* [r12-760 Regression] FAIL: gcc.target/i386/avx-pr94680.c scan-assembler-times (?n)vmov[a-z0-9]*[ \\t]*%xmm[0-9] 12 on Linux/x86_64
@ 2021-05-13 4:41 sunil.k.pandey
0 siblings, 0 replies; only message in thread
From: sunil.k.pandey @ 2021-05-13 4:41 UTC (permalink / raw)
To: gcc-patches, gcc-regression, hongtao.liu
On Linux/x86_64,
94de7e225c1fda079052c3f0725c926437d56c94 is the first bad commit
commit 94de7e225c1fda079052c3f0725c926437d56c94
Author: liuhongt <hongtao.liu@intel.com>
Date: Thu Apr 22 15:33:16 2021 +0800
Optimize __builtin_shuffle when it's used to zero the upper bits of the dest. [PR target/94680]
caused
FAIL: gcc.target/i386/avx-pr94680.c scan-assembler-not pxor
FAIL: gcc.target/i386/avx-pr94680.c scan-assembler-times (?n)vmov[a-z0-9]*[ \\t]*%xmm[0-9] 12
with GCC configured with
../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r12-760/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/avx-pr94680.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/avx-pr94680.c --target_board='unix{-m64\ -march=cascadelake}'"
(Please do not reply to this email, for question about this report, contact me at skpgkp2 at gmail dot com)
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2021-05-13 4:41 [r12-760 Regression] FAIL: gcc.target/i386/avx-pr94680.c scan-assembler-times (?n)vmov[a-z0-9]*[ \\t]*%xmm[0-9] 12 on Linux/x86_64 sunil.k.pandey
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