From: pan2.li@intel.com
To: gcc-patches@gcc.gnu.org
Cc: juzhe.zhong@rivai.ai, jeffreyalaw@gmail.com, pan2.li@intel.com,
yanzhang.wang@intel.com, kito.cheng@gmail.com
Subject: [PATCH v1] RISC-V: Support RVV VFMADD rounding mode intrinsic API
Date: Fri, 11 Aug 2023 15:17:48 +0800 [thread overview]
Message-ID: <20230811071748.486528-1-pan2.li@intel.com> (raw)
From: Pan Li <pan2.li@intel.com>
This patch would like to support the rounding mode API for the
VFMADD as the below samples.
* __riscv_vfmadd_vv_f32m1_rm
* __riscv_vfmadd_vv_f32m1_rm_m
* __riscv_vfmadd_vf_f32m1_rm
* __riscv_vfmadd_vf_f32m1_rm_m
Signed-off-by: Pan Li <pan2.li@intel.com>
gcc/ChangeLog:
* config/riscv/riscv-vector-builtins-bases.cc
(class vfmadd_frm): New class for vfmadd frm.
(vfmadd_frm_obj): New declaration.
(BASE): Ditto.
* config/riscv/riscv-vector-builtins-bases.h: Ditto.
* config/riscv/riscv-vector-builtins-functions.def
(vfmadd_frm): New function definition.
gcc/testsuite/ChangeLog:
* gcc.target/riscv/rvv/base/float-point-madd.c: New test.
---
.../riscv/riscv-vector-builtins-bases.cc | 25 ++++++++++
.../riscv/riscv-vector-builtins-bases.h | 1 +
.../riscv/riscv-vector-builtins-functions.def | 2 +
.../riscv/rvv/base/float-point-madd.c | 47 +++++++++++++++++++
4 files changed, 75 insertions(+)
create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/base/float-point-madd.c
diff --git a/gcc/config/riscv/riscv-vector-builtins-bases.cc b/gcc/config/riscv/riscv-vector-builtins-bases.cc
index 60c6e16f6ae..7476cdc317d 100644
--- a/gcc/config/riscv/riscv-vector-builtins-bases.cc
+++ b/gcc/config/riscv/riscv-vector-builtins-bases.cc
@@ -447,6 +447,29 @@ public:
}
};
+/* Implements below instructions for frm
+ - vfmadd
+*/
+class vfmadd_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 (
+ false, code_for_pred_mul_scalar (PLUS, e.vector_mode ()));
+ if (e.op_info->op == OP_TYPE_vv)
+ return e.use_ternop_insn (
+ false, code_for_pred_mul (PLUS, e.vector_mode ()));
+
+ gcc_unreachable ();
+ }
+};
+
/* Implements vrsub. */
class vrsub : public function_base
{
@@ -2211,6 +2234,7 @@ static CONSTEXPR const vfmacc_frm vfmacc_frm_obj;
static CONSTEXPR const vfnmsac vfnmsac_obj;
static CONSTEXPR const vfnmsac_frm vfnmsac_frm_obj;
static CONSTEXPR const vfmadd vfmadd_obj;
+static CONSTEXPR const vfmadd_frm vfmadd_frm_obj;
static CONSTEXPR const vfnmsub vfnmsub_obj;
static CONSTEXPR const vfnmacc vfnmacc_obj;
static CONSTEXPR const vfnmacc_frm vfnmacc_frm_obj;
@@ -2450,6 +2474,7 @@ BASE (vfmacc_frm)
BASE (vfnmsac)
BASE (vfnmsac_frm)
BASE (vfmadd)
+BASE (vfmadd_frm)
BASE (vfnmsub)
BASE (vfnmacc)
BASE (vfnmacc_frm)
diff --git a/gcc/config/riscv/riscv-vector-builtins-bases.h b/gcc/config/riscv/riscv-vector-builtins-bases.h
index 28eec2c3e99..5850ff0cf2e 100644
--- a/gcc/config/riscv/riscv-vector-builtins-bases.h
+++ b/gcc/config/riscv/riscv-vector-builtins-bases.h
@@ -164,6 +164,7 @@ extern const function_base *const vfmacc_frm;
