Mercurial > hg > CbC > CbC_gcc
diff gcc/config/i386/xmmintrin.h @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 84e7813d76e9 |
children |
line wrap: on
line diff
--- a/gcc/config/i386/xmmintrin.h Thu Oct 25 07:37:49 2018 +0900 +++ b/gcc/config/i386/xmmintrin.h Thu Feb 13 11:34:05 2020 +0900 @@ -1,4 +1,4 @@ -/* Copyright (C) 2002-2018 Free Software Foundation, Inc. +/* Copyright (C) 2002-2020 Free Software Foundation, Inc. This file is part of GCC. @@ -1165,7 +1165,68 @@ extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__)) _mm_maskmove_si64 (__m64 __A, __m64 __N, char *__P) { +#ifdef __MMX_WITH_SSE__ + /* Emulate MMX maskmovq with SSE2 maskmovdqu and handle unmapped bits + 64:127 at address __P. */ + typedef long long __v2di __attribute__ ((__vector_size__ (16))); + typedef char __v16qi __attribute__ ((__vector_size__ (16))); + /* Zero-extend __A and __N to 128 bits. */ + __v2di __A128 = __extension__ (__v2di) { ((__v1di) __A)[0], 0 }; + __v2di __N128 = __extension__ (__v2di) { ((__v1di) __N)[0], 0 }; + + /* Check the alignment of __P. */ + __SIZE_TYPE__ offset = ((__SIZE_TYPE__) __P) & 0xf; + if (offset) + { + /* If the misalignment of __P > 8, subtract __P by 8 bytes. + Otherwise, subtract __P by the misalignment. */ + if (offset > 8) + offset = 8; + __P = (char *) (((__SIZE_TYPE__) __P) - offset); + + /* Shift __A128 and __N128 to the left by the adjustment. */ + switch (offset) + { + case 1: + __A128 = __builtin_ia32_pslldqi128 (__A128, 8); + __N128 = __builtin_ia32_pslldqi128 (__N128, 8); + break; + case 2: + __A128 = __builtin_ia32_pslldqi128 (__A128, 2 * 8); + __N128 = __builtin_ia32_pslldqi128 (__N128, 2 * 8); + break; + case 3: + __A128 = __builtin_ia32_pslldqi128 (__A128, 3 * 8); + __N128 = __builtin_ia32_pslldqi128 (__N128, 3 * 8); + break; + case 4: + __A128 = __builtin_ia32_pslldqi128 (__A128, 4 * 8); + __N128 = __builtin_ia32_pslldqi128 (__N128, 4 * 8); + break; + case 5: + __A128 = __builtin_ia32_pslldqi128 (__A128, 5 * 8); + __N128 = __builtin_ia32_pslldqi128 (__N128, 5 * 8); + break; + case 6: + __A128 = __builtin_ia32_pslldqi128 (__A128, 6 * 8); + __N128 = __builtin_ia32_pslldqi128 (__N128, 6 * 8); + break; + case 7: + __A128 = __builtin_ia32_pslldqi128 (__A128, 7 * 8); + __N128 = __builtin_ia32_pslldqi128 (__N128, 7 * 8); + break; + case 8: + __A128 = __builtin_ia32_pslldqi128 (__A128, 8 * 8); + __N128 = __builtin_ia32_pslldqi128 (__N128, 8 * 8); + break; + default: + break; + } + } + __builtin_ia32_maskmovdqu ((__v16qi)__A128, (__v16qi)__N128, __P); +#else __builtin_ia32_maskmovq ((__v8qi)__A, (__v8qi)__N, __P); +#endif } extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))