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ia64.c (spill_xfmode_operand): Use assign_stack_temp instead of gen_mem_addressof.

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* config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
        instead of gen_mem_addressof.
        * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
        TImode output register.

From-SVN: r84071
This commit is contained in:
Richard Henderson 2004-07-03 20:03:00 -07:00 committed by Richard Henderson
parent bdecd3343c
commit 68d22aa55a
3 changed files with 30 additions and 8 deletions
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7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2004-07-03 Richard Henderson <rth@redhat.com>
* config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
instead of gen_mem_addressof.
* config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
TImode output register.
2004-07-03 Richard Henderson <rth@redhat.com>
PR tree-optimization/16341

13
gcc/config/ia64/ia64.c
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@ -1640,17 +1640,16 @@ spill_xfmode_operand (rtx in, int force)
&& GET_MODE (SUBREG_REG (in)) == TImode
&& GET_CODE (SUBREG_REG (in)) == REG)
{
rtx mem = gen_mem_addressof (SUBREG_REG (in), NULL_TREE, /*rescan=*/true);
return gen_rtx_MEM (XFmode, copy_to_reg (XEXP (mem, 0)));
rtx memt = assign_stack_temp (TImode, 16, 0);
emit_move_insn (memt, SUBREG_REG (in));
return adjust_address (memt, XFmode, 0);
}
else if (force && GET_CODE (in) == REG)
{
rtx mem = gen_mem_addressof (in, NULL_TREE, /*rescan=*/true);
return gen_rtx_MEM (XFmode, copy_to_reg (XEXP (mem, 0)));
rtx memx = assign_stack_temp (XFmode, 16, 0);
emit_move_insn (memx, in);
return memx;
}
else if (GET_CODE (in) == MEM
&& GET_CODE (XEXP (in, 0)) == ADDRESSOF)
return change_address (in, XFmode, copy_to_reg (XEXP (in, 0)));
else
return in;
}

18
gcc/config/ia64/ia64.md
View File

@ -746,9 +746,25 @@
if (! reload_in_progress && ! reload_completed)
{
operands[0] = spill_xfmode_operand (operands[0], 0);
operands[1] = spill_xfmode_operand (operands[1], 0);
if (GET_MODE (op0) == TImode && GET_CODE (op0) == REG)
{
rtx memt, memx, in = operands[1];
if (CONSTANT_P (in))
in = validize_mem (force_const_mem (XFmode, in));
if (GET_CODE (in) == MEM)
memt = adjust_address (in, TImode, 0);
else
{
memt = assign_stack_temp (TImode, 16, 0);
memx = adjust_address (memt, XFmode, 0);
emit_move_insn (memx, in);
}
emit_move_insn (op0, memt);
DONE;
}
if (! ia64_move_ok (operands[0], operands[1]))
operands[1] = force_reg (XFmode, operands[1]);
}