On Wed, Mar 23, 2011 at 1:22 AM, Eric Botcazou <ebotca...@adacore.com> wrote:
>> It is:
>>
>> op0 = parmreg;
>> op1 = validated_mem;
>> if (icode != CODE_FOR_nothing
>> && insn_data[icode].operand[0].predicate (op0,
>> promoted_nominal_mode) && insn_data[icode].operand[1].predicate (op1,
>> data->passed_mode)) {
>> enum rtx_code code = unsignedp ? ZERO_EXTEND : SIGN_EXTEND;
>> rtx insn, insns;
>> HARD_REG_SET hardregs;
>>
>> start_sequence ();
>> insn = gen_extend_insn (op0, op1, promoted_nominal_mode,
>> data->passed_mode, unsignedp);
>> emit_insn (insn);
>> insns = get_insns ();
>
> Sure, but why is need_conversion set to true?
>
Pointer is promoted to Pmode from ptr_mode.
--
H.J.
---
#0 promote_mode (type=0x7ffff0e05540, mode=SImode, punsignedp=0x7fffffffd76c)
at /export/gnu/import/git/gcc-x32/gcc/explow.c:808
#1 0x00000000009ef004 in default_promote_function_mode (type=0x7ffff0e05540,
mode=SImode, punsignedp=0x7fffffffd76c, funtype=0x7ffff0cec3f0,
for_return=2) at /export/gnu/import/git/gcc-x32/gcc/targhooks.c:128
#2 0x00000000006d7155 in promote_function_mode (type=0x7ffff0e05540,
mode=SImode, punsignedp=0x7fffffffd76c, funtype=0x7ffff0cec3f0,
for_return=2) at /export/gnu/import/git/gcc-x32/gcc/explow.c:774
#3 0x00000000007cf7de in assign_parm_setup_reg (all=0x7fffffffda10,
parm=0x7ffff0dec880, data=0x7fffffffd980)
at /export/gnu/import/git/gcc-x32/gcc/function.c:2941
