diff --git a/gcc/config/riscv/riscv-vector-builtins-bases.cc b/gcc/config/riscv/riscv-vector-builtins-bases.cc index afe3735f5ee8da1b35a864cb329e67fc1f8b36c2..1695d77e8bdb4e38dfc3db71b893a4542c03db4a 100644 --- a/gcc/config/riscv/riscv-vector-builtins-bases.cc +++ b/gcc/config/riscv/riscv-vector-builtins-bases.cc @@ -356,6 +356,29 @@ public: } }; +/* Implements below instructions for frm + - vfmacc +*/ +class vfmacc_frm : public function_base +{ +public: + bool has_rounding_mode_operand_p () const override { return true; } + + bool has_merge_operand_p () const override { return false; } + + rtx expand (function_expander &e) const override + { + if (e.op_info->op == OP_TYPE_vf) + return e.use_ternop_insn (true, + code_for_pred_mul_scalar (PLUS, + e.vector_mode ())); + if (e.op_info->op == OP_TYPE_vv) + return e.use_ternop_insn (true, + code_for_pred_mul (PLUS, e.vector_mode ())); + gcc_unreachable (); + } +}; + /* Implements vrsub. */ class vrsub : public function_base { @@ -2116,6 +2139,7 @@ static CONSTEXPR const reverse_binop_frm<DIV> vfrdiv_frm_obj; static CONSTEXPR const widen_binop<MULT> vfwmul_obj; static CONSTEXPR const widen_binop_frm<MULT> vfwmul_frm_obj; static CONSTEXPR const vfmacc vfmacc_obj; +static CONSTEXPR const vfmacc_frm vfmacc_frm_obj; static CONSTEXPR const vfnmsac vfnmsac_obj; static CONSTEXPR const vfmadd vfmadd_obj; static CONSTEXPR const vfnmsub vfnmsub_obj; @@ -2351,6 +2375,7 @@ BASE (vfrdiv_frm) BASE (vfwmul) BASE (vfwmul_frm) BASE (vfmacc) +BASE (vfmacc_frm) BASE (vfnmsac) BASE (vfmadd) BASE (vfnmsub) diff --git a/gcc/config/riscv/riscv-vector-builtins-bases.h b/gcc/config/riscv/riscv-vector-builtins-bases.h index 2d2b52a312c77e66b4ea4ab7292a693110221693..67d18412b4cfa442098a13321104a2ae35020817 100644 --- a/gcc/config/riscv/riscv-vector-builtins-bases.h +++ b/gcc/config/riscv/riscv-vector-builtins-bases.h @@ -160,6 +160,7 @@ 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 vfmacc_frm; extern const function_base *const vfnmsac; extern const function_base *const vfmadd; extern const function_base *const vfnmsub; diff --git a/gcc/config/riscv/riscv-vector-builtins-functions.def b/gcc/config/riscv/riscv-vector-builtins-functions.def index d43b33ded17a8de70321b74c91ab9e01835f401a..92ecf8a9065ab2a7ef93da64c4404a9a725f445d 100644 --- a/gcc/config/riscv/riscv-vector-builtins-functions.def +++ b/gcc/config/riscv/riscv-vector-builtins-functions.def @@ -349,6 +349,9 @@ DEF_RVV_FUNCTION (vfnmadd, alu, full_preds, f_vvfv_ops) DEF_RVV_FUNCTION (vfmsub, alu, full_preds, f_vvvv_ops) DEF_RVV_FUNCTION (vfmsub, alu, full_preds, f_vvfv_ops) +DEF_RVV_FUNCTION (vfmacc_frm, alu_frm, full_preds, f_vvvv_ops) +DEF_RVV_FUNCTION (vfmacc_frm, alu_frm, full_preds, f_vvfv_ops) + // 13.7. Vector Widening Floating-Point Fused Multiply-Add Instructions DEF_RVV_FUNCTION (vfwmacc, alu, full_preds, f_wwvv_ops) DEF_RVV_FUNCTION (vfwmacc, alu, full_preds, f_wwfv_ops) diff --git a/gcc/testsuite/gcc.target/riscv/rvv/base/float-point-macc.c b/gcc/testsuite/gcc.target/riscv/rvv/base/float-point-macc.c new file mode 100644 index 0000000000000000000000000000000000000000..df29f4d240f844086bdb4ff4d46c2739c33fe4ec --- /dev/null +++ b/gcc/testsuite/gcc.target/riscv/rvv/base/float-point-macc.c @@ -0,0 +1,47 @@ +/* { dg-do compile } */ +/* { dg-options "-march=rv64gcv -mabi=lp64 -O3 -Wno-psabi" } */ + +#include "riscv_vector.h" + +typedef float float32_t; + +vfloat32m1_t +test_riscv_vfmacc_vv_f32m1_rm (vfloat32m1_t vd, vfloat32m1_t op1, + vfloat32m1_t op2, size_t vl) { + return __riscv_vfmacc_vv_f32m1_rm (vd, op1, op2, 0, vl); +} + +vfloat32m1_t +test_vfmacc_vv_f32m1_rm_m (vbool32_t mask, vfloat32m1_t vd, vfloat32m1_t op1, + vfloat32m1_t op2, size_t vl) { + return __riscv_vfmacc_vv_f32m1_rm_m (mask, vd, op1, op2, 1, vl); +} + +vfloat32m1_t +test_vfmacc_vf_f32m1_rm (vfloat32m1_t vd, float32_t op1, vfloat32m1_t op2, + size_t vl) { + return __riscv_vfmacc_vf_f32m1_rm (vd, op1, op2, 2, vl); +} + +vfloat32m1_t +test_vfmacc_vf_f32m1_rm_m (vfloat32m1_t vd, vbool32_t mask, float32_t op1, + vfloat32m1_t op2, size_t vl) { + return __riscv_vfmacc_vf_f32m1_rm_m (mask, vd, op1, op2, 3, vl); +} + +vfloat32m1_t +test_riscv_vfmacc_vv_f32m1 (vfloat32m1_t vd, vfloat32m1_t op1, vfloat32m1_t op2, + size_t vl) { + return __riscv_vfmacc_vv_f32m1 (vd, op1, op2, vl); +} + +vfloat32m1_t +test_vfmacc_vv_f32m1_m (vbool32_t mask, vfloat32m1_t vd, vfloat32m1_t op1, + vfloat32m1_t op2, size_t vl) { + return __riscv_vfmacc_vv_f32m1_m (mask, vd, op1, op2, vl); +} + +/* { dg-final { scan-assembler-times {vfmacc\.v[vf]\s+v[0-9]+,\s*[fav]+[0-9]+,\s*v[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 } } */