| %default {"preinstr":""} | |
| /* | |
| * Generic 64-bit unary operation. Provide an "instr" line that | |
| * specifies an instruction that performs "result = op r0/r1". | |
| * This could be an ARM instruction or a function call. | |
| * | |
| * For: neg-long, not-long, neg-double, long-to-double, double-to-long | |
| */ | |
| /* unop vA, vB */ | |
| mov r3, rINST, lsr #12 @ r3<- B | |
| ubfx rINST, rINST, #8, #4 @ rINST<- A | |
| VREG_INDEX_TO_ADDR r3, r3 @ r3<- &fp[B] | |
| VREG_INDEX_TO_ADDR r9, rINST @ r9<- &fp[A] | |
| ldmia r3, {r0-r1} @ r0/r1<- vAA | |
| CLEAR_SHADOW_PAIR rINST, ip, lr @ Zero shadow regs | |
| FETCH_ADVANCE_INST 1 @ advance rPC, load rINST | |
| $preinstr @ optional op; may set condition codes | |
| $instr @ r0/r1<- op, r2-r3 changed | |
| GET_INST_OPCODE ip @ extract opcode from rINST | |
| stmia r9, {r0-r1} @ vAA<- r0/r1 | |
| GOTO_OPCODE ip @ jump to next instruction | |
| /* 10-11 instructions */ |