Re: [r17-3570 Regression] FAIL: gcc.target/i386/sse4_1-stv-12.c scan-assembler-times (movaps|vmovdqa) 4 on Linux/x86_64
"H.J. Lu via Gcc-regression" <[email protected]>
| Newsgroups | gmane.comp.gcc.regression,gmane.comp.gcc.patches |
|---|---|
| Message-ID | <CAMe9rOp6Pt+geCFGjdeB7rGXb-JU6nJBpbVw0svf6xt7_PozXA@mail.gmail.com> |
On Mon, Aug 24, 2026 at 7:41 PM Haochen Jiang <[email protected]> wrote: > > On Linux/x86_64, > > b8c1b044a4b2884577d3094513a25abcef1161ee is the first bad commit > commit b8c1b044a4b2884577d3094513a25abcef1161ee > Author: H.J. Lu <[email protected]> > Date: Mon Aug 24 08:08:06 2026 +0800 > > Scan both movaps and vmovdqa in SSE4.1 STV tests > > caused > > FAIL: gcc.target/i386/sse4_1-stv-11.c scan-assembler-times (movaps|vmovdqa) 4 > FAIL: gcc.target/i386/sse4_1-stv-12.c scan-assembler-times (movaps|vmovdqa) 4 These tests failed before my patch. > with GCC configured with > > ../../gcc/configure --prefix=/export/users3/haochenj/src/gcc-bisect/master/master/r17-3570/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/sse4_1-stv-11.c --target_board='unix{-m64\ -march=cascadelake}'" > $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/sse4_1-stv-12.c --target_board='unix{-m64\ -march=cascadelake}'" > > (Please directly reply to this email for question about this report.) > (If you met problems with cascadelake related, disabling AVX512F in command line might save that.) > (However, please make sure that there is no potential problems with AVX512.) -- H.J.