[gcc r14-3619] RISC-V: Add conditional autovec convert(INT<->INT) patterns
Lehua Ding
lhtin@gcc.gnu.org
Fri Sep 1 11:30:09 GMT 2023
https://gcc.gnu.org/g:a1e5fd2c9adc35ef435dcc96991320d69453919a
commit r14-3619-ga1e5fd2c9adc35ef435dcc96991320d69453919a
Author: Lehua Ding <lehua.ding@rivai.ai>
Date: Fri Sep 1 10:52:13 2023 +0800
RISC-V: Add conditional autovec convert(INT<->INT) patterns
gcc/ChangeLog:
* config/riscv/autovec-opt.md (*cond_<optab><v_double_trunc><mode>):
New combine pattern.
(*cond_<optab><v_quad_trunc><mode>): Ditto.
(*cond_<optab><v_oct_trunc><mode>): Ditto.
(*cond_trunc<mode><v_double_trunc>): Ditto.
* config/riscv/autovec.md (<optab><v_quad_trunc><mode>2): Adjust.
(<optab><v_oct_trunc><mode>2): Ditto.
gcc/testsuite/ChangeLog:
* gcc.target/riscv/rvv/autovec/binop/narrow-3.c: Adjust.
* gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-1.h: New test.
* gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-2.h: New test.
* gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-rv32-1.c: New test.
* gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-rv32-2.c: New test.
* gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-rv64-1.c: New test.
* gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-rv64-2.c: New test.
* gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int_run-1.c: New test.
* gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int_run-2.c: New test.
Diff:
---
gcc/config/riscv/autovec-opt.md | 77 ++++++++++++++++++++++
gcc/config/riscv/autovec.md | 37 ++++-------
.../gcc.target/riscv/rvv/autovec/binop/narrow-3.c | 2 +-
.../rvv/autovec/cond/cond_convert_int2int-1.h | 47 +++++++++++++
.../rvv/autovec/cond/cond_convert_int2int-2.h | 46 +++++++++++++
.../rvv/autovec/cond/cond_convert_int2int-rv32-1.c | 17 +++++
.../rvv/autovec/cond/cond_convert_int2int-rv32-2.c | 16 +++++
.../rvv/autovec/cond/cond_convert_int2int-rv64-1.c | 16 +++++
.../rvv/autovec/cond/cond_convert_int2int-rv64-2.c | 16 +++++
.../rvv/autovec/cond/cond_convert_int2int_run-1.c | 31 +++++++++
.../rvv/autovec/cond/cond_convert_int2int_run-2.c | 30 +++++++++
11 files changed, 311 insertions(+), 24 deletions(-)
diff --git a/gcc/config/riscv/autovec-opt.md b/gcc/config/riscv/autovec-opt.md
index 92590776c3e8..6796239d82d8 100644
--- a/gcc/config/riscv/autovec-opt.md
+++ b/gcc/config/riscv/autovec-opt.md
@@ -747,3 +747,80 @@
riscv_vector::BINARY_OP, operands);
DONE;
})
+
+;; Combine sign_extend/zero_extend(vf2) and vcond_mask
+(define_insn_and_split "*cond_<optab><v_double_trunc><mode>"
+ [(set (match_operand:VWEXTI 0 "register_operand")
+ (if_then_else:VWEXTI
+ (match_operand:<VM> 1 "register_operand")
+ (any_extend:VWEXTI (match_operand:<V_DOUBLE_TRUNC> 2 "register_operand"))
+ (match_operand:VWEXTI 3 "register_operand")))]
+ "TARGET_VECTOR && can_create_pseudo_p ()"
+ "#"
+ "&& 1"
+ [(const_int 0)]
+{
+ insn_code icode = code_for_pred_vf2 (<CODE>, <MODE>mode);
+ rtx ops[] = {operands[0], operands[1], operands[2], operands[3],
