diff options
Diffstat (limited to 'thirdparty/opus/celt/float_cast.h')
| -rw-r--r-- | thirdparty/opus/celt/float_cast.h | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/thirdparty/opus/celt/float_cast.h b/thirdparty/opus/celt/float_cast.h index ed5a39b543..889dae965f 100644 --- a/thirdparty/opus/celt/float_cast.h +++ b/thirdparty/opus/celt/float_cast.h @@ -61,7 +61,13 @@ ** the config.h file. */ -#if (HAVE_LRINTF) +/* With GCC, when SSE is available, the fastest conversion is cvtss2si. */ +#if defined(__GNUC__) && defined(__SSE__) + +#include <xmmintrin.h> +static OPUS_INLINE opus_int32 float2int(float x) {return _mm_cvt_ss2si(_mm_set_ss(x));} + +#elif defined(HAVE_LRINTF) /* These defines enable functionality introduced with the 1999 ISO C ** standard. They must be defined before the inclusion of math.h to @@ -90,10 +96,10 @@ #include <math.h> #define float2int(x) lrint(x) -#elif (defined(_MSC_VER) && _MSC_VER >= 1400) && defined (_M_X64) +#elif (defined(_MSC_VER) && _MSC_VER >= 1400) && (defined(_M_X64) || (defined(_M_IX86_FP) && _M_IX86_FP >= 1)) #include <xmmintrin.h> - __inline long int float2int(float value) + static __inline long int float2int(float value) { return _mm_cvtss_si32(_mm_load_ss(&value)); } @@ -104,7 +110,7 @@ ** Therefore implement OPUS_INLINE versions of these functions here. */ - __inline long int + static __inline long int float2int (float flt) { int intgr; |