loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning forward from cont dominator.

* loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning forward from cont dominator. From-SVN: r24903

loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning forward from cont dominator.
* loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning forward from cont dominator. From-SVN: r24903
22b4cc65 · J"orn Rennecke · Joern Rennecke · aa1b0f8c · 22b4cc65 · 22b4cc65
Commit 22b4cc65 authored Jan 29, 1999 by J"orn Rennecke Committed by Joern Rennecke Jan 29, 1999
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gcc/ChangeLog
+5 -0

gcc/loop.c
+2 -3

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+Fri Jan 29 15:44:13 1999  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
+	forward from cont dominator.
+
 Fri Jan 29 07:10:27 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

 	* cccp.c (eprint_string): Constify a char*.

--- a/gcc/loop.c
+++ b/gcc/loop.c
@@ -4036,11 +4036,10 @@ strength_reduce (scan_start, end, loop_top, insn_count,
 		  && ! reg_used_between_p (giv, giv_insn, loop_end))
 		{
 		  rtx p;
+		  rtx next;

-		  for (;;)
+		  for (next = NEXT_INSN (dominator); ; next = NEXT_INSN (next))
 		    {
-		      rtx next = NEXT_INSN (dominator);
-
 		      if ((GET_RTX_CLASS (GET_CODE (next)) == 'i'
 			   && (reg_mentioned_p (giv, PATTERN (next))
 			       || reg_set_p (bl2->biv->src_reg, next)))