stormy16.c (stormy16_output_shift): Don't look at 'temp' if we won't be using it.

* config/stormy16/stormy16.c (stormy16_output_shift): Don't look at 'temp' if we won't be using it. From-SVN: r46765

stormy16.c (stormy16_output_shift): Don't look at 'temp' if we won't be using it.
* config/stormy16/stormy16.c (stormy16_output_shift): Don't look at 'temp' if we won't be using it. From-SVN: r46765
5766e0ef · Geoffrey Keating · Geoffrey Keating · 3fdb2f71 · 5766e0ef · 5766e0ef
Commit 5766e0ef authored Nov 04, 2001 by Geoffrey Keating Committed by Geoffrey Keating Nov 04, 2001
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gcc/ChangeLog
+3 -0

gcc/config/stormy16/stormy16.c
+1 -1

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
 2001-11-03  Geoffrey Keating  <geoffk@redhat.com>

+	* config/stormy16/stormy16.c (stormy16_output_shift): Don't
+	look at 'temp' if we won't be using it.
+
 	* config/stormy16/stormy16.h (CONST_COSTS): Define.
 	(RTX_COSTS): Define.
 	(ADDRESS_COST): Define.

--- a/gcc/config/stormy16/stormy16.c
+++ b/gcc/config/stormy16/stormy16.c
@@ -1863,7 +1863,6 @@ stormy16_output_shift (mode, code, x, size_r, temp)

  r0 = reg_names [REGNO (x)];
  r1 = reg_names [REGNO (x) + 1];
-  rt = reg_names [REGNO (temp)];

  /* For shifts of size 1, we can use the rotate instructions.  */
  if (size == 1)
@@ -1928,6 +1927,7 @@ stormy16_output_shift (mode, code, x, size_r, temp)

  /* For the rest, we have to do more work.  In particular, we
     need a temporary.  */
+  rt = reg_names [REGNO (temp)];
  switch (code)
    {
    case ASHIFT: