michael@0: /*
michael@0:  * Copyright 2012 The Android Open Source Project
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: #ifndef SkCachePreload_arm_DEFINED
michael@0: #define SkCachePreload_arm_DEFINED
michael@0: 
michael@0: // This file defines macros for preload instructions for ARM. These macros
michael@0: // are designed to be embedded inside GNU inline assembly.
michael@0: // For the use of these macros, __ARM_USE_PLD needs to be enabled. The cache
michael@0: // line size also needs to be known (and needs to be contained inside
michael@0: // __ARM_CACHE_LINE_SIZE).
michael@0: #if defined(__ARM_USE_PLD)
michael@0: 
michael@0: #define PLD(x, n)           "pld        [%["#x"], #("#n")]\n\t"
michael@0: 
michael@0: #if __ARM_CACHE_LINE_SIZE == 32
michael@0:     #define PLD64(x, n)      PLD(x, n) PLD(x, (n) + 32)
michael@0: #elif __ARM_CACHE_LINE_SIZE == 64
michael@0:     #define PLD64(x, n)      PLD(x, n)
michael@0: #else
michael@0:     #error "unknown __ARM_CACHE_LINE_SIZE."
michael@0: #endif
michael@0: #else
michael@0:     // PLD is disabled, all macros become empty.
michael@0:     #define PLD(x, n)
michael@0:     #define PLD64(x, n)
michael@0: #endif
michael@0: 
michael@0: #define PLD128(x, n)         PLD64(x, n) PLD64(x, (n) + 64)
michael@0: 
michael@0: #endif  // SkCachePreload_arm_DEFINED