extern const function_base *const vfnmsac;
extern const function_base *const vfnmsac_frm;
extern const function_base *const vfmadd;
+extern const function_base *const vfmadd_frm;
extern const function_base *const vfnmsub;
extern const function_base *const vfnmacc;
extern const function_base *const vfnmacc_frm;
diff --git a/gcc/config/riscv/riscv-vector-builtins-functions.def b/gcc/config/riscv/riscv-vector-builtins-functions.def
index c84e052c1a9..04f3de1275c 100644
--- a/gcc/config/riscv/riscv-vector-builtins-functions.def
+++ b/gcc/config/riscv/riscv-vector-builtins-functions.def
@@ -357,6 +357,8 @@ DEF_RVV_FUNCTION (vfmsac_frm, alu_frm, full_preds, f_vvvv_ops)
DEF_RVV_FUNCTION (vfmsac_frm, alu_frm, full_preds, f_vvfv_ops)
DEF_RVV_FUNCTION (vfnmsac_frm, alu_frm, full_preds, f_vvvv_ops)
DEF_RVV_FUNCTION (vfnmsac_frm, alu_frm, full_preds, f_vvfv_ops)
+DEF_RVV_FUNCTION (vfmadd_frm, alu_frm, full_preds, f_vvvv_ops)
+DEF_RVV_FUNCTION (vfmadd_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)
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/base/float-point-madd.c b/gcc/testsuite/gcc.target/riscv/rvv/base/float-point-madd.c
new file mode 100644
index 00000000000..00c9d002998
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/base/float-point-madd.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_vfmadd_vv_f32m1_rm (vfloat32m1_t vd, vfloat32m1_t op1,
+ vfloat32m1_t op2, size_t vl) {
+ return __riscv_vfmadd_vv_f32m1_rm (vd, op1, op2, 0, vl);
+}
+
+vfloat32m1_t
+test_vfmadd_vv_f32m1_rm_m (vbool32_t mask, vfloat32m1_t vd, vfloat32m1_t op1,
+ vfloat32m1_t op2, size_t vl) {
+ return __riscv_vfmadd_vv_f32m1_rm_m (mask, vd, op1, op2, 1, vl);
+}
+
+vfloat32m1_t
+test_vfmadd_vf_f32m1_rm (vfloat32m1_t vd, float32_t op1, vfloat32m1_t op2,
+ size_t vl) {
+ return __riscv_vfmadd_vf_f32m1_rm (vd, op1, op2, 2, vl);
+}
+
+vfloat32m1_t
+test_vfmadd_vf_f32m1_rm_m (vfloat32m1_t vd, vbool32_t mask, float32_t op1,
+ vfloat32m1_t op2, size_t vl) {
+ return __riscv_vfmadd_vf_f32m1_rm_m (mask, vd, op1, op2, 3, vl);
+}
+
+vfloat32m1_t
+test_riscv_vfmadd_vv_f32m1 (vfloat32m1_t vd, vfloat32m1_t op1,
+ vfloat32m1_t op2, size_t vl) {
+ return __riscv_vfmadd_vv_f32m1 (vd, op1, op2, vl);
+}
+
+vfloat32m1_t
+test_vfmadd_vv_f32m1_m (vbool32_t mask, vfloat32m1_t vd, vfloat32m1_t op1,
+ vfloat32m1_t op2, size_t vl) {
+ return __riscv_vfmadd_vv_f32m1_m (mask, vd, op1, op2, vl);
+}
+
+/* { dg-final { scan-assembler-times {vfmadd\.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 } } */
--
2.34.1
next reply other threads:[~2023-08-11 7:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-11 7:17 pan2.li [this message]
2023-08-11 7:29 ` juzhe.zhong
2023-08-11 7:40 ` Li, Pan2
-- strict thread matches above, loose matches on Subject: below --
2023-08-04 6:10 pan2.li
2023-08-04 6:26 ` juzhe.zhong
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