| Commit message (Collapse) | Author | Age | Files | Lines |
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that is a cc0 insn...
gcc/
* cfgcleanup.c (try_head_merge_bb): If get_condition returns
NULL for a jump that is a cc0 insn, pick the previous insn for
move_before.
gcc/testsuite/
* gcc.c-torture/compile/20110907.c: New file.
From-SVN: r180766
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fixup_reorder_chain, at cfglayout.c:797)
PR rtl-optimization/44469
* cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
after removing trivially dead basic blocks.
From-SVN: r169304
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gcc/
PR rtl-optimization/44374
Reapply patch with fixes.
* basic-block.h (enum bb_flags): Add BB_MODIFIED.
* df-core.c (df_set_bb_dirty): Set it.
* ifcvt.c (find_memory): Remove function.
(dead_or_predicable): Use can_move_insns_across.
* df.h (can_move_insns_across): Declare function.
* cfgcleanup.c (block_was_dirty): New static variable.
(flow_find_head_matching_sequence): Test for epilogue notes.
(try_crossjump_bb, try_forward_edges): Test BB_MODIFIED flag rather
than df_get_bb_dirty.
(try_head_merge_bb): New static function.
(try_optimize_cfg): Call it. Call df_analyze if block_was_dirty
is set.
* df-problems.c: Include "target.h"
(df_simulate_find_uses): New static function.
(MEMREF_NORMAL, MEMREF_VOLATILE): New macros.
(find_memory, find_memory_store): New static functions.
(can_move_insns_across): New function.
* Makefile.in (df-problems.o): Update dependencies.
gcc/testsuite/
PR rtl-optimization/44374
Reapply patch with fixes.
* gcc.target/arm/headmerge-1.c: New test.
* gcc.target/arm/headmerge-2.c: New test.
* gcc.target/i386/headmerge-1.c: New test.
* gcc.target/i386/headmerge-2.c: New test.
From-SVN: r167779
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gcc/ChangeLog:
PR debug/46782
* cfgcleanup.c (try_forward_edges): Skip debug insns.
gcc/testsuite/ChangeLog:
PR debug/46782
* gcc.dg/debug/pr46782.c: New.
From-SVN: r167737
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* diagnostic-core.h: Include bversion.h.
* toplev.h: Don't include input.h or bversion.h.
(parse_optimize_options): Don't declare here.
* alias.c, auto-inc-dec.c, c-aux-info.c, c-convert.c, c-parser.c,
caller-save.c, cfg.c, cfganal.c, cfgbuild.c, cfgcleanup.c,
combine-stack-adj.c, config/arm/pe.c, config/darwin-c.c,
config/host-darwin.c, config/i386/host-cygwin.c,
config/i386/host-mingw32.c, config/i386/msformat-c.c,
config/i386/netware.c, config/i386/nwld.c,
config/i386/winnt-cxx.c, config/i386/winnt-stubs.c,
config/ia64/ia64-c.c, config/m32c/m32c-pragma.c,
config/mep/mep-pragma.c, config/microblaze/microblaze-c.c,
config/rs6000/host-darwin.c, config/rs6000/rs6000-c.c,
config/score/score3.c, config/score/score7.c,
config/sh/symbian-base.c, config/sh/symbian-c.c,
config/sh/symbian-cxx.c, config/sol2-c.c, config/sol2.c,
config/v850/v850-c.c, config/vxworks.c, convert.c, cppbuiltin.c,
cselib.c, dbgcnt.c, ddg.c, dfp.c, dominance.c, emit-rtl.c,
fixed-value.c, fwprop.c, ggc-common.c, gimple.c, gimplify.c,
graphite-blocking.c, graphite-clast-to-gimple.c,
graphite-dependences.c, graphite-flattening.c,
graphite-interchange.c, graphite-poly.c,
graphite-scop-detection.c, graphite.c, haifa-sched.c,
implicit-zee.c, integrate.c, ipa-pure-const.c, ipa-reference.c,
ira-build.c, ira-conflicts.c, ira-costs.c, ira-lives.c, jump.c,
lists.c, loop-doloop.c, loop-iv.c, lto-cgraph.c, lto-compress.c,
lto-opts.c, lto-section-in.c, lto-section-out.c,
lto-streamer-out.c, lto-symtab.c, modulo-sched.c, optabs.c,
params.c, postreload-gcse.c, postreload.c, predict.c, profile.c,
regcprop.c, reginfo.c, regmove.c, reorg.c, resource.c,
sched-deps.c, sched-ebb.c, sched-rgn.c, sdbout.c,
sel-sched-dump.c, sel-sched-ir.c, sese.c, stmt.c, targhooks.c,
tree-cfgcleanup.c, tree-mudflap.c, tree-nomudflap.c,
tree-object-size.c, tree-outof-ssa.c, tree-phinodes.c,
tree-profile.c, tree-sra.c, tree-ssa-ccp.c, tree-ssa-coalesce.c,
tree-ssa-live.c, tree-ssa-loop-prefetch.c, tree-ssa-loop.c,
tree-ssa-operands.c, tree-ssa-structalias.c, tree-ssa-uninit.c,
tree-vect-patterns.c, value-prof.c, var-tracking.c, web.c: Don't
include toplev.h.
* Makefile.in (TOPLEV_H): Remove. All uses changed to use
toplev.h. Dependencies for above files and c-family files changed
to remove $(TOPLEV_H) or toplev.h.
(C_TREE_H): Don't include $(TOPLEV_H).
(DIAGNOSTIC_CORE_H): Use $(INPUT_H) instead of input.h. Add
bversion.h.
* config/arm/t-pe, config/arm/t-wince-pe, config/i386/t-cygming,
config/ia64/t-ia64, config/mep/t-mep, config/score/t-score-elf,
config/t-darwin, config/t-sol2,
config/t-vxworks, config/v850/t-v850, config/v850/t-v850e:
Dependencies for above files changed to remove $(TOPLEV_H) or
toplev.h.
c-family:
* c-common.h (parse_optimize_options): Declare.
* c-cppbuiltin.c, c-format.c, c-gimplify.c, c-lex.c, c-omp.c,
c-pch.c, c-pragma.c, c-semantics.c: Don't include toplev.h.
cp:
* cp-gimplify.c, cp-lang.c, cvt.c, cxx-pretty-print.c, error.c,
except.c, expr.c, friend.c, init.c, mangle.c, name-lookup.c,
optimize.c, parser.c, rtti.c, tree.c, typeck2.c: Don't include
toplev.h.
* Make-lang.in: Dependencies for above files changed to remove
toplev.h.
java:
* expr.c, lang.c, mangle.c, mangle_name.c, typeck.c,
verify-glue.c: Don't include toplev.h.
* Make-lang.in: Dependencies for above files changed to remove
toplev.h.
lto:
* Make-lang.in (lto/lto-object.o): Depend on toplev.h instead of
$(TOPLEV_H).
From-SVN: r167293
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gcc/
2010-11-03 H.J. Lu <hongjiu.lu@intel.com>
PR rtl-optimization/45865
* Makefile.in (df-problems.o): Revert revision 164552.
* basic-block.h (enum bb_flags): Likewise.
* cfgcleanup.c (block_was_dirty): Likewise.
(try_forward_edges): Likewise.
(try_crossjump_bb): Likewise.
(try_head_merge_bb): Likewise.
(try_optimize_cfg): Likewise.
(cleanup_cfg): Likewise.
* df-core.c (df_set_bb_dirty): Likewise.
* df-problems.c: Likewise.
(df_simulate_find_uses): Likewise.
(MEMREF_NORMAL, MEMREF_VOLATILE): Likewise.
(find_memory, find_memory_store): Likewise.
(can_move_insns_across): Likewise.
* df.h (can_move_insns_across): Likewise.
* ifcvt.c (find_memory): Likewise.
(dead_or_predicable): Likewise.
gcc/testsuite/
2010-11-03 H.J. Lu <hongjiu.lu@intel.com>
PR rtl-optimization/45865
* gcc.dg/pr45865.c: New.
* gcc.dg/torture/pr45865.c: Likewise.
* gcc.target/arm/headmerge-1.c: Revert revision 164552.
* gcc.target/arm/headmerge-2.c: Likewise.
* gcc.target/i386/headmerge-1.c: Likewise.
* gcc.target/i386/headmerge-2.c: Likewise.
From-SVN: r166259
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stopping because of a different locus on...
* cfgcleanup.c (try_forward_edges): Do not throw away previous steps
when stopping because of a different locus on edge or insn.
(try_optimize_cfg): Add comment.
* cfgrtl.c (rtl_merge_blocks): Tweak log message. If the destination
block is a forwarder block, propagate locus on the edge.
(cfg_layout_merge_blocks): Likewise.
From-SVN: r165789
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* basic-block.h (find_fallthru_edge): Define.
* cfgcleanup.c (merge_blocks_move): Use it.
(try_crossjump_bb): Likewise.
* cfglayout.c (fixup_reorder_chains): Likewise.
(fixup_fallthru_exit_predecessor): Likewise.
* cfgrtl.c (rtl_split_edge): Likewise.
(rtl_verify_flow_info): Likewise.
* function.c (thread_prologue_and_epilogue_insns): Likewise.
* gimple-pretty-print.c (dump_implicit_edges): Likewise.
* ifcvt.c (block_fallthru): Likewise.
* reload1.c (fixup_abnormal_edges): Likewise.
* sched-ebb.c (being_schedule_ready): Likewise.
(schedule_ebb): Likwise.
* sched-rgn.c (find_single_block_region): Likewise.
* sel-sched-ir.c (bb_ends_ebb_p): Likewise.
* tree-complex.c (expand_complex_move): Likewise.
* sched-int.h (find_fallthru_edge): Rename to...
(find_fallthru_edge_from): ...this.
* haifa-sched.c (find_fallthru_edge): Rename to...
(find_fallthru_edge_from): ...this. Use new find_fallthru_edge.
(init_before_recovery): Call find_fallthru_edge_from.
* sel-sched-ir.c (merge_fences): Likewise.
* sel-sched.c (in_fallthru_bb_p): Likewise.
(move_cond_jump): Likewise.
From-SVN: r165748
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PR44374)
PR rtl-optimization/45792
* cfgcleanup.c (try_head_merge_bb): New rtx vector nextptr.
If not all insns are to be merged, for each edge, stash the
next candidate after the to-be-merged insns before doing the
merge, and use them for the retry at the new insertion point.
Handle CC0 targets when retrying.
Co-Authored-By: Bernd Schmidt <bernds@codesourcery.com>
From-SVN: r164663
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end of a block if it occurs at a DEBUG_INSN.
* cfgcleanup.c (flow_find_head_matching_sequence): Terminate when
reaching the end of a block if it occurs at a DEBUG_INSN.
From-SVN: r164589
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PR rtl-optimization/44374
* basic-block.h (enum bb_flags): Add BB_MODIFIED.
* df-core.c (df_set_bb_dirty): Set it.
* ifcvt.c (find_memory): Remove function.
(dead_or_predicable): Use can_move_insns_across.
* df.h (can_move_insns_across): Declare function.
* cfgcleanup.c (block_was_dirty): New static variable.
(try_crossjump_bb, try_forward_edges): Test BB_MODIFIED flag rather
than df_get_bb_dirty.
(try_head_merge_bb): New static function.
(try_optimize_cfg): Call it. Call df_analyze if block_was_dirty
is set.
* df-problems.c: Include "target.h"
(df_simulate_find_uses): New static function.
(MEMREF_NORMAL, MEMREF_VOLATILE): New macros.
(find_memory, find_memory_store): New static functions.
(can_move_insns_across): New function.
* Makefile.in (df-problems.o): Update dependencies.
testsuite/
PR rtl-optimization/44374
* gcc.target/arm/headmerge-1.c: New test.
* gcc.target/arm/headmerge-2.c: New test.
* gcc.target/i386/headmerge-1.c: New test.
* gcc.target/i386/headmerge-2.c: New test.
From-SVN: r164552
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2010-07-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
* toplev.h: Do not include diagnostic-core.h.
Include diagnostic-core.h in every file that includes toplev.h.
* c-tree.h: Do not include toplev.h.
* pretty-print.h: Update comment.
* Makefile.in: Update dependencies.
* alias.c: Include diagnostic-core.h in every file that includes
toplev.h.
* attribs.c: Likewise.
* auto-inc-dec.c: Likewise.
* bb-reorder.c: Likewise.
* bt-load.c: Likewise.
* caller-save.c: Likewise.
* calls.c: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgbuild.c: Likewise.
* cfgcleanup.c: Likewise.
* cfghooks.c: Likewise.
* cfgloop.c: Likewise.
* combine.c: Likewise.
* config/alpha/alpha.c: Likewise.
* config/arc/arc.c: Likewise.
* config/arm/arm.c: Likewise.
* config/arm/pe.c: Likewise.
* config/avr/avr.c: Likewise.
* config/bfin/bfin.c: Likewise.
* config/cris/cris.c: Likewise.
* config/crx/crx.c: Likewise.
* config/darwin-c.c: Likewise.
* config/darwin.c: Likewise.
* config/fr30/fr30.c: Likewise.
* config/frv/frv.c: Likewise.
* config/h8300/h8300.c: Likewise.
* config/host-darwin.c: Likewise.
* config/i386/i386.c: Likewise.
* config/i386/netware.c: Likewise.
* config/i386/nwld.c: Likewise.
* config/i386/winnt-cxx.c: Likewise.
* config/i386/winnt-stubs.c: Likewise.
* config/i386/winnt.c: Likewise.
* config/ia64/ia64-c.c: Likewise.
* config/ia64/ia64.c: Likewise.
* config/iq2000/iq2000.c: Likewise.
* config/lm32/lm32.c: Likewise.
* config/m32c/m32c-pragma.c: Likewise.
* config/m32c/m32c.c: Likewise.
* config/m32r/m32r.c: Likewise.
* config/m68hc11/m68hc11.c: Likewise.
* config/m68k/m68k.c: Likewise.
* config/mcore/mcore.c: Likewise.
* config/mep/mep-pragma.c: Likewise.
* config/mep/mep.c: Likewise.
* config/mmix/mmix.c: Likewise.
* config/mn10300/mn10300.c: Likewise.
* config/moxie/moxie.c: Likewise.
* config/pa/pa.c: Likewise.
* config/pdp11/pdp11.c: Likewise.
* config/picochip/picochip.c: Likewise.
* config/rs6000/rs6000-c.c: Likewise.
* config/rs6000/rs6000.c: Likewise.
* config/rx/rx.c: Likewise.
* config/s390/s390.c: Likewise.
* config/score/score.c: Likewise.
* config/score/score3.c: Likewise.
* config/score/score7.c: Likewise.
* config/sh/sh.c: Likewise.
* config/sh/symbian-base.c: Likewise.
* config/sh/symbian-c.c: Likewise.
* config/sh/symbian-cxx.c: Likewise.
* config/sol2-c.c: Likewise.
* config/sol2.c: Likewise.
* config/sparc/sparc.c: Likewise.
* config/spu/spu.c: Likewise.
* config/stormy16/stormy16.c: Likewise.
* config/v850/v850-c.c: Likewise.
* config/v850/v850.c: Likewise.
* config/vax/vax.c: Likewise.
* config/vxworks.c: Likewise.
* config/xtensa/xtensa.c: Likewise.
* convert.c: Likewise.
* cse.c: Likewise.
* cselib.c: Likewise.
* dbgcnt.c: Likewise.
* dbxout.c: Likewise.
* ddg.c: Likewise.
* dominance.c: Likewise.
* emit-rtl.c: Likewise.
* explow.c: Likewise.
* expmed.c: Likewise.
* fixed-value.c: Likewise.
* fold-const.c: Likewise.
* fwprop.c: Likewise.
* gcse.c: Likewise.
* ggc-common.c: Likewise.
* ggc-page.c: Likewise.
* ggc-zone.c: Likewise.
* gimple-low.c: Likewise.
* gimplify.c: Likewise.
* graph.c: Likewise.
* haifa-sched.c: Likewise.
* ifcvt.c: Likewise.
* implicit-zee.c: Likewise.
* integrate.c: Likewise.
* ira-build.c: Likewise.
* ira-color.c: Likewise.
* ira-conflicts.c: Likewise.
* ira-costs.c: Likewise.
* ira-lives.c: Likewise.
* ira.c: Likewise.
* lists.c: Likewise.
* loop-doloop.c: Likewise.
* loop-iv.c: Likewise.
* lto-opts.c: Likewise.
* lto-symtab.c: Likewise.
* main.c: Likewise.
* modulo-sched.c: Likewise.
* optabs.c: Likewise.
* params.c: Likewise.
* plugin.c: Likewise.
* postreload-gcse.c: Likewise.
* postreload.c: Likewise.
* predict.c: Likewise.
* profile.c: Likewise.
* real.c: Likewise.
* regcprop.c: Likewise.
* reginfo.c: Likewise.
* regmove.c: Likewise.
* reorg.c: Likewise.
* resource.c: Likewise.
* rtl.c: Likewise.
* rtlanal.c: Likewise.
* sched-deps.c: Likewise.
* sched-ebb.c: Likewise.
* sched-rgn.c: Likewise.
* sdbout.c: Likewise.
* sel-sched-dump.c: Likewise.
* sel-sched-ir.c: Likewise.
* simplify-rtx.c: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* store-motion.c: Likewise.
* targhooks.c: Likewise.
* tree-cfg.c: Likewise.
* tree-cfgcleanup.c: Likewise.
* tree-dump.c: Likewise.
* tree-eh.c: Likewise.
* tree-inline.c: Likewise.
* tree-nomudflap.c: Likewise.
* tree-object-size.c: Likewise.
* tree-optimize.c: Likewise.
* tree-outof-ssa.c: Likewise.
* tree-phinodes.c: Likewise.
* tree-profile.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-loop.c: Likewise.
* tree-ssa-structalias.c: Likewise.
* tree-ssa-uninit.c: Likewise.
* tree-ssa.c: Likewise.
* tree-vect-data-refs.c: Likewise.
* tree-vect-loop-manip.c: Likewise.
* tree-vect-loop.c: Likewise.
* tree-vect-patterns.c: Likewise.
* tree-vect-stmts.c: Likewise.
* tree-vrp.c: Likewise.
* varasm.c: Likewise.
* vec.c: Likewise.
* web.c: Likewise.
* xcoffout.c: Likewise.
c-family/
* c-common.h: Include diagnostic-core.h. Error if already
included.
* c-semantics.c: Do not define GCC_DIAG_STYLE here.
cp/
* cp-tree.h: Do not include toplev.h.
java/
* boehm.c: Include diagnostic-core.h in every file that includes
toplev.h.
* class.c: Likewise.
* constants.c: Likewise.
* decl.c: Likewise.
* except.c: Likewise.
* expr.c: Likewise.
* jcf-parse.c: Likewise.
* mangle.c: Likewise.
* mangle_name.c: Likewise.
* resource.c: Likewise.
* typeck.c: Likewise.
* verify-glue.c: Likewise.
ada/
* gcc-interface/utils.c: Include diagnostic-core.h in every file
that includes toplev.h.
lto/
* lto-coff.c: Include diagnostic-core.h in every file that
includes toplev.h.
* lto-elf.c: Likewise.
* lto-lang.c: Likewise.
* lto-macho.c: Likewise.
From-SVN: r161943
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From-SVN: r160349
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* df-core.c (df_set_blocks): Use bitmap_head instead of bitmap.
(df_compact_blocks): Likewise.
* df.h (struct df): Turn hardware_regs_used,
regular_block_artificial_uses, eh_block_artificial_uses,
insns_to_delete, insns_to_rescan, insns_to_notes_rescan into
bitmap_head.
* df-problems.c (df_lr_local_compute, df_lr_confluence_0,
df_byte_lr_alloc, df_simulate_fixup_sets): Update.
* df-scan.c (df_scan_free_internal, df_scan_alloc, df_scan_start_dump,
df_scan_blocks, df_insn_delete, df_insn_rescan,
df_insn_rescan_debug_internal, df_insn_rescan_all,
df_process_deferred_rescans, df_process_deferred_rescans,
df_notes_rescan, df_get_call_refs, df_get_call_refs,
regs_invalidated_by_call_regset, df_get_call_refs, df_bb_refs_collect,
df_record_entry_block_defs, df_record_exit_block_uses,
df_update_exit_block_uses, df_bb_verify, df_entry_block_bitmap_verify,
df_scan_verify): Update.
From-SVN: r160348
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PR middle-end/44102
* cfgcleanup.c (try_optimize_cfg): When removing trivially empty
bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
add BARRIER after previous bb if needed.
* g++.dg/ext/asmgoto1.C: New test.
From-SVN: r159495
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PR middle-end/44071
* cfglayout.c (fixup_reorder_chain): Allow asm goto to have
no fallthru edge.
* cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
optimizing away empty bb with no successors, move over its
footer chain to fallthru predecessor.
* cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
(rtl_split_edge): For asm goto call patch_jump_insn even if
splitting fallthru edge.
* c-c++-common/asmgoto-4.c: New test.
* gcc.target/i386/pr44071.c: New test.
From-SVN: r159288
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gcc/
PR target/21803
* ifcvt.c (cond_exec_process_if_block): Look for identical sequences
at the start and end of the then/else blocks, and omit them from the
conversion.
* cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
argument; all callers changed. Pass zero to old_insns_match_p instead.
(flow_find_head_matching_sequence): New function.
(old_insns_match_p): Check REG_EH_REGION notes for calls.
* basic-block.h (flow_find_cross_jump,
flow_find_head_matching_sequence): Declare functions.
gcc/testsuite/
PR target/21803
* gcc.target/arm/pr42496.c: New test.
From-SVN: r158357
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of the function)
PR debug/43051
PR debug/43092
* cselib.c (cselib_preserve_constants,
cfa_base_preserved_val): New static variables.
(preserve_only_constants): New function.
(cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
clear its REG_VALUES. If cselib_preserve_constants, don't
empty the whole hash table, but preserve there VALUEs with constants,
cfa_base_preserved_val and cfa_base_preserved_val plus constant.
(cselib_preserve_cfa_base_value): New function.
(cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
(cselib_init): Change argument to int bitfield. Set
cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
is in it.
(cselib_finish): Clear cselib_preserve_constants and
cfa_base_preserved_val.
* cselib.h (enum cselib_record_what): New enum.
(cselib_init): Change argument to int.
(cselib_preserve_cfa_base_value): New prototype.
* postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
* dse.c (dse_step1): Likewise.
* cfgcleanup.c (thread_jump): Likewise.
* sched-deps.c (sched_analyze): Likewise.
* gcse.c (local_cprop_pass): Likewise.
* simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
If FN is non-NULL, call the callback always and whenever it returns
non-NULL just return that. Only do rtx_equal_p if FN is NULL.
* rtl.h (simplify_replace_fn_rtx): Add argument to callback.
* combine.c (propagate_for_debug_subst): Add old_rtx argument,
compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
* Makefile.in (var-tracking.o): Depend on $(RECOG_H).
* var-tracking.c: Include recog.h.
(bb_stack_adjust_offset): Remove.
(vt_stack_adjustments): Don't call it, instead just gather the
adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
(adjust_stack_reference): Remove.
(compute_cfa_pointer): New function.
(hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
(struct adjust_mem_data): New type.
(adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
functions.
(get_address_mode): New function.
(replace_expr_with_values): Use it.
(use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
(adjust_sets): Remove.
(add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
Use get_address_mode.
(get_adjusted_src): Remove.
(add_stores): Don't call it. Never reuse expr SET. Don't add extra
MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
(add_with_sets): Don't call adjust_sets.
(fp_setter, vt_init_cfa_base): New functions.
(vt_initialize): Change return type to bool. Move most of pool etc.
initialization to the beginning of the function from end. Pass
CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
If !frame_pointer_needed, call vt_stack_adjustment before mos
vector is filled, call vt_init_cfa_base if argp/framep has been
eliminated to sp. If frame_pointer_needed and argp/framep has
been eliminated to hard frame pointer, set
hard_frame_pointer_adjustment and call vt_init_cfa_base after
encountering fp setter in the prologue. For MO_ADJUST, call
log_op_type before pusing the op into mos vector, not afterwards.
Call adjust_insn before cselib_process_insn/add_with_sets,
call cancel_changes (0) afterwards.
(variable_tracking_main_1): Adjust for vt_initialize calling
vt_stack_adjustments and returning whether it succeeded or not.
* gcc.dg/guality/pr43051-1.c: New test.
From-SVN: r157476
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PR bootstrap/41345
* cfgcleanup.c (trivially_empty_bb_p): New function.
(try_optimize_bb): Use it instead of checking BB_HEAD == BB_END.
* gcc.dg/pr41345.c: New test.
From-SVN: r153569
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gcc/ChangeLog:
* doc/invoke.texi (-fvar-tracking-assignments): New.
(-fvar-tracking-assignments-toggle): New.
(-fdump-final-insns=file): Mark filename as optional.
(--param min-nondebug-insn-uid): New.
(-gdwarf-@{version}): Mention version 4.
* opts.c (common_handle_option): Accept it.
* tree-vrp.c (find_assert_locations_1): Skip debug stmts.
* regrename.c (regrename_optimize): Drop last. Don't count debug
insns as uses. Don't reject change because of debug insn.
(do_replace): Reject DEBUG_INSN as chain starter. Take base_regno
from the chain starter, and check for inexact matches in
DEBUG_INSNS.
(scan_rtx_reg): Accept inexact matches in DEBUG_INSNs.
(build_def_use): Simplify and fix the marking of DEBUG_INSNs.
* sched-ebb.c (schedule_ebbs): Skip boundary debug insns.
* fwprop.c (forward_propagate_and_simplify): ...into debug insns.
* doc/gimple.texi (is_gimple_debug): New.
(gimple_debug_bind_p): New.
(is_gimple_call, gimple_assign_cast_p): End sentence with period.
* doc/install.texi (bootstrap-debug): More details.
(bootstrap-debug-big, bootstrap-debug-lean): Document.
(bootstrap-debug-lib): More details.
(bootstrap-debug-ckovw): Update.
(bootstrap-time): New.
* tree-into-ssa.c (mark_def_sites): Skip debug stmts.
(insert_phi_nodes_for): Insert debug stmts.
(rewrite_stmt): Take iterator. Insert debug stmts.
(rewrite_enter_block): Adjust.
(maybe_replace_use_in_debug_stmt): New.
(rewrite_update_stmt): Use it.
(mark_use_interesting): Return early for debug stmts.
* tree-ssa-loop-im.c (rewrite_bittest): Propagate DEFs into debug
stmts before replacing stmt.
(move_computations_stmt): Likewise.
* ira-conflicts.c (add_copies): Skip debug insns.
* regstat.c (regstat_init_n_sets_and_refs): Discount debug insns.
(regstat_bb_compute_ri): Skip debug insns.
* tree-ssa-threadupdate.c (redirection_block_p): Skip debug stmts.
* tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
check_loop_closed_ssa_stmt): Skip debug stmts.
* tree-tailcall.c (find_tail_calls): Likewise.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
* tree.h (MAY_HAVE_DEBUG_STMTS): New.
(build_var_debug_value_stat): Declare.
(build_var_debug_value): Define.
(target_for_debug_bind): Declare.
* reload.c (find_equiv_reg): Skip debug insns.
* rtlanal.c (reg_used_between_p): Skip debug insns.
(side_effects_p): Likewise.
(canonicalize_condition): Likewise.
* ddg.c (create_ddg_dep_from_intra_loop_link): Check that non-debug
insns never depend on debug insns.
(create_ddg_dep_no_link): Likewise.
(add_cross_iteration_register_deps): Use ANTI_DEP for debug insns.
Don't add inter-loop dependencies for debug insns.
(build_intra_loop_deps): Likewise.
(create_ddg): Count debug insns.
* ddg.h (struct ddg::num_debug): New.
(num_backargs): Pair up with previous int field.
* diagnostic.c (diagnostic_report_diagnostic): Skip notes on
-fcompare-debug-second.
* final.c (get_attr_length_1): Skip debug insns.
(rest_of_clean-state): Don't dump CFA_RESTORE_STATE.
* gcc.c (invoke_as): Call compare-debug-dump-opt.
(driver_self_specs): Map -fdump-final-insns to
-fdump-final-insns=..
(get_local_tick): New.
(compare_debug_dump_opt_spec_function): Test for . argument and
compute output name. Compute temp output spec without flag name.
Compute -frandom-seed.
(OPT): Undef after use.
* cfgloopanal.c (num_loop_insns): Skip debug insns.
(average_num_loop_insns): Likewise.
* params.h (MIN_NONDEBUG_INSN_UID): New.
* gimple.def (GIMPLE_DEBUG): New.
* ipa-reference.c (scan_stmt_for_static_refs): Skip debug stmts.
* auto-inc-dec.c (merge_in_block): Skip debug insns.
(merge_in_block): Fix whitespace.
* toplev.c (flag_var_tracking): Update comment.
(flag_var_tracking_assignments): New.
(flag_var_tracking_assignments_toggle): New.
(process_options): Don't open final insns dump file if we're not
going to write to it. Compute defaults for var_tracking.
* df-scan.c (df_insn_rescan_debug_internal): New.
(df_uses_record): Handle debug insns.
