1 files changed, 81 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/fma3-fma.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/fma3-fma.c
new file mode 100644
index 000000000..f18f97bf3
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/fma3-fma.c
@@ -0,0 +1,81 @@
+/* Test that the compiler properly optimizes floating point multiply
+   and add instructions FMA3 systems.  */
+
+/* { dg-do compile { target { ! { ia32 } } } } */
+/* { dg-options "-O2 -mfma -mno-fma4" } */
+
+extern void exit (int);
+
+float
+flt_mul_add (float a, float b, float c)
+{
+  return (a * b) + c;
+}
+
+double
+dbl_mul_add (double a, double b, double c)
+{
+  return (a * b) + c;
+}
+
+float
+flt_mul_sub (float a, float b, float c)
+{
+  return (a * b) - c;
+}
+
+double
+dbl_mul_sub (double a, double b, double c)
+{
+  return (a * b) - c;
+}
+
+float
+flt_neg_mul_add (float a, float b, float c)
+{
+  return (-(a * b)) + c;
+}
+
+double
+dbl_neg_mul_add (double a, double b, double c)
+{
+  return (-(a * b)) + c;
+}
+
+float
+flt_neg_mul_sub (float a, float b, float c)
+{
+  return (-(a * b)) - c;
+}
+
+double
+dbl_neg_mul_sub (double a, double b, double c)
+{
+  return (-(a * b)) - c;
+}
+
+float  f[10] = { 2, 3, 4 };
+double d[10] = { 2, 3, 4 };
+
+int main ()
+{
+  f[3] = flt_mul_add (f[0], f[1], f[2]);
+  f[4] = flt_mul_sub (f[0], f[1], f[2]);
+  f[5] = flt_neg_mul_add (f[0], f[1], f[2]);
+  f[6] = flt_neg_mul_sub (f[0], f[1], f[2]);
+
+  d[3] = dbl_mul_add (d[0], d[1], d[2]);
+  d[4] = dbl_mul_sub (d[0], d[1], d[2]);
+  d[5] = dbl_neg_mul_add (d[0], d[1], d[2]);
+  d[6] = dbl_neg_mul_sub (d[0], d[1], d[2]);
+  exit (0);
+}
+
+/* { dg-final { scan-assembler "vfmadd...ss" } } */
+/* { dg-final { scan-assembler "vfmadd...sd" } } */
+/* { dg-final { scan-assembler "vfmsub...ss" } } */
+/* { dg-final { scan-assembler "vfmsub...sd" } } */
+/* { dg-final { scan-assembler "vfnmadd...ss" } } */
+/* { dg-final { scan-assembler "vfnmadd...sd" } } */
+/* { dg-final { scan-assembler "vfnmsub...ss" } } */
+/* { dg-final { scan-assembler "vfnmsub...sd" } } */