1 files changed, 100 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/sh/pr50751-8.c b/gcc/testsuite/gcc.target/sh/pr50751-8.c
new file mode 100644
index 0000000..bced631
--- /dev/null
+++ b/gcc/testsuite/gcc.target/sh/pr50751-8.c
@@ -0,0 +1,100 @@
+/* Check that on SH2A the 4 byte movu.b and movu.w displacement insns are
+   generated.  This has to be checked with -O2 because some of the patterns
+   rely on peepholes.  */
+/* { dg-do compile { target "sh*-*-*" } } */
+/* { dg-options "-O2" } */
+/* { dg-skip-if "" { "sh*-*-*" } { "*" } { "-m2a*" } } */
+/* { dg-final { scan-assembler-times "movu.b" 4 } } */
+/* { dg-final { scan-assembler-times "movu.w" 3 } } */
+
+int
+test_00 (unsigned char* x)
+{
+  /* 1x movu.b  */
+  return x[0];
+}
+
+int
+test_01 (unsigned short* x)
+{
+  /* 1x movu.w  */
+  return x[0];
+}
+
+int
+test_02 (unsigned char* x)
+{
+  /* 1x movu.b  */
+  return x[1];
+}
+
+int
+test_03 (unsigned char* x)
+{
+  /* 1x movu.b  */
+  return x[32];
+}
+
+int
+test_04 (unsigned char* x)
+{
+  /* 1x movu.b  */
+  return x[9000];
+}
+
+int
+test_05 (unsigned short* x)
+{
+  /* 1x movu.w  */
+  return x[9000];
+}
+
+int
+test_06 (unsigned char* x, int i)
+{
+  /* No movu.b expected here.  Should use mov.b (r0,r4) + extu.b instead.  */
+  return x[i];
+}
+
+int
+test_07 (unsigned short* x, int i)
+{
+  /* No movu.w expected here.  Should use mov.w (r0,r4) + extu.w instead.  */
+  return x[i];
+}
+
+int
+test_08 (unsigned char* x, int c)
+{
+  /* No movu.b expected here.  Should use post-inc addressing instead.  */
+  int s = 0;
+  int i;
+  for (i = 0; i < c; ++i)
+    s += x[i];
+  return s;
+}
+
+void
+test_09 (unsigned char* x, unsigned char* y)
+{
+  /* No movu.b expected here, since the zero-extension is irrelevant.  */
+  x[1] = y[1];
+  x[2] = y[2];
+}
+
+void
+test_10 (unsigned char* x, unsigned short* y)
+{
+  /* No movu.w expected here, since the zero-extension is irrelevant.  */
+  x[1] = y[1];
+  x[2] = y[2];
+}
+
+int
+test_11 (unsigned char* x, unsigned short* y)
+{
+  /* 1x movu.w  */
+  int yy = y[1];
+  x[1] = yy;
+  return yy;
+}