+2003-05-07 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (ix86_split_long_move): Fix base register
+ mode for XFmode splits for TARGET_64BIT.
+
2003-05-07 Richard Henderson <rth@redhat.com>
* sched-ebb.c (schedule_ebb): Supply the correct starting
Do an lea to the last part and use only one colliding move. */
else if (collisions > 1)
{
+ rtx base;
+
collisions = 1;
- emit_insn (gen_rtx_SET (VOIDmode, part[0][nparts - 1],
- XEXP (part[1][0], 0)));
- part[1][0] = change_address (part[1][0],
- TARGET_64BIT ? DImode : SImode,
- part[0][nparts - 1]);
- part[1][1] = adjust_address (part[1][0], VOIDmode, UNITS_PER_WORD);
+
+ base = part[0][nparts - 1];
+
+ /* Handle the case when the last part isn't valid for lea.
+ Happens in 64-bit mode storing the 12-byte XFmode. */
+ if (GET_MODE (base) != Pmode)
+ base = gen_rtx_REG (Pmode, REGNO (base));
+
+ emit_insn (gen_rtx_SET (VOIDmode, base, XEXP (part[1][0], 0)));
+ part[1][0] = replace_equiv_address (part[1][0], base);
+ part[1][1] = replace_equiv_address (part[1][1],
+ plus_constant (base, UNITS_PER_WORD));
if (nparts == 3)
- part[1][2] = adjust_address (part[1][0], VOIDmode, 8);
+ part[1][2] = replace_equiv_address (part[1][2],
+ plus_constant (base, 8));
}
}