From: Pan Li <[email protected]>

Add asm dump check and run test for vec_duplicate + vmslt.vv
combine to vmslt.vx, with the GR2VR cost is 0, 2 and 15.

gcc/testsuite/ChangeLog:

        * gcc.target/riscv/rvv/autovec/vx_vf/vx-1-i16.c: Add asm check
        for vmslt.vx.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx-1-i32.c: Ditto.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx-1-i64.c: Ditto.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx-1-i8.c: Ditto.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx-2-i16.c: Ditto.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx-2-i32.c: Ditto.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx-2-i64.c: Ditto.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx-2-i8.c: Ditto.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx-3-i16.c: Ditto.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx-3-i32.c: Ditto.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx-3-i64.c: Ditto.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx-3-i8.c: Ditto.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx_binary.h: Add test
        helper macros.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx_binary_data.h: Add test
        data for run test.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx_vmslt-run-1-i16.c: New test.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx_vmslt-run-1-i32.c: New test.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx_vmslt-run-1-i64.c: New test.
        * gcc.target/riscv/rvv/autovec/vx_vf/vx_vmslt-run-1-i8.c: New test.

Signed-off-by: Pan Li <[email protected]>
---
 .../riscv/rvv/autovec/vx_vf/vx-1-i16.c        |   1 +
 .../riscv/rvv/autovec/vx_vf/vx-1-i32.c        |   1 +
 .../riscv/rvv/autovec/vx_vf/vx-1-i64.c        |   1 +
 .../riscv/rvv/autovec/vx_vf/vx-1-i8.c         |   1 +
 .../riscv/rvv/autovec/vx_vf/vx-2-i16.c        |   1 +
 .../riscv/rvv/autovec/vx_vf/vx-2-i32.c        |   1 +
 .../riscv/rvv/autovec/vx_vf/vx-2-i64.c        |   1 +
 .../riscv/rvv/autovec/vx_vf/vx-2-i8.c         |   1 +
 .../riscv/rvv/autovec/vx_vf/vx-3-i16.c        |   1 +
 .../riscv/rvv/autovec/vx_vf/vx-3-i32.c        |   1 +
 .../riscv/rvv/autovec/vx_vf/vx-3-i64.c        |   1 +
 .../riscv/rvv/autovec/vx_vf/vx-3-i8.c         |   1 +
 .../riscv/rvv/autovec/vx_vf/vx_binary.h       |   1 +
 .../riscv/rvv/autovec/vx_vf/vx_binary_data.h  | 136 ++++++++++++++++++
 .../rvv/autovec/vx_vf/vx_vmslt-run-1-i16.c    |  15 ++
 .../rvv/autovec/vx_vf/vx_vmslt-run-1-i32.c    |  16 +++
 .../rvv/autovec/vx_vf/vx_vmslt-run-1-i64.c    |  15 ++
 .../rvv/autovec/vx_vf/vx_vmslt-run-1-i8.c     |  15 ++
 18 files changed, 210 insertions(+)
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_vmslt-run-1-i16.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_vmslt-run-1-i32.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_vmslt-run-1-i64.c
 create mode 100644 
gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_vmslt-run-1-i8.c

diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-i16.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-i16.c
index 14a961de054..1b7a0d8061b 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-i16.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-i16.c
@@ -29,3 +29,4 @@ TEST_TERNARY_VX_SIGNED_0(T)
 /* { dg-final { scan-assembler-times {vnmsub.vx} 1 } } */
 /* { dg-final { scan-assembler-times {vmseq.vx} 1 } } */
 /* { dg-final { scan-assembler-times {vmsne.vx} 1 } } */
+/* { dg-final { scan-assembler-times {vmslt.vx} 1 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-i32.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-i32.c
index 738caa81a71..8e2c6315b08 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-i32.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-i32.c
@@ -29,3 +29,4 @@ TEST_TERNARY_VX_SIGNED_0(T)
 /* { dg-final { scan-assembler-times {vnmsub.vx} 1 } } */
 /* { dg-final { scan-assembler-times {vmseq.vx} 1 } } */
 /* { dg-final { scan-assembler-times {vmsne.vx} 1 } } */
+/* { dg-final { scan-assembler-times {vmslt.vx} 1 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-i64.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-i64.c
index 1e7a977cd85..a16623ee294 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-i64.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-i64.c
@@ -32,3 +32,4 @@ TEST_TERNARY_VX_SIGNED_0(T)
 /* { dg-final { scan-assembler-times {vnmsub.vx} 1 } } */
 /* { dg-final { scan-assembler-times {vmseq.vx} 1 } } */
 /* { dg-final { scan-assembler-times {vmsne.vx} 1 } } */
+/* { dg-final { scan-assembler-times {vmslt.vx} 1 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-i8.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-i8.c
index 70257d3b547..be50b83c726 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-i8.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-1-i8.c
@@ -29,3 +29,4 @@ TEST_TERNARY_VX_SIGNED_0(T)
 /* { dg-final { scan-assembler-times {vnmsub.vx} 1 } } */
 /* { dg-final { scan-assembler-times {vmseq.vx} 1 } } */
 /* { dg-final { scan-assembler-times {vmsne.vx} 1 } } */
+/* { dg-final { scan-assembler-times {vmslt.vx} 1 } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-i16.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-i16.c
index bced1568c3e..fb50baecf59 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-i16.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-i16.c
@@ -29,3 +29,4 @@ TEST_TERNARY_VX_SIGNED_0(T)
 /* { dg-final { scan-assembler-not {vnmsub.vx} } } */
 /* { dg-final { scan-assembler-not {vmseq.vx} } } */
 /* { dg-final { scan-assembler-not {vmsne.vx} } } */
+/* { dg-final { scan-assembler-not {vmslt.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-i32.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-i32.c
index cfb52fbadcf..d79e0e04c85 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-i32.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-i32.c
@@ -29,3 +29,4 @@ TEST_TERNARY_VX_SIGNED_0(T)
 /* { dg-final { scan-assembler-not {vnmsub.vx} } } */
 /* { dg-final { scan-assembler-not {vmseq.vx} } } */
 /* { dg-final { scan-assembler-not {vmsne.vx} } } */
+/* { dg-final { scan-assembler-not {vmslt.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-i64.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-i64.c
index 31846eff9b4..6cdaf5d6538 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-i64.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-i64.c
@@ -29,3 +29,4 @@ TEST_TERNARY_VX_SIGNED_0(T)
 /* { dg-final { scan-assembler-not {vnmsub.vx} } } */
 /* { dg-final { scan-assembler-not {vmseq.vx} } } */
 /* { dg-final { scan-assembler-not {vmsne.vx} } } */
+/* { dg-final { scan-assembler-not {vmslt.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-i8.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-i8.c
