| borenet@google.com | 84d6715 | 2012-07-26 14:20:13 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2012 The Android Open Source Project |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | #ifndef SkCachePreload_arm_DEFINED |
| 8 | #define SkCachePreload_arm_DEFINED |
| 9 | |
| 10 | // This file defines macros for preload instructions for ARM. These macros |
| 11 | // are designed to be embedded inside GNU inline assembly. |
| 12 | // For the use of these macros, __ARM_USE_PLD needs to be enabled. The cache |
| 13 | // line size also needs to be known (and needs to be contained inside |
| 14 | // __ARM_CACHE_LINE_SIZE). |
| 15 | #if defined(__ARM_USE_PLD) |
| 16 | |
| 17 | #define PLD(x, n) "pld [%["#x"], #("#n")]\n\t" |
| 18 | |
| 19 | #if __ARM_CACHE_LINE_SIZE == 32 |
| 20 | #define PLD64(x, n) PLD(x, n) PLD(x, (n) + 32) |
| 21 | #elif __ARM_CACHE_LINE_SIZE == 64 |
| 22 | #define PLD64(x, n) PLD(x, n) |
| 23 | #else |
| 24 | #error "unknown __ARM_CACHE_LINE_SIZE." |
| 25 | #endif |
| 26 | #else |
| 27 | // PLD is disabled, all macros become empty. |
| 28 | #define PLD(x, n) |
| 29 | #define PLD64(x, n) |
| 30 | #endif |
| 31 | |
| 32 | #define PLD128(x, n) PLD64(x, n) PLD64(x, (n) + 64) |
| 33 | |
| 34 | #endif // SkCachePreload_arm_DEFINED |