+ gen_int_mode (GET_MODE_NUNITS (<MODE>mode), Pmode)};
+ riscv_vector::expand_cond_len_unop (icode, ops);
+ DONE;
+})
+
+;; Combine sign_extend/zero_extend(vf4) and vcond_mask
+(define_insn_and_split "*cond_<optab><v_quad_trunc><mode>"
+ [(set (match_operand:VQEXTI 0 "register_operand")
+ (if_then_else:VQEXTI
+ (match_operand:<VM> 1 "register_operand")
+ (any_extend:VQEXTI (match_operand:<V_QUAD_TRUNC> 2 "register_operand"))
+ (match_operand:VQEXTI 3 "register_operand")))]
+ "TARGET_VECTOR && can_create_pseudo_p ()"
+ "#"
+ "&& 1"
+ [(const_int 0)]
+{
+ insn_code icode = code_for_pred_vf4 (<CODE>, <MODE>mode);
+ rtx ops[] = {operands[0], operands[1], operands[2], operands[3],
+ gen_int_mode (GET_MODE_NUNITS (<MODE>mode), Pmode)};
+ riscv_vector::expand_cond_len_unop (icode, ops);
+ DONE;
+})
+
+;; Combine sign_extend/zero_extend(vf8) and vcond_mask
+(define_insn_and_split "*cond_<optab><v_oct_trunc><mode>"
+ [(set (match_operand:VOEXTI 0 "register_operand")
+ (if_then_else:VOEXTI
+ (match_operand:<VM> 1 "register_operand")
+ (any_extend:VOEXTI (match_operand:<V_OCT_TRUNC> 2 "register_operand"))
+ (match_operand:VOEXTI 3 "register_operand")))]
+ "TARGET_VECTOR && can_create_pseudo_p ()"
+ "#"
+ "&& 1"
+ [(const_int 0)]
+{
+ insn_code icode = code_for_pred_vf8 (<CODE>, <MODE>mode);
+ rtx ops[] = {operands[0], operands[1], operands[2], operands[3],
+ gen_int_mode (GET_MODE_NUNITS (<MODE>mode), Pmode)};
+ riscv_vector::expand_cond_len_unop (icode, ops);
+ DONE;
+})
+
+;; Combine trunc(vf2) + vcond_mask
+(define_insn_and_split "*cond_trunc<mode><v_double_trunc>"
+ [(set (match_operand:<V_DOUBLE_TRUNC> 0 "register_operand")
+ (if_then_else:<V_DOUBLE_TRUNC>
+ (match_operand:<VM> 1 "register_operand")
+ (truncate:<V_DOUBLE_TRUNC>
+ (match_operand:VWEXTI 2 "register_operand"))
+ (match_operand:<V_DOUBLE_TRUNC> 3 "register_operand")))]
+ "TARGET_VECTOR && can_create_pseudo_p ()"
+ "#"
+ "&& 1"
+ [(const_int 0)]
+{
+ insn_code icode = code_for_pred_trunc (<MODE>mode);
+ rtx ops[] = {operands[0], operands[1], operands[2], operands[3],
+ gen_int_mode (GET_MODE_NUNITS (<MODE>mode), Pmode)};
+ riscv_vector::expand_cond_len_unop (icode, ops);
+ DONE;
+})
diff --git a/gcc/config/riscv/autovec.md b/gcc/config/riscv/autovec.md
index 8eed7682311e..03bb1c1fdf92 100644
--- a/gcc/config/riscv/autovec.md
+++ b/gcc/config/riscv/autovec.md
@@ -633,22 +633,28 @@
[(set_attr "type" "vext")
(set_attr "mode" "<MODE>")])
-(define_expand "<optab><v_quad_trunc><mode>2"
+(define_insn_and_split "<optab><v_quad_trunc><mode>2"
[(set (match_operand:VQEXTI 0 "register_operand")
(any_extend:VQEXTI
(match_operand:<V_QUAD_TRUNC> 1 "register_operand")))]
- "TARGET_VECTOR"
+ "TARGET_VECTOR && can_create_pseudo_p ()"
+ "#"
+ "&& 1"
+ [(const_int 0)]
{
insn_code icode = code_for_pred_vf4 (<CODE>, <MODE>mode);
riscv_vector::emit_vlmax_insn (icode, riscv_vector::UNARY_OP, operands);
DONE;
})
-(define_expand "<optab><v_oct_trunc><mode>2"
+(define_insn_and_split "<optab><v_oct_trunc><mode>2"
[(set (match_operand:VOEXTI 0 "register_operand")
