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-rw-r--r--gcc/testsuite/gcc.target/powerpc/recip-2.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/powerpc/recip-2.c b/gcc/testsuite/gcc.target/powerpc/recip-2.c
new file mode 100644
index 000000000..3e64c0757
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/recip-2.c
@@ -0,0 +1,21 @@
+/* { dg-do compile { target { { powerpc*-*-* } && { ! powerpc*-apple-darwin* } } } } */
+/* { dg-options "-O2 -mrecip -ffast-math -mcpu=power5" } */
+/* { dg-final { scan-assembler-times "frsqrtes" 1 } } */
+/* { dg-final { scan-assembler-times "fmsubs" 1 } } */
+/* { dg-final { scan-assembler-times "fmuls" 6 } } */
+/* { dg-final { scan-assembler-times "fnmsubs" 3 } } */
+/* { dg-final { scan-assembler-times "fsqrt" 1 } } */
+
+/* power5 resqrte is not accurate enough, and should not be generated by
+ default for -mrecip. */
+double
+rsqrt_d (double a)
+{
+ return 1.0 / __builtin_sqrt (a);
+}
+
+float
+rsqrt_f (float a)
+{
+ return 1.0f / __builtin_sqrtf (a);
+}