From 60fa6660d8c9099c8e4b5f1cb08cc0190952ca4e Mon Sep 17 00:00:00 2001 From: Alexandre Oliva Date: Thu, 17 Apr 2003 01:07:12 +0000 Subject: 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 --- gcc/reload1.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'gcc/reload1.c') diff --git a/gcc/reload1.c b/gcc/reload1.c index a6e41dd..54d163e 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -8025,6 +8025,9 @@ static int reload_cse_noop_set_p (set) rtx set; { + if (cselib_reg_set_mode (SET_DEST (set)) != GET_MODE (SET_DEST (set))) + return 0; + return rtx_equal_for_cselib_p (SET_DEST (set), SET_SRC (set)); } -- cgit v1.1