From: Richard Henderson <richard.henderson@linaro.org>
To: Paolo Bonzini <pbonzini@redhat.com>, qemu-devel@nongnu.org
Cc: paul@nowt.org
Subject: Re: [PATCH 00/18] target/i386: make most SSE helpers generic in the vector size
Date: Thu, 25 Aug 2022 16:32:51 -0700 [thread overview]
Message-ID: <53da3967-8541-9ea5-995c-5f2fcd6fcde7@linaro.org> (raw)
In-Reply-To: <20220825221411.35122-1-pbonzini@redhat.com>
On 8/25/22 15:13, Paolo Bonzini wrote:
> This is the first half of Paul's series from last April, reorganized
> to have no occurrence of YMM_ONLY or SHIFT == 2---meaning it can be
> committed without much fuss, even without a plan for the implementation
> of AVX decoding.
>
> In most cases this is done by using loops that apply the same code for
> all of MMX/SSE/AVX, in some cases AVX needs special-casing for the two
> 128-bit lanes and then this code is simply missing. The missing helper
> code is just 100 lines though, so this _is_ the lion share of the work
> to adapt the existing t helpers.
Ok. I'll note that this is a decent intermediate step for
further conversion to tcg/tcg-op-gvec.h, which has a parameter
for the vector length instead of having N functions with the
length implicit in each name.
r~
prev parent reply other threads:[~2022-08-25 23:33 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-25 22:13 [PATCH 00/18] target/i386: make most SSE helpers generic in the vector size Paolo Bonzini
2022-08-25 22:13 ` [PATCH 01/18] i386: Rework sse_op_table1 Paolo Bonzini
2022-08-25 23:38 ` Richard Henderson
2022-08-26 20:15 ` Paolo Bonzini
2022-08-25 22:13 ` [PATCH 02/18] i386: Rework sse_op_table6/7 Paolo Bonzini
2022-08-25 23:43 ` Richard Henderson
2022-08-25 22:13 ` [PATCH 03/18] i386: Add CHECK_NO_VEX Paolo Bonzini
2022-08-26 15:37 ` Richard Henderson
2022-08-25 22:13 ` [PATCH 04/18] i386: Move 3DNOW decoder Paolo Bonzini
2022-08-25 23:47 ` Richard Henderson
2022-08-25 22:13 ` [PATCH 05/18] i386: Add ZMM_OFFSET macro Paolo Bonzini
2022-08-25 22:13 ` [PATCH 06/18] i386: Rewrite vector shift helper Paolo Bonzini
2022-08-25 23:53 ` Richard Henderson
2022-08-25 22:14 ` [PATCH 07/18] i386: Rewrite simple integer vector helpers Paolo Bonzini
2022-08-26 0:01 ` Richard Henderson
2022-08-26 11:31 ` Paolo Bonzini
2022-08-25 22:14 ` [PATCH 08/18] i386: Misc integer AVX helper prep Paolo Bonzini
2022-08-26 0:06 ` Richard Henderson
2022-08-25 22:14 ` [PATCH 09/18] i386: Destructive vector helpers for AVX Paolo Bonzini
2022-08-26 0:41 ` Richard Henderson
2022-08-25 22:14 ` [PATCH 10/18] i386: Add size suffix to vector FP helpers Paolo Bonzini
2022-08-26 0:42 ` Richard Henderson
2022-08-25 22:14 ` [PATCH 11/18] i386: Floating point arithmetic helper AVX prep Paolo Bonzini
2022-08-26 0:44 ` Richard Henderson
2022-08-25 22:14 ` [PATCH 12/18] i386: reimplement AVX comparison helpers Paolo Bonzini
2022-08-26 0:56 ` Richard Henderson
2022-08-25 22:14 ` [PATCH 13/18] i386: Dot product AVX helper prep Paolo Bonzini
2022-08-26 1:01 ` Richard Henderson
2022-08-25 22:14 ` [PATCH 14/18] i386: Destructive FP helpers for AVX Paolo Bonzini
2022-08-26 1:03 ` Richard Henderson
2022-08-25 22:14 ` [PATCH 15/18] i386: Misc AVX helper prep Paolo Bonzini
2022-08-26 15:47 ` Richard Henderson
2022-08-25 22:14 ` [PATCH 16/18] i386: Rewrite blendv helpers Paolo Bonzini
2022-08-26 15:53 ` Richard Henderson
2022-08-25 22:14 ` [PATCH 17/18] i386: AVX pclmulqdq prep Paolo Bonzini
2022-08-26 15:57 ` Richard Henderson
2022-08-25 22:14 ` [PATCH 18/18] i386: AVX+AES helpers prep Paolo Bonzini
2022-08-26 16:55 ` Richard Henderson
2022-08-25 23:32 ` Richard Henderson [this message]
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