lra-constraints.c (emit_spill_move): Use gen_lowpart_SUBREG in all cases to build a lowpart SUBREG.

* lra-constraints.c (emit_spill_move): Use gen_lowpart_SUBREG in all cases to build a lowpart SUBREG. From-SVN: r243222

lra-constraints.c (emit_spill_move): Use gen_lowpart_SUBREG in all cases to build a lowpart SUBREG.
* lra-constraints.c (emit_spill_move): Use gen_lowpart_SUBREG in all cases to build a lowpart SUBREG. From-SVN: r243222
54b84aa9 · Eric Botcazou · Eric Botcazou · 7c3cace1 · 54b84aa9 · 54b84aa9
Commit 54b84aa9 authored Dec 03, 2016 by Eric Botcazou Committed by Eric Botcazou Dec 03, 2016
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gcc/ChangeLog
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gcc/lra-constraints.c
+3 -3

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
 2016-12-03  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* lra-constraints.c (emit_spill_move): Use gen_lowpart_SUBREG in all
+	cases to build a lowpart SUBREG.
+
+2016-12-03  Eric Botcazou  <ebotcazou@adacore.com>
            David S. Miller  <davem@davemloft.net>

 	* config/sparc/constraints.md (U): Adjust comment.
--- a/gcc/lra-constraints.c
+++ b/gcc/lra-constraints.c
@@ -1109,9 +1109,9 @@ emit_spill_move (bool to_p, rtx mem_pseudo, rtx val)
 	 dependent macro HARD_REGNO_CALLER_SAVE_MODE.  */
      if (! MEM_P (val))
 	{
-	  val = gen_rtx_SUBREG (GET_MODE (mem_pseudo),
-				GET_CODE (val) == SUBREG ? SUBREG_REG (val) : val,
-				0);
+	  val = gen_lowpart_SUBREG (GET_MODE (mem_pseudo),
+				    GET_CODE (val) == SUBREG
+				    ? SUBREG_REG (val) : val);
 	  LRA_SUBREG_P (val) = 1;
 	}
      else