Re: [PATCH] x86: Compile vect-shiftv[48]qi.c with -mno-ssse3 -mtune=generic
Uros Bizjak <[email protected]>
| Newsgroups | gmane.comp.gcc.patches |
|---|---|
| Message-ID | <CAFULd4Yarzmr4VJ0x2_ScVvLm+omqwGjzc+gyqWQ9Cfr+6w0Ug@mail.gmail.com> |
On Thu, Aug 20, 2026 at 4:37 AM H.J. Lu <[email protected]> wrote: > > Compile vect-shiftv[48]qi.c with -mno-ssse3 -mtune=generic to avoid > > FAIL: gcc.target/i386/vect-shiftv4qi.c scan-assembler-times psllw 2 > FAIL: gcc.target/i386/vect-shiftv4qi.c scan-assembler-times psrlw 5 > FAIL: gcc.target/i386/vect-shiftv8qi.c scan-assembler-times psllw 2 > FAIL: gcc.target/i386/vect-shiftv8qi.c scan-assembler-times psrlw 5 > > due to SSSE3/SSE4 instructions and different code sequences when SSSE3 > is enabled by default and a different default cost mode is in use. > > PR testsuite/126923 > * gcc.target/i386/vect-shiftv4qi.c (dg-options): Replace > "-mno-avx2 -mno-avx512vl" with "-mno-ssse3 -mtune=generic". > * gcc.target/i386/vect-shiftv8qi.c (dg-options): Likewise. OK. Thanks, Uros.