From: Pan Li <pan2...@intel.com>
This patch would like to support the rounding mode API for the
VFDIV and VFRDIV for the below samples.
* __riscv_vfdiv_vv_f32m1_rm
* __riscv_vfdiv_vv_f32m1_rm_m
* __riscv_vfdiv_vf_f32m1_rm
* __riscv_vfdiv_vf_f32m1_rm_m
* __riscv_vfrdiv_vf_f32m1_rm
* __riscv_vfrdiv_vf_f32m1_rm_m
Signed-off-by: Pan Li <pan2...@intel.com>
gcc/ChangeLog:
* config/riscv/riscv-vector-builtins-bases.cc
(binop_frm): New declaration.
(reverse_binop_frm): Likewise.
(BASE): Likewise.
* config/riscv/riscv-vector-builtins-bases.h:
(vfdiv_frm): New extern declaration.
(vfrdiv_frm): Likewise.
* config/riscv/riscv-vector-builtins-functions.def
(vfdiv_frm): New function definition.
(vfrdiv_frm): Likewise.
* config/riscv/vector.md: Add vfdiv to frm_mode.
gcc/testsuite/ChangeLog:
* gcc.target/riscv/rvv/base/float-point-single-div.c: New test.
* gcc.target/riscv/rvv/base/float-point-single-rdiv.c: New test.
---
.../riscv/riscv-vector-builtins-bases.cc | 6 +++
.../riscv/riscv-vector-builtins-bases.h | 2 +
.../riscv/riscv-vector-builtins-functions.def | 3 ++
gcc/config/riscv/vector.md | 2 +-
.../riscv/rvv/base/float-point-single-div.c | 44 +++++++++++++++++++
.../riscv/rvv/base/float-point-single-rdiv.c | 33 ++++++++++++++
6 files changed, 89 insertions(+), 1 deletion(-)
create mode 100644
gcc/testsuite/gcc.target/riscv/rvv/base/float-point-single-div.c
create mode 100644
gcc/testsuite/gcc.target/riscv/rvv/base/float-point-single-rdiv.c
diff --git a/gcc/config/riscv/riscv-vector-builtins-bases.cc
b/gcc/config/riscv/riscv-vector-builtins-bases.cc
index 3adc11138a3..95ec9ccb481 100644
--- a/gcc/config/riscv/riscv-vector-builtins-bases.cc
+++ b/gcc/config/riscv/riscv-vector-builtins-bases.cc
@@ -278,6 +278,7 @@ public:
/* Implements below instructions for now.
- vfadd
- vfmul
+ - vfdiv
*/
template<rtx_code CODE>
class binop_frm : public function_base
@@ -301,6 +302,7 @@ public:
/* Implements below instructions for frm
- vfrsub
+ - vfrdiv
*/
template<rtx_code CODE>
class reverse_binop_frm : public function_base
@@ -2106,7 +2108,9 @@ static CONSTEXPR const widen_binop_frm<MINUS>
vfwsub_frm_obj;
static CONSTEXPR const binop<MULT> vfmul_obj;
static CONSTEXPR const binop_frm<MULT> vfmul_frm_obj;
static CONSTEXPR const binop<DIV> vfdiv_obj;
+static CONSTEXPR const binop_frm<DIV> vfdiv_frm_obj;
static CONSTEXPR const reverse_binop<DIV> vfrdiv_obj;
+static CONSTEXPR const reverse_binop_frm<DIV> vfrdiv_frm_obj;
static CONSTEXPR const widen_binop<MULT> vfwmul_obj;
static CONSTEXPR const vfmacc vfmacc_obj;
static CONSTEXPR const vfnmsac vfnmsac_obj;
@@ -2338,7 +2342,9 @@ BASE (vfwsub_frm)
BASE (vfmul)
BASE (vfmul_frm)
BASE (vfdiv)
+BASE (vfdiv_frm)
BASE (vfrdiv)
+BASE (vfrdiv_frm)
BASE (vfwmul)
BASE (vfmacc)
BASE (vfnmsac)
diff --git a/gcc/config/riscv/riscv-vector-builtins-bases.h
b/gcc/config/riscv/riscv-vector-builtins-bases.h
index 9c12a6b4e8f..f35fd3d27cf 100644
--- a/gcc/config/riscv/riscv-vector-builtins-bases.h
+++ b/gcc/config/riscv/riscv-vector-builtins-bases.h
@@ -154,7 +154,9 @@ extern const function_base *const vfwsub_frm;
extern const function_base *const vfmul;
extern const function_base *const vfmul_frm;
extern const function_base *const vfdiv;
+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 vfmacc;
extern const function_base *const vfnmsac;
diff --git a/gcc/config/riscv/riscv-vector-builtins-functions.def
b/gcc/config/riscv/riscv-vector-builtins-functions.def
index 35a83ef239c..e7e6c7d8ed8 100644
--- a/gcc/config/riscv/riscv-vector-builtins-functions.def
+++ b/gcc/config/riscv/riscv-vector-builtins-functions.def
