| %default {"result":"%eax"} |
| /* |
| * Generic 32-bit "lit16" binary operation. Provide an "instr" line |
| * that specifies an instruction that performs "result = eax op ecx". |
| * This could be an x86 instruction or a function call. (If the result |
| * comes back in a register other than eax, you can override "result".) |
| * |
| * For: add-int/lit16, rsub-int, |
| * and-int/lit16, or-int/lit16, xor-int/lit16 |
| */ |
| /* binop/lit16 vA, vB, #+CCCC */ |
| movzbl rINSTbl, %eax # eax <- 000000BA |
| sarl $$4, %eax # eax <- B |
| GET_VREG %eax, %eax # eax <- vB |
| movswl 2(rPC), %ecx # ecx <- ssssCCCC |
| andb $$0xf, rINSTbl # rINST <- A |
| $instr # for example: addl %ecx, %eax |
| SET_VREG $result, rINST |
| ADVANCE_PC_FETCH_AND_GOTO_NEXT 2 |
