1 files changed, 36 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/powerpc/ppc-fmadd-3.c b/gcc/testsuite/gcc.target/powerpc/ppc-fmadd-3.c
new file mode 100644
index 000000000..d4205225c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/ppc-fmadd-3.c
@@ -0,0 +1,36 @@
+/* { dg-do compile { target powerpc*-*-* } } */
+/* { dg-options "-O2" } */
+/* { dg-final { scan-assembler-not "f(add|sub|mul)" } } */
+
+void foo(double *a, double *b, double *c, double *d)
+{
+#if 0
+  a[1] =  b[1] - c[1] * d[1];		// fneg, fmadd without fast-math
+#endif
+  a[3] = -b[3] - c[3] * d[3];		// fneg, fmsub without fast-math
+#if 0
+  a[5] = -( b[5] - c[5] * d[5]);	// fneg, fnmadd without fast-math
+#endif
+  a[7] = -(-b[7] - c[7] * d[7]);	// fneg, fnmsub without fast-math
+  a[11] =  b[11] + c[11] * -d[11];	// fneg, fmadd without fast-math
+  a[13] = -b[13] + c[13] * -d[13];	// fneg, fmsub without fast-math
+  a[15] = -( b[15] + c[15] * -d[15]);	// fneg, fnmadd without fast-math
+  a[17] = -(-b[17] + c[17] * -d[17]);	// fneg, fnmsub without fast-math
+}
+
+void foos(float *a, float *b, float *c, float *d)
+{
+#if 0
+  a[1] =  b[1] - c[1] * d[1];		// fneg, fmadd without fast-math
+#endif
+  a[3] = -b[3] - c[3] * d[3];		// fneg, fmsub without fast-math
+#if 0
+  a[5] = -( b[5] - c[5] * d[5]);	// fneg, fnmadd without fast-math
+#endif
+  a[7] = -(-b[7] - c[7] * d[7]);	// fneg, fnmsub without fast-math
+  a[11] =  b[11] + c[11] * -d[11];	// fneg, fmadd without fast-math
+  a[13] = -b[13] + c[13] * -d[13];	// fneg, fmsub without fast-math
+  a[15] = -( b[15] + c[15] * -d[15]);	// fneg, fnmadd without fast-math
+  a[17] = -(-b[17] + c[17] * -d[17]);	// fneg, fnmsub without fast-math
+}
+