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From: Ingo Molnar <mingo@kernel.org>
To: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>, "H. Peter Anvin" <hpa@zytor.com>,
	Andy Lutomirski <luto@amacapital.net>,
	Kees Cook <keescook@chromium.org>,
	x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86/math-emu: Add support for FCMOVcc and F[U]COMI[P] insns
Date: Mon, 24 Aug 2015 08:46:47 +0200	[thread overview]
Message-ID: <20150824064647.GA12756@gmail.com> (raw)
In-Reply-To: <55D9EB14.9010102@redhat.com>


* Denys Vlasenko <dvlasenk@redhat.com> wrote:

> I propose the table to be commented like shown below:
> 
> /*Opcode: d8      d9        da      db       dc      dd      de      df */
> /*c0..f*/ fadd__, fld_i_,   fcmovb, fcmovnb, fadd_i, ffree_, faddp_, _df_c0_,
> /*c8..f*/ fmul__, fxch_i,   fcmove, fcmovne, fmul_i, _dd_c8_,fmulp_, _df_c8_,
> /*d0..7*/ fcom_st,fp_nop,   fcmovbe,fcmovnbe,_dc_d0_,fst_i_, _de_d0_,_df_d0_,
> /*d8..f*/ fcompst,_d9_d8_,  fcmovu, fcmovnu, _dc_d8_,fstp_i, fcompp, _df_d8_,
> /*e0..7*/ fsub__, FPU_etc,  __BAD__,finit_,  fsubri, fucom_, fsubrp, fstsw_,
> /*e8..f*/ fsubr_, fconst,   fucompp,fucomi_, fsub_i, fucomp, fsubp_, fucomip,
> /*f0..7*/ fdiv__, FPU_triga,__BAD__,fcomi_,  fdivri, __BAD__,fdivrp, fcomip,
> /*f8..f*/ fdivr_, FPU_trigb,__BAD__,__BAD__, fdiv_i, __BAD__,fdivp_, __BAD__,

I agree with that, but please fix the vertical alignment (like my patch did), as 
the table is pretty hard to navigate in this form.

Also, the first patch in the series should remove the 'undocumented' #ifdef. That 
define was fully justified ~20 years ago but let's not complicate new code with 
it.

Thanks,

	Ingo

  reply	other threads:[~2015-08-24  6:46 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-21 10:19 [PATCH] x86/math-emu: Add support for FCMOVcc and F[U]COMI[P] insns Denys Vlasenko
2015-08-22  8:13 ` Ingo Molnar
2015-08-22  8:54 ` Ingo Molnar
2015-08-22 18:57   ` Denys Vlasenko
2015-08-23  6:15     ` Ingo Molnar
2015-08-23 15:47       ` Denys Vlasenko
2015-08-24  6:46         ` Ingo Molnar [this message]
2015-08-24  6:50           ` Ingo Molnar
2015-08-24 14:15             ` Denys Vlasenko
2015-08-25  8:36               ` Ingo Molnar

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