14 char length.
* configure: Rebuild.
-Sun Nov 2 23:21:36 1997 Richard Henderson <rth@cygnus.com>
- Jim Wilson <wilson@cygnus.com>
-
- * combine.c (try_combine): Don't elim_i1 when it is used in i2src.
-
- * combine.c (try_combine): When setting elim_i2, check whether newi2pat
- sets i2dest. When calling distribute_notes for i3dest_killed, pass
- elim_i2 and elim_i1.
-
Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
* i386/sco5.h: enable -gstabs once again.
rtx i2pat;
/* Indicates if I2DEST or I1DEST is in I2SRC or I1_SRC. */
int i2dest_in_i2src = 0, i1dest_in_i1src = 0, i2dest_in_i1src = 0;
- int i1dest_in_i2src = 0;
int i1_feeds_i3 = 0;
/* Notes that must be added to REG_NOTES in I3 and I2. */
rtx new_i3_notes, new_i2_notes;
i2dest_in_i2src = reg_overlap_mentioned_p (i2dest, i2src);
i1dest_in_i1src = i1 && reg_overlap_mentioned_p (i1dest, i1src);
i2dest_in_i1src = i1 && reg_overlap_mentioned_p (i2dest, i1src);
- i1dest_in_i2src = i1 && reg_overlap_mentioned_p (i1dest, i2src);
/* See if I1 directly feeds into I3. It does if I1DEST is not used
in I2SRC. */
rtx i3links, i2links, i1links = 0;
rtx midnotes = 0;
register int regno;
- /* Compute which registers we expect to eliminate. newi2pat may be setting
- either i3dest or i2dest, so we must check it. */
- rtx elim_i2 = ((newi2pat && reg_set_p (i2dest, newi2pat))
- || i2dest_in_i2src || i2dest_in_i1src
+ /* Compute which registers we expect to eliminate. */
+ rtx elim_i2 = (newi2pat || i2dest_in_i2src || i2dest_in_i1src
? 0 : i2dest);
- rtx elim_i1 = i1 == 0 || i1dest_in_i1src || i1dest_in_i2src ? 0 : i1dest;
+ rtx elim_i1 = i1 == 0 || i1dest_in_i1src ? 0 : i1dest;
/* Get the old REG_NOTES and LOG_LINKS from all our insns and
clear them. */
distribute_notes (gen_rtx (EXPR_LIST, REG_DEAD, i3dest_killed,
NULL_RTX),
NULL_RTX, i3, newi2pat ? i2 : NULL_RTX,
- elim_i2, elim_i1);
+ NULL_RTX, NULL_RTX);
}
if (i2dest_in_i2src)