[PATCH] RISC-V: Add fixed PR111255 testcase by other patch

[Lehua Ding]

This patch add the missed PR111255 testcase which is fixed by this
committed patch 
(https://gcc.gnu.org/pipermail/gcc-patches/2023-August/628922.html).

        PR target/111255

gcc/testsuite/ChangeLog:

        * gcc.target/riscv/rvv/vsetvl/pr111255.c: New test.

---
 .../gcc.target/riscv/rvv/vsetvl/pr111255.c    | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/vsetvl/pr111255.c

diff --git a/gcc/testsuite/gcc.target/riscv/rvv/vsetvl/pr111255.c 
b/gcc/testsuite/gcc.target/riscv/rvv/vsetvl/pr111255.c
new file mode 100644
index 00000000000..736f6838a50
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/vsetvl/pr111255.c
@@ -0,0 +1,24 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d -O3 --param riscv-autovec-lmul=m2 
-fno-vect-cost-model" } */
+
+#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 -> narrower-INT */
+#define TEST_ALL_X2X_NARROWER(T)                                               
\
+  T (int16_t, int8_t)
+
+TEST_ALL_X2X_NARROWER (DEF_LOOP)
+
+/* { dg-final { scan-assembler-not 
{\tvsetvli\t[a-x0-9]+,[a-x0-9]+,e[0-9]+,m[f0-9]+,t[au],m[au]\n\tvsetvli\t} } } 
*/
--
2.36.3