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5.45.3.4 Other Built-in Functions
This section describes built-in functions that are not named after a specific FR-V instruction.
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sw2 __IACCreadll (iacc reg) Return the full 64-bit value of IACC0. The reg argument is reserved for future expansion and must be 0.
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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.
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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.
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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.
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void __data_prefetch0 (const void *x) Use the
dcplinstruction to load the contents of address x into the data cache.-
void __data_prefetch (const void *x) Use the
nldubinstruction to load the contents of address x into the data cache. The instruction will be issued in slot I1.