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* function.c (assign_parm_setup_block): Handle parallels correctly.

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From-SVN: r89750
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Aldy Hernandez 2004-10-28 12:29:36 +00:00 • committed by Aldy Hernandez
parent 5921f276c7
commit 4af46a327e
2 changed files with 26 additions and 2 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2004-10-28 Aldy Hernandez <aldyh@redhat.com>
* function.c (assign_parm_setup_block): Handle parallels correctly.
2004-10-28 Kaz Kojima <kkojima@gcc.gnu.org>
* final.c (shorten_branches): Initialize flags structure.

24
gcc/function.c
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@ -2550,8 +2550,28 @@ assign_parm_setup_block (tree parm, struct assign_parm_data_one *data)
{
rtx parmreg = gen_reg_rtx (data->nominal_mode);
emit_group_store (parmreg, entry_parm, data->nominal_type,
int_size_in_bytes (data->nominal_type));
/* For values returned in multiple registers, handle possible
incompatible calls to emit_group_store.
For example, the following would be invalid, and would have to
be fixed by the conditional below:
emit_group_store ((reg:SF), (parallel:DF))
emit_group_store ((reg:SI), (parallel:DI))
An example of this are doubles in e500 v2:
(parallel:DF (expr_list (reg:SI) (const_int 0))
(expr_list (reg:SI) (const_int 4))). */
if (data->nominal_mode != data->passed_mode)
{
rtx t = gen_reg_rtx (GET_MODE (entry_parm));
emit_group_store (t, entry_parm, NULL_TREE,
GET_MODE_SIZE (GET_MODE (entry_parm)));
convert_move (parmreg, t, 0);
}
else
emit_group_store (parmreg, entry_parm, data->nominal_type,
int_size_in_bytes (data->nominal_type));
SET_DECL_RTL (parm, parmreg);
return;
}