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| author | Seongbae Park <seongbae.park@gmail.com> | 2007-06-12 01:11:03 +0000 |
|---|---|---|
| committer | Seongbae Park <spark@gcc.gnu.org> | 2007-06-12 01:11:03 +0000 |
| commit | 46cc214143093bae401dd148b00b6d0330b7af4b (patch) | |
| tree | 0932cf88fd441dcf5a8e84a89c9bb0e64d67c9cf /gcc | |
| parent | b1db1d9b261fdefef230b71ccb14a76c7024882b (diff) | |
| download | gcc-46cc214143093bae401dd148b00b6d0330b7af4b.zip gcc-46cc214143093bae401dd148b00b6d0330b7af4b.tar.gz gcc-46cc214143093bae401dd148b00b6d0330b7af4b.tar.bz2 | |
combine.c (subst): Use reg_overlap_mentioned_p instead of comparing register numbers directly.
2007-06-11 Seongbae Park <seongbae.park@gmail.com>
* combine.c (subst): Use reg_overlap_mentioned_p
instead of comparing register numbers directly.
From-SVN: r125634
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/combine.c | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0eba7aa..d9887cf 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2007-06-11 Seongbae Park <seongbae.park@gmail.com> + + * combine.c (subst): Use reg_overlap_mentioned_p + instead of comparing register numbers directly. + 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com> * reload1.c (mark_home_live_1): Use the mode parameter. diff --git a/gcc/combine.c b/gcc/combine.c index 6077e78..e44bad9 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -4237,7 +4237,7 @@ subst (rtx x, rtx from, rtx to, int in_dest, int unique_copy) So force this insn not to match in this (rare) case. */ if (! in_dest && code == REG && REG_P (from) - && REGNO (x) == REGNO (from)) + && reg_ovelap_mentioned_p (x, from)) return gen_rtx_CLOBBER (GET_MODE (x), const0_rtx); /* If this is an object, we are done unless it is a MEM or LO_SUM, both |