1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/mips/ext-2.c b/gcc/testsuite/gcc.target/mips/ext-2.c
new file mode 100644
index 000000000..8d502b21b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/mips/ext-2.c
@@ -0,0 +1,14 @@
+/* Turn the truncate,zero_extend,lshiftrt sequence before the or into a
+   zero_extract.  The truncate is due to TARGET_PROMOTE_PROTOTYPES, the
+   zero_extend to PROMOTE_MODE.  */
+/* { dg-do compile } */
+/* { dg-options "-O isa_rev>=2 -mgp64" } */
+/* { dg-final { scan-assembler "\tdext\t" } } */
+/* { dg-final { scan-assembler-not "and" } } */
+/* { dg-final { scan-assembler-not "srl" } } */
+
+void
+f (unsigned char x, unsigned char *r)
+{
+  *r = 0x50 | (x >> 4);
+}