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Re: Cortex-A15 vfnma/vfnms test patch
Dear All,
Please let me know the patch is OK for trunk ?
Thank You,
Amol Pise
On 1/21/13, amol pise <amolpise15@gmail.com> wrote:
> Dear All,
>
> I am working on Cortex-A15 using latest GCC toolchain.
> As we know that VFPv4 and SIMDv2 are the Cortex-A15 CPU Features,
> so, compared to VFPv3/ SIMDv1, in VFPv4/SIMDv2 has following
> additional instruction support
> * VFMA, VFMS - Fused multiply accumulate, Fused multiply subtract.
> * VFNMA, VFNMS - Fused multiply accumulate with negation, Fused
> multiply subtract with negation.
>
> To check whether these instructions are generated or not. I took the
> GCC-4.8 branch (snapshot) from FSF.
>
> I noticed there are following testcases available for VFMA, VFMS
> instructions
> * gcc/testsuite/gcc.target/arm/neon-vfma-1.c
> * gcc/testsuite/gcc.target/arm/neon-vfms-1.c
>
> But for the VFNMA, VFNMS instructions there are no test case
> available. So I have created the patch to test these instruction.
> Please find the attached patch
>
> I have tested these instruction with GCC and these instructions are
> generated.
> Please review and marge this test support patch in gcc main trunk.
>
> Thank You,
> Amol Pise
>