2007-03-21 Seongbae Park <seongbae.park@gmail.com>
* regmove.c (regmove_optimize): Use reg_mentioned_p
instead of reg_overlap_mentioned_p for DST.
From-SVN: r123124
+2007-03-21 Seongbae Park <seongbae.park@gmail.com>
+
+ * regmove.c (regmove_optimize): Use reg_mentioned_p
+ instead of reg_overlap_mentioned_p for DST.
+
2007-03-21 Mike Stump <mrs@apple.com>
* c.opt: Fixup for Objective-C/C++.
2007-03-21 Mike Stump <mrs@apple.com>
* c.opt: Fixup for Objective-C/C++.
+ /* We can't make this change if SRC is read or
+ partially written in P, since we are going to
+ eliminate SRC. We can't make this change
+ if DST is mentioned at all in P,
+ since we are going to change its value. */
if (reg_overlap_mentioned_p (src, PATTERN (p))
if (reg_overlap_mentioned_p (src, PATTERN (p))
- || reg_overlap_mentioned_p (dst, PATTERN (p)))
+ || reg_mentioned_p (dst, PATTERN (p)))
break;
/* If we have passed a call instruction, and the
break;
/* If we have passed a call instruction, and the