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* [Bug tree-optimization/107523] New: wrong code at -O2 and -O3 on x86_64-linux-gnu @ 2022-11-04 7:25 zhendong.su at inf dot ethz.ch 2022-11-04 19:45 ` [Bug tree-optimization/107523] [13 Regression] " pinskia at gcc dot gnu.org ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: zhendong.su at inf dot ethz.ch @ 2022-11-04 7:25 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107523 Bug ID: 107523 Summary: wrong code at -O2 and -O3 on x86_64-linux-gnu Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zhendong.su at inf dot ethz.ch Target Milestone: --- This appears to be a recent regression as 12.2 compiles the test correctly. Compiler Explorer: https://godbolt.org/z/1erPMzzjK [522] % gcctk -v Using built-in specs. COLLECT_GCC=gcctk COLLECT_LTO_WRAPPER=/local/suz-local/software/local/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/13.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../gcc-trunk/configure --disable-bootstrap --enable-checking=yes --prefix=/local/suz-local/software/local/gcc-trunk --enable-sanitizers --enable-languages=c,c++ --disable-werror --enable-multilib --with-system-zlib Thread model: posix Supported LTO compression algorithms: zlib gcc version 13.0.0 20221104 (experimental) [master r13-3645-gfabe470b244] (GCC) [523] % [523] % gcctk -Os small.c; ./a.out [524] % [524] % gcctk -O2 small.c [525] % ./a.out Floating point exception [526] % [526] % cat small.c int a, b = 1; unsigned int c = 1; int main() { int d = 1, f; if (b) d = 0; a = -1; b = ~d ^ 465984011; L1:; if (b < 2) f = b; b = f; if (f <= a) { int g = -(a && 1), h = g - f && a, i = ~(c / f) && 1 % (a | h); if (c) { g = f; if (i || (g && (g > -465984012))) goto L2; } c = g | f / c; } if (0) L2: a = 0; if (a <= c) goto L1; return 0; } ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/107523] [13 Regression] wrong code at -O2 and -O3 on x86_64-linux-gnu 2022-11-04 7:25 [Bug tree-optimization/107523] New: wrong code at -O2 and -O3 on x86_64-linux-gnu zhendong.su at inf dot ethz.ch @ 2022-11-04 19:45 ` pinskia at gcc dot gnu.org 2022-11-10 15:39 ` [Bug tree-optimization/107523] [13 Regression] wrong code at -O2 and -O3 on x86_64-linux-gnu since r13-3628-g6fd485d15c1a2c42 marxin at gcc dot gnu.org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: pinskia at gcc dot gnu.org @ 2022-11-04 19:45 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107523 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |needs-bisection Summary|wrong code at -O2 and -O3 |[13 Regression] wrong code |on x86_64-linux-gnu |at -O2 and -O3 on | |x86_64-linux-gnu Target Milestone|--- |13.0 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/107523] [13 Regression] wrong code at -O2 and -O3 on x86_64-linux-gnu since r13-3628-g6fd485d15c1a2c42 2022-11-04 7:25 [Bug tree-optimization/107523] New: wrong code at -O2 and -O3 on x86_64-linux-gnu zhendong.su at inf dot ethz.ch 2022-11-04 19:45 ` [Bug tree-optimization/107523] [13 Regression] " pinskia at gcc dot gnu.org @ 2022-11-10 15:39 ` marxin at gcc dot gnu.org 2022-11-11 19:48 ` cvs-commit at gcc dot gnu.org 2022-11-11 19:54 ` amacleod at redhat dot com 3 siblings, 0 replies; 5+ messages in thread From: marxin at gcc dot gnu.org @ 2022-11-10 15:39 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107523 Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[13 Regression] wrong code |[13 Regression] wrong code |at -O2 and -O3 on |at -O2 and -O3 on |x86_64-linux-gnu |x86_64-linux-gnu since | |r13-3628-g6fd485d15c1a2c42 Last reconfirmed| |2022-11-10 CC| |amacleod at redhat dot com, | |marxin at gcc dot gnu.org Keywords|needs-bisection | Status|UNCONFIRMED |NEW Ever confirmed|0 |1 --- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> --- Started with r13-3628-g6fd485d15c1a2c42. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/107523] [13 Regression] wrong code at -O2 and -O3 on x86_64-linux-gnu since r13-3628-g6fd485d15c1a2c42 2022-11-04 7:25 [Bug tree-optimization/107523] New: wrong code at -O2 and -O3 on x86_64-linux-gnu zhendong.su at inf dot ethz.ch 2022-11-04 19:45 ` [Bug tree-optimization/107523] [13 Regression] " pinskia at gcc dot gnu.org 2022-11-10 15:39 ` [Bug tree-optimization/107523] [13 Regression] wrong code at -O2 and -O3 on x86_64-linux-gnu since r13-3628-g6fd485d15c1a2c42 marxin at gcc dot gnu.org @ 2022-11-11 19:48 ` cvs-commit at gcc dot gnu.org 2022-11-11 19:54 ` amacleod at redhat dot com 3 siblings, 0 replies; 5+ messages in thread From: cvs-commit at gcc dot gnu.org @ 2022-11-11 19:48 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107523 --- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Andrew Macleod <amacleod@gcc.gnu.org>: https://gcc.gnu.org/g:0a7b437ca71e2721e9bcf070762fc54ef7991aeb commit r13-3911-g0a7b437ca71e2721e9bcf070762fc54ef7991aeb Author: Andrew MacLeod <amacleod@redhat.com> Date: Fri Nov 11 12:22:33 2022 -0500 Don't add dependencies in update_stmt. gimple_ranger::update_stmt has no idea what the context of an update is, and should not be adding relations when it re-evaluates a stmt. PR tree-optimization/107523 gcc/ * gimple-range.cc (gimple_ranger::update_stmt): Use fur_stmt rather than fur_depend. gcc/testsuite/ * gcc.dg/pr107523.c: New. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/107523] [13 Regression] wrong code at -O2 and -O3 on x86_64-linux-gnu since r13-3628-g6fd485d15c1a2c42 2022-11-04 7:25 [Bug tree-optimization/107523] New: wrong code at -O2 and -O3 on x86_64-linux-gnu zhendong.su at inf dot ethz.ch ` (2 preceding siblings ...) 2022-11-11 19:48 ` cvs-commit at gcc dot gnu.org @ 2022-11-11 19:54 ` amacleod at redhat dot com 3 siblings, 0 replies; 5+ messages in thread From: amacleod at redhat dot com @ 2022-11-11 19:54 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107523 Andrew Macleod <amacleod at redhat dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED --- Comment #3 from Andrew Macleod <amacleod at redhat dot com> --- fixed. ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2022-11-11 19:54 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2022-11-04 7:25 [Bug tree-optimization/107523] New: wrong code at -O2 and -O3 on x86_64-linux-gnu zhendong.su at inf dot ethz.ch 2022-11-04 19:45 ` [Bug tree-optimization/107523] [13 Regression] " pinskia at gcc dot gnu.org 2022-11-10 15:39 ` [Bug tree-optimization/107523] [13 Regression] wrong code at -O2 and -O3 on x86_64-linux-gnu since r13-3628-g6fd485d15c1a2c42 marxin at gcc dot gnu.org 2022-11-11 19:48 ` cvs-commit at gcc dot gnu.org 2022-11-11 19:54 ` amacleod at redhat dot com
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