index ea28e2b3dd6..9e3879aadb7 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-i8.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-2-i8.c
@@ -29,3 +29,4 @@ TEST_TERNARY_VX_SIGNED_0(T)
 /* { dg-final { scan-assembler-not {vnmsub.vx} } } */
 /* { dg-final { scan-assembler-not {vmseq.vx} } } */
 /* { dg-final { scan-assembler-not {vmsne.vx} } } */
+/* { dg-final { scan-assembler-not {vmslt.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-i16.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-i16.c
index e3cddc4fb21..e3ef3e35deb 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-i16.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-i16.c
@@ -29,3 +29,4 @@ TEST_TERNARY_VX_SIGNED_0(T)
 /* { dg-final { scan-assembler-not {vnmsub.vx} } } */
 /* { dg-final { scan-assembler-not {vmseq.vx} } } */
 /* { dg-final { scan-assembler-not {vmsne.vx} } } */
+/* { dg-final { scan-assembler-not {vmslt.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-i32.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-i32.c
index c5cce621f92..20039c7e3b3 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-i32.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-i32.c
@@ -28,4 +28,5 @@ TEST_TERNARY_VX_SIGNED_0(T)
 /* { dg-final { scan-assembler-not {vmadd.vx} } } */
 /* { dg-final { scan-assembler-not {vnmsub.vx} } } */
 /* { dg-final { scan-assembler-not {vmseq.vx} } } */
+/* { dg-final { scan-assembler-not {vmslt.vx} } } */
 /* { dg-final { scan-assembler-not {vmsne.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-i64.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-i64.c
index 6ef8681011e..c973ea7c430 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-i64.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-i64.c
@@ -29,3 +29,4 @@ TEST_TERNARY_VX_SIGNED_0(T)
 /* { dg-final { scan-assembler-not {vnmsub.vx} } } */
 /* { dg-final { scan-assembler-not {vmseq.vx} } } */
 /* { dg-final { scan-assembler-not {vmsne.vx} } } */
+/* { dg-final { scan-assembler-not {vmslt.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-i8.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-i8.c
index cc789591dc9..e781c627b8d 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-i8.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx-3-i8.c
@@ -29,3 +29,4 @@ TEST_TERNARY_VX_SIGNED_0(T)
 /* { dg-final { scan-assembler-not {vnmsub.vx} } } */
 /* { dg-final { scan-assembler-not {vmseq.vx} } } */
 /* { dg-final { scan-assembler-not {vmsne.vx} } } */
+/* { dg-final { scan-assembler-not {vmslt.vx} } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_binary.h 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_binary.h
index 764f301d082..a9bba40a55d 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_binary.h
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_binary.h
@@ -404,6 +404,7 @@ DEF_AVG_CEIL(int32_t, int64_t)
   DEF_VX_BINARY_CASE_0_WRAP(T, %, rem)                            \
   DEF_VX_BINARY_CASE_0_WRAP(T, ==, eq)                            \
   DEF_VX_BINARY_CASE_0_WRAP(T, !=, ne)                            \
+  DEF_VX_BINARY_CASE_0_WRAP(T, <, lt)                             \
   DEF_VX_BINARY_CASE_2_WRAP(T, MAX_FUNC_0_WARP(T), max)           \
   DEF_VX_BINARY_CASE_2_WRAP(T, MAX_FUNC_1_WARP(T), max)           \
   DEF_VX_BINARY_CASE_2_WRAP(T, MIN_FUNC_0_WARP(T), min)           \
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_binary_data.h 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_binary_data.h
index d4834c79414..fad479a260f 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_binary_data.h
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_binary_data.h
@@ -6566,4 +6566,140 @@ uint64_t TEST_BINARY_DATA(uint64_t, ltu)[][3][N] =
   },
 };
 
