From dd03fb9962e4776286d7654df09549c0e712465e Mon Sep 17 00:00:00 2001 From: Pan Li Date: Thu, 3 Aug 2023 13:18:30 +0800 Subject: [PATCH] RISC-V: Support RVV VFWMUL rounding mode intrinsic API This patch would like to support the rounding mode API for the VFWMUL for the below samples. * __riscv_vfwmul_vv_f64m2_rm * __riscv_vfwmul_vv_f64m2_rm_m * __riscv_vfwmul_vf_f64m2_rm * __riscv_vfwmul_vf_f64m2_rm_m Signed-off-by: Pan Li gcc/ChangeLog: * config/riscv/riscv-vector-builtins-bases.cc (vfwmul_frm_obj): New declaration. (vfwmul_frm): Ditto. * config/riscv/riscv-vector-builtins-bases.h: (vfwmul_frm): Ditto. * config/riscv/riscv-vector-builtins-functions.def (vfwmul_frm): New function definition. * config/riscv/vector.md: (frm_mode) Add vfwmul to frm_mode. gcc/testsuite/ChangeLog: * gcc.target/riscv/rvv/base/float-point-widening-mul.c: New test. --- .../riscv/riscv-vector-builtins-bases.cc | 3 ++ .../riscv/riscv-vector-builtins-bases.h | 1 + .../riscv/riscv-vector-builtins-functions.def | 2 + gcc/config/riscv/vector.md | 2 +- .../riscv/rvv/base/float-point-widening-mul.c | 44 +++++++++++++++++++ 5 files changed, 51 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/base/float-point-widening-mul.c diff --git a/gcc/config/riscv/riscv-vector-builtins-bases.cc b/gcc/config/riscv/riscv-vector-builtins-bases.cc index 61a506507ec7..afe3735f5ee8 100644 --- a/gcc/config/riscv/riscv-vector-builtins-bases.cc +++ b/gcc/config/riscv/riscv-vector-builtins-bases.cc @@ -322,6 +322,7 @@ public: /* Implements below instructions for frm - vfwadd - vfwsub + - vfwmul */ template class widen_binop_frm : public function_base @@ -2113,6 +2114,7 @@ static CONSTEXPR const binop_frm
vfdiv_frm_obj; static CONSTEXPR const reverse_binop
vfrdiv_obj; static CONSTEXPR const reverse_binop_frm
vfrdiv_frm_obj; static CONSTEXPR const widen_binop vfwmul_obj; +static CONSTEXPR const widen_binop_frm vfwmul_frm_obj; static CONSTEXPR const vfmacc vfmacc_obj; static CONSTEXPR const vfnmsac vfnmsac_obj; static CONSTEXPR const vfmadd vfmadd_obj; @@ -2347,6 +2349,7 @@ BASE (vfdiv_frm) BASE (vfrdiv) BASE (vfrdiv_frm) BASE (vfwmul) +BASE (vfwmul_frm) BASE (vfmacc) BASE (vfnmsac) BASE (vfmadd) diff --git a/gcc/config/riscv/riscv-vector-builtins-bases.h b/gcc/config/riscv/riscv-vector-builtins-bases.h index f35fd3d27cfa..2d2b52a312c7 100644 --- a/gcc/config/riscv/riscv-vector-builtins-bases.h +++ b/gcc/config/riscv/riscv-vector-builtins-bases.h @@ -158,6 +158,7 @@ extern const function_base *const vfdiv_frm; extern const function_base *const vfrdiv; extern const function_base *const vfrdiv_frm; extern const function_base *const vfwmul; +extern const function_base *const vfwmul_frm; extern const function_base *const vfmacc; extern const function_base *const vfnmsac; extern const function_base *const vfmadd; diff --git a/gcc/config/riscv/riscv-vector-builtins-functions.def b/gcc/config/riscv/riscv-vector-builtins-functions.def