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| author | Michael Hayes <mhayes@redhat.com> | 2001-01-07 09:59:09 +0000 |
|---|---|---|
| committer | Michael Hayes <m.hayes@gcc.gnu.org> | 2001-01-07 09:59:09 +0000 |
| commit | 30a1181af5180982e83635b29c4bca55eae25bad (patch) | |
| tree | e21b5f81bfa8ab46674cee071be9be319f47bf83 | |
| parent | cabf38914c6f95b661531b8a5544c894fd2e1260 (diff) | |
| download | gcc-30a1181af5180982e83635b29c4bca55eae25bad.zip gcc-30a1181af5180982e83635b29c4bca55eae25bad.tar.gz gcc-30a1181af5180982e83635b29c4bca55eae25bad.tar.bz2 | |
* loop.c (emit_iv_add_mult): Use single_set to examine new insn.
From-SVN: r38764
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/loop.c | 9 |
2 files changed, 10 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7a1df4c..47a4b82 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2001-01-07 Michael Hayes <mhayes@redhat.com> + + * loop.c (emit_iv_add_mult): Use single_set to examine new insn. + 2001-01-07 Richard Henderson <rth@redhat.com> * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change. @@ -6904,9 +6904,12 @@ emit_iv_add_mult (b, m, a, reg, insert_before) record_base_value (REGNO (SET_DEST (set)), SET_SRC (set), 0); } } - else if (GET_CODE (seq) == SET - && GET_CODE (SET_DEST (seq)) == REG) - record_base_value (REGNO (SET_DEST (seq)), SET_SRC (seq), 0); + else + { + rtx set = single_set (seq); + if (set && GET_CODE (SET_DEST (set)) == REG) + record_base_value (REGNO (SET_DEST (set)), SET_SRC (set), 0); + } } /* Similar to emit_iv_add_mult, but compute cost rather than emitting |