(any_extend:VOEXTI
(match_operand:<V_OCT_TRUNC> 1 "register_operand")))]
- "TARGET_VECTOR"
+ "TARGET_VECTOR && can_create_pseudo_p ()"
+ "#"
+ "&& 1"
+ [(const_int 0)]
{
insn_code icode = code_for_pred_vf8 (<CODE>, <MODE>mode);
riscv_vector::emit_vlmax_insn (icode, riscv_vector::UNARY_OP, operands);
@@ -687,13 +693,8 @@
"TARGET_VECTOR"
{
rtx half = gen_reg_rtx (<V_DOUBLE_TRUNC>mode);
- rtx opshalf[] = {half, operands[1]};
- insn_code icode = code_for_pred_trunc (<MODE>mode);
- riscv_vector::emit_vlmax_insn (icode, riscv_vector::UNARY_OP, opshalf);
-
- rtx ops[] = {operands[0], half};
- icode = code_for_pred_trunc (<V_DOUBLE_TRUNC>mode);
- riscv_vector::emit_vlmax_insn (icode, riscv_vector::UNARY_OP, ops);
+ emit_insn (gen_trunc<mode><v_double_trunc>2 (half, operands[1]));
+ emit_insn (gen_trunc<v_double_trunc><v_quad_trunc>2 (operands[0], half));
DONE;
})
@@ -707,19 +708,9 @@
(match_operand:VOEXTI 1 "register_operand")))]
"TARGET_VECTOR"
{
- rtx half = gen_reg_rtx (<V_DOUBLE_TRUNC>mode);
- rtx opshalf[] = {half, operands[1]};
- insn_code icode = code_for_pred_trunc (<MODE>mode);
- riscv_vector::emit_vlmax_insn (icode, riscv_vector::UNARY_OP, opshalf);
-
rtx quarter = gen_reg_rtx (<V_QUAD_TRUNC>mode);
- rtx opsquarter[] = {quarter, half};
- icode = code_for_pred_trunc (<V_DOUBLE_TRUNC>mode);
- riscv_vector::emit_vlmax_insn (icode, riscv_vector::UNARY_OP, opsquarter);
-
- rtx ops[] = {operands[0], quarter};
- icode = code_for_pred_trunc (<V_QUAD_TRUNC>mode);
- riscv_vector::emit_vlmax_insn (icode, riscv_vector::UNARY_OP, ops);
+ emit_insn (gen_trunc<mode><v_quad_trunc>2 (quarter, operands[1]));
+ emit_insn (gen_trunc<v_quad_trunc><v_oct_trunc>2 (operands[0], quarter));
DONE;
})
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/narrow-3.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/narrow-3.c
index 3b288466394c..315d2de0a8bf 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/narrow-3.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/narrow-3.c
@@ -27,5 +27,5 @@
TEST_ALL ()
-/* { dg-final { scan-assembler-times {\tvnsra\.wx} 4 } } */
+/* { dg-final { scan-assembler-times {\tvnsra\.wx} 8 } } */
/* { dg-final { scan-assembler-times {\tvnsrl\.wx} 4 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-1.h b/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-1.h
new file mode 100644
index 000000000000..c8ef6df399d8
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-1.h
@@ -0,0 +1,47 @@
+#include <stdint.h>
+
+#define DEF_LOOP(OLD_TYPE, NEW_TYPE) \
+ void __attribute__ ((noipa)) \
+ test_##OLD_TYPE##_2_##NEW_TYPE (NEW_TYPE *__restrict r, \
+ OLD_TYPE *__restrict a, \
+ NEW_TYPE *__restrict b, \
+ OLD_TYPE *__restrict pred, int n) \
+ { \
+ for (int i = 0; i < n; ++i) \
+ { \
+ r[i] = pred[i] ? (NEW_TYPE) a[i] : b[i]; \
+ } \
+ }
+
+/* INT -> wider-INT */
+#define TEST_ALL_X2X_WIDER(T) \
+ T (uint8_t, uint16_t) \
+ T (uint8_t, uint32_t) \
+ T (uint8_t, uint64_t) \
+ T (int8_t, int16_t) \
+ T (int8_t, int32_t) \
+ T (int8_t, int64_t) \
