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| author |  commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2013-10-24 14:25:22 +0000 |
|---|---|---|
| committer | commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2013-10-24 14:25:22 +0000 |
| commit | c1cf5c00893871f5391aa335952097b9406651b3 (patch) | |
| tree | e5882465cb54778416d843cf093f934aa3c2bcfa /src/core/SkOnce.h | |
| parent | 0255a5d2fe37f5b5b4e7c4cdb2ec3ab18a53deaf (diff) | |
Borrow Android's ARMv6 memory barrier for SkOnce.
BUG=skia:1743
R=bungeman@google.com
Author: mtklein@google.com
Review URL: https://codereview.chromium.org/34353009
git-svn-id: http://skia.googlecode.com/svn/trunk@11941 2bbb7eff-a529-9590-31e7-b0007b416f81
Diffstat (limited to 'src/core/SkOnce.h')
| -rw-r--r-- | src/core/SkOnce.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/core/SkOnce.h b/src/core/SkOnce.h index ddef0d56c4..a469e22c86 100644 --- a/src/core/SkOnce.h +++ b/src/core/SkOnce.h @@ -64,7 +64,11 @@ inline static void compiler_barrier() { inline static void full_barrier_on_arm() { #ifdef SK_CPU_ARM +#if SK_ARM_ARCH >= 7 asm volatile("dmb" : : : "memory"); +#else + asm volatile("mcr p15, 0, %0, c7, c10, 5" : : "r" (0) : "memory"); +#endif #endif } |