[r16-7431 Regression] FAIL: gcc.dg/guality/pr54693-2.c -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions -DPREVENT_OPTIMIZATION line 21 x == 10 - i on Linux/x86_64
Haochen Jiang via Gcc-regression <[email protected]>
| Newsgroups | gmane.comp.gcc.regression,gmane.comp.gcc.patches |
|---|---|
| Message-ID | <[email protected]> |
On Linux/x86_64, e55de74d50d236db0472431fe242f3244e41b884 is the first bad commit commit e55de74d50d236db0472431fe242f3244e41b884 Author: Richard Biener <[email protected]> Date: Tue Feb 10 09:46:08 2026 +0100 tree-optimization/107690 - avoid creating un-analyzable loop exits caused FAIL: gcc.dg/guality/pr54693-2.c -O2 -DPREVENT_OPTIMIZATION line 21 x == 10 - i FAIL: gcc.dg/guality/pr54693-2.c -O2 -flto -fno-use-linker-plugin -flto-partition=none -DPREVENT_OPTIMIZATION line 21 x == 10 - i FAIL: gcc.dg/guality/pr54693-2.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects -DPREVENT_OPTIMIZATION line 21 x == 10 - i FAIL: gcc.dg/guality/pr54693-2.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects -DPREVENT_OPTIMIZATION line 21 y == 20 - 2 * i FAIL: gcc.dg/guality/pr54693-2.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects -DPREVENT_OPTIMIZATION line 21 z == 30 - 3 * i FAIL: gcc.dg/guality/pr54693-2.c -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions -DPREVENT_OPTIMIZATION line 21 x == 10 - i FAIL: gcc.dg/guality/pr54693-2.c -O3 -g -DPREVENT_OPTIMIZATION line 21 x == 10 - i with GCC configured with ../../gcc/configure --prefix=/export/users3/haochenj/src/gcc-bisect/master/master/r16-7431/usr --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld --with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl --enable-libmpx x86_64-linux --disable-bootstrap To reproduce: $ cd {build_dir}/gcc && make check RUNTESTFLAGS="guality.exp=gcc.dg/guality/pr54693-2.c --target_board='unix{-m32}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="guality.exp=gcc.dg/guality/pr54693-2.c --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="guality.exp=gcc.dg/guality/pr54693-2.c --target_board='unix{-m64}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="guality.exp=gcc.dg/guality/pr54693-2.c --target_board='unix{-m64\ -march=cascadelake}'" (Please directly reply to this email for question about this report.) (If you met problems with cascadelake related, disabling AVX512F in command line might save that.) (However, please make sure that there is no potential problems with AVX512.)