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| author | Alexandre Oliva <aoliva@redhat.com> | 2003-04-17 01:07:12 +0000 |
|---|---|---|
| committer | Alexandre Oliva <aoliva@gcc.gnu.org> | 2003-04-17 01:07:12 +0000 |
| commit | 60fa6660d8c9099c8e4b5f1cb08cc0190952ca4e (patch) | |
| tree | 734df64947b1d93b8aba3d34f7bad616eb0950ba /gcc/cselib.h | |
| parent | e34d367d2d352f944ef2df4beea0e39e5ede02ce (diff) | |
| download | gcc-60fa6660d8c9099c8e4b5f1cb08cc0190952ca4e.tar.gz | |
reload1.c (reload_cse_noop_set_p): Return false if mode of SET_DEST is not the same as that returned by...
* reload1.c (reload_cse_noop_set_p): Return false if mode of
SET_DEST is not the same as that returned by...
* cselib.h (cselib_reg_set_mode): ... new function.
* cselib.c (cselib_reg_set_mode): Define it.
(REG_VALUES): Document semantics of first element as set mode.
(cselib_subst_to_values): Skip first element if ELT is NULL.
(cselib_lookup): Likewise. Insert past the first element.
(cselib_invalidate_regno): NULLify first element.
(cselib_record_set): Set first element.
From-SVN: r65713
Diffstat (limited to 'gcc/cselib.h')
| -rw-r--r-- | gcc/cselib.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/cselib.h b/gcc/cselib.h index 9cceddbfcbc..073384d85ab 100644 --- a/gcc/cselib.h +++ b/gcc/cselib.h @@ -1,6 +1,6 @@ /* Common subexpression elimination for GNU compiler. Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, - 1999 Free Software Foundation, Inc. + 1999, 2003 Free Software Foundation, Inc. This file is part of GCC. @@ -67,6 +67,7 @@ extern void cselib_update_varray_sizes PARAMS ((void)); extern void cselib_init PARAMS ((void)); extern void cselib_finish PARAMS ((void)); extern void cselib_process_insn PARAMS ((rtx)); +extern enum machine_mode cselib_reg_set_mode PARAMS ((rtx)); extern int rtx_equal_for_cselib_p PARAMS ((rtx, rtx)); extern int references_value_p PARAMS ((rtx, int)); extern rtx cselib_subst_to_values PARAMS ((rtx)); |