On Linux/x86_64,
f9ca3fd1fe30f3ee6725bfe4a612e9a1234c11ac is the first bad commit
commit f9ca3fd1fe30f3ee6725bfe4a612e9a1234c11ac
Author: Levy Hsu <[email protected]>
Date: Mon Sep 2 13:52:38 2024 +0800
i386: Support partial vectorized FMA for V2BF/V4BF
caused
FAIL: gcc.target/i386/avx10_2-partial-bf-vector-fma-1.c scan-assembler-times
vfmadd132nepbf16[
\\t]+[^{\n]*%xmm[0-9]+[^\n\r]*%xmm[0-9]+[^\n\r]*%xmm[0-9]+(?:\n|[ \\t]+#) 2
FAIL: gcc.target/i386/avx10_2-partial-bf-vector-fma-1.c scan-assembler-times
vfmsub132nepbf16[
\\t]+[^{\n]*%xmm[0-9]+[^\n\r]*%xmm[0-9]+[^\n\r]*%xmm[0-9]+(?:\n|[ \\t]+#) 2
FAIL: gcc.target/i386/avx10_2-partial-bf-vector-fma-1.c scan-assembler-times
vfnmadd132nepbf16[
\\t]+[^{\n]*%xmm[0-9]+[^\n\r]*%xmm[0-9]+[^\n\r]*%xmm[0-9]+(?:\n|[ \\t]+#) 2
FAIL: gcc.target/i386/avx10_2-partial-bf-vector-fma-1.c scan-assembler-times
vfnmsub132nepbf16[
\\t]+[^{\n]*%xmm[0-9]+[^\n\r]*%xmm[0-9]+[^\n\r]*%xmm[0-9]+(?:\n|[ \\t]+#) 2
FAIL: gcc.target/i386/avx10_2-partial-bf-vector-fma-1.c (test for excess errors)
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r15-3464/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="i386.exp=gcc.target/i386/avx10_2-partial-bf-vector-fma-1.c
--target_board='unix{-m32\ -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.)
