altivec.md (p8_vmrgew): Handle little endian targets.

2014-02-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/altivec.md (p8_vmrgew): Handle little endian
	targets.
	(p8_vmrgow): Likewise.

From-SVN: r207815

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1a3acf0..a448f37 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,11 @@
 2014-02-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 
+       * config/rs6000/altivec.md (p8_vmrgew): Handle little endian
+       targets.
+       (p8_vmrgow): Likewise.
+
+2014-02-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
+
        * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Handle little
        endian targets.
 

diff --git a/gcc/config/rs6000/altivec.md b/gcc/config/rs6000/altivec.md
index af6766b..afe621c 100644 (file)
--- a/gcc/config/rs6000/altivec.md
+++ b/gcc/config/rs6000/altivec.md
@@ -1234,7 +1234,12 @@
          (parallel [(const_int 0) (const_int 4)
                     (const_int 2) (const_int 6)])))]
   "TARGET_P8_VECTOR"
-  "vmrgew %0,%1,%2"
+{
+  if (BYTES_BIG_ENDIAN)
+    return "vmrgew %0,%1,%2";
+  else
+    return "vmrgow %0,%2,%1";
+}
   [(set_attr "type" "vecperm")])
 
 (define_insn "p8_vmrgow"
@@ -1246,7 +1251,12 @@
          (parallel [(const_int 1) (const_int 5)
                     (const_int 3) (const_int 7)])))]
   "TARGET_P8_VECTOR"
-  "vmrgow %0,%1,%2"
+{
+  if (BYTES_BIG_ENDIAN)
+    return "vmrgow %0,%1,%2";
+  else
+    return "vmrgew %0,%2,%1";
+}
   [(set_attr "type" "vecperm")])
 
 (define_expand "vec_widen_umult_even_v16qi"