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6.56.6.5 Other Built-in Functions
This section describes built-in functions that are not named after a specific FR-V instruction.
sw2 __IACCreadll (iacc reg)
Return the full 64-bit value of IACC0. The reg argument is reserved for future expansion and must be 0.
sw1 __IACCreadl (iacc reg)
Return the value of IACC0H if reg is 0 and IACC0L if reg is 1. Other values of reg are rejected as invalid.
void __IACCsetll (iacc reg, sw2 x)
Set the full 64-bit value of IACC0 to x. The reg argument is reserved for future expansion and must be 0.
void __IACCsetl (iacc reg, sw1 x)
Set IACC0H to x if reg is 0 and IACC0L to x if reg is 1. Other values of reg are rejected as invalid.
void __data_prefetch0 (const void *x)
Use the
dcpl
instruction to load the contents of address x into the data cache.void __data_prefetch (const void *x)
Use the
nldub
instruction to load the contents of address x into the data cache. The instruction is issued in slot I1.
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