5.47.4.5 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 will be issued in slot I1.