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Diffstat (limited to 'lib/arm/sync_synchronize.S')
| -rw-r--r-- | lib/arm/sync_synchronize.S | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/lib/arm/sync_synchronize.S b/lib/arm/sync_synchronize.S deleted file mode 100644 index 06dade964728..000000000000 --- a/lib/arm/sync_synchronize.S +++ /dev/null @@ -1,34 +0,0 @@ -//===-- sync_synchronize - Implement memory barrier * ----------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// When compiling a use of the gcc built-in __sync_synchronize() in thumb1 mode -// the compiler may emit a call to __sync_synchronize. -// On Darwin the implementation jumps to an OS supplied function named -// OSMemoryBarrier -// - - .text - .syntax unified - -#if __APPLE__ - - .align 2 -DEFINE_COMPILERRT_PRIVATE_FUNCTION(__sync_synchronize) - stmfd sp!, {r7, lr} - add r7, sp, #0 - bl _OSMemoryBarrier - ldmfd sp!, {r7, pc} - - // tell linker it can break up file at label boundaries - .subsections_via_symbols - -#endif |