* haifa-sched.c (ready): Initialize n_debug.
(contributes_to_priority): Skip debug insns.
(dep_list_size): New.
(priority): Use it.
(rank_for_schedule): Likewise. Schedule debug insns as soon as
they're ready. Disregard previous debug insns to make decisions.
(queue_insn): Never queue debug insns.
(ready_add, ready_remove_first, ready_remove): Count debug insns.
(schedule_insn): Don't reject debug insns because of issue rate.
(get_ebb_head_tail, no_real_insns_p): Skip boundary debug insns.
(queue_to_ready): Skip and discount debug insns.
(choose_ready): Let debug insns through.
(schedule_block): Check boundary debug insns. Discount debug
insns, schedule them early. Adjust whitespace.
(set_priorities): Check for boundary debug insns.
(add_jump_dependencies): Use dep_list_size.
(prev_non_location_insn): New.
(check_cfg): Use it.
* tree-ssa-loop-ivopts.c (find-interesting_users): Skip debug
stmts.
(remove_unused_ivs): Reset debug stmts.
* modulo-sched.c (const_iteration_count): Skip debug insns.
(res_MII): Discount debug insns.
(loop_single_full_bb_p): Skip debug insns.
(sms_schedule): Likewise.
(sms_schedule_by_order): Likewise.
(ps_has_conflicts): Likewise.
* caller-save.c (refmarker_fn): New.
(save_call_clobbered_regs): Replace regs with saved mem in
debug insns.
(mark_referenced_regs): Take pointer, mark and arg. Adjust.
Call refmarker_fn mark for hardregnos.
(mark_reg_as_referenced): New.
(replace_reg_with_saved_mem): New.
* ipa-pure-const.c (check_stmt): Skip debug stmts.
* cse.c (cse_insn): Canonicalize debug insns. Skip them when
searching back.
(cse_extended_basic_block): Skip debug insns.
(count_reg_usage): Likewise.
(is_dead_reg): New, split out of...
(set_live_p): ... here.
(insn_live_p): Use it for debug insns.
* tree-stdarg.c (check_all_va_list_escapes): Skip debug stmts.
(execute_optimize_stdarg): Likewise.
* tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
* tree-ssa-propagate.c (substitute_and_fold): Don't regard
changes in debug stmts as changes.
* sel-sched.c (moving_insn_creates_bookkeeping_block_p): New.
(moveup_expr): Don't move across debug insns. Don't move
debug insn if it would create a bookkeeping block.
(moveup_expr_cached): Don't use cache for debug insns that
are heads of blocks.
(compute_av_set_inside_bb): Skip debug insns.
(sel_rank_for_schedule): Schedule debug insns first. Remove
dead code.
(block_valid_for_bookkeeping_p); Support lax searches.
(create_block_for_bookkeeping): Adjust block numbers when
encountering debug-only blocks.
(find_place_for_bookkeeping): Deal with debug-only blocks.
(generate_bookkeeping_insn): Accept no place to insert.
(remove_temp_moveop_nops): New argument full_tidying.
(prepare_place_to_insert): Deal with debug insns.
(advance_state_on_fence): Debug insns don't start cycles.
(update_boundaries): Take fence as argument. Deal with
debug insns.
(schedule_expr_on_boundary): No full_tidying on debug insns.
(fill_insns): Deal with debug insns.
(track_scheduled_insns_and_blocks): Don't count debug insns.
(need_nop_to_preserve_insn_bb): New, split out of...
(remove_insn_from_stream): ... this.
(fur_orig_expr_not_found): Skip debug insns.
* rtl.def (VALUE): Move up.
(DEBUG_INSN): New.
* tree-ssa-sink.c (all_immediate_uses_same_place): Skip debug
stmts.
(nearest_common_dominator_of_uses): Take debug_stmts argument.
Set it if debug stmts are found.
(statement_sink_location): Skip debug stmts. Propagate
moving defs into debug stmts.
* ifcvt.c (first_active_insn): Skip debug insns.
(last_active_insns): Likewise.
(cond_exec_process_insns): Likewise.
(noce_process_if_block): Likewise.
(check_cond_move_block): Likewise.
(cond_move_convert_if_block): Likewise.
(block_jumps_and_fallthru_p): Likewise.
(dead_or_predicable): Likewise.
* dwarf2out.c (debug_str_hash_forced): New.
(find_AT_string): Add comment.
(gen_label_for_indirect_string): New.
(get_debug_string_label): New.
(AT_string_form): Use it.
(mem_loc_descriptor): Handle non-TLS symbols. Handle MINUS , DIV,
MOD, AND, IOR, XOR, NOT, ABS, NEG, and CONST_STRING. Accept but
discard COMPARE, IF_THEN_ELSE, ROTATE, ROTATERT, TRUNCATE and
several operations that cannot be represented with DWARF opcodes.
(loc_descriptor): Ignore SIGN_EXTEND and ZERO_EXTEND. Require
dwarf_version 4 for DW_OP_implicit_value and DW_OP_stack_value.
(dwarf2out_var_location): Take during-call mark into account.
(output_indirect_string): Update comment. Output if there are
label and references.
(prune_indirect_string): New.
(prune_unused_types): Call it if debug_str_hash_forced.
More in dwarf2out.c, from Jakub Jelinek <jakub@redhat.com>:
(dw_long_long_const): Remove.
(struct dw_val_struct): Change val_long_long type to rtx.
(print_die, attr_checksum, same_dw_val_p, loc_descriptor): Adjust for
val_long_long change to CONST_DOUBLE rtx from a long hi/lo pair.
(output_die): Likewise. Use HOST_BITS_PER_WIDE_INT size of each
component instead of HOST_BITS_PER_LONG.
(output_loc_operands): Likewise. For const8* assert
HOST_BITS_PER_WIDE_INT rather than HOST_BITS_PER_LONG is >= 64.
(output_loc_operands_raw): For const8* assert HOST_BITS_PER_WIDE_INT
rather than HOST_BITS_PER_LONG is >= 64.
(add_AT_long_long): Remove val_hi and val_lo arguments, add
val_const_double.
(size_of_die): Use HOST_BITS_PER_WIDE_INT size multiplier instead of
HOST_BITS_PER_LONG for dw_val_class_long_long.
(add_const_value_attribute): Adjust add_AT_long_long caller. Don't
handle TLS SYMBOL_REFs. If CONST wraps a constant, tail recurse.
(dwarf_stack_op_name): Handle DW_OP_implicit_value and
DW_OP_stack_value.
(size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
Handle DW_OP_implicit_value.
(extract_int): Move prototype earlier.
(mem_loc_descriptor): For SUBREG punt if inner
mode size is wider than DWARF2_ADDR_SIZE. Handle SIGN_EXTEND
and ZERO_EXTEND by DW_OP_shl and DW_OP_shr{a,}. Handle
EQ, NE, GT, GE, LT, LE, GTU, GEU, LTU, LEU, SMIN, SMAX, UMIN,
UMAX, SIGN_EXTRACT, ZERO_EXTRACT.
(loc_descriptor): Compare mode size with DWARF2_ADDR_SIZE
instead of Pmode size.
(loc_descriptor): Add MODE argument. Handle CONST_INT, CONST_DOUBLE,
CONST_VECTOR, CONST, LABEL_REF and SYMBOL_REF if mode != VOIDmode,
attempt to handle other expressions. Don't handle TLS SYMBOL_REFs.
(concat_loc_descriptor, concatn_loc_descriptor,
loc_descriptor_from_tree_1): Adjust loc_descriptor callers.
(add_location_or_const_value_attribute): Likewise. For single
location loc_lists attempt to use add_const_value_attribute
for constant decls. Add DW_AT_const_value even if
NOTE_VAR_LOCATION is VAR_LOCATION with CONSTANT_P or CONST_STRING
in its expression.
* cfgbuild.c (inside_basic_block_p): Handle debug insns.
(control_flow_insn_p): Likewise.
* tree-parloops.c (eliminate_local_variables_stmt): Handle debug
stmt.
(separate_decls_in_region_debug_bind): New.
(separate_decls_in_region): Process debug bind stmts afterwards.
* recog.c (verify_changes): Handle debug insns.
(extract_insn): Likewise.
(peephole2_optimize): Skip debug insns.
* dse.c (scan_insn): Skip debug insns.
* sel-sched-ir.c (return_nop_to_pool): Take full_tidying argument.
Pass it on.
(setup_id_for_insn): Handle debug insns.
(maybe_tidy_empty_bb): Adjust whitespace.
(tidy_control_flow): Skip debug insns.
(sel_remove_insn): Adjust for debug insns.
(sel_estimate_number_of_insns): Skip debug insns.
(create_insn_rtx_from_pattern): Handle debug insns.
(create_copy_of_insn_rtx): Likewise.
* sel-sched-.h (sel_bb_end): Declare.
(sel_bb_empty_or_nop_p): New.
(get_all_loop_exits): Use it.
(_eligible_successor_edge_p): Likewise.
(return_nop_to_pool): Adjust.
* tree-eh.c (tre_empty_eh_handler_p): Skip debug stmts.
* ira-lives.c (process_bb_node_lives): Skip debug insns.
* gimple-pretty-print.c (dump_gimple_debug): New.
(dump_gimple_stmt): Use it.
(dump_bb_header): Skip gimple debug stmts.
* regmove.c (optimize_reg_copy_1): Discount debug insns.
(fixup_match_2): Likewise.
(regmove_backward_pass): Likewise. Simplify combined
replacement. Handle debug insns.
* function.c (instantiate_virtual_regs): Handle debug insns.
* function.h (struct emit_status): Add x_cur_debug_insn_uid.
* print-rtl.h: Include cselib.h.
(print_rtx): Print VALUEs. Split out and recurse for
VAR_LOCATIONs.
* df.h (df_inns_rescan_debug_internal): Declare.
* gcse.c (alloc_hash_table): Estimate n_insns.
(cprop_insn): Don't regard debug insns as changes.
(bypass_conditional_jumps): Skip debug insns.
(one_pre_gcse_pass): Adjust.
(one_code_hoisting_pass): Likewise.
(compute_ld_motion_mems): Skip debug insns.
(one_cprop_pass): Adjust.
* tree-if-conv.c (tree_if_convert_stmt): Reset debug stmts.
(if_convertible_stmt_p): Handle debug stmts.
* init-regs.c (initialize_uninitialized_regs): Skip debug insns.
* tree-vect-loop.c (vect_is_simple_reduction): Skip debug stmts.
* ira-build.c (create_bb_allocnos): Skip debug insns.
* tree-flow-inline.h (has_zero_uses): Discount debug stmts.
(has_single_use): Likewise.
(single_imm_use): Likewise.
(num_imm_uses): Likewise.
* tree-ssa-phiopt.c (empty_block_p): Skip debug stmts.
* tree-ssa-coalesce.c (build_ssa_conflict_graph): Skip debug stmts.
(create_outofssa_var_map): Likewise.
* lower-subreg.c (adjust_decomposed_uses): New.
(resolve_debug): New.
(decompose_multiword_subregs): Use it.
* tree-dfa.c (find_referenced_vars): Skip debug stmts.
* emit-rtl.c: Include params.h.
(cur_debug_insn_uid): Define.
(set_new_first_and_last_insn): Set cur_debug_insn_uid too.
(copy_rtx_if_shared_1): Handle debug insns.
(reset_used_flags): Likewise.
(set_used_flags): LIkewise.
(get_max_insn_count): New.
(next_nondebug_insn): New.
(prev_nondebug_insn): New.
(make_debug_insn_raw): New.
(emit_insn_before_noloc): Handle debug insns.
(emit_jump_insn_before_noloc): Likewise.
(emit_call_insn_before_noloc): Likewise.
(emit_debug_insn_before_noloc): New.
(emit_insn_after_noloc): Handle debug insns.
(emit_jump_insn_after_noloc): Likewise.
(emit_call_insn_after_noloc): Likewise.
(emit_debug_insn_after_noloc): Likewise.
(emit_insn_after): Take loc from earlier non-debug insn.
(emit_jump_insn_after): Likewise.
(emit_call_insn_after): Likewise.
(emit_debug_insn_after_setloc): New.
(emit_debug_insn_after): New.
(emit_insn_before): Take loc from later non-debug insn.
(emit_jump_insn_before): Likewise.
(emit_call_insn_before): Likewise.
(emit_debug_insn_before_setloc): New.
(emit_debug_insn_before): New.
(emit_insn): Handle debug insns.
(emit_debug_insn): New.
(emit_jump_insn): Handle debug insns.
(emit_call_insn): Likewise.
(emit): Likewise.
(init_emit): Take min-nondebug-insn-uid into account.
Initialize cur_debug_insn_uid.
(emit_copy_of_insn_after): Handle debug insns.
* cfgexpand.c (gimple_assign_rhs_to_tree): Do not overwrite
location of single rhs in place.
(maybe_dump_rtl_for_gimple_stmt): Dump lineno.
(floor_sdiv_adjust): New.
(cell_sdiv_adjust): New.
(cell_udiv_adjust): New.
(round_sdiv_adjust): New.
(round_udiv_adjust): New.
(wrap_constant): Moved from cselib.
(unwrap_constant): New.
(expand_debug_expr): New.
(expand_debug_locations): New.
(expand_gimple_basic_block): Drop hiding redeclaration. Expand
debug bind stmts.
(gimple_expand_cfg): Expand debug locations.
* cselib.c: Include tree-pass.h.
(struct expand_value_data): New.
(cselib_record_sets_hook): New.
(PRESERVED_VALUE_P, LONG_TERM_PRESERVED_VALUE_P): New.
(cselib_clear_table): Move, and implemnet in terms of...
(cselib_reset_table_with_next_value): ... this.
(cselib_get_next_unknown_value): New.
(discard_useless_locs): Don't discard preserved values.
(cselib_preserve_value): New.
(cselib_preserved_value_p): New.
(cselib_preserve_definitely): New.
(cselib_clear_preserve): New.
(cselib_preserve_only_values): New.
(new_cselib_val): Take rtx argument. Dump it in details.
(cselib_lookup_mem): Adjust.
(expand_loc): Take regs_active in struct. Adjust. Silence
dumps unless details are requested.
(cselib_expand_value_rtx_cb): New.
(cselib_expand_value_rtx): Rename and reimplment in terms of...
(cselib_expand_value_rtx_1): ... this. Adjust. Silence dumps
without details. Copy more subregs. Try to resolve values
using a callback. Wrap constants.
(cselib_subst_to_values): Adjust.
(cselib_log_lookup): New.
(cselib_lookup): Call it.
(cselib_invalidate_regno): Don't count preserved values as
useless.
(cselib_invalidate_mem): Likewise.
(cselib_record_set): Likewise.
