[AARCH64]Fix TLS local exec model addressing code generation inconsistency.

gcc/

	* config/aarch64/aarch64.c (aarch64_load_symref_appropriately): Correct
	the comment.
	* config/aarch64/aarch64.md * (tlsle_small_<mode>): Add left shift
	12-bit for higher part.

From-SVN: r220116

gcc/ChangeLog

+2015-01-26  Renlin Li  <renlin.li@arm.com>
+
+	* config/aarch64/aarch64.c (aarch64_load_symref_appropriately): Correct
+	the comment.
+	* config/aarch64/aarch64.md (tlsle_small_<mode>): Add left shift 12-bit
+	for higher part.
+
 2015-01-26  Richard Biener  <rguenther@suse.de>
 
 	PR middle-end/64764

gcc/config/aarch64/aarch64.c

@@ -818,8 +818,8 @@ tls_symbolic_operand_type (rtx addr)
 
    Local Exec:
    mrs  tp, tpidr_el0
-   add  t0, tp, #:tprel_hi12:imm
-   add  t0, #:tprel_lo12_nc:imm
+   add  t0, tp, #:tprel_hi12:imm, lsl #12
+   add  t0, t0, #:tprel_lo12_nc:imm
 */
 
 static void

gcc/config/aarch64/aarch64.md

@@ -4224,7 +4224,7 @@
                    (match_operand 2 "aarch64_tls_le_symref" "S")]
 		   UNSPEC_GOTSMALLTLS))]
   ""
-  "add\\t%<w>0, %<w>1, #%G2\;add\\t%<w>0, %<w>0, #%L2"
+  "add\\t%<w>0, %<w>1, #%G2, lsl #12\;add\\t%<w>0, %<w>0, #%L2"
   [(set_attr "type" "alu_sreg")
    (set_attr "length" "8")]
 )