On Linux/x86_64,
b3cc5a1efead520bc977b4ba51f1328d01b3e516 is the first bad commit
commit b3cc5a1efead520bc977b4ba51f1328d01b3e516
Author: Richard Biener <[email protected]>
Date: Fri Dec 15 10:32:29 2023 +0100
tree-optimization/113026 - avoid vector epilog in more cases
caused
FAIL: gcc.c-torture/execute/950612-1.c -O3 -fomit-frame-pointer
-funroll-loops -fpeel-loops -ftracer -finline-functions execution test
FAIL: gcc.c-torture/execute/950612-1.c -O3 -g execution test
FAIL: gcc.c-torture/execute/builtin-bitops-1.c -O3 -fomit-frame-pointer
-funroll-loops -fpeel-loops -ftracer -finline-functions execution test
FAIL: gcc.c-torture/execute/builtin-bitops-1.c -O3 -g execution test
FAIL: gcc.dg/vect/vect-early-break_74.c execution test
FAIL: gcc.dg/vect/vect-early-break_74.c -flto -ffat-lto-objects execution test
FAIL: gcc.dg/vect/vect-early-break_78.c execution test
FAIL: gcc.dg/vect/vect-early-break_78.c -flto -ffat-lto-objects execution test
FAIL: gfortran.dg/power_8.f90 -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions execution test
FAIL: gfortran.dg/power_8.f90 -O3 -g execution test
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-7003/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="execute.exp=gcc.c-torture/execute/950612-1.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="execute.exp=gcc.c-torture/execute/950612-1.c
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="execute.exp=gcc.c-torture/execute/builtin-bitops-1.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="execute.exp=gcc.c-torture/execute/builtin-bitops-1.c
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-early-break_74.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-early-break_74.c
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-early-break_78.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="vect.exp=gcc.dg/vect/vect-early-break_78.c
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gfortran.dg/power_8.f90
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gfortran.dg/power_8.f90
--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.)