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From: Aurelien Jarno <aurelien@aurel32.net>
To: Petar Jovanovic <petar.jovanovic@rt-rk.com>
Cc: leon.alrae@imgtec.com, qemu-devel@nongnu.org, petar.jovanovic@imgtec.com
Subject: Re: [Qemu-devel] [PATCH v2] target-mips: remove wrong checks for recip.fmt and rsqrt.fmt
Date: Sun, 11 Oct 2015 22:30:59 +0200	[thread overview]
Message-ID: <20151011203059.GA16705@aurel32.net> (raw)
In-Reply-To: <1440591140-95670-1-git-send-email-petar.jovanovic@rt-rk.com>

(sorry for the late answer)

On 2015-08-26 14:12, Petar Jovanovic wrote:
> From: Petar Jovanovic <petar.jovanovic@imgtec.com>
> 
> Instructions recip.{s|d} and rsqrt.{s|d} do not require 64-bit FPU neither
> they require any particular mode for its FPU. This patch removes the checks
> that may break a program that uses these instructions.

That is correct. That said these instructions do require at least a
MIPS32R2 or a MIPS64R1 CPU. I guess we should add these checks now that
check_cop1x do not guard them anymore.

-- 
Aurelien Jarno                          GPG: 4096R/1DDD8C9B
aurelien@aurel32.net                 http://www.aurel32.net

  parent reply	other threads:[~2015-10-11 20:31 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-26 12:12 [Qemu-devel] [PATCH v2] target-mips: remove wrong checks for recip.fmt and rsqrt.fmt Petar Jovanovic
2015-09-02  7:50 ` Leon Alrae
2015-10-11 20:30 ` Aurelien Jarno [this message]
2015-10-19 16:40   ` Leon Alrae
2015-10-19 16:49     ` Leon Alrae
2015-10-31  6:35     ` Maciej W. Rozycki

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