only available in 16-bit mode, only available when M=1 and N=1
and when Cmaj.min is not 0b001.1.
-instruction counts from objdump on /bin/bash
+instruction counts from objdump on /bin/bash:
+
466 extsw r1,r1
649 stw r1,1(r1)
691 lwz r1,1(r1)
| 1 | i2 | RT | | 010.0 | RA|0 | imm | 1 | addi
| 1 | i2!=0 | | 010.1 | RA | imm | 1 | addis [1]
| 1 | 0 | 0 0 0 | | 010.1 | | | 1 | TBD
- | 1 | i2 | | 011.0 | RA | imm | 1 | cmpdi
- | 1 | i2 | | 011.1 | RA | imm | 1 | cmpwi
+ | 1 | 0 | i2 | | 011.0 | RA | imm | 1 | cmpdi
+ | 1 | 1 | i2 | | 011.0 | RA | imm | 1 | cmpwi
+ | 1 | | | 011.1 | RA | imm | 1 | TBD
| 1 | i2 | | 100.0 | RT | imm | 1 | stwi
| 1 | i2 | | 100.1 | RT | imm | 1 | stdi
| 1 | i2 | | 101.0 | RA | imm | 1 | ldi