[all-commits] [llvm/llvm-project] 97f0c6: [RISCV] Define _m intrinsics as builtins, instead ...

[Kai Wang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 97f0c63783f52389bd8842df205379ceade7a89d
      https://github.com/llvm/llvm-project/commit/97f0c63783f52389bd8842df205379ceade7a89d
  Author: Hsiangkai Wang <kai.wang at sifive.com>
  Date:   2021-10-12 (Tue, 12 Oct 2021)

  Changed paths:
    M clang/include/clang/Basic/IdentifierTable.h
    M clang/include/clang/Basic/riscv_vector.td
    M clang/lib/CodeGen/CGBuiltin.cpp
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vaadd.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vadd.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vamoadd.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vamoand.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vamomax.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vamomin.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vamoor.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vamoswap.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vamoxor.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vand.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vasub.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vcompress.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vdiv.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfabs.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfadd.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfclass.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfcvt.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfdiv.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfirst.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfmax.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfmin.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfmul.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfmv.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfncvt.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfneg.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfrdiv.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfrec7.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfrsqrt7.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfrsub.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfsgnj.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfslide1down.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfslide1up.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfsqrt.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfsub.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfwadd.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfwcvt.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfwmul.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vfwsub.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vget.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vle.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vlmul.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vloxei.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vloxseg.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vlse.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vlseg.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vlsseg.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vluxei.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vluxseg.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmand.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmax.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmfeq.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmfge.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmfgt.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmfle.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmflt.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmfne.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmin.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmmv.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmnand.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmnor.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmnot.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmor.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmsbc.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmsbf.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmseq.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmsge.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmsgt.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmsif.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmsle.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmslt.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmsne.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmsof.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmul.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmxnor.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vmxor.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vnclip.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vncvt.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vneg.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vnot.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vnsra.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vnsrl.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vor.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vpopc.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vreinterpret.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vrem.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vrgather.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vrsub.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vsadd.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vse.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vset.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vsext.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vslide1down.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vslide1up.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vsll.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vsmul.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vsoxei.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vsoxseg.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vsra.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vsrl.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vsse.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vsseg.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vssra.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vssrl.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vssseg.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vssub.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vsub.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vsuxei.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vsuxseg.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vwadd.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vwcvt.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vwmul.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vwsub.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vxor.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics-overloaded/vzext.c
    M clang/test/CodeGen/RISCV/rvv-intrinsics/vadd-policy.c
    M clang/utils/TableGen/RISCVVEmitter.cpp

  Log Message:
  -----------
  [RISCV] Define _m intrinsics as builtins, instead of macros.

In the original design, we levarage _mt intrinsics to define macros for
_m intrinsics. Such as,

```
__builtin_rvv_vadd_vv_i8m1_mt((vbool8_t)(op0), (vint8m1_t)(op1), (vint8m1_t)(op2), (vint8m1_t)(op3), (size_t)(op4), (size_t)VE_TAIL_AGNOSTIC)
```

However, we could not define generic interface for mask intrinsics any
more due to clang_builtin_alias only accepts clang builtins as its
argument.

In the example,

```
 __rvv_overloaded
 __attribute__((clang_builtin_alias(__builtin_rvv_vadd_vv_i8m1_mt)))
  vint8m1_t vadd(vbool8_t op0, vint8m1_t op1, vint8m1_t op2, vint8m1_t
  op3, size_t op4, size_t op5);
```

op5 is the tail policy argument. When users want to use vadd generic
interface for masked vector add, they need to specify tail policy in the
previous design. In this patch, we define _m intrinsics as clang
builtins to solve the problem.

Differential Revision: https://reviews.llvm.org/D110684