v / thirdparty / stdatomic / nix / atomic.S
94 lines · 77 sloc · 1.96 KB · 8018dde3ea6cb7bf0b3a3c3f08cd893511e92ca2
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1/* ---------------------------------------------- */


2#if defined __i386__


3


4#define endbr32


5


6        .text


7


8        .global _V_atomic_thread_fence


9        .type   _V_atomic_thread_fence, %function


10_V_atomic_thread_fence:


11        endbr32


12        lock orl $0x0,(%esp)


13        ret


14


15#endif //__i386__


16


17/* ---------------------------------------------- */


18#if defined __x86_64__ && !defined _WIN32


19#define endbr64


20        .text


21        .global __atomic_thread_fence


22        .type   __atomic_thread_fence, %function


23__atomic_thread_fence:


24        endbr64


25        lock orq $0x0,(%rsp)


26        ret


27#endif //__x86_64__ && !_WIN32


28


29/* ---------------------------------------------- */


30#if defined __x86_64__ && defined _WIN32


31        .text


32


33        .global _V_atomic_thread_fence


34        .type   _V_atomic_thread_fence, %function


35_V_atomic_thread_fence:


36        lock orq $0x0,(%rsp)


37        ret


38


39#endif //__x86_64__ && _WIN32


40


41/* ---------------------------------------------- */


42#if defined __arm__


43        .text


44#ifndef __TINYC__


45        .arch   armv6k


46        .syntax unified


47#endif


48


49        .global _V_atomic_thread_fence


50        .type   _V_atomic_thread_fence, %function


51_V_atomic_thread_fence:


52#ifdef __TINYC__


53        .int 0xee070fba


54        .int 0xe12fff1e


55#else


56        mcr     p15, #0, r0, c7, c10, #5


57        bx  lr


58


59#endif


60#endif //__arm__


61


62/* ---------------------------------------------- */


63#if defined __aarch64__


64        .text


65


66        .global _V_atomic_thread_fence


67        .type   _V_atomic_thread_fence, %function


68_V_atomic_thread_fence:


69#ifdef __TINYC__


70        .int 0xd5033bbf


71        .int 0xd65f03c0


72#else


73        dmb ish


74        ret


75


76#endif


77#endif //__aarch64__


78


79/* ---------------------------------------------- */


80#if defined __riscv


81        .text


82


83        .global _V_atomic_thread_fence


84        .type   _V_atomic_thread_fence, %function


85_V_atomic_thread_fence:


86#ifdef __TINYC__


87        .int 0x0330000f


88        .short 0x8082


89#else


90        fence   rw,rw


91        ret


92


93#endif


94#endif //__riscv


95