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authorRong Xu <xur@google.com>2014-08-06 17:50:42 -0700
committerRong Xu <xur@google.com>2014-08-06 17:50:42 -0700
commitf1c18afafc2b321465ae6b07ede127095942d7dc (patch)
tree812093eebfa8510367718c12c02f7da03c0e73bf /gcc-4.9/gcc/config/sparc
parent38a8aecfb882072900434499696b5c32a2274515 (diff)
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[gcc-4.9] Merge svn r213650 from google/gcc-4_9 branch
Merge svn r213650 from google/gcc-4_9 branch. Tested with arm,x86,mips,arm64,x86_64,mips64 build in liunux/windows. Change-Id: I0c07f67d516074172aa393003eee664d01f2e0f2
Diffstat (limited to 'gcc-4.9/gcc/config/sparc')
-rw-r--r--gcc-4.9/gcc/config/sparc/sync.md10
1 files changed, 9 insertions, 1 deletions
diff --git a/gcc-4.9/gcc/config/sparc/sync.md b/gcc-4.9/gcc/config/sparc/sync.md
index e6e237f25..98ac0d3d6 100644
--- a/gcc-4.9/gcc/config/sparc/sync.md
+++ b/gcc-4.9/gcc/config/sparc/sync.md
@@ -64,11 +64,19 @@
"stbar"
[(set_attr "type" "multi")])
+;; For LEON3, STB has the effect of membar #StoreLoad.
+(define_insn "*membar_storeload_leon3"
+ [(set (match_operand:BLK 0 "" "")
+ (unspec:BLK [(match_dup 0) (const_int 2)] UNSPEC_MEMBAR))]
+ "TARGET_LEON3"
+ "stb\t%%g0, [%%sp-1]"
+ [(set_attr "type" "store")])
+
;; For V8, LDSTUB has the effect of membar #StoreLoad.
(define_insn "*membar_storeload"
[(set (match_operand:BLK 0 "" "")
(unspec:BLK [(match_dup 0) (const_int 2)] UNSPEC_MEMBAR))]
- "TARGET_V8"
+ "TARGET_V8 && !TARGET_LEON3"
"ldstub\t[%%sp-1], %%g0"
[(set_attr "type" "multi")])