(struct set): Renamed to cselib_set, moved to cselib.h.
(cselib_record_sets): Adjust. Call hook.
(cselib_process_insn): Reset table when it would be cleared.
(dump_cselib_val): New.
(dump_cselib_table): New.
* tree-cfgcleanup.c (tree_forwarded_block_p): Skip debug stmts.
(remove_forwarder_block): Support moving debug stmts.
* cselib.h (cselib_record_sets_hook): Declare.
(cselib_expand_callback): New type.
(cselib_expand_value_rtx_cb): Declare.
(cselib_reset_table_with_next_value): Declare.
(cselib_get_next_unknown_value): Declare.
(cselib_preserve_value): Declare.
(cselib_preserved_value_p): Declare.
(cselib_preserve_only_values): Declare.
(dump_cselib_table): Declare.
* cfgcleanup.c (flow_find_cross_jump): Skip debug insns.
(try_crossjump_to_edge): Likewise.
(delete_unreachable_blocks): Remove dominant GIMPLE blocks after
dominated blocks when debug stmts are present.
* simplify-rtx.c (delegitimize_mem_from_attrs): New.
* tree-ssa-live.c (remove_unused_locals): Skip debug stmts.
(set_var_live_on_entry): Likewise.
* loop-invariant.c (find_invariants_bb): Skip debug insns.
* cfglayout.c (curr_location, last_location): Make static.
(set_curr_insn_source_location): Don't avoid bouncing.
(get_curr_insn_source_location): New.
(get_curr_insn_block): New.
(duplicate_insn_chain): Handle debug insns.
* tree-ssa-forwprop.c (forward_propagate_addr_expr): Propagate
into debug stmts.
* common.opt (fcompare-debug): Move to sort order.
(fdump-unnumbered-links): Likewise.
(fvar-tracking-assignments): New.
(fvar-tracking-assignments-toggle): New.
* tree-ssa-dce.c (mark_stmt_necessary): Don't mark blocks
because of debug stmts.
(mark_stmt_if_obviously_necessary): Mark debug stmts.
(eliminate_unnecessary_stmts): Walk dominated blocks before
dominators.
* tree-ssa-ter.c (find_replaceable_in_bb): Skip debug stmts.
* ira.c (memref_used_between_p): Skip debug insns.
(update_equiv_regs): Likewise.
* sched-deps.c (sd_lists_size): Accept empty list.
(sd_init_insn): Mark debug insns.
(sd_finish_insn): Unmark them.
(sd_add_dep): Reject non-debug deps on debug insns.
(fixup_sched_groups): Give debug insns group treatment.
Skip debug insns.
(sched_analyze_reg): Don't mark debug insns for sched before call.
(sched_analyze_2): Handle debug insns.
(sched_analyze_insn): Compute next non-debug insn. Handle debug
insns.
(deps_analyze_insn): Handle debug insns.
(deps_start_bb): Skip debug insns.
(init_deps): Initialize last_debug_insn.
* tree-ssa.c (target_for_debug_bind): New.
(find_released_ssa_name): New.
(propagate_var_def_into_debug_stmts): New.
(propagate_defs_into_debug_stmts): New.
(verify_ssa): Skip debug bind stmts without values.
(warn_uninialized_vars): Skip debug stmts.
* target-def.h (TARGET_DELEGITIMIZE_ADDRESS): Set default.
* rtl.c (rtx_equal_p_cb): Handle VALUEs.
(rtx_equal_p): Likewise.
* ira-costs.c (scan_one_insn): Skip debug insns.
(process_bb_node_for_hard_reg_moves): Likewise.
* rtl.h (DEBUG_INSN_P): New.
(NONDEBUG_INSN_P): New.
(MAY_HAVE_DEBUG_INSNS): New.
(INSN_P): Accept debug insns.
(RTX_FRAME_RELATED_P): Likewise.
(INSN_DELETED_P): Likewise
(PAT_VAR_LOCATION_DECL): New.
(PAT_VAR_LOCATION_LOC): New.
(PAT_VAR_OCATION_STATUS): New.
(NOTE_VAR_LOCATION_DECL): Reimplement.
(NOTE_VAR_LOCATION_LOC): Likewise.
(NOTE_VAR_LOCATION_STATUS): Likewise.
(INSN_VAR_LOCATION): New.
(INSN_VAR_LOCATION_DECL): New.
(INSN_VAR_LOCATION_LOC): New.
(INSN_VAR_LOCATION_STATUS): New.
(gen_rtx_UNKNOWN_VAR_LOC): New.
(VAR_LOC_UNKNOWN_P): New.
(NOTE_DURING_CALL_P): New.
(SCHED_GROUP_P): Accept debug insns.
(emit_debug_insn_before): Declare.
(emit_debug_insn_before_noloc): Declare.
(emit_debug_insn_beore_setloc): Declare.
(emit_debug_insn_after): Declare.
(emit_debug_insn_after_noloc): Declare.
(emit_debug_insn_after_setloc): Declare.
(emit_debug_insn): Declare.
(make_debug_insn_raw): Declare.
(prev_nondebug_insn): Declare.
(next_nondebug_insn): Declare.
(delegitimize_mem_from_attrs): Declare.
(get_max_insn_count): Declare.
(wrap_constant): Declare.
(unwrap_constant): Declare.
(get_curr_insn_source_location): Declare.
(get_curr_insn_block): Declare.
* tree-inline.c (insert_debug_decl_map): New.
(processing_debug_stmt): New.
(remap_decl): Don't create new mappings in debug stmts.
(remap_gimple_op_r): Don't add references in debug stmts.
(copy_tree_body_r): Likewise.
(remap_gimple_stmt): Handle debug bind stmts.
(copy_bb): Skip debug stmts.
(copy_edges_for_bb): Likewise.
(copy_debug_stmt): New.
(copy_debug_stmts): New.
(copy_body): Copy debug stmts at the end.
(insert_init_debug_bind): New.
(insert_init_stmt): Take id. Skip and emit debug stmts.
(setup_one_parameter): Remap variable earlier, register debug
mapping.
(estimate_num_insns): Skip debug stmts.
(expand_call_inline): Preserve debug_map.
(optimize_inline_calls): Check for no debug_stmts left-overs.
(unsave_expr_now): Preserve debug_map.
(copy_gimple_seq_and_replace_locals): Likewise.
(tree_function_versioning): Check for no debug_stmts left-overs.
Init and destroy debug_map as needed. Split edges unconditionally.
(build_duplicate_type): Init and destroy debug_map as needed.
* tree-inline.h: Include gimple.h instead of pointer-set.h.
(struct copy_body_data): Add debug_stmts and debug_map.
* sched-int.h (struct ready_list): Add n_debug.
(struct deps): Add last_debug_insn.
(DEBUG_INSN_SCHED_P): New.
(BOUNDARY_DEBUG_INSN_P): New.
(SCHEDULE_DEBUG_INSN_P): New.
(sd_iterator_cond): Accept empty list.
* combine.c (create_log_links): Skip debug insns.
(combine_instructions): Likewise.
(cleanup_auto_inc_dec): New. From Jakub Jelinek: Make sure the
return value is always unshared.
(struct rtx_subst_pair): New.
(auto_adjust_pair): New.
(propagate_for_debug_subst): New.
(propagate_for_debug): New.
(try_combine): Skip debug insns. Propagate removed defs into
debug insns.
(next_nonnote_nondebug_insn): New.
(distribute_notes): Use it. Skip debug insns.
(distribute_links): Skip debug insns.
* tree-outof-ssa.c (set_location_for_edge): Likewise.
* resource.c (mark_target_live_regs): Likewise.
* var-tracking.c: Include cselib.h and target.h.
(enum micro_operation_type): Add MO_VAL_USE, MO_VAL_LOC, and
MO_VAL_SET.
(micro_operation_type_name): New.
(enum emit_note_where): Add EMIT_NOTE_AFTER_CALL_INSN.
(struct micro_operation_def): Update comments.
(decl_or_value): New type. Use instead of decls.
(struct emit_note_data_def): Add vars.
(struct attrs_def): Use decl_or_value.
(struct variable_tracking_info_def): Add permp, flooded.
(struct location_chain_def): Update comment.
(struct variable_part_def): Use decl_or_value.
(struct variable_def): Make var_part a variable length array.
(valvar_pool): New.
(scratch_regs): New.
(cselib_hook_called): New.
(dv_is_decl_p): New.
(dv_is_value_p): New.
(dv_as_decl): New.
(dv_as_value): New.
(dv_as_opaque): New.
(dv_onepart_p): New.
(dv_pool): New.
(IS_DECL_CODE): New.
(check_value_is_not_decl): New.
(dv_from_decl): New.
(dv_from_value): New.
(dv_htab_hash): New.
(variable_htab_hash): Use it.
(variable_htab_eq): Support values.
(variable_htab_free): Free from the right pool.
(attrs_list_member, attrs_list_insert): Use decl_or_value.
(attrs_list_union): Adjust.
(attrs_list_mpdv_union): New.
(tie_break_pointers): New.
(canon_value_cmp): New.
(unshare_variable): Return possibly-modified slot.
(vars_copy_1): Adjust.
(var_reg_decl_set): Adjust. Split out of...
(var_reg_set): ... this.
(get_init_value): Adjust.
(var_reg_delete_and_set): Adjust.
(var_reg_delete): Adjust.
(var_regno_delete): Adjust.
(var_mem_decl_set): Split out of...
(var_mem_set): ... this.
(var_mem_delete_and_set): Adjust.
(var_mem_delete): Adjust.
(val_store): New.
(val_reset): New.
(val_resolve): New.
(variable_union): Adjust. Speed up merge of 1-part vars.
(variable_canonicalize): Use unshared slot.
(VALUED_RECURSED_INTO): New.
(find_loc_in_1pdv): New.
(struct dfset_merge): New.
(insert_into_intersection): New.
(intersect_loc_chains): New.
(loc_cmp): New.
(canonicalize_loc_order_check): New.
(canonicalize_values_mark): New.
(canonicalize_values_star): New.
(variable_merge_over_cur): New.
(variable_merge_over_src): New.
(dataflow_set_merge): New.
(dataflow_set_equiv_regs): New.
(remove_duplicate_values): New.
(struct dfset_post_merge): New.
(variable_post_merge_new_vals): New.
(variable_post_merge_perm_vals): New.
(dataflow_post_merge_adjust): New.
(find_mem_expr_in_1pdv): New.
(dataflow_set_preserve_mem_locs): New.
(dataflow_set_remove_mem_locs): New.
(dataflow_set_clear_at_call): New.
(onepart_variable_different_p): New.
(variable_different_p): Use it.
(dataflow_set_different_1): Adjust. Make detailed dump
more verbose.
(track_expr_p): Add need_rtl parameter. Don't generate rtl
if not needed.
(track_loc_p): Pass it true.
(struct count_use_info): New.
(find_use_val): New.
(replace_expr_with_values): New.
(log_op_type): New.
(use_type): New, partially split out of...
(count_uses): ... this. Count new micro-ops.
(count_uses_1): Adjust.
(count_stores): Adjust.
(count_with_sets): New.
(VAL_NEEDS_RESOLUTION): New.
(VAL_HOLDS_TRACK_EXPR): New.
(VAL_EXPR_IS_COPIED): New.
(VAL_EXPR_IS_CLOBBERED): New.
(add_uses): Adjust. Generate new micro-ops.
(add_uses_1): Adjust.
(add_stores): Generate new micro-ops.
(add_with_sets): New.
(find_src_status): Adjust.
(find_src_set_src): Adjust.
(compute_bb_dataflow): Use dataflow_set_clear_at_call.
Handle new micro-ops. Canonicalize value equivalances.
(vt_find_locations): Compute total size of hash tables for
dumping. Perform merge for var-tracking-assignments. Don't
disregard single-block loops.
(dump_attrs_list): Handle decl_or_value.
(dump_variable): Take variable. Deal with decl_or_value.
(dump_variable_slot): New.
(dump_vars): Use it.
(dump_dataflow_sets): Adjust.
(set_slot_part): New, extended to support one-part variables
after splitting out of...
(set_variable_part): ... this.
(clobber_slot_part): New, split out of...
(clobber_variable_part): ... this.
(delete_slot_part): New, split out of...
(delete_variable_part): .... this.
(check_wrap_constant): New.
(vt_expand_loc_callback): New.
(vt_expand_loc): New.
(emit_note_insn_var_location): Adjust. Handle values. Handle
EMIT_NOTE_AFTER_CALL_INSN.
(emit_notes_for_differences_1): Adjust. Handle values.
(emit_notes_for_differences_2): Likewise.
(emit_notes_for_differences): Adjust.
(emit_notes_in_bb): Take pointer to set. Emit AFTER_CALL_INSN
notes. Adjust. Handle new micro-ops.
(vt_add_function_parameters): Adjust. Create and bind values.
(vt_initialize): Adjust. Initialize scratch_regs and
valvar_pool, flooded and perm.. Initialize and use cselib. Log
operations. Move some code to count_with_sets and add_with_sets.
(delete_debug_insns): New.
(vt_debug_insns_local): New.
(vt_finalize): Release permp, valvar_pool, scratch_regs. Finish
cselib.
(var_tracking_main): If var-tracking-assignments is enabled
but var-tracking isn't, delete debug insns and leave. Likewise
if we exceed limits or fail the stack adjustments tests, and
after all var-tracking processing.
More in var-tracking, from Jakub Jelinek <jakub@redhat.com>:
(dataflow_set): Add traversed_vars.
(value_chain, const_value_chain): New typedefs.
(value_chain_pool, value_chains): New variables.
(value_chain_htab_hash, value_chain_htab_eq, add_value_chain,
add_value_chains, add_cselib_value_chains, remove_value_chain,
remove_value_chains, remove_cselib_value_chains): New functions.
(shared_hash_find_slot_unshare_1, shared_hash_find_slot_1,
shared_hash_find_slot_noinsert_1, shared_hash_find_1): New
static inlines.
(shared_hash_find_slot_unshare, shared_hash_find_slot,
shared_hash_find_slot_noinsert, shared_hash_find): Update.
(dst_can_be_shared): New variable.
(unshare_variable): Unshare set->vars if shared, use shared_hash_*.
Clear dst_can_be_shared. If set->traversed_vars is non-NULL and
different from set->vars, look up slot again instead of using the
passed in slot.
(dataflow_set_init): Initialize traversed_vars.
(variable_union): Use shared_hash_*. Use initially NO_INSERT
lookup if set->vars is shared. Don't keep slot cleared before
calling unshare_variable. Unshare set->vars if needed. Adjust
unshare_variable callers. Clear dst_can_be_shared if needed.
Even ->refcount == 1 vars must be unshared if set->vars is shared
and var needs to be modified.
