From: Jakub Jelinek <jakub@redhat.com>
Date: Fri, 22 Jun 2018 21:10:59 +0000 (+0200)
Subject: backport: re PR target/85430 (ICE: SIGSEGV in memory_operand at recog.c:1358/9 with... 
X-Git-Tag: releases/gcc-7.4.0~335
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=837e188b6b51667acb83cb4a9f47c1f1b8e0004d;p=thirdparty%2Fgcc.git

backport: re PR target/85430 (ICE: SIGSEGV in memory_operand at recog.c:1358/9 with -O2 -fno-tree-ccp -fno-tree-fre)

	Backported from mainline
	2018-04-17  Jakub Jelinek  <jakub@redhat.com>

	PR target/85430
	* config/i386/i386.md (*ashlqi3_1_slp): Use alu1 type instead of alu.

	* gcc.dg/pr85430.c: New test.

From-SVN: r261954
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2850fa03bfe8..52232caf7a14 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,6 +1,11 @@
 2018-06-22  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from mainline
+	2018-04-17  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/85430
+	* config/i386/i386.md (*ashlqi3_1_slp): Use alu1 type instead of alu.
+
 	2018-04-10  Jakub Jelinek  <jakub@redhat.com>
 
 	PR rtl-optimization/85300
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 5d0cd5311b7c..8469cf02510c 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -9973,7 +9973,7 @@
 {
   switch (get_attr_type (insn))
     {
-    case TYPE_ALU:
+    case TYPE_ALU1:
       gcc_assert (operands[1] == const1_rtx);
       return "add{b}\t%0, %0";
 
@@ -9989,12 +9989,12 @@
      (cond [(and (and (match_test "TARGET_DOUBLE_WITH_ADD")
 		      (match_operand 0 "register_operand"))
 		 (match_operand 1 "const1_operand"))
-	      (const_string "alu")
+	      (const_string "alu1")
 	   ]
 	   (const_string "ishift1")))
    (set (attr "length_immediate")
      (if_then_else
-       (ior (eq_attr "type" "alu")
+       (ior (eq_attr "type" "alu1")
 	    (and (eq_attr "type" "ishift1")
 		 (and (match_operand 1 "const1_operand")
 		      (ior (match_test "TARGET_SHIFT1")
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 27f70405941e..554465f0d78d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,6 +1,11 @@
 2018-06-22  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from mainline
+	2018-04-17  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/85430
+	* gcc.dg/pr85430.c: New test.
+
 	2018-04-10  Jakub Jelinek  <jakub@redhat.com>
 
 	PR rtl-optimization/85300
diff --git a/gcc/testsuite/gcc.dg/pr85430.c b/gcc/testsuite/gcc.dg/pr85430.c
new file mode 100644
index 000000000000..7b58a3cd5674
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr85430.c
@@ -0,0 +1,12 @@
+/* PR target/85430 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fno-tree-ccp -fno-tree-fre" } */
+
+typedef char V __attribute__((vector_size (4)));
+
+V
+foo (V v)
+{
+  v[(V){}[0]] <<= 1;
+  return v;
+}