+ T (uint16_t, uint32_t) \
+ T (uint16_t, uint64_t) \
+ T (int16_t, int32_t) \
+ T (int16_t, int64_t) \
+ T (uint32_t, uint64_t) \
+ T (int32_t, int64_t)
+
+/* INT -> narrower-INT */
+#define TEST_ALL_X2X_NARROWER(T) \
+ T (uint16_t, uint8_t) \
+ T (int16_t, int8_t) \
+ T (uint32_t, uint8_t) \
+ T (int32_t, int8_t) \
+ T (uint64_t, uint8_t) \
+ T (int64_t, int8_t) \
+ T (uint32_t, uint16_t) \
+ T (int32_t, int16_t) \
+ T (uint64_t, uint16_t) \
+ T (int64_t, int16_t) \
+ T (uint64_t, uint32_t) \
+ T (int64_t, int32_t)
+
+TEST_ALL_X2X_WIDER (DEF_LOOP)
+TEST_ALL_X2X_NARROWER (DEF_LOOP)
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-2.h b/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-2.h
new file mode 100644
index 000000000000..f53c1b3fde93
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-2.h
@@ -0,0 +1,46 @@
+#include <stdint.h>
+
+#define DEF_LOOP(OLD_TYPE, NEW_TYPE) \
+ void __attribute__ ((noipa)) \
+ test_##OLD_TYPE##_2_##NEW_TYPE (NEW_TYPE *__restrict r, \
+ OLD_TYPE *__restrict a, NEW_TYPE b, \
+ OLD_TYPE *__restrict pred, int n) \
+ { \
+ for (int i = 0; i < n; ++i) \
+ { \
+ r[i] = pred[i] ? (NEW_TYPE) a[i] : b; \
+ } \
+ }
+
+/* INT -> wider-INT */
+#define TEST_ALL_X2X_WIDER(T) \
+ T (uint8_t, uint16_t) \
+ T (uint8_t, uint32_t) \
+ T (uint8_t, uint64_t) \
+ T (int8_t, int16_t) \
+ T (int8_t, int32_t) \
+ T (int8_t, int64_t) \
+ T (uint16_t, uint32_t) \
+ T (uint16_t, uint64_t) \
+ T (int16_t, int32_t) \
+ T (int16_t, int64_t) \
+ T (uint32_t, uint64_t) \
+ T (int32_t, int64_t)
+
+/* INT -> narrower-INT */
+#define TEST_ALL_X2X_NARROWER(T) \
+ T (uint16_t, uint8_t) \
+ T (int16_t, int8_t) \
+ T (uint32_t, uint8_t) \
+ T (int32_t, int8_t) \
+ T (uint64_t, uint8_t) \
+ T (int64_t, int8_t) \
+ T (uint32_t, uint16_t) \
+ T (int32_t, int16_t) \
+ T (uint64_t, uint16_t) \
+ T (int64_t, int16_t) \
+ T (uint64_t, uint32_t) \
+ T (int64_t, int32_t)
+
+TEST_ALL_X2X_WIDER (DEF_LOOP)
+TEST_ALL_X2X_NARROWER (DEF_LOOP)
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-rv32-1.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-rv32-1.c
new file mode 100644
index 000000000000..8c07e427560b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-rv32-1.c
@@ -0,0 +1,17 @@
+/* { dg-do compile } */
+/* { dg-additional-options "-march=rv32gcv_zvfh -mabi=ilp32d --param riscv-autovec-preference=scalable -fno-vect-cost-model" } */
+
+#include "cond_convert_int2int-1.h"
+
+/* { dg-final { scan-assembler-times {\tvzext\.vf2\tv[0-9]+,v[0-9]+,v0\.t} 3 } } */
+/* { dg-final { scan-assembler-times {\tvsext\.vf2\tv[0-9]+,v[0-9]+,v0\.t} 3 } } */
+/* { dg-final { scan-assembler-times {\tvzext\.vf4\tv[0-9]+,v[0-9]+,v0\.t} 2 } } */
+/* { dg-final { scan-assembler-times {\tvsext\.vf4\tv[0-9]+,v[0-9]+,v0\.t} 2 } } */
+/* { dg-final { scan-assembler-times {\tvzext\.vf8\tv[0-9]+,v[0-9]+,v0\.t} 1 } } */
+/* { dg-final { scan-assembler-times {\tvsext\.vf8\tv[0-9]+,v[0-9]+,v0\.t} 1 } } */
+
+/* { dg-final { scan-assembler-times {\tvncvt\.x\.x\.w\tv[0-9]+,v[0-9]+,v0\.t} 12 } } */
