[gcc r16-3922] RISC-V: Add test for vec_duplicate + vwsubu.vv signed combine with GR2VR cost 0, 1 and 15
Pan Li
panli@gcc.gnu.org
Wed Sep 17 03:42:08 GMT 2025
https://gcc.gnu.org/g:f3d6d41abf43cf6819242db9fa573d2a8cf326c5
commit r16-3922-gf3d6d41abf43cf6819242db9fa573d2a8cf326c5
Author: Pan Li <pan2.li@intel.com>
Date: Fri Sep 12 21:03:32 2025 +0800
RISC-V: Add test for vec_duplicate + vwsubu.vv signed combine with GR2VR cost 0, 1 and 15
Add asm dump check and run test for vec_duplicate + vwsubu.vv
combine to vwsubu.vx, with the GR2VR cost is 0, 2 and 15.
gcc/testsuite/ChangeLog:
* gcc.target/riscv/rvv/autovec/vx_vf/vx-1-u16.c: Add asm check
for vwsubu.vx.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-1-u32.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-1-u64.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-2-u16.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-2-u32.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-2-u64.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-3-u16.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-3-u32.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx-3-u64.c: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx_widen.h: Ditto.
* gcc.target/riscv/rvv/autovec/vx_vf/vx_widen_data.h: Add test
data for run test.
* gcc.target/riscv/rvv/autovec/vx_vf/vx_vwsubu-run-1-u64.c: New test.
Signed-off-by: Pan Li <pan2.li@intel.com>
Diff:
---
.../gcc.target/riscv/rvv/autovec/vx_vf/vx-1-u16.c | 1 +
.../gcc.target/riscv/rvv/autovec/vx_vf/vx-1-u32.c | 1 +
.../gcc.target/riscv/rvv/autovec/vx_vf/vx-1-u64.c | 1 +
.../gcc.target/riscv/rvv/autovec/vx_vf/vx-2-u16.c | 1 +
.../gcc.target/riscv/rvv/autovec/vx_vf/vx-2-u32.c | 1 +
.../gcc.target/riscv/rvv/autovec/vx_vf/vx-2-u64.c | 1 +
.../gcc.target/riscv/rvv/autovec/vx_vf/vx-3-u16.c | 1 +
.../gcc.target/riscv/rvv/autovec/vx_vf/vx-3-u32.c | 1 +
.../gcc.target/riscv/rvv/autovec/vx_vf/vx-3-u64.c | 1 +
.../riscv/rvv/autovec/vx_vf/vx_vwsubu-run-1-u64.c | 18 ++++++++++
.../gcc.target/riscv/rvv/autovec/vx_vf/vx_widen.h | 5 +--
.../riscv/rvv/autovec/vx_vf/vx_widen_data.h | 40 ++++++++++++++++++++++
12 files changed, 70 insertions(+), 2 deletions(-)
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-u16.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-u16.c
index bb29ef5638cf..25bb93c8ce50 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-u16.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-u16.c
@@ -30,3 +30,4 @@ TEST_WIDEN_BINARY_VX_UNSIGNED(T, NT)
/* { dg-final { scan-assembler-times {vmadd.vx} 1 } } */
/* { dg-final { scan-assembler-times {vnmsub.vx} 1 } } */
/* { dg-final { scan-assembler-not {vwaddu.vx} } } */
+/* { dg-final { scan-assembler-not {vwsubu.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-u32.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-u32.c
index 1d738571b498..475b74b10f0d 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-u32.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-u32.c
@@ -30,3 +30,4 @@ TEST_WIDEN_BINARY_VX_UNSIGNED(T, NT)
/* { dg-final { scan-assembler-times {vmadd.vx} 1 } } */
/* { dg-final { scan-assembler-times {vnmsub.vx} 1 } } */
/* { dg-final { scan-assembler-not {vwaddu.vx} } } */
+/* { dg-final { scan-assembler-not {vwsubu.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-u64.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-u64.c
