Re: [PATCH] x86/math-emu: Add support for FCMOVcc and F[U]COMI[P] insns

From: Ingo Molnar
Date: Mon Aug 24 2015 - 02:46:56 EST

* Denys Vlasenko <dvlasenk@xxxxxxxxxx> 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


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