On Tue, Feb 28, 2012 at 7:13 PM, Ramana Radhakrishnan
<ramana.radhakrish...@linaro.org> wrote:
> On Fri, Feb 24, 2012 at 10:53:35PM -0500, Matt Turner wrote:
>> The x86/amd64 mmintrin.h provides the _mm_empty intrinsic for the 'emms'
>> MMX instruction. Although ARM does not need such an instruction, we
>> should provide an empty _mm_empty function nonetheless for source
>> compatibility.
>
> OK for 4.8 and after your copyright assignment has been
> sorted.
>
> Ramana
>
>>
>> 2012-02-24 Matt Turner <matts...@gmail.com>
>>
>> * config/arm/mmintrin.h (_mm_empty): New.
>> ---
>> gcc/config/arm/mmintrin.h | 7 +++++++
>> 1 files changed, 7 insertions(+), 0 deletions(-)
>>
>> diff --git a/gcc/config/arm/mmintrin.h b/gcc/config/arm/mmintrin.h
>> index 2cc500d..ea73bf1 100644
>> --- a/gcc/config/arm/mmintrin.h
>> +++ b/gcc/config/arm/mmintrin.h
>> @@ -32,6 +32,12 @@ typedef int __v2si __attribute__ ((vector_size (8)));
>> typedef short __v4hi __attribute__ ((vector_size (8)));
>> typedef char __v8qi __attribute__ ((vector_size (8)));
>>
>> +/* Provided for source compatibility with MMX. */
>> +extern __inline void __attribute__((__gnu_inline__, __always_inline__,
>> __artificial__))
>> +_mm_empty (void)
>> +{
>> +}
>> +
>> /* "Convert" __m64 and __int64 into each other. */
>> static __inline __m64
>> _mm_cvtsi64_m64 (__int64 __i)
>> @@ -1248,6 +1254,7 @@ _m_from_int (int __a)
>> #define _m_psadzbw _mm_sadz_pu8
>> #define _m_psadzwd _mm_sadz_pu16
>> #define _m_paligniq _mm_align_si64
>> +#define _m_empty _mm_empty
>> #define _m_cvt_si2pi _mm_cvtsi64_m64
>> #define _m_cvt_pi2si _mm_cvtm64_si64
>>
>> --
>> 1.7.3.4
>>
Copyright assignment is sorted. Please commit. :)
