From: uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed, 10 Oct 2018 15:02:47 +0000 (+0000)
Subject: 	PR target/87573
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=d4b4a6c1918e182ba91f550848acac1b39f2b1b1;p=thirdparty%2Fgcc.git

	PR target/87573
	* config/i386/mmx.md (const_vector 0 -> mem splitter): New splitter.

testsuite/ChangeLog:

	PR target/87573
	* gcc.target/i386/pr87573.c: New test.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@265019 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ced143cacd67..b1f4d7f5eb79 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2018-10-10  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/87573
+	* config/i386/mmx.md (const_vector 0 -> mem splitter): New splitter.
+
 2018-10-10  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/87550
diff --git a/gcc/config/i386/mmx.md b/gcc/config/i386/mmx.md
index 539671ce4be5..e60b2296ab6b 100644
--- a/gcc/config/i386/mmx.md
+++ b/gcc/config/i386/mmx.md
@@ -217,7 +217,14 @@
 
 (define_split
   [(set (match_operand:MMXMODE 0 "nonimmediate_gr_operand")
-        (match_operand:MMXMODE 1 "general_gr_operand"))]
+        (match_operand:MMXMODE 1 "nonimmediate_gr_operand"))]
+  "!TARGET_64BIT && reload_completed"
+  [(const_int 0)]
+  "ix86_split_long_move (operands); DONE;")
+
+(define_split
+  [(set (match_operand:MMXMODE 0 "nonimmediate_gr_operand")
+        (match_operand:MMXMODE 1 "const0_operand"))]
   "!TARGET_64BIT && reload_completed"
   [(const_int 0)]
   "ix86_split_long_move (operands); DONE;")
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 82417134db04..9586d1e32677 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2018-10-10  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/87573
+	* gcc.target/i386/pr87573.c: New test.
+
 2018-10-10  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/87550
diff --git a/gcc/testsuite/gcc.target/i386/pr87573.c b/gcc/testsuite/gcc.target/i386/pr87573.c
new file mode 100644
index 000000000000..06ef4dccc08d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr87573.c
@@ -0,0 +1,12 @@
+/* PR target/87573 */
+/* { dg-do compile { target ia32 } } */
+/* { dg-options "-O1 -mmmx -mno-sse" } */
+
+typedef char __v8qi __attribute__((vector_size(8)));
+
+__v8qi e;
+
+void f (void)
+{
+  e = (__v8qi) {0, 0, 0, 0, 0, 0, 0, 0};
+}