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Re: [PATCH 14/18] i386: Destructive FP helpers for AVX


From: Richard Henderson
Subject: Re: [PATCH 14/18] i386: Destructive FP helpers for AVX
Date: Thu, 25 Aug 2022 18:03:06 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0

On 8/25/22 15:14, Paolo Bonzini wrote:
From: Paul Brook<paul@nowt.org>

Perpare the horizontal atithmetic vector helpers for AVX
These currently use a dummy Reg typed variable to store the result then
assign the whole register.  This will cause 128 bit operations to corrupt
the upper half of the register, so replace it with explicit temporaries
and element assignments.

Signed-off-by: Paul Brook<paul@nowt.org>
Message-Id:<20220424220204.2493824-18-paul@nowt.org>
Signed-off-by: Paolo Bonzini<pbonzini@redhat.com>
---
  target/i386/ops_sse.h | 68 +++++++++++++++++++++----------------------
  1 file changed, 34 insertions(+), 34 deletions(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~



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