https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101185
Bug ID: 101185
Summary: pr96814 failed after r12-1669 on non-avx512 platform
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: crazylht at gmail dot com
CC: uros at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-*-* i?86-*-*
> > > Running target unix/-m32
> > > FAIL: gcc.target/i386/avx512bw-pr70329-1.c execution test
> > > FAIL: gcc.target/i386/pr96814.c execution test
> > >
> > > Debugging pr96814 failure:
> > >
> > > 0x0804921d <+66>: mov %edx,%ecx
> > > 0x0804921f <+68>: cpuid
> > > => 0x08049221 <+70>: kmovd %edx,%k0
> > > 0x08049225 <+74>: mov %eax,-0x8(%ebp)
> > > 0x08049228 <+77>: mov %ebx,-0xc(%ebp)
> > >
mask intructions generated after cpuid which raise SIGILL on non-avx512
platform.
