From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] SPARC target : Fix carry flag update in addxcc and subxcc ops
Date: Sun, 9 Apr 2006 21:38:48 +0100 [thread overview]
Message-ID: <200604092138.51170.paul@codesourcery.com> (raw)
In-Reply-To: <200604081546.48408.even.rouault@mines-paris.org>
On Saturday 08 April 2006 14:46, Even Rouault wrote:
> I send a patch that should fix a bug in the update of carry flag for addxcc
> and subxcc instructions when the carry flag is set before the evaluation of
> the instruction.
> (the fix is identical to what is done in the similar instruction
> op_adcl_T0_T1_cc for arm target)
if ((T0 & 0xffffffff) < (src1 & 0xffffffff))
env->psr |= PSR_CARRY;
Doesn't this condition in addx and the corresponding line in subx need similar
treatment?
Paul
next prev parent reply other threads:[~2006-04-09 20:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-08 13:46 [Qemu-devel] [PATCH] SPARC target : Fix carry flag update in addxcc and subxcc ops Even Rouault
2006-04-09 20:38 ` Paul Brook [this message]
2006-04-10 18:04 ` [Qemu-devel] [PATCH] SPARC target : Fix carry flag update inaddxcc and subxc Blue Swirl
2006-04-10 18:13 ` Paul Brook
2006-04-10 18:46 ` Laurent Desnogues
2006-04-10 20:18 ` Even Rouault
2006-04-10 17:57 ` [Qemu-devel] [PATCH] SPARC target : Fix carry flag update in addxccand subxc Blue Swirl
-- strict thread matches above, loose matches on Subject: below --
2006-04-07 22:17 [Qemu-devel] [PATCH] SPARC target : Fix carry flag update in addxcc and subxcc ops Even Rouault
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