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The functions listed below map directly to FR-V I-type instructions.
| Function prototype | Example usage | Assembly output |
sw1 __ADDSS (sw1, sw1) | c = __ADDSS (a, b) | ADDSS a,b,c |
sw1 __SCAN (sw1, sw1) | c = __SCAN (a, b) | SCAN a,b,c |
sw1 __SCUTSS (sw1) | b = __SCUTSS (a) | SCUTSS a,b |
sw1 __SLASS (sw1, sw1) | c = __SLASS (a, b) | SLASS a,b,c |
void __SMASS (sw1, sw1) | __SMASS (a, b) | SMASS a,b |
void __SMSSS (sw1, sw1) | __SMSSS (a, b) | SMSSS a,b |
void __SMU (sw1, sw1) | __SMU (a, b) | SMU a,b |
sw2 __SMUL (sw1, sw1) | c = __SMUL (a, b) | SMUL a,b,c |
sw1 __SUBSS (sw1, sw1) | c = __SUBSS (a, b) | SUBSS a,b,c |
uw2 __UMUL (uw1, uw1) | c = __UMUL (a, b) | UMUL a,b,c |