re PR target/79514 (ICE in curr_insn_transform, at lra-constraints.c:3773)

	PR target/79514
	* config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.

testsuite/ChangeLog:

	PR target/79514
	* gcc.target/i386/pr79514.c: New test.

From-SVN: r245844

gcc/ChangeLog

+2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/79514
+	* config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
+
 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
 
 	PR rtl-optimization/79780
@@ -2036,7 +2041,7 @@
 	scalar_stmt_cost and vec_stmt_cost.
 
 2017-02-01  Torvald Riegel  <triegel@redhat.com>
-            Richard Henderson  <rth@redhat.com>
+	    Richard Henderson  <rth@redhat.com>
 
 	* builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
 	conditional on existance of a fast atomic load.
@@ -2337,9 +2342,9 @@
 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
 
 	PR target/79239
-        * arm.c (arm_option_override): Don't call build_target_option_node
-        until after doing all option overrides.
-        (arm_valid_target_attribute_tree): Likewise.
+	* arm.c (arm_option_override): Don't call build_target_option_node
+	until after doing all option overrides.
+	(arm_valid_target_attribute_tree): Likewise.
 
 2017-01-27  Martin Liska  <mliska@suse.cz>
 

gcc/config/i386/i386.md

@@ -3015,6 +3015,36 @@
   operands[0] = replace_equiv_address (operands[0], stack_pointer_rtx);
 })
 
+(define_insn_and_split "*pushxf_rounded"
+  [(set (mem:XF
+	  (pre_modify:DI
+	    (reg:DI SP_REG)
+	    (plus:DI (reg:DI SP_REG) (const_int -16))))
+	(match_operand:XF 0 "nonmemory_no_elim_operand" "f,r,*r,C"))]
+  "TARGET_64BIT"
+  "#"
+  "&& 1"
+  [(set (reg:DI SP_REG) (plus:DI (reg:DI SP_REG) (const_int -16)))
+   (set (match_dup 1) (match_dup 0))]
+{
+  rtx pat = PATTERN (curr_insn);
+  operands[1] = SET_DEST (pat);
+
+  /* Preserve memory attributes. */
+  operands[1] = replace_equiv_address (operands[1], stack_pointer_rtx);
+}
+  [(set_attr "type" "multi")
+   (set_attr "unit" "i387,*,*,*")
+   (set (attr "mode")
+	(cond [(eq_attr "alternative" "1,2,3")
+		 (const_string "DI")
+	      ]
+	      (const_string "XF")))
+   (set (attr "preferred_for_size")
+     (cond [(eq_attr "alternative" "1")
+              (symbol_ref "false")]
+           (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"))]

gcc/testsuite/ChangeLog

+2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/79514
+	* gcc.target/i386/pr79514.c: New test.
+
 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
 
 	PR rtl-optimization/79780
@@ -1082,7 +1087,7 @@
 
 2017-02-02  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
 
-        * gcc.dg/sms-8.c: Update options for powerpc*-*-*.
+	* gcc.dg/sms-8.c: Update options for powerpc*-*-*.
 
 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
 

gcc/testsuite/gcc.target/i386/pr79514.c

+/* PR target/79514 */
+/* { dg-do compile } */
+/* { dg-options "-m96bit-long-double" } */
+
+extern void bar (long double);
+
+extern long double x;
+
+void foo (void)
+{
+  bar (x);
+}