diff options
Diffstat (limited to 'simd/arm/jchuff.h')
| -rw-r--r-- | simd/arm/jchuff.h | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/simd/arm/jchuff.h b/simd/arm/jchuff.h index d4edd5eb..2fbd252b 100644 --- a/simd/arm/jchuff.h +++ b/simd/arm/jchuff.h @@ -4,7 +4,7 @@ * This file was part of the Independent JPEG Group's software: * Copyright (C) 1991-1997, Thomas G. Lane. * libjpeg-turbo Modifications: - * Copyright (C) 2009, 2018, D. R. Commander. + * Copyright (C) 2009, 2018, 2021, D. R. Commander. * Copyright (C) 2018, Matthias Räncker. * Copyright (C) 2020-2021, Arm Limited. * For conditions of distribution and use, see the accompanying README.ijg @@ -74,6 +74,21 @@ typedef struct { #else +#if defined(_MSC_VER) && !defined(__clang__) +#define SPLAT() { \ + buffer[0] = (JOCTET)(put_buffer >> 24); \ + buffer[1] = (JOCTET)(put_buffer >> 16); \ + buffer[2] = (JOCTET)(put_buffer >> 8); \ + buffer[3] = (JOCTET)(put_buffer ); \ + buffer += 4; \ +} +#else +#define SPLAT() { \ + put_buffer = __builtin_bswap32(put_buffer); \ + __asm__("str %1, [%0], #4" : "+r" (buffer) : "r" (put_buffer)); \ +} +#endif + #define FLUSH() { \ if (put_buffer & 0x80808080 & ~(put_buffer + 0x01010101)) { \ EMIT_BYTE(put_buffer >> 24) \ @@ -81,8 +96,7 @@ typedef struct { EMIT_BYTE(put_buffer >> 8) \ EMIT_BYTE(put_buffer ) \ } else { \ - *((uint32_t *)buffer) = BUILTIN_BSWAP32(put_buffer); \ - buffer += 4; \ + SPLAT(); \ } \ } |