[all-commits] [llvm/llvm-project] fb8770: [RISCV] Support XSfmm C intrinsics (#143070)

[Brandon Wu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: fb87708317e28573151d588bd117701dd77f2e16
      https://github.com/llvm/llvm-project/commit/fb87708317e28573151d588bd117701dd77f2e16
  Author: Brandon Wu <songwu0813 at gmail.com>
  Date:   2025-10-25 (Sat, 25 Oct 2025)

  Changed paths:
    M clang/include/clang/Basic/DiagnosticSemaKinds.td
    M clang/include/clang/Basic/riscv_sifive_vector.td
    M clang/include/clang/Basic/riscv_vector_common.td
    M clang/include/clang/Support/RISCVVIntrinsicUtils.h
    M clang/lib/CodeGen/TargetBuiltins/RISCV.cpp
    M clang/lib/Headers/sifive_vector.h
    M clang/lib/Sema/SemaRISCV.cpp
    M clang/lib/Support/RISCVVIntrinsicUtils.cpp
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_mm_e4m3_e4m3.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_mm_e4m3_e5m2.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_mm_e5m2_e4m3.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_mm_e5m2_e5m2.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_mm_f_f.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_mm_s_s.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_mm_s_u.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_mm_u_s.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_mm_u_u.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_vlte16.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_vlte32.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_vlte64.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_vlte8.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_vsettk.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_vsettm.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_vsettn.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_vsettnt.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_vste16.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_vste32.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_vste64.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_vste8.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_vtdiscard.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_vtmv_t_v.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_vtmv_v_t.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/non-overloaded/sf_vtzero_t.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/overloaded/sf_mm_e4m3_e4m3.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/overloaded/sf_mm_e4m3_e5m2.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/overloaded/sf_mm_e5m2_e4m3.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/overloaded/sf_mm_e5m2_e5m2.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/overloaded/sf_mm_f_f.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/overloaded/sf_mm_s_s.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/overloaded/sf_mm_s_u.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/overloaded/sf_mm_u_s.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/overloaded/sf_mm_u_u.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/overloaded/sf_vlte16.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/overloaded/sf_vlte32.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/overloaded/sf_vlte64.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/overloaded/sf_vlte8.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/overloaded/sf_vste16.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/overloaded/sf_vste32.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/overloaded/sf_vste64.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/overloaded/sf_vste8.c
    A clang/test/CodeGen/RISCV/rvv-intrinsics-sifive/non-policy/overloaded/sf_vtmv_t_v.c
    A clang/test/Sema/sifive-xsfmm.c
    A clang/test/Sema/sifive_sf_vset_invalid.c
    M clang/utils/TableGen/RISCVVEmitter.cpp

  Log Message:
  -----------
  [RISCV] Support XSfmm C intrinsics (#143070)

In this version of intrinsics, users need to manage the life time of
tiles on their own, compiler doesn't have tile type for variables not
only for design simplicity but also preventing users to write bad
performance code that could potentially having tile spills which are
quite expensive in terms of cycles.

Intrinsics are specified at the end of this document
https://www.sifive.com/document-file/xsfmm-matrix-extensions-specification

stack on: https://github.com/llvm/llvm-project/pull/143068 and
https://github.com/llvm/llvm-project/pull/143069



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