| 中间代码 | ARM指令 |
|---|---|
| LABEL x: | x |
| x := #k | mov reg(x), #k |
| x := y | mov reg(x), reg(y) |
| x := y + #k | add reg(x), reg(y), #k |
| x := y + z | add reg(x), reg(y), reg(z) |
| x := y - #k | sub reg(x), reg(y), #k |
| x := y - z | sub reg(x), reg(y), reg(z) |
| x := y *z | mul reg(x), reg(y), reg(z) |
| x := y / z | div reg(x), reg(y), reg(z) |
| x := *y | ldr reg(x), [reg(y)] |
| *x = y | str reg(y), [reg(x)] |
| GOTO x | B x |
| x := CALL f | BL f mov reg(x), r0 |
| RETURN x | mov pc, lr |
| IF x == y GOTO z | cmp reg(x), reg(y) beq z |
| IF x != y GOTO z | cmp reg(x), reg(y) bne z |
| IF x > y GOTO z | cmp reg(x), reg(y) bgt z |
| IF x < y GOTO z | cmp reg(x), reg(y) blt z |
| IF x >= y GOTO z | cmp reg(x), reg(y) bge z |
| IF x <= y GOTO z | cmp reg(x), reg(y) ble z |
| x := y % z | div reg_tmp reg(y), reg(z) mul reg_tmp0 reg_tmp0, reg(z) sub reg(x), reg(y), reg_tmp0 |
| FUNCTION f | f |
| PARAM x | |