q/src/arm/Compare.go

18 lines
608 B
Go

package arm
import "git.urbach.dev/cli/q/src/cpu"
// CompareRegisterNumber is an alias for a subtraction that updates the conditional flags and discards the result.
func CompareRegisterNumber(register cpu.Register, number int) uint32 {
if number < 0 {
return addRegisterNumber(ZR, register, -number, 1)
}
return subRegisterNumber(ZR, register, number, 1)
}
// CompareRegisterRegister is an alias for a subtraction that updates the conditional flags and discards the result.
func CompareRegisterRegister(reg1 cpu.Register, reg2 cpu.Register) uint32 {
return subRegisterRegister(ZR, reg1, reg2, 1)
}