[PATCH v1 3/3] RISC-V: Add test for vec_duplicate + vmul.vv combine case 1 with GR2VR cost 0, 1 and 2

pan2 . li Wed, 28 May 2025 08:17:12 -0700

From: Pan Li <pan2...@intel.com>

Add asm dump check test for vec_duplicate + vmul.vv combine to vmul.vx,
with the GR2VR cost is 0, 1 and 2.


The below test suites are passed for this patch.
* The rv64gcv fully regression test.

gcc/testsuite/ChangeLog:

        * gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i16.c: Add asm
        check for vmul.vx combine.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i32.c: Ditto.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i64.c: Ditto.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i8.c: Ditto.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i16.c: Ditto.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i32.c: Ditto.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i64.c: Ditto.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i8.c: Ditto.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i16.c: Ditto.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i32.c: Ditto.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i64.c: Ditto.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i8.c: Ditto.

Signed-off-by: Pan Li <pan2...@intel.com>
---
 gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i16.c | 2 ++
 gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i32.c | 2 ++
 gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i64.c | 2 ++
 gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i8.c  | 2 ++
 gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i16.c | 2 ++
 gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i32.c | 2 ++
 gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i64.c | 2 ++
 gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i8.c  | 2 ++
 gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i16.c | 2 ++
 gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i32.c | 2 ++
 gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i64.c | 2 ++
 gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i8.c  | 2 ++
 12 files changed, 24 insertions(+)

diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i16.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i16.c
index 58dc66dcec9..a1b24f710e0 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i16.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i16.c
@@ -11,6 +11,7 @@ DEF_VX_BINARY_REVERSE_CASE_1_WRAP(T, -, rsub, 
VX_BINARY_REVERSE_BODY_X16)
 DEF_VX_BINARY_CASE_1_WRAP(T, &, and, VX_BINARY_BODY_X16)
 DEF_VX_BINARY_CASE_1_WRAP(T, |, or, VX_BINARY_BODY_X16)
 DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY_X16)
+DEF_VX_BINARY_CASE_1_WRAP(T, *, mul, VX_BINARY_BODY_X16)
 
 /* { dg-final { scan-assembler {vadd.vx} } } */
 /* { dg-final { scan-assembler {vsub.vx} } } */
@@ -18,3 +19,4 @@ DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY_X16)
 /* { dg-final { scan-assembler {vand.vx} } } */
 /* { dg-final { scan-assembler {vor.vx} } } */
 /* { dg-final { scan-assembler {vxor.vx} } } */
+/* { dg-final { scan-assembler {vmul.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i32.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i32.c
index b13ec16983c..53bd7448bfe 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i32.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i32.c
@@ -11,6 +11,7 @@ DEF_VX_BINARY_REVERSE_CASE_1_WRAP(T, -, rsub, 
VX_BINARY_REVERSE_BODY_X4)
 DEF_VX_BINARY_CASE_1_WRAP(T, &, and, VX_BINARY_BODY_X4)
 DEF_VX_BINARY_CASE_1_WRAP(T, |, or, VX_BINARY_BODY_X4)
 DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY_X4)
+DEF_VX_BINARY_CASE_1_WRAP(T, *, mul, VX_BINARY_BODY_X4)
 
 /* { dg-final { scan-assembler {vadd.vx} } } */
 /* { dg-final { scan-assembler {vsub.vx} } } */
@@ -18,3 +19,4 @@ DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY_X4)
 /* { dg-final { scan-assembler {vand.vx} } } */
 /* { dg-final { scan-assembler {vor.vx} } } */
 /* { dg-final { scan-assembler {vxor.vx} } } */
+/* { dg-final { scan-assembler {vmul.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i64.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i64.c
index cd861a4ba6b..73cb89d2ad6 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i64.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i64.c
@@ -11,6 +11,7 @@ DEF_VX_BINARY_REVERSE_CASE_1_WRAP(T, -, rsub, 
VX_BINARY_REVERSE_BODY)
 DEF_VX_BINARY_CASE_1_WRAP(T, &, and, VX_BINARY_BODY)
 DEF_VX_BINARY_CASE_1_WRAP(T, |, or, VX_BINARY_BODY)
 DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY)
+DEF_VX_BINARY_CASE_1_WRAP(T, *, mul, VX_BINARY_BODY)
 
 /* { dg-final { scan-assembler {vadd.vx} } } */
 /* { dg-final { scan-assembler {vsub.vx} } } */
@@ -18,3 +19,4 @@ DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY)
 /* { dg-final { scan-assembler {vand.vx} } } */
 /* { dg-final { scan-assembler {vor.vx} } } */
 /* { dg-final { scan-assembler {vxor.vx} } } */
+/* { dg-final { scan-assembler {vmul.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i8.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i8.c
index 7b22a140843..ec204746bdc 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i8.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-4-i8.c
@@ -11,6 +11,7 @@ DEF_VX_BINARY_REVERSE_CASE_1_WRAP(T, -, rsub, 
VX_BINARY_REVERSE_BODY_X16)
 DEF_VX_BINARY_CASE_1_WRAP(T, &, and, VX_BINARY_BODY_X16)
 DEF_VX_BINARY_CASE_1_WRAP(T, |, or, VX_BINARY_BODY_X16)
 DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY_X16)
+DEF_VX_BINARY_CASE_1_WRAP(T, *, mul, VX_BINARY_BODY_X16)
 
