From 9a8d9b3f2422d4885e5c846dee66acf6336e6ccf Mon Sep 17 00:00:00 2001
From: Richard Sandiford <richard.sandiford@arm.com>
Date: Thu, 15 Aug 2019 08:25:47 +0000
Subject: [PATCH] [AArch64] Add a commutativity marker to the SVE [SU]ABD
 patterns

This will be tested by the ACLE patches, but it's really an
independent improvement.

2019-08-15  Richard Sandiford  <richard.sandiford@arm.com>

gcc/
	* config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Add
	a commutativity marker.

From-SVN: r274510
---
 gcc/ChangeLog                     | 5 +++++
 gcc/config/aarch64/aarch64-sve.md | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 66631f6b37c..d0eb9739108 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2019-08-15  Richard Sandiford  <richard.sandiford@arm.com>
+
+	* config/aarch64/aarch64-sve.md (aarch64_<su>abd<mode>_3): Add
+	a commutativity marker.
+
 2019-08-15  Richard Sandiford  <richard.sandiford@arm.com>
 	    Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>
 
diff --git a/gcc/config/aarch64/aarch64-sve.md b/gcc/config/aarch64/aarch64-sve.md
index 93f55360d69..cf9073167f4 100644
--- a/gcc/config/aarch64/aarch64-sve.md
+++ b/gcc/config/aarch64/aarch64-sve.md
@@ -2060,7 +2060,7 @@
 	  [(match_operand:<VPRED> 1 "register_operand" "Upl, Upl")
 	   (minus:SVE_I
 	     (USMAX:SVE_I
-	       (match_operand:SVE_I 2 "register_operand" "0, w")
+	       (match_operand:SVE_I 2 "register_operand" "%0, w")
 	       (match_operand:SVE_I 3 "register_operand" "w, w"))
 	     (<max_opp>:SVE_I
 	       (match_dup 2)