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 0ce186be34d2ea06c7c99099c819bfb83c4a3d37..628d82648949aa49fedc2e64bfb88bd8fed5c33c 100644 (file)
--- 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 878655322482f1fbceda497834122d66752fe263..ba78411bea8a75a41d731ba94a74ed3fcaed9d4c 100644 (file)
--- 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))