 /* { dg-final { scan-assembler {vadd.vx} } } */
 /* { dg-final { scan-assembler {vsub.vx} } } */
@@ -18,3 +19,4 @@ DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY_X16)
 /* { dg-final { scan-assembler {vand.vx} } } */
 /* { dg-final { scan-assembler {vor.vx} } } */
 /* { dg-final { scan-assembler {vxor.vx} } } */
+/* { dg-final { scan-assembler {vmul.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i16.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i16.c
index 5b0bb83f272..902ba1e913b 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i16.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i16.c
@@ -11,6 +11,7 @@ DEF_VX_BINARY_REVERSE_CASE_1_WRAP(T, -, rsub, 
VX_BINARY_REVERSE_BODY_X8)
 DEF_VX_BINARY_CASE_1_WRAP(T, &, and, VX_BINARY_BODY_X8)
 DEF_VX_BINARY_CASE_1_WRAP(T, |, or, VX_BINARY_BODY_X8)
 DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY_X8)
+DEF_VX_BINARY_CASE_1_WRAP(T, *, mul, VX_BINARY_BODY_X8)
 
 /* { dg-final { scan-assembler-not {vadd.vx} } } */
 /* { dg-final { scan-assembler {vsub.vx} } } */
@@ -18,3 +19,4 @@ DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY_X8)
 /* { dg-final { scan-assembler {vand.vx} } } */
 /* { dg-final { scan-assembler {vor.vx} } } */
 /* { dg-final { scan-assembler {vxor.vx} } } */
+/* { dg-final { scan-assembler-not {vmul.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i32.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i32.c
index f79d3621cfc..e57cee6b6fa 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i32.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i32.c
@@ -11,6 +11,7 @@ DEF_VX_BINARY_REVERSE_CASE_1_WRAP(T, -, rsub, 
VX_BINARY_REVERSE_BODY_X4)
 DEF_VX_BINARY_CASE_1_WRAP(T, &, and, VX_BINARY_BODY_X4)
 DEF_VX_BINARY_CASE_1_WRAP(T, |, or, VX_BINARY_BODY_X4)
 DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY_X4)
+DEF_VX_BINARY_CASE_1_WRAP(T, *, mul, VX_BINARY_BODY_X4)
 
 /* { dg-final { scan-assembler {vadd.vx} } } */
 /* { dg-final { scan-assembler {vsub.vx} } } */
@@ -18,3 +19,4 @@ DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY_X4)
 /* { dg-final { scan-assembler {vand.vx} } } */
 /* { dg-final { scan-assembler {vor.vx} } } */
 /* { dg-final { scan-assembler {vxor.vx} } } */
+/* { dg-final { scan-assembler {vmul.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i64.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i64.c
index 9600fa916c2..3b4138d6bf3 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i64.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i64.c
@@ -11,6 +11,7 @@ DEF_VX_BINARY_REVERSE_CASE_1_WRAP(T, -, rsub, 
VX_BINARY_REVERSE_BODY)
 DEF_VX_BINARY_CASE_1_WRAP(T, &, and, VX_BINARY_BODY)
 DEF_VX_BINARY_CASE_1_WRAP(T, |, or, VX_BINARY_BODY)
 DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY)
+DEF_VX_BINARY_CASE_1_WRAP(T, *, mul, VX_BINARY_BODY)
 
 /* { dg-final { scan-assembler {vadd.vx} } } */
 /* { dg-final { scan-assembler {vsub.vx} } } */
@@ -18,3 +19,4 @@ DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY)
 /* { dg-final { scan-assembler {vand.vx} } } */
 /* { dg-final { scan-assembler {vor.vx} } } */
 /* { dg-final { scan-assembler {vxor.vx} } } */
+/* { dg-final { scan-assembler {vmul.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i8.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i8.c
index ef14ab8cb40..0ad52b2727d 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i8.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-5-i8.c
@@ -11,6 +11,7 @@ DEF_VX_BINARY_REVERSE_CASE_1_WRAP(T, -, rsub, 
VX_BINARY_REVERSE_BODY_X16)
 DEF_VX_BINARY_CASE_1_WRAP(T, &, and, VX_BINARY_BODY_X16)
 DEF_VX_BINARY_CASE_1_WRAP(T, |, or, VX_BINARY_BODY_X16)
 DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY_X16)
+DEF_VX_BINARY_CASE_1_WRAP(T, *, mul, VX_BINARY_BODY_X16)
 
