linux-kernel - Re: [PATCH 0/1] vsprintf: optimize decimal conversion (again)

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Message-ID: <CAK1hOcOCG19U3sZAPDSH=BYsjgDMJ0VXjcoXV4EaoL30-dTO+A@mail.gmail.com>
Date:	Tue, 27 Mar 2012 17:42:35 +0200
From:	Denys Vlasenko <vda.linux@...glemail.com>
To:	roma1390 <roma1390@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Douglas W Jones <jones@...uiowa.edu>,
	Michal Nazarewicz <mnazarewicz@...gle.com>
Subject: Re: [PATCH 0/1] vsprintf: optimize decimal conversion (again)

On Tue, Mar 27, 2012 at 2:08 PM, roma1390 <roma1390@...il.com> wrote:
> On 2012.03.26 21:47, Denys Vlasenko wrote:
>>
>> Please find test programs attached.
>>
>> 32-bit test programs were built using gcc 4.6.2
>> 64-bit test programs were built using gcc 4.2.1
>> Command line: gcc --static [-m32] -O2 -Wall test_{org,new}.c
>
> Can't compile reference for arm:
> $ arm-linux-gnueabi-gcc -O2 -Wall test_org.c -o test_org
> test_org.c: In function ‘put_dec’:
> test_org.c:101: error: impossible constraint in ‘asm’
> test_org.c:101: error: impossible constraint in ‘asm’
> test_org.c:101: error: impossible constraint in ‘asm’

Please find a modified test_header.c attached.
I tested and it builds in my arm emulator.

-- 
vda

View attachment "test_header.c" of type "text/x-csrc" (8139 bytes)