Re: [PATCH -v4] crypto: Add PCLMULQDQ accelerated GHASHimplementation

From: Ingo Molnar
Date: Mon Nov 02 2009 - 02:51:07 EST

* Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> wrote:

> - pshufb BSWAP, DATA
> + # pshufb BSWAP, DATA
> + .byte 0x66, 0x0f, 0x38, 0x00, 0xc5

A cleanup request: mind creating two macros for this PSHUFB MMX/SSE
instruction in arch/x86/include/asm/i387.h, instead of open-coding the
.byte sequences in ~6 places?

( After the .33 merge window we'll collect such instruction format
knowledge in arch/x86/include/asm/inst.h. That file is not upstream
yet so i387.h will do for now for FPU/SSE instructions. )


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