From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 718E13858431; Fri, 16 Jun 2023 10:06:48 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 718E13858431 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1686910008; bh=wBRbVDVggv7helDe5BHg67kQ3n8Ld5yACtrCeQb8zQg=; h=From:To:Subject:Date:From; b=OnidbketjjLwaWCkod1kTMpTCyvvQBfM3yy8GhaLeJKrd0kPzlhdPuUH1FUZqgP2m 4IaoEw/yEaf5xrmXw3nabP64jFQ6KIOHkq/EFAJLJ05KpfiO/7JHfSE6CI0TqETZyN OlqT5HJMV8kF/nNG/KnPji3t78rbkMok7FOS1dWM= From: "19373742 at buaa dot edu.cn" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/110281] New: wrong code with '-O3' Date: Fri, 16 Jun 2023 10:06:46 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: 11.4.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: 19373742 at buaa dot edu.cn X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter target_milestone attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110281 Bug ID: 110281 Summary: wrong code with '-O3' Product: gcc Version: 11.4.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: 19373742 at buaa dot edu.cn Target Milestone: --- Created attachment 55341 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D55341&action=3Dedit The preprocessed file ***************************************************************************= **** OS and Platform: CentOS Linux release 7.9.2009 (Core), x86_64 GNU/Linux ***************************************************************************= **** gcc version: # /home/gcc-releases/gcc-11-0615/bin/gcc -v Using built-in specs. COLLECT_GCC=3D/home/gcc-releases/gcc-11-0615/bin/gcc COLLECT_LTO_WRAPPER=3D/home/gcc-releases/gcc-11-0615/libexec/gcc/x86_64-pc-= linux-gnu/11.4.1/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ./configure --prefix=3D/home/gcc-releases/gcc-11-0615/ --disable-multilib --enable-languages=3Dc,c++ Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 11.4.1 20230615 (GCC) ***************************************************************************= **** Command Lines: /home/gcc-releases/gcc-11-0615/bin/gcc -I /home/csmith_record/include/csmith-2.3.0/ -O3 -fno-aggressive-loop-optimizations -fno-align-functions -fno-align-jumps -fno-align-labels -fno-align-loops -fno-allocation-dce -fno-asynchronous-unwind-tables -fno-auto-inc-dec -fno-bit-tests -fno-branch-count-reg -fno-caller-saves -fno-code-hoisting -fno-combine-stack-adjustments -fno-compare-elim -fno-cprop-registers -fno-crossjumping -fno-cse-follow-jumps -fno-dce -fno-defer-pop -fno-delete-null-pointer-checks -fno-devirtualize -fno-devirtualize-speculatively -fno-dse -fno-early-inlining -fno-expensive-optimizations -fno-forward-propagate -fno-fp-int-builtin-ine= xact -fno-function-cse -fno-gcse -fno-gcse-after-reload -fno-gcse-lm -fno-guess-branch-probability -fno-hoist-adjacent-loads -fno-if-conversion -fno-if-conversion2 -fno-indirect-inlining -fno-inline -fno-inline-atomics -fno-inline-functions -fno-inline-functions-called-once -fno-inline-small-functions -fno-ipa-bit-cp -fno-ipa-cp -fno-ipa-cp-clone -fno-ipa-icf -fno-ipa-icf-functions -fno-ipa-icf-variables -fno-ipa-modref -fno-ipa-profile -fno-ipa-pure-const -fno-ipa-ra -fno-ipa-reference -fno-ipa-reference-addressable -fno-ipa-sra -fno-ipa-stack-alignment -fno-ipa-vrp -fno-ira-hoist-pressure -fno-ira-share-save-slots -fno-ira-share-spill-slots -fno-isolate-erroneous-paths-dereference -fno-iv= opts -fno-jump-tables -fno-lifetime-dse -fno-loop-interchange -fno-loop-unroll-and-jam -fno-lra-remat -fno-math-errno -fno-move-loop-invariants -fno-omit-frame-pointer -fno-optimize-sibling-cal= ls -fno-optimize-strlen -fno-partial-inlining -fno-peel-loops -fno-peephole -fno-peephole2 -fno-plt -fno-predictive-commoning -fno-prefetch-loop-arrays -fno-printf-return-value -fno-ree -fno-reg-struct-return -fno-rename-regist= ers -fno-reorder-blocks -fno-reorder-blocks-and-partition -fno-reorder-functions -fno-rerun-cse-after-loop -fno-sched-critical-path-heuristic -fno-sched-dep-count-heuristic -fno-sched-group-heuristic -fno-sched-interb= lock -fno-sched-last-insn-heuristic -fno-sched-rank-heuristic -fno-sched-spec -fno-sched-spec-insn-heuristic -fno-sched-stalled-insns-dep -fno-schedule-fusion -fno-schedule-insns2 -fno-short-enums -fno-shrink-wrap -fno-shrink-wrap-separate -fno-signed-zeros -fno-split-ivs-in-unroller -fno-split-loops -fno-split-paths -fno-split-wide-types -fno-ssa-backprop -fno-ssa-phiopt -fno-stdarg-opt -fno-store-merging -fno-strict-aliasing -fno-strict-volatile-bitfields -fno-thread-jumps -fno-toplevel-reorder -fno-trapping-math -fno-tree-bit-ccp -fno-tree-builtin-call-dce -fno-tree-c= cp -fno-tree-ch -fno-tree-coalesce-vars -fno-tree-copy-prop -fno-tree-cselim -fno-tree-dce -fno-tree-dominator-opts -fno-tree-dse -fno-tree-forwprop -fno-tree-fre -fno-tree-loop-distribute-patterns -fno-tree-loop-distribution -fno-tree-loop-if-convert -fno-tree-loop-im -fno-tree-loop-ivcanon -fno-tree-loop-optimize -fno-tree-loop-vectorize -fno-tree-partial-pre -fno-tree-phiprop -fno-tree-pre -fno-tree-pta -fno-tree-reassoc -fno-tree-scev-cprop -fno-tree-sink -fno-tree-slp-vectorize -fno-tree-slsr -fno-tree-sra -fno-tree-switch-conversion -fno-tree-tail-merge -fno-tree-ter -fno-tree-vrp -fno-unroll-completely-grow-size -fno-unswitch-loops -fno-unwind-tables -fno-var-tracking -fno-var-tracking-assignments -fno-version-loops-for-strides -fno-web -faggressive-loop-optimizations -fno-align-functions -fno-align-jumps -falign-labels -fno-align-loops -fno-allocation-dce -fasynchronous-unwind-tables -fauto-inc-dec -fbit-tests -fno-branch-count-reg -fno-caller-saves -fno-code-hoisting -fcombine-stack-adjustments -fcompare-elim -fno-cprop-registers -fcrossjump= ing -fcse-follow-jumps -fdce -fno-defer-pop -fno-delete-null-pointer-checks -fdevirtualize -fdevirtualize-speculatively -fdse -fno-early-inlining -fno-expensive-optimizations -fno-forward-propagate -ffp-int-builtin-inexact -ffunction-cse -fno-gcse -fno-gcse-after-reload -fgcse-lm -fguess-branch-probability -fno-hoist-adjacent-loads -fif-conversion -fif-conversion2 -fno-indirect-inlining -finline -finline-atomics -finline-functions -finline-functions-called-once -finline-small-functions -fipa-bit-cp -fno-ipa-cp -fno-ipa-cp-clone -fipa-icf -fipa-icf-functions -fno-ipa-icf-variables -fipa-modref -fipa-profile -fno-ipa-pure-const -fno-ipa-ra -fipa-reference -fipa-reference-addressable -fno-ipa-sra -fno-ipa-stack-alignment -fno-ipa-vrp -fno-ira-hoist-pressure -fno-ira-share-save-slots -fno-ira-share-spill-slots -fno-isolate-erroneous-paths-dereference -fivopts -fno-jump-tables -flifetime-dse -fno-loop-interchange -fno-loop-unroll-and-jam -flra-remat -fmath-errno -fno-move-loop-invariants -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-optimize-strlen -fpartial-inlining -fpeel-loops -fno-peephole -fpeephole2 -fno-plt -fpredictive-commoning -fprefetch-loop-arrays -fprintf-return-value -fno-ree -fno-reg-struct-return -frename-registers -fno-reorder-blocks -freorder-blocks-and-partition -freorder-functions -frerun-cse-after-loop -fsched-critical-path-heuristic -fno-sched-dep-count-heuristic -fno-sched-group-heuristic -fno-sched-interb= lock -fno-sched-last-insn-heuristic -fsched-rank-heuristic -fsched-spec -fno-sched-spec-insn-heuristic -fno-sched-stalled-insns-dep -fschedule-fusi= on -fschedule-insns2 -fshort-enums -fshrink-wrap -fshrink-wrap-separate -fsigned-zeros -fno-split-ivs-in-unroller -fsplit-loops -fsplit-paths -fsplit-wide-types -fno-ssa-backprop -fssa-phiopt -fno-stdarg-opt -fstore-merging -fstrict-aliasing -fstrict-volatile-bitfields -fthread-jumps -ftoplevel-reorder -ftrapping-math -ftree-bit-ccp -ftree-builtin-call-dce -fno-tree-ccp -ftree-ch -ftree-coalesce-vars -ftree-copy-prop -ftree-cselim -ftree-dce -ftree-dominator-opts -fno-tree-dse -ftree-forwprop -ftree-fre -fno-tree-loop-distribute-patterns -ftree-loop-distribution -ftree-loop-if-convert -ftree-loop-im -ftree-loop-ivcanon -ftree-loop-optim= ize -fno-tree-loop-vectorize -fno-tree-partial-pre -ftree-phiprop -ftree-pre -fno-tree-pta -fno-tree-reassoc -fno-tree-scev-cprop -fno-tree-sink -ftree-slp-vectorize -fno-tree-slsr -fno-tree-sra -fno-tree-switch-conversi= on -ftree-tail-merge -fno-tree-ter -fno-tree-vrp -fno-unroll-completely-grow-s= ize -funswitch-loops -fno-unwind-tables -fno-var-tracking -fno-var-tracking-assignments -fno-version-loops-for-strides -fno-web -save-temps t.c -o t.o 2>t_error.txt # /home/gcc-releases/gcc-11-0615/bin/gcc -I /home/csmith_record/include/csmith-2.3.0/ t.c -o t2.o # ./t2.o checksum =3D 85C697B # ./t.o checksum =3D E43ACEEF=