On Linux/x86_64,
c19aedfc0c3531e2c2b7c92e7b062be29ecbf0f8 is the first bad commit
commit c19aedfc0c3531e2c2b7c92e7b062be29ecbf0f8
Author: Richard Biener <[email protected]>
Date: Fri Oct 24 12:31:54 2025 +0200
tree-optimization/120687 - legitimise some permutes before optimizing
caused
FAIL: gcc.dg/tree-ssa/pr92834.c scan-tree-dump-times optimized "MAX_EXPR <" 8
FAIL: gcc.dg/tree-ssa/pr92834.c scan-tree-dump-times optimized "MIN_EXPR <" 8
with GCC configured with
../../gcc/configure
--prefix=/export/users3/haochenj/src/gcc-bisect/master/master/r16-4726/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="tree-ssa.exp=gcc.dg/tree-ssa/pr92834.c --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="tree-ssa.exp=gcc.dg/tree-ssa/pr92834.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.)