output by-label ranges.
(dwarf2out_finish): Output range for multiple-section
compile_unit. Output standard DW_AT_low_pc in addition to
unexpected DW_AT_entry_pc.
From-SVN: r126357
2007-07-04 Daniel Berlin <dberlin@dberlin.org>
PR tree-optimization/32604
PR tree-optimization/32606
* tree-ssa-pre.c (bb_bitmap_sets): Removed antic_safe_loads.
(compute_antic_safe): Removed.
(ANTIC_SAFE_LOADS): Ditto.
(compute_antic_aux): Don't print ANTIC_SAFE_LOADS.
(execute_pre): Don't call compute_antic_safe.
(vuse_equiv): New function.
(make_values_for_stmt): Use it
* tree-ssa-sccvn.c (set_ssa_val_to): Remove assert, since it is
not always true.
From-SVN: r126338
PR target/31331
* config/avr/avr.c (avr_naked_function_p): Handle receiving a type
rather than a decl.
(avr_attribute_table): Make "naked" attribute apply to function types
rather than to decls.
(avr_handle_fntype_attribute): New function.
From-SVN: r126337
2007-07-04 Richard Guenther <rguenther@suse.de>
* tree-ssa.c (useless_type_conversion_p): Add handling for
scalar float and vector types. Only call the types_compatible_p
langhook for aggregate types as last resort. Follow the
rules.
From-SVN: r126326
* target.h (struct gcc_target): Add target_help field.
* target-def.h (TARGET_HELP): New.
(TARGET_INITIALIZER): Use TARGET_HELP.
* opts.c (command_handle_option): Invoke target_help function, if defined, when the
user has specified --target-help on the command line.
* doc/invoke.texi: Mention that --target-help might print additional information.
* doc/tm.texi: Document TARGET_HELP hook.
* arm.c (TARGET_HELP): Override default definition.
(arm_target_help): New - display a wrapped list of cores and architectures supported.
From-SVN: r126323
2007-07-04 Richard Guenther <rguenther@suse.de>
PR tree-optimization/32482
* tree-ssa-ifcombine.c (recognize_single_bit_test): Use the
original ssa name if we didn't find a shift expression.
Fix shift constant for bit zero test.
* gcc.c-torture/compile/pr32482.c: New testcase.
From-SVN: r126314
Richard Guenther
Daniel Franke
Andreas Schwab
Sandra Loosemore
Daniel Berlin
Eric Weddington
Kazu Hirata
Sandra Loosemore
Ian Lance Taylor
Richard Sandiford
Josh Conner
Bernd Schmidt
Andreas Krebbel
Uros Bizjak
Alexandre Oliva
Adam Nemet
Seongbae Park
Richard Earnshaw
Anatoly Sokolov
Paolo Bonzini
Richard Sandiford
Uros Bizjak
Dorit Nuzman
Zdenek Dvorak
Joseph Myers
David Ung
Nick Clifton
Rask Ingemann Lambertsen