re PR target/58066 (__tls_get_addr is called with misaligned stack on x86-64)

	PR target/58066
	* config/i386/i386.md (*tls_global_dynamic_64_<mode>): Depend on SP_REG.
	(*tls_local_dynamic_base_64_<mode>): Ditto.
	(*tls_local_dynamic_base_64_largepic): Ditto.
	(tls_global_dynamic_64_<mode>): Update expander pattern.
	(tls_local_dynamic_base_64_<mode>): Ditto.

From-SVN: r225829

gcc/ChangeLog

+2015-07-15  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/58066
+	* config/i386/i386.md (*tls_global_dynamic_64_<mode>): Depend on SP_REG.
+	(*tls_local_dynamic_base_64_<mode>): Ditto.
+	(*tls_local_dynamic_base_64_largepic): Ditto.
+	(tls_global_dynamic_64_<mode>): Update expander pattern.
+	(tls_local_dynamic_base_64_<mode>): Ditto.
+
 2015-07-15  Richard Biener  <rguenther@suse.de>
 
 	* fold-const.c (fold_binary_loc): Move bool_var != 0 -> bool_var

gcc/config/i386/i386.md

@@ -13158,7 +13158,8 @@
 	(call:P
 	 (mem:QI (match_operand 2 "constant_call_address_operand" "Bz"))
 	 (match_operand 3)))
-   (unspec:P [(match_operand 1 "tls_symbolic_operand")]
+   (unspec:P [(match_operand 1 "tls_symbolic_operand")
+	      (reg:P SP_REG)]
 	     UNSPEC_TLS_GD)]
   "TARGET_64BIT"
 {
@@ -13182,8 +13183,9 @@
 	 (mem:QI (plus:DI (match_operand:DI 2 "register_operand" "b")
 			  (match_operand:DI 3 "immediate_operand" "i")))
 	 (match_operand 4)))
-   (unspec:DI [(match_operand 1 "tls_symbolic_operand")]
-	     UNSPEC_TLS_GD)]
+   (unspec:DI [(match_operand 1 "tls_symbolic_operand")
+	       (reg:DI SP_REG)]
+	      UNSPEC_TLS_GD)]
   "TARGET_64BIT && ix86_cmodel == CM_LARGE_PIC && !TARGET_PECOFF
    && GET_CODE (operands[3]) == CONST
    && GET_CODE (XEXP (operands[3], 0)) == UNSPEC
@@ -13204,7 +13206,8 @@
 	  (call:P
 	   (mem:QI (match_operand 2))
 	   (const_int 0)))
-     (unspec:P [(match_operand 1 "tls_symbolic_operand")]
+     (unspec:P [(match_operand 1 "tls_symbolic_operand")
+		(reg:P SP_REG)]
 	       UNSPEC_TLS_GD)])]
   "TARGET_64BIT"
   "ix86_tls_descriptor_calls_expanded_in_cfun = true;")
@@ -13254,7 +13257,7 @@
 	(call:P
 	 (mem:QI (match_operand 1 "constant_call_address_operand" "Bz"))
 	 (match_operand 2)))
-   (unspec:P [(const_int 0)] UNSPEC_TLS_LD_BASE)]
+   (unspec:P [(reg:P SP_REG)] UNSPEC_TLS_LD_BASE)]
   "TARGET_64BIT"
 {
   output_asm_insn
@@ -13272,7 +13275,7 @@
 	 (mem:QI (plus:DI (match_operand:DI 1 "register_operand" "b")
 			  (match_operand:DI 2 "immediate_operand" "i")))
 	 (match_operand 3)))
-   (unspec:DI [(const_int 0)] UNSPEC_TLS_LD_BASE)]
+   (unspec:DI [(reg:DI SP_REG)] UNSPEC_TLS_LD_BASE)]
   "TARGET_64BIT && ix86_cmodel == CM_LARGE_PIC && !TARGET_PECOFF
    && GET_CODE (operands[2]) == CONST
    && GET_CODE (XEXP (operands[2], 0)) == UNSPEC
@@ -13293,7 +13296,7 @@
 	   (call:P
 	    (mem:QI (match_operand 1))
 	    (const_int 0)))
-      (unspec:P [(const_int 0)] UNSPEC_TLS_LD_BASE)])]
+      (unspec:P [(reg:P SP_REG)] UNSPEC_TLS_LD_BASE)])]
   "TARGET_64BIT"
   "ix86_tls_descriptor_calls_expanded_in_cfun = true;")