clang API Documentation

f16cintrin.h
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00001 /*===---- f16cintrin.h - F16C intrinsics -----------------------------------===
00002  *
00003  * Permission is hereby granted, free of charge, to any person obtaining a copy
00004  * of this software and associated documentation files (the "Software"), to deal
00005  * in the Software without restriction, including without limitation the rights
00006  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00007  * copies of the Software, and to permit persons to whom the Software is
00008  * furnished to do so, subject to the following conditions:
00009  *
00010  * The above copyright notice and this permission notice shall be included in
00011  * all copies or substantial portions of the Software.
00012  *
00013  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00014  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00015  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00016  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00017  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00018  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00019  * THE SOFTWARE.
00020  *
00021  *===-----------------------------------------------------------------------===
00022  */
00023 
00024 #if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
00025 #error "Never use <f16cintrin.h> directly; include <x86intrin.h> instead."
00026 #endif
00027 
00028 #ifndef __F16C__
00029 # error "F16C instruction is not enabled"
00030 #endif /* __F16C__ */
00031 
00032 #ifndef __F16CINTRIN_H
00033 #define __F16CINTRIN_H
00034 
00035 typedef float __v8sf __attribute__ ((__vector_size__ (32)));
00036 typedef float __m256 __attribute__ ((__vector_size__ (32)));
00037 
00038 #define _mm_cvtps_ph(a, imm) __extension__ ({ \
00039   __m128 __a = (a); \
00040  (__m128i)__builtin_ia32_vcvtps2ph((__v4sf)__a, (imm)); })
00041 
00042 #define _mm256_cvtps_ph(a, imm) __extension__ ({ \
00043   __m256 __a = (a); \
00044  (__m128i)__builtin_ia32_vcvtps2ph256((__v8sf)__a, (imm)); })
00045 
00046 static __inline __m128 __attribute__((__always_inline__, __nodebug__))
00047 _mm_cvtph_ps(__m128i __a)
00048 {
00049   return (__m128)__builtin_ia32_vcvtph2ps((__v8hi)__a);
00050 }
00051 
00052 static __inline __m256 __attribute__((__always_inline__, __nodebug__))
00053 _mm256_cvtph_ps(__m128i __a)
00054 {
00055   return (__m256)__builtin_ia32_vcvtph2ps256((__v8hi)__a);
00056 }
00057 
00058 #endif /* __F16CINTRIN_H */