From: Andi Kleen <ak@linux.intel.com>
Date: Fri, 16 Nov 2018 15:46:31 +0000 (+0000)
Subject: Allow memory operands for PTWRITE
X-Git-Tag: basepoints/gcc-10~2985
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=81292845971e30311b241bf63462f9bf8bfb23ad;p=thirdparty%2Fgcc.git

Allow memory operands for PTWRITE

The earlier PTWRITE builtin definition was unnecessarily restrictive,
only allowing register input to PTWRITE. The instruction actually
supports memory operands too, so allow that too.

gcc/:

2018-11-16  Andi Kleen  <ak@linux.intel.com>

	* config/i386/i386.md: Allow memory operands to ptwrite.

From-SVN: r266211
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 07cdcc75bd86..d842ae9fd9ae 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2018-11-16  Andi Kleen  <ak@linux.intel.com>
+
+	* config/i386/i386.md: Allow memory operands to ptwrite.
+
 2018-11-16  Michael Matz  <matz@suse.de>
 
 	* system.h (PRsa): New macro.
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 44db8ac954cf..9c359c0ca043 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -19501,7 +19501,7 @@
    (set_attr "prefix_extra" "2")])
 
 (define_insn "ptwrite<mode>"
-  [(unspec_volatile [(match_operand:SWI48 0 "register_operand" "r")]
+  [(unspec_volatile [(match_operand:SWI48 0 "nonimmediate_operand" "rm")]
 		    UNSPECV_PTWRITE)]
   "TARGET_PTWRITE"
   "ptwrite\t%0"