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Re: [PATCH 1/6] x86: allow opcode templates to be templated
On 06.03.2020 15:42, H.J. Lu wrote:
> On Fri, Mar 6, 2020 at 12:11 AM Jan Beulich <jbeulich@suse.com> wrote:
>>
>> In order to reduce redundancy as well as the chance of things going out
>> of sync (see a later patch for an example), make the opcode table
>> generator capable of recognizing and expanding templated templates. Use
>> the new capability for compacting the general purpose conditional insns.
>>
>> opcodes/
>> 2020-03-XX Jan Beulich <jbeulich@suse.com>
>>
>> * i386-gen.c (struct template_arg, struct template_instance,
>> struct template_param, struct template, templates,
>> parse_template, expand_templates): New.
>> (process_i386_opcodes): Various local variables moved to
>> expand_templates. Call parse_template and expand_templates.
>> * i386-opc.tbl (cc): New. Use it for Jcc, SETcc, and CMOVcc.
>> * i386-tbl.h: Re-generate.
>
> OK. Thanks.
>
>> ---
>> The set* templates lack No_bSuf - is there an expectation that in AT&T
>> mode a 'b' suffix may be used on them? Otherwise this should be added
>
> What does setb do?
setb is just a normal mnemonic. I'm wondering about setbb or setnzb or
alike.
Jan