(dataflow_set_union): Set traversed_vars during canonicalization.
(VALUE_CHANGED, DECL_CHANGED): Define.
(set_dv_changed, dv_changed_p): New static inlines.
(track_expr_p): Clear DECL_CHANGED.
(dump_dataflow_sets): Set it.
(variable_was_changed): Call set_dv_changed.
(emit_note_insn_var_location): Likewise.
(changed_variables_stack): New variable.
(check_changed_vars_1, check_changed_vars_2): New functions.
(emit_notes_for_changes): Do nothing if changed_variables is
empty. Traverse changed_variables with check_changed_vars_1,
call check_changed_vars_2 on each changed_variables_stack entry.
(emit_notes_in_bb): Add SET argument. Just clear it at the
beginning, use it instead of local &set, don't destroy it at the
end.
(vt_emit_notes): Call dataflow_set_clear early on all
VTI(bb)->out sets, never use them, instead use emit_notes_in_bb
computed set, dataflow_set_clear also VTI(bb)->in when we are
done with the basic block. Initialize changed_variables_stack,
free it afterwards. If ENABLE_CHECKING verify that after noting
differences to an empty set value_chains hash table is empty.
(vt_initialize): Initialize value_chains and value_chain_pool.
(vt_finalize): Delete value_chains htab, free value_chain_pool.
(variable_tracking_main): Call dump_dataflow_sets before calling
vt_emit_notes, not after it.
* tree-flow.h (propagate_defs_into_debug_stmts): Declare.
(propagate_var_def_into_debug_stmts): Declare.
* df-problems.c (df_lr_bb_local_compute): Skip debug insns.
(df_set_note): Reject debug insns.
(df_whole_mw_reg_dead_p): Take added_notes_p argument. Don't
add notes to debug insns.
(df_note_bb_compute): Adjust. Likewise.
(df_simulate_uses): Skip debug insns.
(df_simulate_initialize_backwards): Likewise.
* reg-stack.c (subst_stack_regs_in_debug_insn): New.
(subst_stack_regs_pat): Reject debug insns.
(convert_regs_1): Handle debug insns.
* Makefile.in (TREE_INLINE_H): Take pointer-set.h from GIMPLE_H.
(print-rtl.o): Depend on cselib.h.
(cselib.o): Depend on TREE_PASS_H.
(var-tracking.o): Depend on cselib.h and TARGET_H.
* sched-rgn.c (rgn_estimate_number_of_insns): Discount
debug insns.
(init_ready_list): Skip boundary debug insns.
(add_branch_dependences): Skip debug insns.
(free_block_dependencies): Check for blocks with only debug
insns.
(compute_priorities): Likewise.
* gimple.c (gss_for_code): Handle GIMPLE_DEBUG.
(gimple_build_with_ops_stat): Take subcode as unsigned. Adjust
all callers.
(gimple_build_debug_bind_stat): New.
(empty_body_p): Skip debug stmts.
(gimple_has_side_effects): Likewise.
(gimple_rhs_has_side_effects): Likewise.
* gimple.h (enum gimple_debug_subcode, GIMPLE_DEBUG_BIND): New.
(gimple_build_debug_bind_stat): Declare.
(gimple_build_debug_bind): Define.
(is_gimple_debug): New.
(gimple_debug_bind_p): New.
(gimple_debug_bind_get_var): New.
(gimple_debug_bind_get_value): New.
(gimple_debug_bind_get_value_ptr): New.
(gimple_debug_bind_set_var): New.
(gimple_debug_bind_set_value): New.
(GIMPLE_DEBUG_BIND_NOVALUE): New internal temporary macro.
(gimple_debug_bind_reset_value): New.
(gimple_debug_bind_has_value_p): New.
(gsi_next_nondebug): New.
(gsi_prev_nondebug): New.
(gsi_start_nondebug_bb): New.
(gsi_last_nondebug_bb): New.
* sched-vis.c (print_pattern): Handle VAR_LOCATION.
(print_insn): Handle DEBUG_INSN.
* tree-cfg.c (remove_bb): Walk stmts backwards. Let loc
of first insn prevail.
(first_stmt): Skip debug stmts.
(first_non_label_stmt): Likewise.
(last_stmt): Likewise.
(has_zero_uses_1): New.
(single_imm_use_1): New.
(verify_gimple_debug): New.
(verify_types_in_gimple_stmt): Handle debug stmts.
(verify_stmt): Likewise.
(debug_loop_num): Skip debug stmts.
(remove_edge_and_dominated_blocks): Remove dominators last.
* tree-ssa-reasssoc.c (rewrite_expr_tree): Propagate into
debug stmts.
(linearize_expr): Likewise.
* config/i386/i386.c (ix86_delegitimize_address): Call
default implementation.
* config/ia64/ia64.c (ia64_safe_itanium_class): Handle debug
insns.
(group_barrier_needed): Skip debug insns.
(emit_insn_group_barriers): Likewise.
(emit_all_insn_group_barriers): Likewise.
(ia64_variable_issue): Handle debug insns.
(ia64_dfa_new_cycle): Likewise.
(final_emit_insn_group_barriers): Skip debug insns.
(ia64_dwarf2out_def_steady_cfa): Take frame argument. Don't
def cfa without frame.
(process_set): Likewise.
(process_for_unwind_directive): Pass frame on.
* config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
(rs6000_delegitimize_address): New.
(rs6000_debug_adjust_cost): Handle debug insns.
(is_microcoded_insn): Likewise.
(is_cracked_insn): Likewise.
(is_nonpipeline_insn): Likewise.
(insn_must_be_first_in_group): Likewise.
(insn_must_be_last_in_group): Likewise.
(force_new_group): Likewise.
* cfgrtl.c (rtl_split_block): Emit INSN_DELETED note if block
contains only debug insns.
(rtl_merge_blocks): Skip debug insns.
(purge_dead_edges): Likewise.
(rtl_block_ends_with_call_p): Skip debug insns.
* dce.c (deletable_insn_p): Handle VAR_LOCATION.
(mark_reg_dependencies): Skip debug insns.
* params.def (PARAM_MIN_NONDEBUG_INSN_UID): New.
* tree-ssanames.c (release_ssa_name): Propagate def into
debug stmts.
* tree-ssa-threadedge.c
(record_temporary_equivalences_from_stmts): Skip debug stmts.
* regcprop.c (replace_oldest_value_addr): Skip debug insns.
(replace_oldest_value_mem): Use ALL_REGS for debug insns.
(copyprop_hardreg_forward_1): Handle debug insns.
* reload1.c (reload): Skip debug insns. Replace unassigned
pseudos in debug insns with their equivalences.
(eliminate_regs_in_insn): Skip debug insns.
(emit_input_reload_insns): Skip debug insns at first, adjust
them later.
* tree-ssa-operands.c (add_virtual_operand): Reject debug stmts.
(get_indirect_ref_operands): Pass opf_no_vops on.
(get_expr_operands): Likewise. Skip debug stmts.
(parse_ssa_operands): Scan debug insns with opf_no_vops.
gcc/testsuite/ChangeLog:
* gcc.dg/guality/guality.c: New.
* gcc.dg/guality/guality.h: New.
* gcc.dg/guality/guality.exp: New.
* gcc.dg/guality/example.c: New.
* lib/gcc-dg.exp (cleanup-dump): Remove .gk files.
(cleanup-saved-temps): Likewise, .gkd files too.
gcc/cp/ChangeLog:
* cp-tree.h (TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS): New.
* cp-lang.c (cxx_dwarf_name): Pass it.
* error.c (count_non_default_template_args): Take flags as
argument. Adjust all callers. Skip counting of default
arguments if the new flag is given.
ChangeLog:
* Makefile.tpl (BUILD_CONFIG): Default to bootstrap-debug.
* Makefile.in: Rebuilt.
contrib/ChangeLog:
* compare-debug: Look for .gkd files and compare them.
config/ChangeLog:
* bootstrap-debug.mk: Add comments.
* bootstrap-debug-big.mk: New.
* bootstrap-debug-lean.mk: New.
* bootstrap-debug-ckovw.mk: Add comments.
* bootstrap-debug-lib.mk: Drop CFLAGS for stages. Use -g0
for TFLAGS in stage1. Drop -fvar-tracking-assignments-toggle.
From-SVN: r151312
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2009-07-25 David Daney <ddaney@caviumnetworks.com>
PR rtl-optimization/40445
* emit-rtl.c (next_nonnote_insn_bb): New function.
* rtl.h (next_nonnote_insn_bb): Declare new function.
* cfgcleanup.c (try_optimize_cfg): Don't remove an empty block
with no successors that is the successor of the ENTRY_BLOCK.
Continue from the top after removing an empty fallthrough block.
* cfgrtl.c (get_last_bb_insn): Call next_nonnote_insn_bb instead
of next_nonnote_insn.
2009-07-25 David Daney <ddaney@caviumnetworks.com>
PR rtl-optimization/40445
* g++.dg/other/builtin-unreachable-1.C: New testcase.
From-SVN: r150090
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2009-07-25 David Daney <ddaney@caviumnetworks.com>
* cfgcleanup.c (old_insns_match_p): Handle the case of empty
blocks.
2009-07-25 David Daney <ddaney@caviumnetworks.com>
* gcc.dg/builtin-unreachable-4.c: New test.
From-SVN: r150089
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2009-06-22 Shujing Zhao <pearly.zhao@oracle.com>
* alias.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P, CALL_P, NOTE_P and
JUMP_TABLE_DATA_P predicates where applicable.
* auto-inc-dec.c: Ditto.
* builtins.c: Ditto.
* caller-save.c: Ditto.
* calls.c: Ditto.
* cfgcleanup.c: Ditto.
* cfglayout.c: Ditto.
* cfgrtl.c: Ditto.
* combine.c: Ditto.
* combine-stack-adj.c: Ditto.
* cse.c: Ditto.
* cselib.c: Ditto.
* dbxout.c: Ditto.
* df-scan.c: Ditto.
* dse.c: Ditto.
* dwarf2asm.c: Ditto.
* dwarf2out.c: Ditto.
* emit-rtl.c: Ditto.
* except.c: Ditto.
* explow.c: Ditto.
* expmed.c: Ditto.
* expr.c: Ditto.
* final.c: Ditto.
* function.c: Ditto.
* fwprop.c: Ditto.
* gcse.c: Ditto.
* genpreds.c: Ditto.
* genrecog.c: Ditto.
* ifcvt.c: Ditto.
* ira-costs.c: Ditto.
* ira-lives.c: Ditto.
* jump.c: Ditto.
* loop-iv.c: Ditto.
* lower-subreg.c: Ditto.
* modulo-sched.c: Ditto.
* optabs.c: Ditto.
* postreload.c: Ditto.
* print-rtl.c: Ditto.
* recog.c: Ditto.
* reginfo.c: Ditto.
* regmove.c: Ditto.
* reload1.c: Ditto.
* reload.c: Ditto.
* reorg.c: Ditto.
* rtlanal.c: Ditto.
* rtl.c: Ditto.
* sched-vis.c: Ditto.
* sdbout.c: Ditto.
* sel-sched-ir.c: Ditto.
* simplify-rtx.c: Ditto.
* targhooks.c: Ditto.
* var-tracking.c: Ditto.
* vmsdbgout.c: Ditto.
From-SVN: r148786
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REG_EQUAL/REG_EQUIV notes.
* cfgcleanup.c (old_insns_match_p): Remove code to substitute
REG_EQUAL/REG_EQUIV notes.
From-SVN: r148463
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2009-06-11 David Daney <ddaney@caviumnetworks.com>
PR c/39252
* doc/extend.texi ( __builtin_unreachable): Document new builtin.
* builtins.c (expand_builtin_unreachable): New function.
(expand_builtin): Handle BUILT_IN_UNREACHABLE case.
* builtins.def (BUILT_IN_UNREACHABLE): Add new builtin.
* cfgcleanup.c (try_optimize_cfg): Delete empty blocks with no
successors.
* cfgrtl.c (rtl_verify_flow_info): Handle empty blocks when
searching for missing barriers.
2009-06-11 David Daney <ddaney@caviumnetworks.com>
PR c/39252
* gcc.dg/builtin-unreachable-1.c: New test.
* gcc.dg/builtin-unreachable-2.c: Same.
From-SVN: r148403
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* cfgcleanup.c (try_crossjump_to_edge): Only skip past
NOTE_INSN_BASIC_BLOCK.
* cfglayout.c (duplicate_insn_chain): Copy epilogue insn marks.
Duplicate NOTE_INSN_EPILOGUE_BEG notes.
* cfgrtl.c (can_delete_note_p): Allow NOTE_INSN_EPILOGUE_BEG
to be deleted.
* dwarf2out.c (struct cfa_loc): Change indirect field to bitfield,
add in_use field.
(add_cfi): Disable check redefining cfa away from drap.
(lookup_cfa_1): Add remember argument; handle remember/restore.
(lookup_cfa): Pass remember argument.
(cfa_remember): New.
(compute_barrier_args_size_1): Remove sibcall check.
(dwarf2out_frame_debug_def_cfa): New.
(dwarf2out_frame_debug_adjust_cfa): New.
(dwarf2out_frame_debug_cfa_offset): New.
(dwarf2out_frame_debug_cfa_register): New.
(dwarf2out_frame_debug_cfa_restore): New.
(dwarf2out_frame_debug): Handle REG_CFA_* notes.
(dwarf2out_begin_epilogue): New.
(dwarf2out_frame_debug_restore_state): New.
(dw_cfi_oprnd1_desc): Handle DW_CFA_remember_state,
DW_CFA_restore_state.
(output_cfi_directive): Likewise.
(convert_cfa_to_fb_loc_list): Likewise.
(dw_cfi_oprnd1_desc): Handle DW_CFA_restore.
* dwarf2out.h: Update.
* emit-rtl.c (try_split): Don't split RTX_FRAME_RELATED_P.
(copy_insn_1): Early out for null.
* final.c (final_scan_insn): Call dwarf2out_begin_epilogue
and dwarf2out_frame_debug_restore_state.
* function.c (prologue, epilogue, sibcall_epilogue): Remove.
(prologue_insn_hash, epilogue_insn_hash): New.
(free_after_compilation): Adjust freeing accordingly.
(record_insns): Create hash table if needed; push insns into
hash instead of array.
(maybe_copy_epilogue_insn): New.
(contains): Search hash table instead of array.
(sibcall_epilogue_contains): Remove.
(thread_prologue_and_epilogue_insns): Split eh_return insns
and mark them as epilogues.
(reposition_prologue_and_epilogue_notes): Rewrite epilogue
scanning in terms of basic blocks.
* insn-notes.def (CFA_RESTORE_STATE): New.
* jump.c (returnjump_p_1): Accept EH_RETURN.
