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* [r13-2804 Regression] FAIL: scan-assembler vmovupd.*movv2df_internal/4 on Linux/x86_64
@ 2022-09-23 21:12 haochen.jiang
  0 siblings, 0 replies; only message in thread
From: haochen.jiang @ 2022-09-23 21:12 UTC (permalink / raw)
  To: haochen.jiang, gcc-patches, gcc-regression,

On Linux/x86_64,

a282f086ef26d90e9785e992cd09a0d118b24695 is the first bad commit
commit a282f086ef26d90e9785e992cd09a0d118b24695
Author: Hu, Lin1 <>
Date:   Tue Sep 13 16:28:54 2022 +0800

    i386: Optimize code generation of __mm256_zextsi128_si256(__mm_set1_epi8(-1))


FAIL: scan-assembler vextractf128
FAIL: scan-assembler vmovupd.*movv2df_internal/4

with GCC configured with

../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r13-2804/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=" --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS=" --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

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