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i386.c (ix86_split_long_move): Fix base register mode for XFmode splits for TARGET_64BIT.

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* config/i386/i386.c (ix86_split_long_move): Fix base register
        mode for XFmode splits for TARGET_64BIT.

From-SVN: r66589
This commit is contained in:
Richard Henderson 2003-05-07 17:51:15 -07:00 committed by Richard Henderson
parent 0212907f54
commit 8231b3f9ff
2 changed files with 21 additions and 7 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
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

23
gcc/config/i386/i386.c
View File

@ -10593,15 +10593,24 @@ ix86_split_long_move (operands)
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));
}
}