(eh_returnjump_p_1, eh_returnjump_p): New.
* reg-notes.def (CFA_DEF_CFA, CFA_ADJUST_CFA, CFA_OFFSET,
CFA_REGISTER, CFA_RESTORE): New.
* rtl.def (EH_RETURN): New.
* rtl.h (eh_returnjump_p, maybe_copy_epilogue_insn): Declare.
* config/bfin/bfin.md (UNSPEC_VOLATILE_EH_RETURN): Remove.
(eh_return_internal): Use eh_return rtx; split w/ epilogue.
* config/i386/i386.c (gen_push): Update cfa state.
(pro_epilogue_adjust_stack): Add set_cfa argument. When true,
add a CFA_ADJUST_CFA note.
(ix86_dwarf_handle_frame_unspec): Remove.
(ix86_expand_prologue): Update cfa state.
(ix86_emit_restore_reg_using_pop): New.
(ix86_emit_restore_regs_using_pop): New.
(ix86_emit_leave): New.
(ix86_emit_restore_regs_using_mov): Add CFA_RESTORE notes.
(ix86_expand_epilogue): Add notes for unwinding the epilogue.
* config/i386/i386.h (struct machine_cfa_state): New.
(ix86_cfa_state): New.
* config/i386/i386.md (UNSPEC_EH_RETURN): Remove.
(eh_return_internal): Merge from eh_return_<mode>,
use eh_return rtx, split w/ epilogue.
From-SVN: r147995
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* tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
* function.h (rtl_eh): Remove exception_handler_label_map.
* except.c (ehl_hash, ehl_eq, add_ehl_entry,
remove_exception_handler_label, for_each_eh_label_1): Remove.
(rtl_remove_unreachable_regions): Remove.
(convert_from_eh_region_ranges): Do not remove unreachable regions.
(find_exception_handler_labels): Don't build the hashtable.
(maybe_remove_eh_handler): Remove.
(for_each_eh_label): Rewrite to walk the tree.
(rest_of_handle_eh): Do not cleanup cfg prior EH construction.
* except.h (maybe_remove_eh_handler): Remove.
* passes.c (init_optimization_passes): Schedule second EH cleanup
before out-of-ssa.
* cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
From-SVN: r145747
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* rtl.h (locator_eq): New decl.
* cfglayout.c (locator_scope): New function.
(insn_scope): Use it.
(locator_eq): New function.
(fixup_reorder_chain): Search for last insn in src bb
that has locator set or first insn in dest bb. Use
locator_eq instead of == to compare locators.
* cfgrtl.c (cfg_layout_merge_blocks): Likewise.
* cfgcleanup.c (try_forward_edges): Use locator_eq instead of
== to compare locators.
From-SVN: r141009
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cannot debug)
PR debug/29609
PR debug/36690
PR debug/37616
* basic-block.h (struct edge_def): Add goto_block field.
* cfglayout.c (fixup_reorder_chain): Ensure that there is at least
one insn with locus corresponding to edge's goto_locus if !optimize.
* profile.c (branch_prob): Copy edge's goto_block.
* cfgrtl.c (force_nonfallthru_and_redirect): Use goto_locus for
emitted jumps.
(cfg_layout_merge_blocks): Emit a nop with edge's goto_locus
locator in between the merged basic blocks if !optimize and needed.
* cfgexpand.c (expand_gimple_cond): Convert goto_block and
goto_locus into RTL locator. For unconditional jump use that
locator for the jump insn.
(expand_gimple_cond): Convert goto_block and goto_locus into
RTL locator for all remaining edges. For unconditional jump
use that locator for the jump insn.
* cfgcleanup.c (try_forward_edges): Avoid the optimization if
there is more than one edge or insn locator along the forwarding
edges and !optimize. If there is just one, set e->goto_locus.
* tree-cfg.c (make_cond_expr_edges, make_goto_expr_edges): Set also
edge's goto_block.
(move_block_to_fn): Adjust edge's goto_block.
* gcc.dg/debug/pr29609-1.c: New test.
* gcc.dg/debug/pr29609-2.c: New test.
* gcc.dg/debug/pr36690-1.c: New test.
* gcc.dg/debug/pr36690-2.c: New test.
* gcc.dg/debug/pr36690-3.c: New test.
* gcc.dg/debug/pr37616.c: New test.
* gcc.dg/debug/dwarf2/pr29609-1.c: New test.
* gcc.dg/debug/dwarf2/pr29609-2.c: New test.
* gcc.dg/debug/dwarf2/pr36690-1.c: New test.
* gcc.dg/debug/dwarf2/pr36690-2.c: New test.
* gcc.dg/debug/dwarf2/pr36690-3.c: New test.
* gcc.dg/debug/dwarf2/pr37616.c: New test.
From-SVN: r140948
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* loop-unswitch.c (unswitch_single_loop): Use optimize_loop_for_speed_p.
* tree-ssa-threadupdate.c (mark_threaded_blocks): Use optimize_function_for_size_p.
* tracer.c (ignore_bb_p): Use optimize_bb_for_size_p.
* postreload-gcse.c (eliminate_partially_redundant_load): Use optimize_bb_for_size_p.
* value-prof.c (gimple_divmod_fixed_value_transform,
gimple_mod_pow2_value_transform, gimple_mod_subtract_transform,
gimple_stringops_transform): Use optimize_bb_for_size_p.
* ipa-cp.c (ipcp_insert_stage): Use optimize_function_for_size_p.
* final.c (compute_alignments): Use optimize_function_for_size_p.
* builtins.c (fold_builtin_cabs): Use optimize_function_for_speed_p.
(fold_builtin_strcpy, fold_builtin_fputs): Use
optimize_function_for_size_p.
* fold-const.c (tree_swap_operands_p): Use optimize_function_for_size_p.
* recog.c (relax_delay_slots): Likewise.
* tree-ssa-math-opts.c (replace_reciprocal): Use optimize_bb_for_speed_p.
(execute_cse_reciprocals): Use optimize_bb_for_size_p.
* ipa-inline.c (cgraph_decide_recursive_inlining): Use
optimize_function_for_size_p.
(cgraph_decide_inlining_of_small_function): Use
optimize_function_for_size_p.
* global.c (find_reg): Use optimize_function_for_size_p.
* opts.c (decode_options): Do not clear flag_tree_ch, flag_inline_functions,
flag_unswitch_loops, flag_unroll_loops, flag_unroll_all_loops and
flag_prefetch_loop_arrays. Those can work it out from profile.
* tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Use
optimize_loop_for_speed_p.
* predict.c (optimize_bb_for_size_p, optimize_bb_for_speed_p): Constify
argument.
(optimize_loop_nest_for_size_p, optimize_loop_nest_for_speed_p): New.
* tree-parloops.c (parallelize_loops): Use optimize_loop_for_size_p.
* tree-eh.c (decide_copy_try_finally): Use optimize_function_for_size_p.
* local-alloc.c (block_alloc): Pass BB pointer.
(find_free_reg): Add BB pointer, use optimize_bb_for_size_p.
* gcse.c (gcse_main): Use optimize_function_for_size_p.
* loop-unroll.c (decide_unrolling_and_peeling): Use optimize_loop_for_size_p.
(decide_peel_completely): Likewise.
* tree-vect-analyze.c (vect_mark_for_runtime_alias_test): Use
optimize_loop_for_size_p.
(vect_enhance_data_refs_alignment): Likewise.
* tree-ssa-coalesce.c (coalesce_cost): Add optimize_for_size argument.
(coalesce_cost_bb, coalesce_cost_edge, create_outofssa_var_map): Update call.
* cfgcleanup.c (outgoing_edges_match): Use optimize_bb_for_speed_p.
(try_crossjump_bb): Use optimize_bb_for_size_p.
* tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
optimize_loop_for_speed_p.
* bb-reorder.c (find_traces_1_round): Likewise.
(copy_bb): Use optimize_bb_for_speed_p.
(duplicate_computed_gotos): Likewise.
* basic-block.h (optimize_loop_nest_for_size_p,
optimize_loop_nest_for_speed_p): New.
* stmt.c (expand_case): Use optimize_insn_for_size_p.
From-SVN: r139760
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gcc/
* cgraph.c: Fix typos in comments.
(cgraph_availability_names): Fix string typo.
* fold-const.c: Fix typos in comments.
(fold_binary): Fix typo in warning.
* genautomata.c: Fix typos in comments.
(check_presence_pattern_sets): Fix typo in local variable.
(output_description): Fix typo in output.
* ggc-zone.c (ggc_pch_finish): Fix typo in error message.
* hwint.h: Likewise.
* matrix-reorg.c (check_allocation_function): Likewise.
* omega.c (smooth_weird_equations): Likewise.
* auto-inc-dec.c: Fix typos in comments.
* bb-reorder.c: Likewise.
* builtins.c: Likewise.
* c-common.c: Likewise.
* c-cppbuiltin.c: Likewise.
* c-parser.c: Likewise.
* c-pretty-print.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfghooks.c: Likewise.
* cfglayout.c: Likewise.
* cfgloopmanip.c: Likewise.
* cgraphunit.c: Likewise.
* coverage.c: Likewise.
* dbxout.c: Likewise.
* df-byte-scan.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dfp.c: Likewise.
* dominance.c: Likewise.
* domwalk.c: Likewise.
* dse.c: Likewise.
* dwarf2out.c: Likewise.
* emit-rtl.c: Likewise.
* et-forest.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* gcc.c: Likewise.
* gcov-io.c: Likewise.
* gcov.c: Likewise.
* gcse.c: Likewise.
* genattrtab.c: Likewise.
* ggc-page.c: Likewise.
* gimplify.c: Likewise.
* gthr-lynx.h: Likewise.
* haifa-sched.c: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-prop.h: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-struct-reorg.c: Likewise.
* ipa-struct-reorg.h: Likewise.
* ipa-type-escape.c: Likewise.
* ipa.c: Likewise.
* loop-doloop.c: Likewise.
* mips-tfile.c: Likewise.
* mkmap-flat.awk: Likewise.
* mkmap-symver.awk: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* optabs.c: Likewise.
* optabs.h: Likewise.
* opts.c: Likewise.
* passes.c: Likewise.
* postreload-gcse.c: Likewise.
* postreload.c: Likewise.
* predict.c: Likewise.
* pretty-print.h: Likewise.
* profile.c: Likewise.
* protoize.c: Likewise.
* ra-conflict.c: Likewise.
* real.c: Likewise.
* recog.c: Likewise.
* regclass.c: Likewise.
* regs.h: Likewise.
* reload.c: Likewise.
* rtl-error.c: Likewise.
* rtlanal.c: Likewise.
* scan.h: Likewise.
* sched-rgn.c: Likewise.
* see.c: Likewise.
* stmt.c: Likewise.
* target.h: Likewise.
* tree-dfa.c: Likewise.
* tree-eh.c: Likewise.
* tree-flow-inline.h: Likewise.
* tree-inline.c: Likewise.
* tree-into-ssa.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-nested.c: Likewise.
* tree-parloops.c: Likewise.
* tree-pass.h: Likewise.
* tree-pretty-print.c: Likewise.
* tree-profile.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-alias-warnings.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-dse.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-ter.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa.c: Likewise.
* tree-vect-analyze.c: Likewise.
* tree-vect-transform.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vn.c: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tree.def: Likewise.
* tree.h: Likewise.
* unwind-dw2-fde.c: Likewise.
* unwind.inc: Likewise.
* value-prof.c: Likewise.
* vmsdbgout.c: Likewise.
From-SVN: r136425
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PR testsuite/35843
* cfgexpand.c (pass_expand): Turn into RTL pass.
* passes.c (execute_one_pass): Do pass typechecking after execution.
* tree-pass.h (pass_expand): Turn into RTL pass.
* function.h (struct rtl_data): Move here fields
accesses_prior_frames, calls_eh_return, saves_all_registers,
has_nonlocal_goto, has_asm_statement, is_thunk,
all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
arg_pointer_save_area_init from struct function; turn into bool.
(struct function): Move
calls_eh_return, saves_all_registers, has_nonlocal_goto,
has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
tail_call_emit, arg_pointer_save_area_init
into struct rtl_data. Remove recursive_call_emit and gimplified flags.
(current_function_returns_struct, current_function_returns_pcc_struct,
current_function_calls_setjmp, current_function_calls_alloca,
current_function_accesses_prior_frames,
current_function_calls_eh_return, current_function_is_thunk,
current_function_stdarg, current_function_profile,
current_function_limit_stack, current_function_uses_pic_offset_table,
current_function_uses_const_pool, current_function_has_nonlocal_label,
current_function_saves_all_registers,
current_function_has_nonlocal_goto,
current_function_has_asm_statement): Remove accesor macros.
* ra-conflict.c (global_conflicts): Update.
* tree-tailcall.c (suitable_for_tail_opt_p): Update.
(suitable_for_tail_call_opt_p): Update.
* builtins.c (expand_builtin_return_addr): Update.
(expand_builtin_setjmp_setup): Update.
(expand_builtin_nonlocal_goto): Update.
* final.c (final_start_function): Update.
(profile_function): Update.
(leaf_function_p): Update.
(only_leaf_regs_used): Update.
* df-scan.c (df_get_exit_block_use_set): Update.
* dojump.c (clear_pending_stack_adjust): Update.
* tree-stdarg.c (gate_optimize_stdarg): Update.
* gimple-low.c (lower_function_body): Update.
* global.c (compute_regsets): Update.
(global_alloc): Update.
* dwarf2out.c (dwarf2out_begin_prologue): Update.
* expr.c (expand_assignment): Update.
* dse.c (dse_step0): Update.
(dse_step1): Update.
* c-decl.c (store_parm_decls): Update.
* local-alloc.c (combine_regs): Update.
(find_free_reg): Update.
* function.c (assign_parms_augmented_arg_list): Update.
(assign_parm_find_data_types): Update.
(assign_parms): Update.
(allocate_struct_function): Update.
(expand_function_start): Update.
(expand_function_end): Update.
(get_arg_pointer_save_area): Update.
(thread_prologue_and_epilogue_insns): Update.
(rest_of_match_asm_constraints): Update.
* stor-layout.c (variable_size): Update.
* gcse.c (gcse_main): Update.
(bypass_jumps): Update.
* gimplify.c (gimplify_function_tree): Update.
* calls.c (emit_call_1): Update.
(expand_call): Update.
* bt-load.c (compute_defs_uses_and_gen): Update.
* except.c (sjlj_assign_call_site_values): Update.
(sjlj_emit_function_enter): Update.
(can_throw_external): Update.
(set_nothrow_function_flags): Update.
(expand_builtin_unwind_init): Update.
(expand_eh_return): Update.
(convert_to_eh_region_ranges): Update.
(output_function_exception_table): Update.
