* combine.c (move_deaths): Compare LUIDs within the same BB only.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@148075 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c84f1a6..9992c73 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,9 @@
 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
 
+       * combine.c (move_deaths): Compare LUIDs within the same BB only.
+
+2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
+
        * common.opt (fdump-unnumbered-links): New.
        * doc/invoke.texi (-fdump-unnumbered-links): Document it.
        * print-rtl.c (flag_dump_unnumbered_links): New.

diff --git a/gcc/combine.c b/gcc/combine.c
index 7cdf396..0f8b087 100644 (file)
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -12144,6 +12144,7 @@ move_deaths (rtx x, rtx maybe_kill_insn, int from_luid, rtx to_insn,
        return;
 
       if (where_dead
+         && BLOCK_FOR_INSN (where_dead) == BLOCK_FOR_INSN (to_insn)
          && DF_INSN_LUID (where_dead) >= from_luid
          && DF_INSN_LUID (where_dead) < DF_INSN_LUID (to_insn))
        {