i386.md (*pushtf): Change *roF constraint to *roC.

	* config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
	(*pushxf): Limit oF constraint to 32bit targets and add oC
	constraint for 64bit targets.
	(pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
	(*pushdf): Change rmF constraint to rmC.

From-SVN: r245876

gcc/ChangeLog

+2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
+
+	* config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
+	(*pushxf): Limit oF constraint to 32bit targets and add oC
+	constraint for 64bit targets.
+	(pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
+	(*pushdf): Change rmF constraint to rmC.
+
 2017-03-03  Martin Liska  <mliska@suse.cz>
 
 	* tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):

gcc/config/i386/i386.md

@@ -2992,7 +2992,7 @@
 
 (define_insn "*pushtf"
   [(set (match_operand:TF 0 "push_operand" "=<,<")
-	(match_operand:TF 1 "general_no_elim_operand" "v,*roF"))]
+	(match_operand:TF 1 "general_no_elim_operand" "v,*roC"))]
   "TARGET_64BIT || TARGET_SSE"
 {
   /* This insn should be already split before reg-stack.  */
@@ -3046,17 +3046,18 @@
            (symbol_ref "true")))])
 
 (define_insn "*pushxf"
-  [(set (match_operand:XF 0 "push_operand" "=<,<,<,<")
-	(match_operand:XF 1 "general_no_elim_operand" "f,r,*r,oF"))]
+  [(set (match_operand:XF 0 "push_operand" "=<,<,<,<,<")
+	(match_operand:XF 1 "general_no_elim_operand" "f,r,*r,oF,oC"))]
   ""
 {
   /* This insn should be already split before reg-stack.  */
   gcc_unreachable ();
 }
-  [(set_attr "type" "multi")
-   (set_attr "unit" "i387,*,*,*")
+  [(set_attr "isa" "*,*,*,nox64,x64")
+   (set_attr "type" "multi")
+   (set_attr "unit" "i387,*,*,*,*")
    (set (attr "mode")
-	(cond [(eq_attr "alternative" "1,2,3")
+	(cond [(eq_attr "alternative" "1,2,3,4")
 		 (if_then_else (match_test "TARGET_64BIT")
 		   (const_string "DI")
 		   (const_string "SI"))
@@ -3075,14 +3076,14 @@
   [(set (reg:P SP_REG) (plus:P (reg:P SP_REG) (match_dup 2)))
    (set (match_dup 0) (match_dup 1))]
 {
-  operands[2] = GEN_INT (-GET_MODE_SIZE (XFmode));
+  operands[2] = GEN_INT (-PUSH_ROUNDING (GET_MODE_SIZE (XFmode)));
   /* Preserve memory attributes. */
   operands[0] = replace_equiv_address (operands[0], stack_pointer_rtx);
 })
 
 (define_insn "*pushdf"
   [(set (match_operand:DF 0 "push_operand" "=<,<,<,<,<,<")
-	(match_operand:DF 1 "general_no_elim_operand" "f,r,*r,oF,rmF,x"))]
+	(match_operand:DF 1 "general_no_elim_operand" "f,r,*r,oF,rmC,x"))]
   ""
 {
   /* This insn should be already split before reg-stack.  */