* emit-rtl.c (gen_tmp_stack_mem): Update.
* cfgexpand.c (expand_used_vars): Update.
(tree_expand_cfg): Update.
* cfgcleanup.c (rest_of_handle_jump): Update.
* explow.c (allocate_dynamic_stack_space): Update.
* varasm.c (assemble_start_function): Update.
(force_const_mem): Update.
(mark_constant_pool): Update.
* tree-optimize.c (tree_rest_of_compilation): Update.
* stack-ptr-mod.c (notice_stack_pointer_modification): Update.
* tree-cfg.c (notice_special_calls): Update.
(is_ctrl_altering_stmt): Update.
(tree_can_make_abnormal_goto): Update.
(tree_purge_dead_abnormal_call_edges): Update.
* config/alpha/predicates.md: Update.
* config/alpha/alpha.c (alpha_sa_mask): Update.
(alpha_sa_size): Update.
(alpha_does_function_need_gp): Update.
(alpha_expand_prologue): Update.
(alpha_start_function): Update.
(alpha_output_function_end_prologue): Update.
(alpha_expand_epilogue): Update.
* config/frv/frv.c (frv_stack_info): Update.
(frv_expand_epilogue): Update.
* config/s390/s390.c (s390_regs_ever_clobbered): Update.
(s390_register_info): Update.
(s390_frame_info): Update.
(s390_init_frame_layout): Update.
(s390_can_eliminate): Update.
(save_gprs): Update.
* config/spu/spu.c (spu_split_immediate): Update.
(need_to_save_reg): Update.
(spu_expand_prologue): Update.
(spu_expand_epilogue): Update.
* config/sparc/sparc.md: Update.
* config/sparc/sparc.c (eligible_for_return_delay): Update.
(sparc_tls_got): Update.
(legitimize_pic_address): Update.
(sparc_emit_call_insn): Update.
(sparc_expand_prologue): Update.
(output_return): Update.
(print_operand): Update.
(sparc_function_ok_for_sibcall): Update.
* config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
* config/m32r/m32r.md: Update.
* config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
(m32r_compute_frame_size): Update.
(m32r_expand_prologue): Update.
(m32r_expand_epilogue): Update.
(m32r_legitimize_pic_address): Update.
* config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
* config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
* config/i386/i386.c (ix86_frame_pointer_required): Update.
(gen_push): Update.
(ix86_save_reg): Update.
(ix86_compute_frame_layout): Update.
(ix86_expand_prologue): Update.
(ix86_expand_epilogue): Update.
* config/sh/sh.c (output_stack_adjust): Update.
(calc_live_regs): Update.
(sh5_schedule_saves): Update.
(sh_expand_prologue): Update.
(sh_expand_epilogue): Update.
(sh_setup_incoming_varargs): Update.
(sh_allocate_initial_value): Update.
(sh_get_pr_initial_val): Update.
* config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
* config/sh/sh.md (label:): Update.
* config/avr/avr.c (out_movhi_mr_r): Update.
* config/crx/crx.h (enum): Update.
* config/xtensa/xtensa.h (along): Update.
* config/stormy16/stormy16.c Update.
(xstormy16_compute_stack_layout): Update.
* config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
(fr30_expand_prologue): Update.
* config/cris/cris.c (cris_conditional_register_usage): Update.
(cris_reg_saved_in_regsave_area): Update.
(cris_initial_frame_pointer_offset): Update.
(cris_simple_epilogue): Update.
(cris_expand_prologue): Update.
(cris_expand_epilogue): Update.
(cris_expand_pic_call_address): Update.
(cris_asm_output_symbol_ref): Update.
(cris_asm_output_label_ref): Update.
* config/cris/cris.md Update.
* config/iq2000/iq2000.c (compute_frame_size): Update.
(iq2000_expand_epilogue): Update.
* config/mt/mt.h (save_direction): Update.
* config/mn10300/mn10300.c (mn10300_function_value): Update.
* config/ia64/ia64.c (ia64_compute_frame_size): Update.
(ia64_secondary_reload_class): Update.
* config/m68k/m68k.c (m68k_save_reg): Update.
(m68k_expand_prologue): Update.
(m68k_expand_epilogue): Update.
(legitimize_pic_address): Update.
* config/rs6000/rs6000.c (rs6000_got_register): Update.
(first_reg_to_save): Update.
(first_altivec_reg_to_save): Update.
(compute_vrsave_mask): Update.
(compute_save_world_info): Update.
(rs6000_stack_info): Update.
(spe_func_has_64bit_regs_p): Update.
(rs6000_ra_ever_killed): Update.
(rs6000_emit_eh_reg_restore): Update.
(rs6000_emit_allocate_stack): Update.
(rs6000_emit_prologue): Update.
(rs6000_emit_epilogue): Update.
(rs6000_output_function_epilogue): Update.
(output_profile_hook): Update.
(rs6000_elf_declare_function_name): Update.
* config/rs6000/rs6000.h (rs6000_args): Update.
* config/rs6000/rs6000.md: Update.
* config/mcore/mcore.c (mcore_expand_prolog): Update.
* config/arc/arc.c (arc_output_function_epilogue): Update.
* config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
* config/darwin.c (machopic_function_base_name): Update.
* config/score/score3.c (score3_compute_frame_size): Update.
(rpush): Update.
(rpop): Update.
(score3_epilogue): Update.
* config/score/score7.c (score7_compute_frame_size): Update.
(score7_prologue): Update.
(score7_epilogue): Update.
* config/score/score.h (FRAME_POINTER_REQUIRED): Update.
* config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
* config/arm/arm.c (use_return_insn): Update.
(require_pic_register): Update.
(arm_load_pic_register): Update.
(arm_compute_save_reg0_reg12_mask): Update.
(arm_compute_save_reg_mask): Update.
(thumb1_compute_save_reg_mask): Update.
(output_return_instruction): Update.
(arm_output_function_prologue): Update.
(arm_output_epilogue): Update.
(arm_get_frame_offsets): Update.
(arm_expand_prologue): Update.
(thumb_pushpop): Update.
(thumb_exit): Update.
(thumb1_expand_prologue): Update.
(thumb1_expand_epilogue): Update.
(arm_unwind_emit): Update.
(arm_output_fn_unwind): Update.
* config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
* config/arm/arm.md: Update.
* config/pa/pa.md: Update.
* config/pa/pa.c (legitimize_pic_address): Update.
(compute_frame_size): Update.
(hppa_expand_prologue): Update.
(hppa_expand_epilogue): Update.
(borx_reg_operand): Update.
* config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
(HARD_REGNO_RENAME_OK): Update.
* config/mips/mips.c (mips_global_pointer): Update.
(mips_save_reg_p): Update.
(mips_compute_frame_info): Update.
(mips_frame_pointer_required): Update.
(mips_expand_prologue): Update.
(mips_expand_epilogue): Update.
(mips_can_use_return_insn): Update.
(mips_reorg_process_insns): Update.
* config/v850/v850.c (compute_register_save_size): Update.
* config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
* config/mmix/mmix.c (along): Update.
(mmix_expand_epilogue): Update.
* config/bfin/bfin.c (legitimize_pic_address): Update.
(must_save_p): Update.
(stack_frame_needed_p): Update.
(add_to_reg): Update.
(bfin_expand_prologue): Update.
* stmt.c (expand_asm_operands): Update.
* reload1.c (reload): Update.
(init_elim_table): Update.
From-SVN: r134682
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* gcc.dg/20050811-2.c: Update dumping flags.
* gcc.dg/sms-2.c: Update dumping flags.
* gcc.dg/var-expand1.c: Update dumping flags.
* gcc.dg/var-expand3.c: Update dumping flags.
* gcc.dg/pr30957-1.c: Update dumping flags.
* gcc.dg/20050811-1.c: Update dumping flags.
* gcc.dg/cpp/cmdlne-dI-M.C: Do not xfail.
* gcc.dg/cpp/cmdlne-dM-M.C: Do not xfail.
PR other/35094
* toplev.c (decode_d_option): Handle all CPP flags.
* tree-vrp.c: Update tree_pass descriptors.
* regrename.c: Update tree_pass descriptors.
* fwprop.c: Update tree_pass descriptors.
* doc/invoke.texi: Remove documentation of dropped -d? flags.
* tree-into-ssa.c: Update tree_pass descriptors.
* tree-dump.c: Update tree_pass descriptors.
* tree-complex.c: Update tree_pass descriptors.
* tree-dump.h: Update tree_pass descriptors.
* see.c: Update tree_pass descriptors.
* cgraphbuild.c: Update tree_pass descriptors.
* tracer.c: Update tree_pass descriptors.
* tree-loop-distribution.c: Update tree_pass descriptors.
* cgraph.c: Update tree_pass descriptors.
* postreload-gcse.c: Update tree_pass descriptors.
* postreload.c: Update tree_pass descriptors.
* tree-ssa-loop-ch.c: Update tree_pass descriptors.
* tree-tailcall.c: Update tree_pass descriptors.
* tree-pass.h (tree_opt_pass): Rename to ...
(opt_pass) ... this one; add "type" field and remove letter field.
(gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
(execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
all_lowering_passes): Update declaration.
* ipa-cp.c: Update tree_pass descriptors.
* final.c: Update tree_pass descriptors.
* omp-low.c: Update tree_pass descriptors.
* tree-ssa-dse.c: Update tree_pass descriptors.
* ipa-reference.c: Update tree_pass descriptors.
* tree-ssa-uncprop.c: Update tree_pass descriptors.
* auto-inc-dec.c: Update tree_pass descriptors.
* reorg.c: Update tree_pass descriptors.
* cgraphunit.c: Update tree_pass descriptors.
* tree-ssa-copyrename.c: Update tree_pass descriptors.
* tree-ssa-ccp.c: Update tree_pass descriptors.
* df-core.c: Update tree_pass descriptors.
* mode-switching.c: Update tree_pass descriptors.
* tree-nomudflap.c: Update tree_pass descriptors.
* modulo-sched.c: Update tree_pass descriptors.
* ipa-pure-const.c: Update tree_pass descriptors.
* cse.c: Update tree_pass descriptors.
* web.c: Update tree_pass descriptors.
* tree-stdarg.c: Update tree_pass descriptors.
* tree-ssa-math-opts.c: Update tree_pass descriptors.
* tree-ssa-dom.c: Update tree_pass descriptors.
* tree-nrv.c: Update tree_pass descriptors.
* tree-ssa-alias.c: Update tree_pass descriptors.
* loop-init.c: Update tree_pass descriptors.
* gimple-low.c: Update tree_pass descriptors.
* ipa-inline.c: Update tree_pass descriptors.
* tree-ssa-sink.c: Update tree_pass descriptors.
* global.c: Update tree_pass descriptors.
* ifcvt.c: Update tree_pass descriptors.
* jump.c: Update tree_pass descriptors.
* predict.c: Update tree_pass descriptors.
* tree-ssa-loop.c: Update tree_pass descriptors.
* recog.c: Update tree_pass descriptors.
* dse.c: Update tree_pass descriptors.
* tree-ssa-ifcombine.c: Update tree_pass descriptors.
* tree-eh.c: Update tree_pass descriptors.
* regmove.c: Update tree_pass descriptors.
* local-alloc.c
* function.c: Update tree_pass descriptors.
* tree-vectorizer.c: Update tree_pass descriptors.
* gcse.c: Update tree_pass descriptors.
* ipa-type-escape.c: Update tree_pass descriptors.
* tree-if-conv.c: Update tree_pass descriptors.
* init-regs.c: Update tree_pass descriptors.
* ipa.c: Update tree_pass descriptors.
* tree-ssa-phiopt.c: Update tree_pass descriptors.
* rtl-factoring.c: Update tree_pass descriptors.
* lower-subreg.c: Update tree_pass descriptors.
* bt-load.c: Update tree_pass descriptors.
* tree-dfa.c: Update tree_pass descriptors.
* except.c: Update tree_pass descriptors.
* emit-rtl.c: Update tree_pass descriptors.
* cfgexpand.c: Update tree_pass descriptors.
* tree-cfgcleanup.c: Update tree_pass descriptors.
* cfgcleanup.c: Update tree_pass descriptors.
* tree-ssa-pre.c: Update tree_pass descriptors.
* tree-sra.c: Update tree_pass descriptors.
* tree-mudflap.c: Update tree_pass descriptors.
* tree-ssa-copy.c: Update tree_pass descriptors.
* cfglayout.c: Update tree_pass descriptors.
* tree-ssa-forwprop.c: Update tree_pass descriptors.
* tree-ssa-dce.c: Update tree_pass descriptors.
* tree-ssa.c: Update tree_pass descriptors.
* regclass.c: Update tree_pass descriptors.
* integrate.c: Update tree_pass descriptors.
* tree-optimize.c: Update tree_pass descriptors.
* tree-ssa-phiprop.c: Update tree_pass descriptors.
* tree-object-size.c: Update tree_pass descriptors.
* combine.c: Update tree_pass descriptors.
* tree-outof-ssa.c: Update tree_pass descriptors.
* bb-reorder.c: Update tree_pass descriptors.
* stack-ptr-mod.c: Update tree_pass descriptors.
* var-tracking.c: Update tree_pass descriptors.
* tree-profile.c: Update tree_pass descriptors.
* tree-vect-generic.c: Update tree_pass descriptors.
* reg-stack.c: Update tree_pass descriptors.
* sched-rgn.c: Update tree_pass descriptors.
* tree-ssa-structalias.c: Update tree_pass descriptors.
* tree-cfg.c: Update tree_pass descriptors.
* passes.c (current_pass): Update declaration.
(finish_optimization_passes): Update.
(all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
(register_one_dump_file, register_dump_files_1, next_pass_1):
Update arguments.
(init_optimization_passes): Update handling of new types.
(execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
* ipa-struct-reorg.c: Update tree_pass descriptors.
* tree-ssa-reassoc.c: Update tree_pass descriptors.
* combine-stack-adj.c: Update tree_pass descriptors.
* cfgrtl.c: Update tree_pass descriptors.
* dce.c: Update tree_pass descriptors.
* tree-ssanames.c: Update tree_pass descriptors.
From-SVN: r133342
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2008-03-02 Andi Kleen <ak@suse.de>
Richard Guenther <rguenther@suse.de>
* struct-equiv.c: Remove file.
* cfg_cleanup.c (condjump_equiv_p): Remove.
* Makefile.in (OBJS-common): Remove struct-equiv.o.
(struct-equiv.o): Remove rule.
* basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
insns_match_p, struct_equiv_block_eq, struct_equiv_init,
rtx_equiv_p, condjump_equiv_p): Remove prototypes.
