1 files changed, 66 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/sh/pr54680.c b/gcc-4.9/gcc/testsuite/gcc.target/sh/pr54680.c
new file mode 100644
index 000000000..9171eeaf6
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/sh/pr54680.c
@@ -0,0 +1,66 @@
+/* Verify that the fsca input value is not converted to float and then back
+   to int.  Notice that we can't count just "lds" insns because mode switches
+   use "lds.l".  */
+/* { dg-do compile }  */
+/* { dg-options "-O2 -mfsca -funsafe-math-optimizations" } */
+/* { dg-skip-if "" { "sh*-*-*" } { "-m1" "-m2*" "-m3*" "-m4al" "*nofpu" "-m4-340*" "-m4-400*" "-m4-500*" "-m5*" } { "" } }  */
+/* { dg-final { scan-assembler-times "fsca" 7 } } */
+/* { dg-final { scan-assembler-times "shad" 1 } } */
+/* { dg-final { scan-assembler-times "lds\t" 6 } } */
+/* { dg-final { scan-assembler-times "fmul" 2 } } */
+/* { dg-final { scan-assembler-times "ftrc" 1 } } */
+
+#include <math.h>
+
+static const float pi = 3.14159265359f;
+
+float
+test00 (int x)
+{
+  /* 1x shad, 1x lds, 1x fsca  */
+  return sinf ( (x >> 8) * (2*pi) / (1 << 16));
+}
+
+float
+test01 (int x)
+{
+  /* 1x lds, 1x fsca  */
+  return sinf (x * (2*pi) / 65536);
+}
+
+float
+test02 (int x)
+{
+  /* 1x lds, 1x fsca  */
+  return sinf (x * (2*pi / 65536));
+}
+
+float
+test03 (int x)
+{
+  /* 1x lds, 1x fsca  */
+  float scale = 2*pi / 65536;
+  return sinf (x * scale);
+}
+
+float
+test04 (int x)
+{
+  /* 1x lds, 1x fsca  */
+  return cosf (x / 65536.0f * 2*pi);
+}
+
+float
+test05 (int x)
+{
+  /* 1x lds, 1x fsca, 1x fmul  */
+  float scale = 2*pi / 65536;
+  return sinf (x * scale) * cosf (x * scale);
+}
+
+float
+test_06 (float x)
+{
+  /* 1x fmul, 1x ftrc, 1x fsca  */
+  return sinf (x);
+}