@@ -321,6 +321,9 @@ DEF_RVV_FUNCTION (vfdiv, alu, full_preds, f_vvf_ops)
DEF_RVV_FUNCTION (vfrdiv, alu, full_preds, f_vvf_ops)
DEF_RVV_FUNCTION (vfmul_frm, alu_frm, full_preds, f_vvv_ops)
DEF_RVV_FUNCTION (vfmul_frm, alu_frm, full_preds, f_vvf_ops)
+DEF_RVV_FUNCTION (vfdiv_frm, alu_frm, full_preds, f_vvv_ops)
+DEF_RVV_FUNCTION (vfdiv_frm, alu_frm, full_preds, f_vvf_ops)
+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)
diff --git a/gcc/config/riscv/vector.md b/gcc/config/riscv/vector.md
index 5d3e4256cd5..4b6c3859947 100644
--- a/gcc/config/riscv/vector.md
+++ b/gcc/config/riscv/vector.md
@@ -866,7 +866,7 @@ (define_attr "vxrm_mode" "rnu,rne,rdn,rod,none"
;; 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")
+ (cond [(eq_attr "type" "vfalu,vfwalu,vfmul,vfdiv")
(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-single-div.c
b/gcc/testsuite/gcc.target/riscv/rvv/base/float-point-single-div.c
new file mode 100644
index 00000000000..cef6ab007b1
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/base/float-point-single-div.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;
+
+vfloat32m1_t
+test_riscv_vfdiv_vv_f32m1_rm (vfloat32m1_t op1, vfloat32m1_t op2, size_t vl) {
+ return __riscv_vfdiv_vv_f32m1_rm (op1, op2, 0, vl);
+}
+
+vfloat32m1_t
+test_vfdiv_vv_f32m1_rm_m (vbool32_t mask, vfloat32m1_t op1, vfloat32m1_t op2,
+ size_t vl) {
+ return __riscv_vfdiv_vv_f32m1_rm_m (mask, op1, op2, 1, vl);
+}
+
+vfloat32m1_t
+test_vfdiv_vf_f32m1_rm (vfloat32m1_t op1, float32_t op2, size_t vl) {
+ return __riscv_vfdiv_vf_f32m1_rm (op1, op2, 2, vl);
+}
+
+vfloat32m1_t
+test_vfdiv_vf_f32m1_rm_m (vbool32_t mask, vfloat32m1_t op1, float32_t op2,
+ size_t vl) {
+ return __riscv_vfdiv_vf_f32m1_rm_m (mask, op1, op2, 3, vl);
+}
+
+vfloat32m1_t
+test_riscv_vfdiv_vv_f32m1 (vfloat32m1_t op1, vfloat32m1_t op2, size_t vl) {
+ return __riscv_vfdiv_vv_f32m1 (op1, op2, vl);
+}
+
+vfloat32m1_t
+test_vfdiv_vv_f32m1_m (vbool32_t mask, vfloat32m1_t op1, vfloat32m1_t op2,
+ size_t vl) {
+ return __riscv_vfdiv_vv_f32m1_m (mask, op1, op2, vl);
+}
+
+/* { dg-final { scan-assembler-times
{vfdiv\.v[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 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/base/float-point-single-rdiv.c
b/gcc/testsuite/gcc.target/riscv/rvv/base/float-point-single-rdiv.c
new file mode 100644
index 00000000000..385cddf5070
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/base/float-point-single-rdiv.c
@@ -0,0 +1,33 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv -mabi=lp64 -O3 -Wno-psabi" } */
+
+#include "riscv_vector.h"
+
+typedef float float32_t;
+
+vfloat32m1_t
+test_vfrdiv_vf_f32m1_rm (vfloat32m1_t op1, float32_t op2, size_t vl) {
+ return __riscv_vfrdiv_vf_f32m1_rm (op1, op2, 2, vl);
+}
+
+vfloat32m1_t
+test_vfrdiv_vf_f32m1_rm_m (vbool32_t mask, vfloat32m1_t op1, float32_t op2,
+ size_t vl) {
+ return __riscv_vfrdiv_vf_f32m1_rm_m (mask, op1, op2, 3, vl);
+}
+
+vfloat32m1_t
+test_riscv_vfrdiv_vf_f32m1 (vfloat32m1_t op1, float32_t op2, size_t vl) {
+ return __riscv_vfrdiv_vf_f32m1 (op1, op2, vl);
+}
+
+vfloat32m1_t
+test_vfrdiv_vf_f32m1_m (vbool32_t mask, vfloat32m1_t op1, float32_t op2,
+ size_t vl) {
+ return __riscv_vfrdiv_vf_f32m1_m (mask, op1, op2, vl);
+}
+
+/* { dg-final { scan-assembler-times
{vfrdiv\.v[vf]\s+v[0-9]+,\s*v[0-9]+,\s*[fav]+[0-9]+} 4 } } */
+/* { dg-final { scan-assembler-times {frrm\s+[axs][0-9]+} 2 } } */
+/* { dg-final { scan-assembler-times {fsrm\s+[axs][0-9]+} 2 } } */
+/* { dg-final { scan-assembler-times {fsrmi\s+[01234]} 2 } } */
--
2.34.1