 /* { dg-final { scan-assembler-not {vadd.vx} } } */
 /* { dg-final { scan-assembler {vsub.vx} } } */
@@ -18,3 +19,4 @@ DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY_X16)
 /* { dg-final { scan-assembler {vand.vx} } } */
 /* { dg-final { scan-assembler {vor.vx} } } */
 /* { dg-final { scan-assembler {vxor.vx} } } */
+/* { dg-final { scan-assembler-not {vmul.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i16.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i16.c
index 65019fc95f8..5e040502cea 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i16.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i16.c
@@ -11,6 +11,7 @@ DEF_VX_BINARY_REVERSE_CASE_1_WRAP(T, -, rsub, 
VX_BINARY_REVERSE_BODY_X8);
 DEF_VX_BINARY_CASE_1_WRAP(T, &, and, VX_BINARY_BODY_X8)
 DEF_VX_BINARY_CASE_1_WRAP(T, |, or, VX_BINARY_BODY_X8)
 DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY_X8)
+DEF_VX_BINARY_CASE_1_WRAP(T, *, mul, VX_BINARY_BODY_X8)
 
 /* { dg-final { scan-assembler-not {vadd.vx} } } */
 /* { dg-final { scan-assembler {vsub.vx} } } */
@@ -18,3 +19,4 @@ DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY_X8)
 /* { dg-final { scan-assembler {vand.vx} } } */
 /* { dg-final { scan-assembler {vor.vx} } } */
 /* { dg-final { scan-assembler {vxor.vx} } } */
+/* { dg-final { scan-assembler-not {vmul.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i32.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i32.c
index 3ca6eddaaa7..13a9fe201a8 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i32.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i32.c
@@ -11,6 +11,7 @@ DEF_VX_BINARY_REVERSE_CASE_1_WRAP(T, -, rsub, 
VX_BINARY_REVERSE_BODY_X4);
 DEF_VX_BINARY_CASE_1_WRAP(T, &, and, VX_BINARY_BODY_X4)
 DEF_VX_BINARY_CASE_1_WRAP(T, |, or, VX_BINARY_BODY_X4)
 DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY_X4)
+DEF_VX_BINARY_CASE_1_WRAP(T, *, mul, VX_BINARY_BODY_X4)
 
 /* { dg-final { scan-assembler {vadd.vx} } } */
 /* { dg-final { scan-assembler {vsub.vx} } } */
@@ -18,3 +19,4 @@ DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY_X4)
 /* { dg-final { scan-assembler {vand.vx} } } */
 /* { dg-final { scan-assembler {vor.vx} } } */
 /* { dg-final { scan-assembler {vxor.vx} } } */
+/* { dg-final { scan-assembler {vmul.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i64.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i64.c
index f18aafd882c..ca515b4ddea 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i64.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i64.c
@@ -11,6 +11,7 @@ DEF_VX_BINARY_REVERSE_CASE_1_WRAP(T, -, rsub, 
VX_BINARY_REVERSE_BODY);
 DEF_VX_BINARY_CASE_1_WRAP(T, &, and, VX_BINARY_BODY)
 DEF_VX_BINARY_CASE_1_WRAP(T, |, or, VX_BINARY_BODY)
 DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY)
+DEF_VX_BINARY_CASE_1_WRAP(T, *, mul, VX_BINARY_BODY)
 
 /* { dg-final { scan-assembler-not {vadd.vx} } } */
 /* { dg-final { scan-assembler-not {vsub.vx} } } */
@@ -18,3 +19,4 @@ DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY)
 /* { dg-final { scan-assembler-not {vand.vx} } } */
 /* { dg-final { scan-assembler-not {vor.vx} } } */
 /* { dg-final { scan-assembler-not {vxor.vx} } } */
+/* { dg-final { scan-assembler-not {vmul.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i8.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i8.c
index 9e84d6c3dd3..70e1abcb7d8 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i8.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-6-i8.c
@@ -11,6 +11,7 @@ DEF_VX_BINARY_REVERSE_CASE_1(T, -, rsub, 
VX_BINARY_REVERSE_BODY_X16);
 DEF_VX_BINARY_CASE_1_WRAP(T, &, and, VX_BINARY_BODY_X16)
 DEF_VX_BINARY_CASE_1_WRAP(T, |, or, VX_BINARY_BODY_X16)
 DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY_X16)
+DEF_VX_BINARY_CASE_1_WRAP(T, *, mul, VX_BINARY_BODY_X16)
 
 /* { dg-final { scan-assembler-not {vadd.vx} } } */
 /* { dg-final { scan-assembler {vsub.vx} } } */
@@ -18,3 +19,4 @@ DEF_VX_BINARY_CASE_1_WRAP(T, ^, xor, VX_BINARY_BODY_X16)
 /* { dg-final { scan-assembler {vand.vx} } } */
 /* { dg-final { scan-assembler {vor.vx} } } */
 /* { dg-final { scan-assembler {vxor.vx} } } */
+/* { dg-final { scan-assembler-not {vmul.vx} } } */
-- 
2.43.0

[PATCH v1 3/3] RISC-V: Add test for vec_duplicate + vmul.vv combine case 1 with GR2VR cost 0, 1 and 2

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