[cfe-commits] [patch] Fix order of operands in NEON vfma intrinsic

Anton Korobeynikov anton at korobeynikov.info
Wed Jan 16 08:47:14 PST 2013


Tim,

Looks obvious enough to be comitted as-is :)

On Wed, Jan 16, 2013 at 8:38 PM, Tim Northover <t.p.northover at gmail.com> wrote:
> Ping?
>
> Tim.
>
> On Mon, Jan 14, 2013 at 1:37 PM, Tim Northover <Tim.Northover at arm.com> wrote:
>> Hi,
>>
>> While applying some review comments for the AArch64 code, I noticed that the
>> arguments are marshalled incorrectly when converting a NEON vfma intrinsic
>> into an LLVM fma version.
>>
>> The NEON version expects the modified (accumulator) argument to come first,
>> however the LLVM version follows libm's semantics in putting the accumulator
>> last.
>>
>> This patch should fix the issue. Ok to commit?
>>
>> Cheers.
>>
>> Tim.
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>
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-- 
With best regards, Anton Korobeynikov
Faculty of Mathematics and Mechanics, Saint Petersburg State University



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