* real.c (real_trunc, real_floor, real_ceil): New functions
to implement trunc, floor and ceil respectively.
* real.h (real_trunc, real_floor, real_ceil): Prototype here.
* builtins.c (integer_valued_real_p): New function to test if
a floating point expression has an integer valued result.
(fold_trunc_transparent_mathfn): Optimize foo(foo(x)) as
foo(x) where foo is an integer rounding function. Similarly,
optimize foo(bar(x)) as bar(x), and foo((double)(int)x) as
(double)(int)x when both foo and bar are integer rounding
functions and we don't need to honor errno.
(fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil):
New functions to fold trunc, floor and ceil.
(fold_builtin): Use fold_builtin_trunc to fold BUILT_IN_TRUNC*,
fold_builtin_floor to fold BUILT_IN_FLOOR* and fold_builtin_ceil
to fold BUILT_IN_CEIL*.
* fold-const.c (tree_expr_nonnegative_p): Handle FLOAT_EXPR and
the remaining integer rounding functions.
* gcc.dg/builtins-25.c: New testcase.
* gcc.dg/builtins-26.c: New testcase.
From-SVN: r68903
* gcc.dg/compat/vector-defs.h: New file.
* gcc.dg/compat/vector-setup.h: New file.
* gcc.dg/compat/vector-check.h: New file.
* gcc.dg/compat/vector-1_main.c: New file.
* gcc.dg/compat/vector-1_x.c: New file.
* gcc.dg/compat/vector-1_y.c: New file.
* gcc.dg/compat/vector-2_main.c: New file.
* gcc.dg/compat/vector-2_x.c: New file.
* gcc.dg/compat/vector-2_y.c: New file.
From-SVN: r68902
* gcc.dg/compat/fnptr-by-value-1_main.c: New file.
* gcc.dg/compat/fnptr-by-value-1_x.c: New file.
* gcc.dg/compat/fnptr-by-value-1_y.c: New file.
* gcc.dg/compat/struct-align-1.h: New file.
* gcc.dg/compat/struct-align-1_main.c: New file.
* gcc.dg/compat/struct-align-1_x.c: New file.
* gcc.dg/compat/struct-align-1_y.c: New file.
* gcc.dg/compat/struct-align-2.h: New file.
* gcc.dg/compat/struct-align-2_main.c: New file.
* gcc.dg/compat/struct-align-2_x.c: New file.
* gcc.dg/compat/struct-align-2_y.c: New file.
From-SVN: r68901
* basic-block.h (create_basic_block, merge_blocks_nomove): Kill.
* cfgcleanup.c (merge_blocks): Rename to merge_blocks_move.
(merge_blocks_move_predecessor_nojumps,
merge_blocks_move_successor_nojumps): Use merge_blocks.
(try_optimize_cfg): Use merge_blocks_move.
* cfgrtl.c (create_basic_block): Rename to rtl_create_basic_block.
(merge_blocks_nomove): Rename to rtl_merge_blocks.
(cfg_layout_create_basic_block): New.
(rtl_can_merge_blocks): New.
(cfg_layout_split_block): Do not alloc aux by hand.
* cfghooks.h (cfg_hooks): Add create_basic_block, can_merge_blocks_p,
merge_blocks.
(create_basic_block, can_merge_blocks_p, merge_blocks): New macros.
* cfglayout.c (cfg_layout_duplicate_bb): Do not allocate aux by hand.
* cfgloopmanip.c (loop_split_edge_with): Likewise.
* ifcvt.c (merge_if_block): Use merge_blocks_nomove.
* basic-block.h (basic_block_def): Add field 'rbi'.
* bb-reorder.c (find_traces, rotate_loop, mark_bb_visited,
find_traces_1_round, copy_bb, connect_traces): Update use of rbi.
* cfg.c (entry_exit_blocks): Add new field.
* cfglayout.c: Include alloc-pool.h;
(cfg_layout_pool): New.
(record_effective_endpoints, fixup_reorder_chain,
fixup_fallthru_exit_predecessor, cfg_layout_duplicate_bb): Update use
of rbi.
(cfg_layout_initialize_rbi): New function.
(cfg_layout_initialize): Use it.
(cfg_layout_finalize): Clear rbi fields.
* cfglayout.h (RBI): Kill.
(cfg_layout_initialize_rbi): Declare.
* cfgloopmanip.c (copy_bbs): Use rbi.
(record_exit_edges): Likewise.
(duplicate_loop_to_header_edge): Likewise.
* cfgrtl.c (cfg_layout_create_basic_block): Use
cfg_layout_initialize_rbi.
(cfg_layout_split_block): Use rbi.
(cfg_layout_delete_block): Likewise.
* loop-init.c (loop_optimizer_finalize): Likewise.
* loop-unswitch.c (unswitch_loop): Likewise.
* tracer.c (seen, tail_duplicate, layout_superblocks): Likewise.
* cfgrtl.c: Update comments.
(try_redirect_by_replacing_jump): New argument.
(redirect_branch_edge): Break out from ...
