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* [r13-1982 Regression] FAIL: scan-assembler-times xorq 4 on Linux/x86_64
@ 2022-08-07 20:16 haochen.jiang
  0 siblings, 0 replies; only message in thread
From: haochen.jiang @ 2022-08-07 20:16 UTC (permalink / raw)
  To: haochen.jiang, gcc-patches, gcc-regression, roger

On Linux/x86_64,

a46bca36b7b3a8a7e15b04225fb2b4f9b1bed62c is the first bad commit
commit a46bca36b7b3a8a7e15b04225fb2b4f9b1bed62c
Author: Roger Sayle <>
Date:   Sun Aug 7 08:49:48 2022 +0100

    Allow any immediate constant in *cmp<dwi>_doubleword splitter on x86_64.


FAIL: scan-assembler-times xorq 4

with GCC configured with

../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r13-1982/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{-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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