From: Eric Botcazou <ebotcazou@adacore.com>
Date: Fri, 25 Apr 2014 10:47:44 +0000 (+0000)
Subject: re PR target/60941 (miscompilation of firefox javascript interpreter)
X-Git-Tag: releases/gcc-4.7.4~129
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7ecf72e57bbfdec3151421465303864f2640c74c;p=thirdparty%2Fgcc.git

re PR target/60941 (miscompilation of firefox javascript interpreter)

	PR target/60941
	* config/sparc/sparc.md (ashlsi3_extend): Delete.

From-SVN: r209793
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 153f6ab7ce57..a5390e67db0e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2014-04-25  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR target/60941
+	* config/sparc/sparc.md (ashlsi3_extend): Delete.
+
 2014-04-23  Uros Bizjak  <ubizjak@gmail.com>
 
 	Backport from mainline
diff --git a/gcc/config/sparc/sparc.md b/gcc/config/sparc/sparc.md
index 8a1bab06f766..3663b3507a0f 100644
--- a/gcc/config/sparc/sparc.md
+++ b/gcc/config/sparc/sparc.md
@@ -5607,19 +5607,6 @@
 }
   [(set_attr "type" "shift")])
 
-(define_insn "*ashlsi3_extend"
-  [(set (match_operand:DI 0 "register_operand" "=r")
-	(zero_extend:DI
-	  (ashift:SI (match_operand:SI 1 "register_operand" "r")
-		     (match_operand:SI 2 "arith_operand" "rI"))))]
-  "TARGET_ARCH64"
-{
-  if (GET_CODE (operands[2]) == CONST_INT)
-    operands[2] = GEN_INT (INTVAL (operands[2]) & 0x1f);
-  return "sll\t%1, %2, %0";
-}
-  [(set_attr "type" "shift")])
-
 (define_expand "ashldi3"
   [(set (match_operand:DI 0 "register_operand" "=r")
 	(ashift:DI (match_operand:DI 1 "register_operand" "r")
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index e9fea1040ce6..e58454589f0a 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2014-04-25  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gcc.c-torture/execute/20140425-1.c: New test.
+
 2014-04-23  Uros Bizjak  <ubizjak@gmail.com>
 
 	Backport from mainline
diff --git a/gcc/testsuite/gcc.c-torture/execute/20140425-1.c b/gcc/testsuite/gcc.c-torture/execute/20140425-1.c
new file mode 100644
index 000000000000..c447ef95b6c1
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/20140425-1.c
@@ -0,0 +1,23 @@
+/* PR target/60941 */
+/* Reported by Martin Husemann <martin@netbsd.org> */
+
+extern void abort (void);
+
+static void __attribute__((noinline))
+set (unsigned long *l)
+{
+  *l = 31;
+}
+
+int main (void)
+{
+  unsigned long l;
+  int i;
+
+  set (&l);
+  i = (int) l;
+  l = (unsigned long)(2U << i);
+  if (l != 0)
+    abort ();
+  return 0;
+}