| Message ID | 1330142015-26244-2-git-send-email-mattst88@gmail.com |
|---|---|
| State | New |
| Headers | show |
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 <mattst88@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 >
On Tue, Feb 28, 2012 at 7:13 PM, Ramana Radhakrishnan <ramana.radhakrishnan@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 <mattst88@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. :)
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