* [r14-2047 Regression] FAIL: gcc.target/i386/pr78904-1b.c scan-assembler [ \t]xorb on Linux/x86_64
@ 2023-06-23 23:27 haochen.jiang
0 siblings, 0 replies; only message in thread
From: haochen.jiang @ 2023-06-23 23:27 UTC (permalink / raw)
To: roger, gcc-regression, gcc-patches, haochen.jiang
On Linux/x86_64,
d0e891406b16dc28905717de2333f5637cf71d3e is the first bad commit
commit d0e891406b16dc28905717de2333f5637cf71d3e
Author: Roger Sayle <roger@nextmovesoftware.com>
Date: Fri Jun 23 15:23:20 2023 +0100
Improved SUBREG simplifications in simplify-rtx.cc's simplify_subreg.
caused
FAIL: gcc.target/i386/pr78904-1b.c scan-assembler-not movb
FAIL: gcc.target/i386/pr78904-1b.c scan-assembler [ \t]andb
FAIL: gcc.target/i386/pr78904-1b.c scan-assembler [ \t]orb
FAIL: gcc.target/i386/pr78904-1b.c scan-assembler [ \t]xorb
with GCC configured with
../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-2047/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/pr78904-1b.c --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr78904-1b.c --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 intel.com)
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2023-06-23 23:27 [r14-2047 Regression] FAIL: gcc.target/i386/pr78904-1b.c scan-assembler [ \t]xorb on Linux/x86_64 haochen.jiang
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