2015-01-13 Andrew Pinski <apinski@cavium.com>

        * config/aarch64/aarch64.c (fusion_load_store): Check dest mode
        instead of src mode.


2015-01-13  Andrew Pinski  <apinski@cavium.com>

        * gcc.target/aarch64/store-pair-1.c: New testcase.

From-SVN: r219532

gcc/ChangeLog

+2015-01-13  Andrew Pinski   <apinski@cavium.com>
+
+	* config/aarch64/aarch64.c (fusion_load_store): Check dest mode
+	instead of src mode.	
+
 2015-01-13  Richard Biener  <rguenther@suse.de>
 
 	PR lto/64373

gcc/config/aarch64/aarch64.c

@@ -10520,8 +10520,8 @@ fusion_load_store (rtx_insn *insn, rtx *base, rtx *offset)
   src = SET_SRC (x);
   dest = SET_DEST (x);
 
-  if (GET_MODE (src) != SImode && GET_MODE (src) != DImode
-      && GET_MODE (src) != SFmode && GET_MODE (src) != DFmode)
+  if (GET_MODE (dest) != SImode && GET_MODE (dest) != DImode
+      && GET_MODE (dest) != SFmode && GET_MODE (dest) != DFmode)
     return SCHED_FUSION_NONE;
 
   if (GET_CODE (src) == SIGN_EXTEND)

gcc/testsuite/ChangeLog

+2015-01-13  Andrew Pinski  <apinski@cavium.com>
+
+	* gcc.target/aarch64/store-pair-1.c: New testcase.
+
 2015-01-13  Richard Biener  <rguenther@suse.de>
 
 	PR lto/64373

gcc/testsuite/gcc.target/aarch64/store-pair-1.c

+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+int f(int *a, int b)
+{
+  a[28] = 0;
+  a[29] = b;
+  a[31] = 0;
+}
+
+/* We should be able to produce store pair for the store of 28/29 store. */
+{ dg-final { scan-assembler "stp\tw\[0-9\]+, w\[0-9\]+" } }