(rtl_redirect_edge_and_branch): ... this one.
(update_cfg_after_block_merging): Break out from ...
(rtl_merge_blocks): ... this one.
(cfg_layout_split_edge): New.
(cfg_layout_merge_blocks): New.
(cfg_layout_can_merge_blocks_p): New.
(cfg_layout_redirect_edge_and_branch): Reorganize.
(cfg_layout_rtl_cfg_hooks): Fill in.
(cfg_layout_delete_block): Kill barriers.
* cfganal.c (can_fallthru): Deal with exit blocks
* cfglayout.c (cfg_layout_function_header): New function
(record_effective_endpoints): Record function header.
(fixup_reorder_chain): Fixup dead jumptables; place header
* basic-block.h (CLEANUP_CFGLAYOUT): New flag.
* bb-reorder.c (cfg_layout_initialize): Update call.
* cfgcleanup.c (try_optimize_cfg): Supress optimizations of fallthru
edges in cfglayout mode.
* cfglayout.c (cleanup_unconditional_jumps): Kill.
(cfg_layout_initialize): Kill agrument loops; use cfgcleanup.
* cfglayout.h (cfg_layout_initialize): Update prototype.
* cfgloop.h (CP_INSIDE_CFGLAYOUT): Kill.
* cfgloopmanip.c (loop_split_edge_with): Use split_edge.
* flow.c (propagate_block): Do not crash when basic block ends
by first insn in the chain.
* loop-init.c (loop_optimizer_init): First enter cfglayout mode; later
do loop discovery.
* tracer.c (tracer): Update call of cfg_layout_initialize.
From-SVN: r68899
PR target/10700
* fold-const.c (extract_muldiv_1): There's nothing that can be done
if the expression is a SAVE_EXPR.
* gcc.c-torture/compile/20030703-1.c: New test case.
From-SVN: r68877
PR optimization/11381
* simplify-rtx.c (simplify_relational_operation): Check that
two equal operands have no side-effects before simplifying
the comparison.
From-SVN: r68869
* expr.c (do_store_flag): Remove special case folding for
single bit tests. Instead call back into the commonized folder
routine.
* fold-const.c (fold_single_bit_test): New function, mostly
extracted from do_store_flag, with an additional case extracted
from fold.
(fold): Call fold_single_bit_test appropriately.
* tree.h (fold_single_bit_test): Prototype.
From-SVN: r68867
2003-07-02 Danny Smith <dannysmith@users.source.forge.net>
* pex-win32.c (fix_argv): Ensure that the executable pathname
uses Win32 backslashes.
(pexecute): Cast away constness when assigning *errmsg_arg.
From-SVN: r68862
PR java/9532
* jartool.c (add_to_jar): Return 1 on failure to open file.
Split out -C case to:
* jartool.c (add_to_jar_with_dir): New function.
From-SVN: r68847
PR optimization/11210
* expr.c (handled_component_p) [NOP_EXPR]: Add ??? note
about the behaviour with regard to bitfields.
* fold-const (decode_field_reference): Record outermost type in
case the expression is a NOP. Strip all NOPs. Set the signedness
to that of the outermost type (if any) when the bitsize is equal
to the size of the type.
From-SVN: r68823
* config/mips/mips.c (machine_function): Add new fields:
ignore_hazard_length_p and all_noreorder_p.
(mips_flag_delayed_branch): New variable.
(override_options): Treat '/' as an operand punctuation character.
Set up mips_flag_delayed_branch.
(print_operand): Handle '/'.
(mips_output_function_prologue): Put the whole function in
.set noreorder and .set nomacro if all_noreorder_p is true.
(mips_output_function_epilogue): End the noreorder/nomacro sequence.
(mips16_optimize_gp): Remove "first insn" parameter.
(mips16_lay_out_constants): New function, split out from mips_reorg.
(mips_avoid_hazard, mips_avoid_hazards): New functions.
(mips_reorg): For mips16 code, call mips16_lay_out_constant
and (optionally) mips16_optimize. If TARGET_EXPLICIT_RELOCS,
do delayed-branch scheduling followed by hazard detection.
(mips_adjust_insn_length): Only account for hazards if
!ignore_hazard_length_p.
(mips_output_load_label): Add a nop to the o32 sequence if
the target suffers from load delays.
(mips_output_conditional_branch): Add %/ to the end of branches.
(mips_output_division): Fill the branch delay slot with %#.
* config/mips/mips.md: Remove redundant '%*' from mips16 branch
instructions. End all other %* branches with %/.
(ffssi2, ffsdi2): Fix lengths.
(truncdisi2, truncdihi2, truncdiqi2): Add store attributes.
(fix_truncdfsi2_macro): Turn off .set nomacro if appropriate.
(fix_truncsfsi2_macro): Likewise.
(mov_lwl): Set hazard to "none".
(ashldi3_internal): Fill the branch delay slot with %#.
(ashrdi3_internal, lshrdi3_internal): Likewise.
(exception_receiver): Explicitly set $28.
(hazard_nop): New pattern.
From-SVN: r68821
