On Mon, Jul 27, 2026 at 5:39 PM Dipesh Sharma <[email protected]> wrote: > > Hi All, > > This series of 7 patches aims to add support for cpuid detection, > builtins and intrinsics for AVX10_V2_AUX instructions. > > AVX10_V2_AUX is a new ISA for x86, supporting converts between FP32-FP8, > FP8-FP4, FP8-FP6, and vice-versa. > For more details, please refer to the specification here: > https://x86ecosystem.org/resource/ai-compute-extensions-ace-specification/ > > This series of patches address the comments on previous revision from Haochen > Jiang. > > Bootstraped and regtested on x86_64-linux-gnu. Ok for trunk? > > Patch details are as follows: > - Patch 01/07: Add support for cpuid detection for AVX10_V2_AUX and supported > FP32 to FP8 single-source RTNE converts. > - Patch 02/07: Add FP32 to FP8 single-source RTO converts. > - Patch 03/07: Add FP32 to FP8 biased converts. > - Patch 04/07: Add FP8 to FP32 converts. > - Patch 05/07: Add FP8 to FP4 and vice-versa converts. > - Patch 06/07: Add FP8 to FP6 and vice-versa converts. Patch 01-06 LGTM, you can submit them, but not patch 07 since it's still under review.
> - Patch 07/07: Add sub-byte element extraction and symmetric signed > saturation narrow support. > > > gcc/common/config/i386/cpuinfo.h | 7 + > gcc/common/config/i386/i386-common.cc | 22 +- > gcc/common/config/i386/i386-cpuinfo.h | 1 + > gcc/common/config/i386/i386-isas.h | 2 + > gcc/config.gcc | 3 +- > gcc/config/i386/avx10v2auxintrin.h | 1861 +++++++++++++++++ > gcc/config/i386/cpuid.h | 4 + > gcc/config/i386/i386-builtin-types.def | 18 + > gcc/config/i386/i386-builtin.def | 72 + > gcc/config/i386/i386-c.cc | 2 + > gcc/config/i386/i386-expand.cc | 20 + > gcc/config/i386/i386-isa.def | 1 + > gcc/config/i386/i386-options.cc | 4 +- > gcc/config/i386/i386.opt | 5 + > gcc/config/i386/i386.opt.urls | 3 + > gcc/config/i386/immintrin.h | 2 + > gcc/config/i386/predicates.md | 5 + > gcc/config/i386/sse.md | 613 ++++++ > gcc/doc/extend.texi | 5 + > gcc/doc/invoke.texi | 8 +- > gcc/doc/sourcebuild.texi | 3 + > .../gcc.target/i386/avx10v2aux-convert-1a.c | 112 + > .../gcc.target/i386/avx10v2aux-convert-1b.c | 61 + > .../gcc.target/i386/avx10v2aux-convert-1c.c | 114 + > .../gcc.target/i386/avx10v2aux-convert-1d.c | 61 + > .../gcc.target/i386/avx10v2aux-convert-1e.c | 30 + > .../gcc.target/i386/avx10v2aux-convert-1f.c | 36 + > .../gcc.target/i386/avx10v2aux-convert-1g.c | 26 + > .../gcc.target/i386/avx10v2aux-convert-1h.c | 61 + > .../gcc.target/i386/avx10v2aux-convert-1i.c | 36 + > .../gcc.target/i386/avx10v2aux-convert-1j.c | 43 + > .../gcc.target/i386/avx10v2aux-convert-1k.c | 29 + > gcc/testsuite/lib/target-supports.exp | 14 + > 33 files changed, 3279 insertions(+), 5 deletions(-) > create mode 100644 gcc/config/i386/avx10v2auxintrin.h > create mode 100644 gcc/testsuite/gcc.target/i386/avx10v2aux-convert-1a.c > create mode 100644 gcc/testsuite/gcc.target/i386/avx10v2aux-convert-1b.c > create mode 100644 gcc/testsuite/gcc.target/i386/avx10v2aux-convert-1c.c > create mode 100644 gcc/testsuite/gcc.target/i386/avx10v2aux-convert-1d.c > create mode 100644 gcc/testsuite/gcc.target/i386/avx10v2aux-convert-1e.c > create mode 100644 gcc/testsuite/gcc.target/i386/avx10v2aux-convert-1f.c > create mode 100644 gcc/testsuite/gcc.target/i386/avx10v2aux-convert-1g.c > create mode 100644 gcc/testsuite/gcc.target/i386/avx10v2aux-convert-1h.c > create mode 100644 gcc/testsuite/gcc.target/i386/avx10v2aux-convert-1i.c > create mode 100644 gcc/testsuite/gcc.target/i386/avx10v2aux-convert-1j.c > create mode 100644 gcc/testsuite/gcc.target/i386/avx10v2aux-convert-1k.c > > -- > 2.34.1 > -- BR, Hongtao