index e7e6c7d8ed86..d43b33ded17a 100644 --- a/gcc/config/riscv/riscv-vector-builtins-functions.def +++ b/gcc/config/riscv/riscv-vector-builtins-functions.def @@ -328,6 +328,8 @@ DEF_RVV_FUNCTION (vfrdiv_frm, alu_frm, full_preds, f_vvf_ops) // 13.5. Vector Widening Floating-Point Multiply DEF_RVV_FUNCTION (vfwmul, alu, full_preds, f_wvv_ops) DEF_RVV_FUNCTION (vfwmul, alu, full_preds, f_wvf_ops) +DEF_RVV_FUNCTION (vfwmul_frm, alu_frm, full_preds, f_wvv_ops) +DEF_RVV_FUNCTION (vfwmul_frm, alu_frm, full_preds, f_wvf_ops) // 13.6. Vector Single-Width Floating-Point Fused Multiply-Add Instructions DEF_RVV_FUNCTION (vfmacc, alu, full_preds, f_vvvv_ops) diff --git a/gcc/config/riscv/vector.md b/gcc/config/riscv/vector.md index 4b6c38599470..750b2de8df99 100644 --- a/gcc/config/riscv/vector.md +++ b/gcc/config/riscv/vector.md @@ -866,7 +866,7 @@ ;; Defines rounding mode of an floating-point operation. (define_attr "frm_mode" "rne,rtz,rdn,rup,rmm,dyn,dyn_exit,dyn_call,none" - (cond [(eq_attr "type" "vfalu,vfwalu,vfmul,vfdiv") + (cond [(eq_attr "type" "vfalu,vfwalu,vfmul,vfdiv,vfwmul") (cond [(match_test "INTVAL (operands[9]) == riscv_vector::FRM_RNE") (const_string "rne") diff --git a/gcc/testsuite/gcc.target/riscv/rvv/base/float-point-widening-mul.c b/gcc/testsuite/gcc.target/riscv/rvv/base/float-point-widening-mul.c new file mode 100644 index 000000000000..893fa866a31e --- /dev/null +++ b/gcc/testsuite/gcc.target/riscv/rvv/base/float-point-widening-mul.c @@ -0,0 +1,44 @@ +/* { dg-do compile } */ +/* { dg-options "-march=rv64gcv -mabi=lp64 -O3 -Wno-psabi" } */ + +#include "riscv_vector.h" + +typedef float float32_t; + +vfloat64m2_t +test_vfwmul_vv_f32m1_rm (vfloat32m1_t op1, vfloat32m1_t op2, size_t vl) { + return __riscv_vfwmul_vv_f64m2_rm (op1, op2, 0, vl); +} + +vfloat64m2_t +test_vfwmul_vv_f32m1_rm_m (vbool32_t mask, vfloat32m1_t op1, vfloat32m1_t op2, + size_t vl) { + return __riscv_vfwmul_vv_f64m2_rm_m (mask, op1, op2, 1, vl); +} + +vfloat64m2_t +test_vfwmul_vf_f32m1_rm (vfloat32m1_t op1, float32_t op2, size_t vl) { + return __riscv_vfwmul_vf_f64m2_rm (op1, op2, 2, vl); +} + +vfloat64m2_t +test_vfwmul_vf_f32m1_rm_m (vbool32_t mask, vfloat32m1_t op1, float32_t op2, + size_t vl) { + return __riscv_vfwmul_vf_f64m2_rm_m (mask, op1, op2, 3, vl); +} + +vfloat64m2_t +test_vfwmul_vv_f32m1 (vfloat32m1_t op1, vfloat32m1_t op2, size_t vl) { + return __riscv_vfwmul_vv_f64m2 (op1, op2, vl); +} + +vfloat64m2_t +test_vfwmul_vv_f32m1_m (vbool32_t mask, vfloat32m1_t op1, vfloat32m1_t op2, + size_t vl) { + return __riscv_vfwmul_vv_f64m2_m (mask, op1, op2, vl); +} + +/* { dg-final { scan-assembler-times {vfwmul\.[vw][vf]\s+v[0-9]+,\s*v[0-9]+,\s*[fav]+[0-9]+} 6 } } */ +/* { dg-final { scan-assembler-times {frrm\s+[axs][0-9]+} 4 } } */ +/* { dg-final { scan-assembler-times {fsrm\s+[axs][0-9]+} 4 } } */ +/* { dg-final { scan-assembler-times {fsrmi\s+[01234]} 4 } } */ -- 2.47.2