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authorsteven <steven@138bc75d-0d04-0410-961f-82ee72b054a4>2005-01-05 23:19:23 +0000
committersteven <steven@138bc75d-0d04-0410-961f-82ee72b054a4>2005-01-05 23:19:23 +0000
commit476d094d7713bdd77be9c7863518b69342c7a4b4 (patch)
tree8d81e917b2a1cc0618df0ec47f5dcced22b199dc /gcc/postreload-gcse.c
parent37e6be124c7dc5274014a63bdd8eeeb6057e6c43 (diff)
downloadgcc-476d094d7713bdd77be9c7863518b69342c7a4b4.tar.gz
* combine.c (expand_compound_operation) <ZERO_EXTRACT>: Add
comment that we fall through after case. (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST. (distribute_links): Likewise. * cse.c (cse_insn): Likewise. * cselib.c (cselib_invalidate_mem): Likewise. * df.c: Update comments at the top of the file. (read_modify_subreg_p): Update comments here too. (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST. * flow.c (mark_set_1): Likewise. (mark_used_regs): Likewise. * gcse.c (mems_conflict_for_gcse_p): Likewise. (canon_list_insert): Likewise. (mark_set): Likewise. (try_replace_reg): Likewise. (store_killed_in_insn): Likewise. * loop.c (count_one_set): Likewise. (basic_induction_var): Likewise. * postreload-gcse.c (find_mem_conflicts): Likewise. * postreload.c (reload_combine_note_store): Likewise. (move2add_note_store): Likewise. * reload.c (find_equiv_reg): Likewise. (mark_referenced_resources): Likewise. * rtlanal.c (set_noop_p): Likewise. (note_stores): Likewise. (note_uses): Likewise. * sched-deps.c (sched_analyze_1): Likewise. * sched-rgn.c (check_live_1): Likewise. (update_live_1): Likewise. * config/i860/i860.c: Likewise. * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as an lvalue. (ZERO_EXTRACT): Mention that this one can be an lvalue. * doc/rtl.texi: Update documentation for bit-fields and SET. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@92974 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/postreload-gcse.c')
-rw-r--r--gcc/postreload-gcse.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/gcc/postreload-gcse.c b/gcc/postreload-gcse.c
index 24c233caea3..70e60452fd0 100644
--- a/gcc/postreload-gcse.c
+++ b/gcc/postreload-gcse.c
@@ -570,7 +570,6 @@ find_mem_conflicts (rtx dest, rtx setter ATTRIBUTE_UNUSED,
while (GET_CODE (dest) == SUBREG
|| GET_CODE (dest) == ZERO_EXTRACT
- || GET_CODE (dest) == SIGN_EXTRACT
|| GET_CODE (dest) == STRICT_LOW_PART)
dest = XEXP (dest, 0);