On Linux/x86_64,
53ba8d669550d3a1f809048428b97ca607f95cf5 is the first bad commit
commit 53ba8d669550d3a1f809048428b97ca607f95cf5
Author: Jan Hubicka <[email protected]>
Date: Mon Nov 20 19:35:53 2023 +0100
inter-procedural value range propagation
caused
FAIL: gcc.dg/guality/ipa-sra-1.c -O2 -DPREVENT_OPTIMIZATION line 27 k == 3
FAIL: gcc.dg/guality/ipa-sra-1.c -O2 -flto -fno-use-linker-plugin
-flto-partition=none -DPREVENT_OPTIMIZATION line 27 k == 3
FAIL: gcc.dg/guality/ipa-sra-1.c -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects -DPREVENT_OPTIMIZATION line 27 k == 3
FAIL: gcc.dg/guality/ipa-sra-1.c -O3 -g -DPREVENT_OPTIMIZATION line 27 k ==
3
FAIL: gcc.dg/guality/ipa-sra-1.c -Os -DPREVENT_OPTIMIZATION line 27 k == 3
FAIL: gcc.dg/guality/vla-1.c -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects -DPREVENT_OPTIMIZATION line 17 sizeof (a) == 6
FAIL: gcc.dg/guality/vla-1.c -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects -DPREVENT_OPTIMIZATION line 24 i == 5
FAIL: gcc.dg/guality/vla-1.c -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects -DPREVENT_OPTIMIZATION line 24 sizeof (a) == 17 * sizeof
(short)
FAIL: gcc.dg/vla-1.c scan-tree-dump-times optimized " s=> i" 2
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-5628/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/ipa-sra-1.c
--target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="guality.exp=gcc.dg/guality/ipa-sra-1.c --target_board='unix{-m64\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="guality.exp=gcc.dg/guality/vla-1.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="guality.exp=gcc.dg/guality/vla-1.c --target_board='unix{-m32\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="guality.exp=gcc.dg/guality/vla-1.c --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="guality.exp=gcc.dg/guality/vla-1.c --target_board='unix{-m64\
-march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gcc.dg/vla-1.c
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gcc.dg/vla-1.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gcc.dg/vla-1.c
--target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gcc.dg/vla-1.c
--target_board='unix{-m64\ -march=cascadelake}'"
(Please do not reply to this email, for question about this report, contact me
at haochen dot jiang at intel.com.)
(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.)