+/* { dg-final { scan-assembler-times {\tvncvt\.x\.x\.w\tv[0-9]+,v[0-9]+\n} 8 } } */
+
+/* { dg-final { scan-assembler {\tvsetvli\t[a-z0-9]+,[a-z0-9]+,e[0-9]+,m[f0-9]+,t[au],mu} } } */
+
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-rv32-2.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-rv32-2.c
new file mode 100644
index 000000000000..74490cdc055d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-rv32-2.c
@@ -0,0 +1,16 @@
+/* { dg-do compile } */
+/* { dg-additional-options "-march=rv32gcv_zvfh -mabi=ilp32d --param riscv-autovec-preference=scalable -fno-vect-cost-model" } */
+
+#include "cond_convert_int2int-2.h"
+
+/* { dg-final { scan-assembler-times {\tvzext\.vf2\tv[0-9]+,v[0-9]+,v0\.t} 3 } } */
+/* { dg-final { scan-assembler-times {\tvsext\.vf2\tv[0-9]+,v[0-9]+,v0\.t} 3 } } */
+/* { dg-final { scan-assembler-times {\tvzext\.vf4\tv[0-9]+,v[0-9]+,v0\.t} 2 } } */
+/* { dg-final { scan-assembler-times {\tvsext\.vf4\tv[0-9]+,v[0-9]+,v0\.t} 2 } } */
+/* { dg-final { scan-assembler-times {\tvzext\.vf8\tv[0-9]+,v[0-9]+,v0\.t} 1 } } */
+/* { dg-final { scan-assembler-times {\tvsext\.vf8\tv[0-9]+,v[0-9]+,v0\.t} 1 } } */
+
+/* { dg-final { scan-assembler-times {\tvncvt\.x\.x\.w\tv[0-9]+,v[0-9]+,v0\.t} 12 } } */
+/* { dg-final { scan-assembler-times {\tvncvt\.x\.x\.w\tv[0-9]+,v[0-9]+\n} 8 } } */
+
+/* { dg-final { scan-assembler {\tvsetvli\t[a-z0-9]+,[a-z0-9]+,e[0-9]+,m[f0-9]+,t[au],mu} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-rv64-1.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-rv64-1.c
new file mode 100644
index 000000000000..00357966ba6c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-rv64-1.c
@@ -0,0 +1,16 @@
+/* { dg-do compile } */
+/* { dg-additional-options "-march=rv64gcv_zvfh -mabi=lp64d --param riscv-autovec-preference=scalable -fno-vect-cost-model" } */
+
+#include "cond_convert_int2int-1.h"
+
+/* { dg-final { scan-assembler-times {\tvzext\.vf2\tv[0-9]+,v[0-9]+,v0\.t} 3 } } */
+/* { dg-final { scan-assembler-times {\tvsext\.vf2\tv[0-9]+,v[0-9]+,v0\.t} 3 } } */
+/* { dg-final { scan-assembler-times {\tvzext\.vf4\tv[0-9]+,v[0-9]+,v0\.t} 2 } } */
+/* { dg-final { scan-assembler-times {\tvsext\.vf4\tv[0-9]+,v[0-9]+,v0\.t} 2 } } */
+/* { dg-final { scan-assembler-times {\tvzext\.vf8\tv[0-9]+,v[0-9]+,v0\.t} 1 } } */
+/* { dg-final { scan-assembler-times {\tvsext\.vf8\tv[0-9]+,v[0-9]+,v0\.t} 1 } } */
+
+/* { dg-final { scan-assembler-times {\tvncvt\.x\.x\.w\tv[0-9]+,v[0-9]+,v0\.t} 12 } } */
+/* { dg-final { scan-assembler-times {\tvncvt\.x\.x\.w\tv[0-9]+,v[0-9]+\n} 8 } } */
+
+/* { dg-final { scan-assembler {\tvsetvli\t[a-z0-9]+,[a-z0-9]+,e[0-9]+,m[f0-9]+,t[au],mu} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-rv64-2.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-rv64-2.c
new file mode 100644
index 000000000000..3c4ad9c4f665
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int-rv64-2.c
@@ -0,0 +1,16 @@
+/* { dg-do compile } */
