File gcc-power7-sles-11sp1-nvl572812.patch of Package gcc43

[gcc]
2010-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/42747
	* config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
	to allow generation of the xssqrtdp instruction on power7.
	(sqrtdf2_fpr): Ditto.

[gcc/testsuite]
2010-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* gcc.target/powerpc/pr42747.c: New file.

Index: gcc/config/rs6000/rs6000.md
===================================================================
--- gcc/config/rs6000/rs6000.md	(revision 155910)
+++ gcc/config/rs6000/rs6000.md	(working copy)
@@ -6310,7 +6310,14 @@ (define_insn "*fnmsubdf4_fpr_2"
   [(set_attr "type" "dmul")
    (set_attr "fp_type" "fp_maddsub_d")])
 
-(define_insn "sqrtdf2"
+(define_expand "sqrtdf2"
+  [(set (match_operand:DF 0 "gpc_reg_operand" "")
+	(sqrt:DF (match_operand:DF 1 "gpc_reg_operand" "")))]
+  "(TARGET_PPC_GPOPT || TARGET_POWER2) && TARGET_HARD_FLOAT && TARGET_FPRS 
+   && TARGET_DOUBLE_FLOAT"
+  "")
+
+(define_insn "*sqrtdf2_fpr"
   [(set (match_operand:DF 0 "gpc_reg_operand" "=d")
 	(sqrt:DF (match_operand:DF 1 "gpc_reg_operand" "d")))]
   "(TARGET_PPC_GPOPT || TARGET_POWER2) && TARGET_HARD_FLOAT && TARGET_FPRS 
Index: gcc/testsuite/gcc.target/powerpc/pr42747.c
===================================================================
--- gcc/testsuite/gcc.target/powerpc/pr42747.c	(revision 0)
+++ gcc/testsuite/gcc.target/powerpc/pr42747.c	(revision 0)
@@ -0,0 +1,8 @@
+/* { dg-do compile { target { powerpc*-*-* } } } */
+/* { dg-skip-if "" { powerpc*-*-darwin* } { "*" } { "" } } */
+/* { dg-require-effective-target powerpc_vsx_ok } */
+/* { dg-options "-O2 -mcpu=power7 -ffast-math" } */
+
+double foo (double x) { return __builtin_sqrt (x); }
+
+/* { dg-final { scan-assembler "xssqrtdp" } } */