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authorMichael Meissner <meissner@linux.vnet.ibm.com>2010-06-03 00:06:12 +0000
committerMichael Meissner <meissner@gcc.gnu.org>2010-06-03 00:06:12 +0000
commit92902797041a42ac500f7dc9639df8a680e0b691 (patch)
treed55e7fa0ae623e1c748075d3f81edeb35fb123fb /gcc/testsuite/gcc.target/powerpc/recip-3.c
parent6c07d08b90b124d8d3be8015726caf799e2e2a13 (diff)
downloadgcc-92902797041a42ac500f7dc9639df8a680e0b691.tar.gz
PR target/44218, improve -mrecip on powerpc
From-SVN: r160199
Diffstat (limited to 'gcc/testsuite/gcc.target/powerpc/recip-3.c')
-rw-r--r--gcc/testsuite/gcc.target/powerpc/recip-3.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/powerpc/recip-3.c b/gcc/testsuite/gcc.target/powerpc/recip-3.c
new file mode 100644
index 00000000000..80a34e8ee59
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/recip-3.c
@@ -0,0 +1,22 @@
+/* { dg-do compile { target { powerpc*-*-* } } } */
+/* { dg-options "-O2 -mrecip -ffast-math -mcpu=power7" } */
+/* { dg-final { scan-assembler-times "xsrsqrtedp" 1 } } */
+/* { dg-final { scan-assembler-times "xsmsub.dp" 1 } } */
+/* { dg-final { scan-assembler-times "xsmuldp" 4 } } */
+/* { dg-final { scan-assembler-times "xsnmsub.dp" 2 } } */
+/* { dg-final { scan-assembler-times "frsqrtes" 1 } } */
+/* { dg-final { scan-assembler-times "fmsubs" 1 } } */
+/* { dg-final { scan-assembler-times "fmuls" 4 } } */
+/* { dg-final { scan-assembler-times "fnmsubs" 2 } } */
+
+double
+rsqrt_d (double a)
+{
+ return 1.0 / __builtin_sqrt (a);
+}
+
+float
+rsqrt_f (float a)
+{
+ return 1.0f / __builtin_sqrtf (a);
+}