index dc6d1c6b1837..c7f3f2b25d4d 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-u64.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-u64.c
@@ -33,3 +33,4 @@ TEST_WIDEN_BINARY_VX_UNSIGNED(T, NT)
/* { dg-final { scan-assembler-times {vmadd.vx} 1 } } */
/* { dg-final { scan-assembler-times {vnmsub.vx} 1 } } */
/* { dg-final { scan-assembler-times {vwaddu.vx} 1 } } */
+/* { dg-final { scan-assembler-times {vwsubu.vx} 1 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-u16.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-u16.c
index c6da9c7e19d2..1c0024c273ef 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-u16.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-u16.c
@@ -30,3 +30,4 @@ TEST_WIDEN_BINARY_VX_UNSIGNED(T, NT)
/* { dg-final { scan-assembler-not {vmadd.vx} } } */
/* { dg-final { scan-assembler-not {vnmsub.vx} } } */
/* { dg-final { scan-assembler-not {vwaddu.vx} } } */
+/* { dg-final { scan-assembler-not {vwsubu.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-u32.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-u32.c
index 6f1adef686c1..3e88fc0623f7 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-u32.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-u32.c
@@ -30,3 +30,4 @@ TEST_WIDEN_BINARY_VX_UNSIGNED(T, NT)
/* { dg-final { scan-assembler-not {vmadd.vx} } } */
/* { dg-final { scan-assembler-not {vnmsub.vx} } } */
/* { dg-final { scan-assembler-not {vwaddu.vx} } } */
+/* { dg-final { scan-assembler-not {vwsubu.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-u64.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-u64.c
index 5ea7cc96ae66..541b6e678b9a 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-u64.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-u64.c
@@ -30,3 +30,4 @@ TEST_WIDEN_BINARY_VX_UNSIGNED(T, NT)
/* { dg-final { scan-assembler-not {vmadd.vx} } } */
/* { dg-final { scan-assembler-not {vnmsub.vx} } } */
/* { dg-final { scan-assembler-not {vwaddu.vx} } } */
+/* { dg-final { scan-assembler-not {vwsubu.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-u16.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-u16.c
index f18409e76432..6d25e26d83b6 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-u16.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-u16.c
@@ -30,3 +30,4 @@ TEST_WIDEN_BINARY_VX_UNSIGNED(T, NT)
/* { dg-final { scan-assembler-not {vmadd.vx} } } */
/* { dg-final { scan-assembler-not {vnmsub.vx} } } */
/* { dg-final { scan-assembler-not {vwaddu.vx} } } */
+/* { dg-final { scan-assembler-not {vwsubu.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-u32.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-u32.c
index b33d8269136b..f0c6624a536c 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-u32.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-u32.c
@@ -30,3 +30,4 @@ TEST_WIDEN_BINARY_VX_UNSIGNED(T, NT)
/* { dg-final { scan-assembler-not {vmadd.vx} } } */
/* { dg-final { scan-assembler-not {vnmsub.vx} } } */
/* { dg-final { scan-assembler-not {vwaddu.vx} } } */
+/* { dg-final { scan-assembler-not {vwsubu.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-u64.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-u64.c
index 40f4142a88a8..8de1d6fd8070 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-u64.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-u64.c
@@ -30,3 +30,4 @@ TEST_WIDEN_BINARY_VX_UNSIGNED(T, NT)
/* { dg-final { scan-assembler-not {vmadd.vx} } } */
/* { dg-final { scan-assembler-not {vnmsub.vx} } } */
