[COMMITTED,AArch64] Remove ISB after FPCR write.
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Message ID 538CA76E.1060200@arm.com
State New
Headers show

Commit Message

Marcus Shawcroft June 2, 2014, 4:33 p.m. UTC
This patch removes the ISB following FPCR write.  Committed.

/Marcus

2014-06-02  Marcus Shawcroft  <marcus.shawcroft@arm.com>

        * config/aarch64/aarch64.md (set_fpcr): Drop ISB after FPCR write.
commit 933934b5636f539d2b678a9f3400f7dd1560faa1
Author: Marcus Shawcroft <marcus.shawcroft@arm.com>
Date:   Mon Jun 2 12:51:49 2014 +0100

    [AArch64] Drop ISB after FPCR write.

Patch
diff mbox

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 120ada9..9b46f58 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@ 
+2014-06-02  Marcus Shawcroft  <marcus.shawcroft@arm.com>
+
+	* config/aarch64/aarch64.md (set_fpcr): Drop ISB after FPCR write.
+
 2014-06-01  Uros Bizjak  <ubizjak@gmail.com>
 
 	* config/i386/constraints.md (Bw): Rename from 'w'.
diff --git a/gcc/config/aarch64/aarch64.md b/gcc/config/aarch64/aarch64.md
index fec2ea8..6e605c1 100644
--- a/gcc/config/aarch64/aarch64.md
+++ b/gcc/config/aarch64/aarch64.md
@@ -3904,7 +3904,7 @@ 
 (define_insn "set_fpcr"
   [(unspec_volatile [(match_operand:SI 0 "register_operand" "r")] UNSPECV_SET_FPCR)]
   ""
-  "msr\\tfpcr, %0\;isb"
+  "msr\\tfpcr, %0"
   [(set_attr "type" "mrs")])
 
 ;; Read Floating-point Control Register.