From: rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 23 Sep 2019 09:24:03 +0000 (+0000)
Subject: [AArch64] Fix memmodel index in aarch64_store_exclusive_pair
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ec0eb5c4db186d3e85b8c211d8f2efaeb087203a;p=thirdparty%2Fgcc.git

[AArch64] Fix memmodel index in aarch64_store_exclusive_pair

Found via an rtx checking failure.

2019-09-23  Richard Sandiford  <richard.sandiford@arm.com>

gcc/
	* config/aarch64/atomics.md (aarch64_store_exclusive_pair): Fix
	memmodel index.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@276052 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index de8f50ef19b3..79b331a2ad34 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2019-09-23  Richard Sandiford  <richard.sandiford@arm.com>
+
+	* config/aarch64/atomics.md (aarch64_store_exclusive_pair): Fix
+	memmodel index.
+
 2019-09-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	PR ipa/91835
diff --git a/gcc/config/aarch64/atomics.md b/gcc/config/aarch64/atomics.md
index 2e59b8684201..411172119a27 100644
--- a/gcc/config/aarch64/atomics.md
+++ b/gcc/config/aarch64/atomics.md
@@ -752,7 +752,7 @@
 	  UNSPECV_SX))]
   ""
   {
-    enum memmodel model = memmodel_from_int (INTVAL (operands[3]));
+    enum memmodel model = memmodel_from_int (INTVAL (operands[4]));
     if (is_mm_relaxed (model) || is_mm_consume (model) || is_mm_acquire (model))
       return "stxp\t%w0, %x2, %x3, %1";
     else