/* { dg-final { scan-assembler-not {vwaddu.vx} } } */
+/* { dg-final { scan-assembler-not {vwsubu.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_vwsubu-run-1-u64.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_vwsubu-run-1-u64.c
new file mode 100644
index 000000000000..f94281002eaa
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_vwsubu-run-1-u64.c
@@ -0,0 +1,18 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "-std=c99 --param=gpr2vr-cost=0" } */
+
+#include "vx_widen.h"
+#include "vx_widen_data.h"
+
+#define WT uint64_t
+#define NT uint32_t
+#define NAME sub
+#define TEST_DATA DEF_BINARY_WIDEN_STRUCT_0_VAR_WRAP(WT, NT, NAME)
+#define DATA_TYPE DEF_BINARY_WIDEN_STRUCT_0_TYPE_WRAP(WT, NT, NAME)
+
+DEF_VX_WIDEN_BINARY_CASE_0_WRAP(WT, NT, -, NAME)
+
+#define TEST_RUN(WT, NT, NAME, vd, vs2, rs1, N) \
+ RUN_VX_WIDEN_BINARY_CASE_0_WRAP(WT, NT, NAME, vd, vs2, rs1, N)
+
+#include "vx_widen_vx_run.h"
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_widen.h b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_widen.h
index 646edab4310d..290d8a4b5d43 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_widen.h
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_widen.h
@@ -28,7 +28,8 @@ test_vx_widen_binary_##NAME##_##WT##_##NT##_case_0 (WT * restrict vd, \
#define RUN_VX_WIDEN_BINARY_CASE_0_WRAP(WT, NT, NAME, vd, vs2, rs1, n) \
RUN_VX_WIDEN_BINARY_CASE_0(WT, NT, NAME, vd, vs2, rs1, n)
-#define TEST_WIDEN_BINARY_VX_UNSIGNED(WT, NT) \
- DEF_VX_WIDEN_BINARY_CASE_0_WRAP(WT, NT, +, add)
+#define TEST_WIDEN_BINARY_VX_UNSIGNED(WT, NT) \
+ DEF_VX_WIDEN_BINARY_CASE_0_WRAP(WT, NT, +, add) \
+ DEF_VX_WIDEN_BINARY_CASE_0_WRAP(WT, NT, -, sub)
#endif
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_widen_data.h b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_widen_data.h
index 48dc4d4c8496..7359f0bc85d3 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_widen_data.h
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_widen_data.h
@@ -36,6 +36,7 @@
DEF_BINARY_WIDEN_STRUCT_0(WT, NT, NAME)
DEF_BINARY_WIDEN_STRUCT_0_WRAP(uint64_t, uint32_t, add)
+DEF_BINARY_WIDEN_STRUCT_0_WRAP(uint64_t, uint32_t, sub)
DEF_BINARY_WIDEN_STRUCT_0_DECL_WRAP(uint64_t, uint32_t, add)[] = {
{
@@ -76,4 +77,43 @@ DEF_BINARY_WIDEN_STRUCT_0_DECL_WRAP(uint64_t, uint32_t, add)[] = {
},
};
+DEF_BINARY_WIDEN_STRUCT_0_DECL_WRAP(uint64_t, uint32_t, sub)[] = {
+ {
+ /* vs2 */
+ {
+ 2147483648, 2147483648, 2147483648, 2147483648,
+ 2147483647, 2147483647, 2147483647, 2147483647,
+ 4294967294, 4294967294, 4294967294, 4294967294,
+ 4294967295, 4294967295, 4294967295, 4294967295,
+ },
+ /* rs1 */
+ 2147483647,
+ /* expect */
+ {
+ 1, 1, 1, 1,
+ 0, 0, 0, 0,
+ 2147483647, 2147483647, 2147483647, 2147483647,
+ 2147483648, 2147483648, 2147483648, 2147483648,
+ },
+ },
+ {
+ /* vs2 */
+ {
+ 4294967295ull, 4294967295ull, 4294967295ull, 4294967295ull,
+ 4294967294ull, 4294967294ull, 4294967294ull, 4294967294ull,
+ 1, 1, 1, 1,
+ 0, 0, 0, 0,
+ },
+ /* rs1 */
+ 4294967295,
+ /* expect */
+ {
+ 0, 0, 0, 0,
+ 18446744073709551615ull, 18446744073709551615ull, 18446744073709551615ull, 18446744073709551615ull,
+ 18446744069414584322ull, 18446744069414584322ull, 18446744069414584322ull, 18446744069414584322ull,
+ 18446744069414584321ull, 18446744069414584321ull, 18446744069414584321ull, 18446744069414584321ull,
+ },
+ },
+};
+
#endif
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