[PATCH] RISC-V: Add VLS to mask vec_extract [PR114668].

[Robin Dapp]

Hi,

this adds the missing VLS modes to the mask extract expanders.
I found a dump scan difficult to create reliably so I just
kept the PR's run test case.

Regtested on rv64gcv. 

Regards
 Robin

gcc/ChangeLog:

        PR target/114668

        * config/riscv/autovec.md: Add VLS.

gcc/testsuite/ChangeLog:

        * gcc.target/riscv/rvv/autovec/pr114668.c: New test.
---
 gcc/config/riscv/autovec.md                   |  4 +--
 .../gcc.target/riscv/rvv/autovec/pr114668.c   | 35 +++++++++++++++++++
 2 files changed, 37 insertions(+), 2 deletions(-)
 create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/autovec/pr114668.c

diff --git a/gcc/config/riscv/autovec.md b/gcc/config/riscv/autovec.md
index 3b32369f68c..aa1ae0fe075 100644
--- a/gcc/config/riscv/autovec.md
+++ b/gcc/config/riscv/autovec.md
@@ -1427,7 +1427,7 @@ (define_expand "vec_extract<mode><vel>"
 (define_expand "vec_extract<mode>qi"
   [(set (match_operand:QI        0 "register_operand")
      (vec_select:QI
-       (match_operand:VB         1 "register_operand")
+       (match_operand:VB_VLS     1 "register_operand")
        (parallel
         [(match_operand          2 "nonmemory_operand")])))]
   "TARGET_VECTOR"
@@ -1453,7 +1453,7 @@ (define_expand "vec_extract<mode>qi"
 (define_expand "vec_extract<mode>bi"
   [(set (match_operand:QI        0 "register_operand")
      (vec_select:QI
-       (match_operand:VB         1 "register_operand")
+       (match_operand:VB_VLS     1 "register_operand")
        (parallel
         [(match_operand          2 "nonmemory_operand")])))]
   "TARGET_VECTOR"
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr114668.c 
b/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr114668.c
new file mode 100644
index 00000000000..3a13c3c0012
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/pr114668.c
@@ -0,0 +1,35 @@
+/* { dg-do run } */
+/* { dg-require-effective-target riscv_v } */
+/* { dg-options { -O3 -fno-vect-cost-model -march=rv64gcv -mabi=lp64d  } } */
+
+char a;
+int b;
+short e[14];
+char f[4][12544];
+_Bool c[4][5];
+
+__attribute__ ((noipa))
+void foo (int a)
+{
+  if (a != 1)
+    __builtin_abort ();
+}
+
+int main ()
+{
+  for (int i = 0; i < 4; ++i)
+    for (int l = 0; l < 15; ++l)
+      for (int m = 0; m < 15; ++m)
+       f[i][l * m] = 3;
+  for (int j = 0; j < 4; j += 1)
+    for (int k = 3; k < 13; k += 3)
+      for (_Bool l = 0; l < 1; l = 1)
+       for (int m = 0; m < 4; m += 1)
+         {
+           a = 0;
+           b -= e[k];
+           c[j][m] = f[j][6];
+         }
+  for (long i = 2; i < 4; ++i)
+    foo (c[3][3]);
+}
-- 
2.44.0