+int8_t TEST_BINARY_DATA(int8_t, lt)[][3][N] =
+{
+  {
+    { 127 },
+    {
+         0,    0,    0,    0,
+        -1,   -1,   -1,   -1,
+       127,  127,  127,  127,
+      -128, -128, -128, -128,
+    },
+    {
+        1,   1,   1,   1,
+        1,   1,   1,   1,
+        0,   0,   0,   0,
+        1,   1,   1,   1,
+    },
+  },
+  {
+    { -1 },
+    {
+         0,    0,    0,    0,
+         1,    1,    1,    1,
+        -2,   -2,   -2,   -2,
+      -128, -128, -128, -128,
+    },
+    {
+         0,   0,   0,   0,
+         0,   0,   0,   0,
+         1,   1,   1,   1,
+         1,   1,   1,   1,
+    },
+  },
+};
+
+int16_t TEST_BINARY_DATA(int16_t, lt)[][3][N] =
+{
+  {
+    { 32767 },
+    {
+           0,      0,      0,      0,
+          -1,     -1,     -1,     -1,
+       32767,  32767,  32767,  32767,
+      -32768, -32768, -32768, -32768,
+    },
+    {
+        1,   1,   1,   1,
+        1,   1,   1,   1,
+        0,   0,   0,   0,
+        1,   1,   1,   1,
+    },
+  },
+  {
+    { -1 },
+    {
+           0,      0,      0,      0,
+           1,      1,      1,      1,
+          -2,     -2,     -2,     -2,
+      -32768, -32768, -32768, -32768,
+    },
+    {
+         0,   0,   0,   0,
+         0,   0,   0,   0,
+         1,   1,   1,   1,
+         1,   1,   1,   1,
+    },
+  },
+};
+
+int32_t TEST_BINARY_DATA(int32_t, lt)[][3][N] =
+{
+  {
+    { 2147483647 },
+    {
+                0,           0,           0,           0,
+               -1,          -1,          -1,          -1,
+       2147483647,  2147483647,  2147483647,  2147483647,
+      -2147483648, -2147483648, -2147483648, -2147483648,
+    },
+    {
+        1,   1,   1,   1,
+        1,   1,   1,   1,
+        0,   0,   0,   0,
+        1,   1,   1,   1,
+    },
+  },
+  {
+    { -1 },
+    {
+                0,           0,           0,           0,
+                1,           1,           1,           1,
+               -2,          -2,          -2,          -2,
+      -2147483648, -2147483648, -2147483648, -2147483648,
+    },
+    {
+         0,   0,   0,   0,
+         0,   0,   0,   0,
+         1,   1,   1,   1,
+         1,   1,   1,   1,
+    },
+  },
+};
+
+int64_t TEST_BINARY_DATA(int64_t, lt)[][3][N] =
+{
+  {
+    { 9223372036854775807ll },
+    {
+                            0,                       0,                       
0,                       0,
+                           -1,                      -1,                      
-1,                      -1,
+        9223372036854775807ll,   9223372036854775807ll,   
9223372036854775807ll,   9223372036854775807ll,
+      -9223372036854775808ull, -9223372036854775808ull, 
-9223372036854775808ull, -9223372036854775808ull,
+    },
+    {
+        1,   1,   1,   1,
+        1,   1,   1,   1,
+        0,   0,   0,   0,
+        1,   1,   1,   1,
+    },
+  },
+  {
+    { -1 },
+    {
+                            0,                       0,                       
0,                       0,
+                            1,                       1,                       
1,                       1,
+                           -2,                      -2,                      
-2,                      -2,
+      -9223372036854775808ull, -9223372036854775808ull, 
-9223372036854775808ull, -9223372036854775808ull,
+    },
+    {
+         0,   0,   0,   0,
+         0,   0,   0,   0,
+         1,   1,   1,   1,
+         1,   1,   1,   1,
+    },
+  },
+};
+
 #endif
diff --git 
a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_vmslt-run-1-i16.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_vmslt-run-1-i16.c
new file mode 100644
index 00000000000..865a2f8c9a6
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_vmslt-run-1-i16.c
@@ -0,0 +1,15 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "-std=c99 --param=gpr2vr-cost=0" } */
+
+#include "vx_binary.h"
+#include "vx_binary_data.h"
+
+#define T    int16_t
+#define NAME lt
+
+DEF_VX_BINARY_CASE_0_WRAP(T, <, NAME)
+
+#define TEST_DATA                        TEST_BINARY_DATA_WRAP(T, NAME)
+#define TEST_RUN(T, NAME, out, in, x, n) RUN_VX_BINARY_CASE_0_WRAP(T, NAME, 
out, in, x, n)
+
+#include "vx_binary_run.h"
diff --git 
a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_vmslt-run-1-i32.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_vmslt-run-1-i32.c
new file mode 100644
index 00000000000..eeb2a6601ce
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_vmslt-run-1-i32.c
@@ -0,0 +1,16 @@
+
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "-std=c99 --param=gpr2vr-cost=0" } */
+
+#include "vx_binary.h"
+#include "vx_binary_data.h"
+
+#define T    int32_t
+#define NAME lt
+
+DEF_VX_BINARY_CASE_0_WRAP(T, <, NAME)
+
+#define TEST_DATA                        TEST_BINARY_DATA_WRAP(T, NAME)
+#define TEST_RUN(T, NAME, out, in, x, n) RUN_VX_BINARY_CASE_0_WRAP(T, NAME, 
out, in, x, n)
+
+#include "vx_binary_run.h"
diff --git 
a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_vmslt-run-1-i64.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_vmslt-run-1-i64.c
new file mode 100644
index 00000000000..c3a2052c963
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_vmslt-run-1-i64.c
@@ -0,0 +1,15 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "-std=c99 --param=gpr2vr-cost=0" } */
+
+#include "vx_binary.h"
+#include "vx_binary_data.h"
+
+#define T    int64_t
+#define NAME lt
+
+DEF_VX_BINARY_CASE_0_WRAP(T, <, NAME)
+
+#define TEST_DATA                        TEST_BINARY_DATA_WRAP(T, NAME)
+#define TEST_RUN(T, NAME, out, in, x, n) RUN_VX_BINARY_CASE_0_WRAP(T, NAME, 
out, in, x, n)
+
+#include "vx_binary_run.h"
diff --git 
a/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_vmslt-run-1-i8.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_vmslt-run-1-i8.c
new file mode 100644
index 00000000000..92a84f24a12
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/vx_vf/vx_vmslt-run-1-i8.c
@@ -0,0 +1,15 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "-std=c99 --param=gpr2vr-cost=0" } */
+
+#include "vx_binary.h"
+#include "vx_binary_data.h"
+
+#define T    int8_t
+#define NAME lt
+
+DEF_VX_BINARY_CASE_0_WRAP(T, <, NAME)
+
+#define TEST_DATA                        TEST_BINARY_DATA_WRAP(T, NAME)
+#define TEST_RUN(T, NAME, out, in, x, n) RUN_VX_BINARY_CASE_0_WRAP(T, NAME, 
out, in, x, n)
+
+#include "vx_binary_run.h"
-- 
2.43.0

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