+2003-08-05 Josef Zlomek <zlomekj@suse.cz>
+
+ * gcse.c (try_replace_reg): Fix updating of note.
+
2003-08-04 Roger Sayle <roger@eyesopen.com>
PR middle-end/11771
validate_change (insn, &SET_SRC (set), src, 0);
}
+ /* If there is already a NOTE, update the expression in it with our
+ replacement. */
+ if (note != 0)
+ XEXP (note, 0) = simplify_replace_rtx (XEXP (note, 0), from, to);
+
if (!success && set && reg_mentioned_p (from, SET_SRC (set)))
{
/* If above failed and this is a single set, try to simplify the source of
note = set_unique_reg_note (insn, REG_EQUAL, copy_rtx (src));
}
- /* If there is already a NOTE, update the expression in it with our
- replacement. */
- else if (note != 0)
- XEXP (note, 0) = simplify_replace_rtx (XEXP (note, 0), from, to);
-
/* REG_EQUAL may get simplified into register.
We don't allow that. Remove that note. This code ought
not to happen, because previous code ought to synthesize