From: Jeffrey A Law <law@cygnus.com>
Date: Tue, 18 Aug 1998 17:13:12 +0000 (+0000)
Subject: regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p on notes.
X-Git-Tag: prereleases/egcs-1.1-prerelease~42
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2cdd969f5ea5eed7411c93cfadedd7e1562b95ec;p=thirdparty%2Fgcc.git

regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p on notes.

        * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
        on notes.
Fixes testsuite regression on the H8.

From-SVN: r21829
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0ce186be34d2..628d82648949 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -4,6 +4,9 @@ Tue Aug 18 13:05:59 BST 1998  Richard Earnshaw (rearnsha@arm.com)
 
 Tue Aug 18 10:32:11 1998  Jeffrey A Law  (law@cygnus.com)
 
+	* regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
+	on notes.
+
 	* regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
 	and REG_LIVE_LENGTH as successful substitutions are made.
 
diff --git a/gcc/regmove.c b/gcc/regmove.c
index 878655322482..ba78411bea8a 100644
--- a/gcc/regmove.c
+++ b/gcc/regmove.c
@@ -823,6 +823,8 @@ fixup_match_2 (insn, dst, src, offset, regmove_dump_file)
 			  && (NOTE_LINE_NUMBER (p) == NOTE_INSN_LOOP_BEG
 			      || NOTE_LINE_NUMBER (p) == NOTE_INSN_LOOP_END)))
 		    break;
+		  if (GET_RTX_CLASS (GET_CODE (p)) != 'i')
+		    continue;
 		  if (reg_overlap_mentioned_p (dst, PATTERN (p)))
 		    {
 		      if (try_auto_increment (p, insn, 0, dst, newconst, 0))