\1a2015-01-13 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

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6bf509eb131a68fa85f973f5af07578da00ecbf6..0248000ea77caca7c32aa0383895d666d2794315 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+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

diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c
index 3b6c67a95cb82f53d4140b1c40d8bca36f5a2ae7..1151c8b7e014785b748b513e65c3cd87f4958b3b 100644 (file)
--- a/gcc/config/aarch64/aarch64.c
+++ b/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)

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a3fea9be37f72115ed1b051d23a260fb89983c69..4aad423598f8f759fa684b81354b4df4b518e7c6 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+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

diff --git a/gcc/testsuite/gcc.target/aarch64/store-pair-1.c b/gcc/testsuite/gcc.target/aarch64/store-pair-1.c
new file mode 100644 (file)
index 0000000..46c727e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/aarch64/store-pair-1.c
@@ -0,0 +1,12 @@
+/* { 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\[0-9\]+" } }