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    SubjectRe: [PATCH 0/1] vsprintf: optimize decimal conversion (again)
    On Tue, Mar 27, 2012 at 2:08 PM, roma1390 <roma1390@gmail.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’

    Problem is that test_header.c contains do_div() macro
    copied from x86 arch.

    Can you replace it with one taken from arm arch?
    You can find it in arch/arm/include/asm/div64.h,
    and __asmeq macro can be found in
    arch/arm/include/asm/system.h.

    --
    vda


    arch/arm/include/asm/div64.h
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