loop.c (count_one_set): Fix detection of registers set in more than one basic block.

* loop.c (count_one_set): Fix detection of registers set in more than one basic block. From-SVN: r68680

loop.c (count_one_set): Fix detection of registers set in more than one basic block.
* loop.c (count_one_set): Fix detection of registers set in more than one basic block. From-SVN: r68680
51a7f205 · Zdenek Dvorak · Zdenek Dvorak · 4a023207 · 51a7f205 · 51a7f205
Commit 51a7f205 authored Jun 29, 2003 by Zdenek Dvorak Committed by Zdenek Dvorak Jun 29, 2003
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gcc/loop.c
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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2003-06-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
+
+	* loop.c (count_one_set): Fix detection of registers set in more
+	than one basic block.	
+
 2003-06-29  Andreas Jaeger  <aj@suse.de>

 	* target-def.h: Remove usage of OBJECT_FORMAT_ROSE.

--- a/gcc/loop.c
+++ b/gcc/loop.c
@@ -3617,7 +3617,7 @@ count_one_set (regs, insn, x, last_set)
 		 it must be set in two basic blocks, so it cannot
 		 be moved out of the loop.  */
 	      if (regs->array[regno].set_in_loop > 0
-		  && last_set == 0)
+		  && last_set[regno] == 0)
 		regs->array[regno+i].may_not_optimize = 1;
 	      /* If this is not first setting in current basic block,
 		 see if reg was used in between previous one and this.