Co-Authored-By: Richard Guenther <rguenther@suse.de>
From-SVN: r132814
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* dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
dse2, gcse, if_conversion, if_after_combine, if_after_reload,
jump_bypass): New counters.
* cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
* dce.c (gate_ud_dce): Same.
(gate_fast_dce): Same.
* dse.c (gate_dse1): New function.
(gate_dse2): New function.
(gate_dse): Merge results of new gate functions.
* gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
(gate_handle_jump_bypass): Add dbg_cnt.
(gate_handle_gcse): Add dbg_cnt.
* ifcvt.c (gate_handle_if_conversion): Same.
(gate_handle_if_after_combine): Same.
(gate_handle_if_after_reload): Same.
* Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
From-SVN: r132684
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2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
PR rtl-optimization/30905
* cfgcleanup.c: Include dce.h
(crossjumps_occured): New global variable.
(try_crossjump_bb): Exit loop after finding a fallthru edge.
If something changed, set crossjumps_occured to true.
(try_optimize_cfg): Clear crossjumps_occured at the beginning.
Don't add/remove fake edges to exit here...
(cleanup_cfg): ...but do it here, when crossjumping.
Run a fast DCE when successful crossjumps occured in the latest
iteration of try_optimize_cfg.
From-SVN: r131468
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edge 94->1 -6651)
PR rtl-optimization/33737
* cfgcleanup.c (try_crossjump_to_edge): Add count and frequency of
target block after computing the probabilities of outgoing edges.
Cap the frequency to BB_FREQ_MAX.
* tree-ssa-threadupdate.c (redirect_edges): Also adjust count and
frequency of the basic block if it has been reused.
From-SVN: r129973
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PR rtl-optimization/33644
* cfgcleanup.c: Do not include dce.h.
* cfgrtl.c (delete_insn_chain_and_edges): Resurrect.
* combine.c (distribute_notes): Delete REG_LIBCALL_ID case.
* dce.c (something_changed): Delete.
(libcall_dead_p): New predicate.
(delete_unmarked_insns): Use it to delete dead libcalls.
Deal with REG_LIBCALL and REG_RETVAL notes.
(prescan_libcall_for_dce): New function.
(prescan_insns_for_dce): Use it to deal with libcalls.
(mark_reg_dependencies): Do nothing special for libcalls.
(dce_process_block): Likewise.
(fast_dce): Delete unused local variable.
(run_fast_dce): Do not return a value.
* dce.h (struct df): Delete.
(run_fast_dce): Adjust prototype.
* optabs.c (libcall_id): Delete.
(maybe_encapsulate_block): Do not emit REG_LIBCALL_ID notes.
(emit_no_conflict_block): Do not look for REG_LIBCALL_ID notes.
* reload1.c (reload): Delete REG_LIBCALL_ID case.
* rtl.h (delete_insn_chain_and_edges): Resurrect prototype.
* see.c (see_update_relevancy): Look for REG_LIBCALL and REG_RETVAL
notes instead of REG_LIBCALL_ID notes.
* reg-notes.def (LIBCALL_ID): Delete.
* Makefile.in (see.o): Add dce.h dependency.
(cfgcleanup.o): Remove dce.h dependency.
From-SVN: r129556
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* regrename.c (pass_regrename, pass_cprop_hardreg): Add RTL sharing
verifier.
* fwprop.c (pass_rtl_fwprop, pass_rtl_fwprop_add): Likewise.
* see.c (pass_see): Likewise.
* tracer.c (pass_tracer): Likewise.
* postreload-gcse.c (pass_gcse2): Likewise.
* postreload.c (pass_postreload_cse): Likewise.
* mode-switching.c (pass_mode_switching): Likewise.
* modulo-sched.c (pass_sms): Likewise.
* cse.c (cse_insn): Likewise.
* web.c (pass_web): Likweise.
* combine-stack-adj.c (pass_stack_adjustments): Likewise.
* dce.c (pass_ud_rtl_dce, pass_fast_rtl_dce): Likewise.
* loop-init.c (pass_rtl_loop_init): Likewise.
(pass_rtl_loop_done, pass_rtl_move_loop_, pass_rtl_unswitch,
pass_rtl_unroll_and, pass_rtl_doloop): Likewise.
* global.c (pass_global_alloc): Likewise.
* ifcvt.c (pass_rtl_ifcvt, pass_if_after_combine,
pass_if_after_reload): Likewise.
* reload.c (pass_peephole2, pass_split_for_shoren_branches): Likewise.
* dse.c (pass_rtl_dse1, pass_rtl_dse2): Likewise.
* regmove.c (pass_regmove): Likewise.
* function.c (pass_thread_prologugues_epilogues): Likewise.
* gcse.c (pass_gcse): Likewise.
* rtl-factoring.c (pass_rtl_seqabstr): Likewise.
* lower-subreg.c (pass_lower_subreg2): Likewise.
* bt-load.c (pass_branch_target_load): Likewise.
* emit-rtl.c (pass_unshare_all_rtl): Likewise.
* cfgcleanup.c (pass_jump, pass_jump2): Likewise.
* combine.c (pass_combine): Likewise.
* bb-reorder.c (pass_duplicate_comp, pass_reorder_blocks): Likewise.
(pass_partition_blocks): Likewise.
* var-tracking.c (pass_variable_track): Likewise.
* reg-stack.c (pass_stack_regs_run): Likewise.
* sched-rgn.c (pass_sched, pass_sched2): Likewise.
* passes.c (pass_postreload): Likewise.
(execute_function_todo): Add TODO_verify_rtl_sharing handling code.
* tree-pass.h (TODO_verify_rtl_sharing): New.
(TODO_update_ssa, TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
TODO_update_ssa_only_virtuals, TODO_remove_unused_locals,
TODO_set_props, TODO_df_finish, TODO_df_verify,
TODO_mark_first_instance, TODO_rebuild_alias): Renumber.
From-SVN: r128126
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License and to point readers at the COPYING3 file and the FSF's license web page.
From-SVN: r126948
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2007-07-11 Kenneth Zadeck <zadeck@naturalbridge.com>
* toplev.c (no_new_pseudos): Deleted.
* rtl.h (no_new_pseudos): Deleted.
* tree-pass.h (pass_no_new_pseudos): Deleted.
* passes.c (pass_no_new_pseudos): Deleted.
* final.c (rest_of_clean_state): Removed no_new_pseudos.
(rest_of_no_new_pseudos, pass_no_new_pseudos): Deleted.
* struct-equiv.c (rtx_equiv_p): Replaced no_new_pseudos with
reload_completed.
* cfgcleanup.c (try_crossjump_to_edge): Ditto.
* rtlhooks.c (gen_lowpart_general): Ditto.
* optabs.c (prepare_operand): Ditto.
* mode-switching.c (rest_of_handle_mode_switching): Deleted set of
no_new_pseudos.
* modulo-sched.c (rest_of_handle_sms): Ditto.
* see.c (rest_of_handle_see): Ditto.
* ifcvt.c (if_convert): Ditto.
(gate_handle_if_after_combine): Replaced no_new_pseudos with
reload_completed.
* init-regs.c (gate_initialize_regs): Deleted set of
no_new_pseudos.
* lower-subreg.c (decompose_multiword_subregs): Ditto.
* bb-reorder.c (rest_of_handle_partition_blocks): Ditto.
* doc/md.texi: Changed no_new_pseudos to can_create_pseudo_p.
From-SVN: r126561
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From-SVN: r125624
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of basic block.
* haifa-sched.c (restore_bb_notes): Clear bb field of the notes
emited outside of basic block.
* cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
the created blocks.
* rtl.h (delete_insn_chain): Declaration changed.
* cfgrtl.c (delete_insn_chain): Add option to clear bb field for
non-removed insns.
(rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
(delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
to delete_insn_chain.
(rtl_verify_flow_info_1): Verify that the insns in header and footer
do not have bb field set.
(rtl_verify_flow_info): Verify that insns between basic blocks do not
have bb field set.
* recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
* cfgcleanup.c (try_optimize_cfg): Ditto.
From-SVN: r125492
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* basic-block.h: Remove the prototype for merge_seq_blocks.
* cfgcleanup.c (merge_seq_blocks): Remove.
From-SVN: r125094
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gcc/
* hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
in favor of...
(hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
(hard_reg_set_empty_p): ...these new functions.
* bt-load.c (choose_btr): Use hard_reg_subset_p instead of
GO_IF_HARD_REG_SUBSET.
* cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
instead of GO_IF_HARD_REG_EQUAL.
* df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
instead of GO_IF_HARD_REG_EQUAL.
* global.c (find_reg): Use hard_reg_set_empty_p instead of
GO_IF_HARD_REG_SUBSET.
(modify_reg_pav): Use hard_reg_set_empty_p instead of
GO_IF_HARD_REG_EQUAL.
* local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
of GO_IF_HARD_REG_SUBSET.
* reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
instead of GO_IF_HARD_REG_EQUAL.
* regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
(reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
of GO_IF_HARD_REG_SUBSET,
* reload1.c (finish_spills): Use hard_reg_subset_p instead of
GO_IF_HARD_REG_SUBSET.
* struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
instead of GO_IF_HARD_REG_EQUAL.
* config/sh/sh.c (push_regs, calc_live_regs): Use
hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
(hard_regs_intersect_p): Delete.
From-SVN: r124954
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* gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
* ddg.c (create_ddg): LIkewise.
* final.c (final): Remove hunk moving line numbernotes around since
they are no longer present at this stage.
(final_scan_insn): Use NOTE_KIND instead of
NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
(output_asm_label): Likewise.
* reorg.c (dbr_schedule): Likewise.
* haifa-sched.c (unlink_other_notes): Likewise.
* mode-switching.c (optimize_mode_switching): Likewise.
* graph.c (start_bb): Likewise.
* rtl.def (NOTE): Update description.
* jump.c (squeeze_notes): Delete.
(mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
NOTE_INSN_BASIC_BLOCK_P when possible.
* ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
* dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
(dwarf2out_var_location): Likewise.
* cfgbuild.c (make_edges): Likewise.
(find_basic_blocks_1): Likewise.
* function.c (reorder_blocks_1): Likewise.
(epilogue_done): Likewise.
(reposition_prologue_and_epilogue_notes): Likewise.
* print-rtl.c (print_rtx): Likewise; drop code for printing line number
notes.
(print_rtl): Likewise.
(print_rtl_single): Likewise.
* gcse.c (insert_insn_start_bb): Likewise.
* alias.c (init_alias_analysis): Likewise.
* calls.c (fixup_tail_calls): Likewise.
* except.c (sjlj_emit_function_enter): Likewise.
* emit-rtl.c (add_insn_after): Likeiwse.
(emit_label_before): Likewise.
(emit_label_after): Likewise.
(emit_note_before, emit_note_after, emit_note): Update
parameter to be enum insn_note; do not deal with source
files.
* cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
when possible.
(merge_blocks_move_successor_nojumps): Simplify now when
we don't have BLOCK notes.
(try_optimize_cfg): Likewise.
* cfglayout.c (skip_insns_after_block): Likewise.
(record_effective_endpoints): Likewise.
(duplicate_insn_chain): Likewise.
* varasm.c (output_constant_pool_1): Likewise.
* sched-deps.c (sched_analyze): Likewise.
* rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
Exterminate.
(note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
* rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
(SET_INSN_DELETED): Simplify.
(NOTE_LINE_NUMBER): Exterminate.
(NOTE_LINE_KIND): New.
(NOTE_INSN_BASIC_BLOCK_P): Update.
(enum insn_note): Simplify.
(GET_NOTE_INSN_NAME) Simplify.
(emit_note_before, emit_note_after, emit_note): Update prototype.
(squeeze_notes): Remove.
* sched-int.h (NOTE_NOT_BB_P): Update.
* resource.c (mark_target_live_regs): Update.
* sched-rgn.c (debug_dependencies): Update.
* sched-vis.c (print_insn): Update.
* config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
* config/i386/i386.c (ix86_output_function_epilogue): Update.
* config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
(TARGET_ADJUST_UNROLL_MAX): Likewise.
(split_branches): Update.
(sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
4.0.0.
(sh_adjust_unroll_max): Exterminate.
* config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
* config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
(m68hc11_reorg): Likewise.
* config/ia64/ia64.c (emit_insn_group_barriers): Update.
(emit_predicate_relation_info): Update.
(process_for_unwind_directive): Update.
* config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
(output_call): Update.
* config/pa/pa.c (output_lbranch): Update.
(output_millicode_call): Update.
(output_call): Update.
(pa_combine_instructions): Update.
* config/mips/mips.c (mips16_gp_pseudo_reg): Update.
* config/bfin/bfin.c (gen_one_bundle): Update.
* cfgrtl.c (can_delete_note_p): Update.
(delete_insn): Update.
(rtl_merge_blocks): Update.
(commit_one_edge_insertion): Update.
(rtl_verify_flow_info): Update.
* stmt.c (expand_case): Do not call squeeze_notes.
From-SVN: r124895
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PR rtl-optimization/31391
* cfgcleanup.c (try_optimize_cfg): If a removed label is turned
into a DELETED_LABEL note, and the label is in an empty basic
block, update BB_END as well as BB_HEAD.
From-SVN: r123406
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* cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
From-SVN: r121584
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* alias.c (init_alias_analysis): Correct whitespace.
* bb-reorder.c (fix_edges_for_rarely_executed_code,
partition_hot_cold_basic_blocks): Likewise.
* builtins.c (expand_builtin_printf, expand_builtin_fprintf,
expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
fold_builtin_snprintf_chk, fold_builtin_printf,
fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
do_mpfr_arg3, do_mpfr_sincos): Likewise.
* cfgcleanup.c (cleanup_cfg): Likewise.
* cfgexpand.c (tree_expand_cfg): Likewise.
* fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
* function.c (get_next_funcdef_no): Likewise.
* gengtype.c (main): Likewise.
* genmodes.c (main): Likewise.
* gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
* haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
* ifcvt.c (noce_emit_move_insn): Likewise.
* modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
Likewise.
* stor-layout.c (get_best_mode): Likewise.
* tree-ssa-loop-niter.c (get_val_for): Likewise.
* tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
perform_var_substitution, solve_graph): Likewise.
* tree-vrp.c (vrp_finalize): Likewise.
From-SVN: r121470
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so don't do it here again.
* tracer.c (rest_of_handle_tracer): We already cleaned
up the CFG in tracer() so don't do it here again.
* cfgcleanup.c (rest_of_handle_jump2): Don't repeat
cleanup_cfg here, either. And don't call renumber_insns.
* cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
and BB_HEAD are in the insn stream here. Instead make sure
that BB_INSN is valid on all insns. Also, do check here that
there are no pending branch predictions...
(rtl_verify_flow_info): ...instead of doing it here. Checks
for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
here.
From-SVN: r121231
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