+/* { dg-additional-options "-march=rv64gcv_zvfh -mabi=lp64d --param riscv-autovec-preference=scalable -fno-vect-cost-model" } */
+
+#include "cond_convert_int2int-2.h"
+
+/* { dg-final { scan-assembler-times {\tvzext\.vf2\tv[0-9]+,v[0-9]+,v0\.t} 3 } } */
+/* { dg-final { scan-assembler-times {\tvsext\.vf2\tv[0-9]+,v[0-9]+,v0\.t} 3 } } */
+/* { dg-final { scan-assembler-times {\tvzext\.vf4\tv[0-9]+,v[0-9]+,v0\.t} 2 } } */
+/* { dg-final { scan-assembler-times {\tvsext\.vf4\tv[0-9]+,v[0-9]+,v0\.t} 2 } } */
+/* { dg-final { scan-assembler-times {\tvzext\.vf8\tv[0-9]+,v[0-9]+,v0\.t} 1 } } */
+/* { dg-final { scan-assembler-times {\tvsext\.vf8\tv[0-9]+,v[0-9]+,v0\.t} 1 } } */
+
+/* { dg-final { scan-assembler-times {\tvncvt\.x\.x\.w\tv[0-9]+,v[0-9]+,v0\.t} 12 } } */
+/* { dg-final { scan-assembler-times {\tvncvt\.x\.x\.w\tv[0-9]+,v[0-9]+\n} 8 } } */
+
+/* { dg-final { scan-assembler {\tvsetvli\t[a-z0-9]+,[a-z0-9]+,e[0-9]+,m[f0-9]+,t[au],mu} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int_run-1.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int_run-1.c
new file mode 100644
index 000000000000..04f24168a38a
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int_run-1.c
@@ -0,0 +1,31 @@
+/* { dg-do run { target { riscv_vector } } } */
+/* { dg-additional-options "--param=riscv-autovec-preference=scalable -fno-vect-cost-model" } */
+
+#include "cond_convert_int2int-1.h"
+
+#define N 99
+
+#define TEST_LOOP(OLD_TYPE, NEW_TYPE) \
+ { \
+ NEW_TYPE r[N], b[N]; \
+ OLD_TYPE a[N], pred[N]; \
+ for (int i = 0; i < N; ++i) \
+ { \
+ a[i] = (i & 1 ? i : 3 * i) * (i % 3 == 0 ? 1 : -1); \
+ b[i] = (i % 9) * (i % 7 + 1); \
+ pred[i] = (i % 7 < 4); \
+ asm volatile("" ::: "memory"); \
+ } \
+ test_##OLD_TYPE##_2_##NEW_TYPE (r, a, b, pred, N); \
+ for (int i = 0; i < N; ++i) \
+ if (r[i] != (pred[i] ? (NEW_TYPE) a[i] : b[i])) \
+ __builtin_abort (); \
+ }
+
+int
+main ()
+{
+ TEST_ALL_X2X_WIDER (TEST_LOOP)
+ TEST_ALL_X2X_NARROWER (TEST_LOOP)
+ return 0;
+}
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int_run-2.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int_run-2.c
new file mode 100644
index 000000000000..7a6897bf029d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/cond/cond_convert_int2int_run-2.c
@@ -0,0 +1,30 @@
+/* { dg-do run { target { riscv_vector } } } */
+/* { dg-additional-options "--param=riscv-autovec-preference=scalable -fno-vect-cost-model" } */
+
+#include "cond_convert_int2int-2.h"
+
+#define N 99
+
+#define TEST_LOOP(OLD_TYPE, NEW_TYPE) \
+ { \
+ NEW_TYPE r[N], b = 189; \
+ OLD_TYPE a[N], pred[N]; \
+ for (int i = 0; i < N; ++i) \
+ { \
+ a[i] = (i & 1 ? i : 3 * i) * (i % 3 == 0 ? 1 : -1); \
+ pred[i] = (i % 7 < 4); \
+ asm volatile("" ::: "memory"); \
+ } \
+ test_##OLD_TYPE##_2_##NEW_TYPE (r, a, b, pred, N); \
+ for (int i = 0; i < N; ++i) \
+ if (r[i] != (pred[i] ? (NEW_TYPE) a[i] : b)) \
+ __builtin_abort (); \
+ }
+
+int
+main ()
+{
+ TEST_ALL_X2X_WIDER (TEST_LOOP)
+ TEST_ALL_X2X_NARROWER (TEST_LOOP)
+ return 0;
+}
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