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* [r12-4601 Regression] FAIL: gcc.target/i386/avx512fp16-13.c scan-assembler-times vmovdqa64[ \\t]+[^{\n]*%ymm[0-9]+[^\n]*\\) 1 on Linux/x86_64
@ 2021-10-21 18:05 sunil.k.pandey
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From: sunil.k.pandey @ 2021-10-21 18:05 UTC (permalink / raw)
To: gcc-patches, gcc-regression, hongyu.wang
On Linux/x86_64,
c8a889fc0e115d40a2d02f32842655f3eadc8fa1 is the first bad commit
commit c8a889fc0e115d40a2d02f32842655f3eadc8fa1
Author: Hongyu Wang <hongyu.wang@intel.com>
Date: Wed Oct 20 13:13:39 2021 +0800
i386: Fix wrong codegen for V8HF move without TARGET_AVX512F
caused
FAIL: gcc.target/i386/avx512fp16-13.c scan-assembler-times vmovdqa64[ \\t]+[^{\n]*%xmm[0-9]+[^\n]*\\) 1
FAIL: gcc.target/i386/avx512fp16-13.c scan-assembler-times vmovdqa64[ \\t]+[^{\n]*%ymm[0-9]+[^\n]*\\) 1
with GCC configured with
../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r12-4601/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/avx512fp16-13.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512fp16-13.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512fp16-13.c --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512fp16-13.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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2021-10-21 18:05 [r12-4601 Regression] FAIL: gcc.target/i386/avx512fp16-13.c scan-assembler-times vmovdqa64[ \\t]+[^{\n]*%ymm[0-9]+[^\n]*\\) 1 on Linux/x86_64 sunil.k.pandey
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