diff -rupN gcc-4.9-20150225/gcc/ChangeLog gcc-4.9-20150225.pr64304//gcc/ChangeLog
--- gcc-4.9-20150225/gcc/ChangeLog	2015-03-04 20:48:30.000000000 -0500
+++ gcc-4.9-20150225.pr64304//gcc/ChangeLog	2015-03-04 20:55:59.000000000 -0500
@@ -1,3 +1,13 @@
+2015-03-05  Shanyao Chen  <chenshanyao@huawei.com>
+
+	Backported from mainline
+	2015-01-19  Jiong Wang  <jiong.wang@arm.com>
+		    Andrew Pinski  <apinski@cavium.com>
+
+	PR target/64304
+	* config/aarch64/aarch64.md (define_insn "*ashl<mode>3_insn"): Deleted.
+	(ashl<mode>3): Don't expand if operands[2] is not constant.
+
 2015-02-25  Kai Tietz  <ktietz@redhat.com>
 
 	PR tree-optimization/61917
diff -rupN gcc-4.9-20150225/gcc/config/aarch64/aarch64.md gcc-4.9-20150225.pr64304//gcc/config/aarch64/aarch64.md
--- gcc-4.9-20150225/gcc/config/aarch64/aarch64.md	2015-03-04 20:41:03.000000000 -0500
+++ gcc-4.9-20150225.pr64304//gcc/config/aarch64/aarch64.md	2015-03-04 20:46:44.000000000 -0500
@@ -2719,6 +2719,8 @@
 	    DONE;
           }
       }
+    else
+      FAIL;
   }
 )
 
@@ -2947,15 +2949,6 @@
   [(set_attr "type" "shift_reg")]
 )
 
-(define_insn "*ashl<mode>3_insn"
-  [(set (match_operand:SHORT 0 "register_operand" "=r")
-	(ashift:SHORT (match_operand:SHORT 1 "register_operand" "r")
-		      (match_operand:QI 2 "aarch64_reg_or_shift_imm_si" "rUss")))]
-  ""
-  "lsl\\t%<w>0, %<w>1, %<w>2"
-  [(set_attr "type" "shift_reg")]
-)
-
 (define_insn "*<optab><mode>3_insn"
   [(set (match_operand:SHORT 0 "register_operand" "=r")
 	(ASHIFT:SHORT (match_operand:SHORT 1 "register_operand" "r")
diff -rupN gcc-4.9-20150225/gcc/testsuite/ChangeLog gcc-4.9-20150225.pr64304//gcc/testsuite/ChangeLog
--- gcc-4.9-20150225/gcc/testsuite/ChangeLog	2015-03-04 21:00:24.000000000 -0500
+++ gcc-4.9-20150225.pr64304//gcc/testsuite/ChangeLog	2015-03-04 21:03:21.000000000 -0500
@@ -1,3 +1,10 @@
+2015-03-05  Shanyao chen  <chenshanyao@huawei.com>
+
+	Backported from mainline
+	2015-01-19  Jiong Wang  <jiong.wang@arm.com>
+
+	* gcc.target/aarch64/pr64304.c: New testcase.
+
 2015-02-25  Kai Tietz  <ktietz@redhat.com>
 
 	Backported from mainline
diff -rupN gcc-4.9-20150225/gcc/testsuite/gcc.target/aarch64/pr64304.c gcc-4.9-20150225.pr64304//gcc/testsuite/gcc.target/aarch64/pr64304.c
--- gcc-4.9-20150225/gcc/testsuite/gcc.target/aarch64/pr64304.c	1969-12-31 19:00:00.000000000 -0500
+++ gcc-4.9-20150225.pr64304//gcc/testsuite/gcc.target/aarch64/pr64304.c	2015-03-04 20:59:24.000000000 -0500
@@ -0,0 +1,18 @@
+/* { dg-do compile } */ 
+/* { dg-options "-O2 --save-temps" } */ 
+ 
+unsigned char byte = 0; 
+  
+void 
+set_bit (unsigned int bit, unsigned char value) 
+{ 
+  unsigned char mask = (unsigned char) (1 << (bit & 7)); 
+ 
+  if (! value) 
+    byte &= (unsigned char)~mask; 
+  else 
+    byte |= mask; 
+    /* { dg-final { scan-assembler "and\tw\[0-9\]+, w\[0-9\]+, 7" } } */ 
+} 
+  
+/* { dg-final { cleanup-saved-temps } } */