[r11-1518 Regression] FAIL: gcc.target/i386/pr78904-4a.c scan-assembler [ \t]movb[\t ]+%.h, t on Linux/x86_64 (-m32 -march=cascadelake)

sunil.k.pandey skpandey@sc.intel.com
Sun Aug 30 01:23:57 GMT 2020


On Linux/x86_64,

e95395926a84a2406faefe0995295d199d595440 is the first bad commit
commit e95395926a84a2406faefe0995295d199d595440
Author: Uros Bizjak <ubizjak@gmail.com>
Date:   Thu Jun 18 20:12:48 2020 +0200

    i386: Fix mode of ZERO_EXTRACT RTXes, remove ext_register_operand predicate.

caused

FAIL: gcc.target/i386/pr78904-4a.c scan-assembler [ \t]movb[\t ]+%.h, t

with GCC configured with

../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r11-1518/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/pr78904-4a.c --target_board='unix{-m32\ -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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