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23 lines
765 B
C
23 lines
765 B
C
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#ifndef COSMOPOLITAN_LIBC_INTRIN_ATOMIC_LOAD_H_
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#define COSMOPOLITAN_LIBC_INTRIN_ATOMIC_LOAD_H_
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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intptr_t atomic_load(void *, size_t);
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#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
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#define atomic_load(MEM) \
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({ \
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autotype(MEM) Mem = (MEM); \
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typeof(*Mem) Reg; \
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asm("mov\t%1,%0" : "=r"(Reg) : "m"(*Mem)); \
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Reg; \
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})
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#else
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#define atomic_load(MEM) atomic_load(MEM, sizeof(*(MEM)))
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#endif /* GNUC && !ANSI && x86 */
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_INTRIN_ATOMIC_LOAD_H_ */
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