5.47.4.4 Raw read/write Functions
This sections describes built-in functions related to read and write instructions to access memory. These functions generate membar
instructions to flush the I/O load and stores where appropriate, as described in Fujitsu's manual described above.
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unsigned char __builtin_read8 (void *
data)
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unsigned short __builtin_read16 (void *
data)
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unsigned long __builtin_read32 (void *
data)
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unsigned long long __builtin_read64 (void *
data)
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void __builtin_write8 (void *
data, unsigned char
datum)
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void __builtin_write16 (void *
data, unsigned short
datum)
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void __builtin_write32 (void *
data, unsigned long
datum)
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void __builtin_write64 (void *
data, unsigned long long
datum)