Inconsistent initialization for pic_offset_table_rtx?

[Ilya Enkovich]

2016-02-09 18:13 GMT+03:00 Bin.Cheng <amker.cheng@gmail.com>:
> On Tue, Feb 9, 2016 at 2:56 PM, Ilya Enkovich <enkovich.gnu@gmail.com> wrote:
>>
>> I agree it looks inconsistent.  But I don't think PIC_OFFSET_TABLE_REGNUM is
>> supposed to return pseudo regno.  Using EBX_REG value for this macro was a
>> workaround for problem of NULL pic_offset_table_rtx usage in cost
>> functions. I think
>> we should try to initialize pic_offset_table_rtx with some pseudo
>> register in i386
>> target for cost estimation purposes and always return INVALID_REG for
>> PIC_OFFSET_TABLE_REGNUM.
> Hi IIya,
> Could you please test a patch in this way?  You are more experienced
> than me here.

Not now I'm afraid.  It doesn't seem safe enough for stage4 anyway. So
let's get back to it on stage1.

Thanks,
Ilya

>
> Thanks,
> bin
>>