Serguei Katkov | 6cbe081 | 2016-03-01 16:10:48 +0600 | [diff] [blame] | 1 | %default {"result":"%eax"} |
| 2 | /* |
| 3 | * Generic 32-bit binary operation. Provide an "instr" line that |
| 4 | * specifies an instruction that performs "result = eax op (rFP,%ecx,4)". |
| 5 | * This could be an x86 instruction or a function call. (If the result |
| 6 | * comes back in a register other than eax, you can override "result".) |
| 7 | * |
| 8 | * For: add-int, sub-int, and-int, or-int, |
| 9 | * xor-int, shl-int, shr-int, ushr-int |
| 10 | */ |
| 11 | /* binop vAA, vBB, vCC */ |
| 12 | movzbq 2(rPC), %rax # rax <- BB |
| 13 | movzbq 3(rPC), %rcx # rcx <- CC |
| 14 | GET_VREG %eax, %rax # eax <- vBB |
| 15 | $instr # ex: addl (rFP,%rcx,4),%eax |
| 16 | SET_VREG $result, rINSTq |
| 17 | ADVANCE_PC_FETCH_AND_GOTO_NEXT 2 |