re PR middle-end/67401 (Incorrect expand of __atomic_compare_exchange_8 using…

re PR middle-end/67401 (Incorrect expand of __atomic_compare_exchange_8 using __sync_val_compare_and_swap_8) PR middle-end/67401 * optabs.c (expand_atomic_compare_and_swap): Move result of emitting sync_compare_and_swap_optab libcall to target_oval. From-SVN: r227746

re PR middle-end/67401 (Incorrect expand of __atomic_compare_exchange_8 using…
re PR middle-end/67401 (Incorrect expand of __atomic_compare_exchange_8 using __sync_val_compare_and_swap_8) PR middle-end/67401 * optabs.c (expand_atomic_compare_and_swap): Move result of emitting sync_compare_and_swap_optab libcall to target_oval. From-SVN: r227746
641f1ab4 · John David Anglin · aa9f4b4c · 641f1ab4 · 641f1ab4
Commit 641f1ab4 authored Sep 14, 2015 by John David Anglin
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gcc/ChangeLog
+6 -0

gcc/optabs.c
+4 -3

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2015-09-14  John David Anglin  <danglin@gcc.gnu.org>
+
+	PR middle-end/67401
+	* optabs.c (expand_atomic_compare_and_swap): Move result of emitting
+	sync_compare_and_swap_optab libcall to target_oval.
+
 2015-09-14  Marek Polacek  <polacek@redhat.com>

 	* rtlanal.c (split_double): Cast to unsigned when shifting a negative

--- a/gcc/optabs.c
+++ b/gcc/optabs.c
@@ -7521,9 +7521,10 @@ expand_atomic_compare_and_swap (rtx *ptarget_bool, rtx *ptarget_oval,
  if (libfunc != NULL)
    {
      rtx addr = convert_memory_address (ptr_mode, XEXP (mem, 0));
-      target_oval = emit_library_call_value (libfunc, NULL_RTX, LCT_NORMAL,
-					     mode, 3, addr, ptr_mode,
-					     expected, mode, desired, mode);
+      rtx target = emit_library_call_value (libfunc, NULL_RTX, LCT_NORMAL,
+					    mode, 3, addr, ptr_mode,
+					    expected, mode, desired, mode);
+      emit_move_insn (target_oval, target);

      /* Compute the boolean return value only if requested.  */
      if (ptarget_bool)