| The Android Open Source Project | 2ad60cf | 2008-10-21 07:00:00 -0700 | [diff] [blame^] | 1 | %default {"preinstr":""} |
| 2 | /* |
| 3 | * Generic 32bit-to-64bit unary operation. Provide an "instr" line |
| 4 | * that specifies an instruction that performs "result = op r0", where |
| 5 | * "result" is a 64-bit quantity in r0/r1. |
| 6 | * |
| 7 | * For: int-to-long, int-to-double, float-to-long, float-to-double |
| 8 | */ |
| 9 | /* unop vA, vB */ |
| 10 | mov r9, rINST, lsr #8 @ r9<- A+ |
| 11 | mov r3, rINST, lsr #12 @ r3<- B |
| 12 | and r9, r9, #15 |
| 13 | GET_VREG(r0, r3) @ r0<- vB |
| 14 | add r9, rFP, r9, lsl #2 @ r9<- &fp[A] |
| 15 | $preinstr @ optional op; may set condition codes |
| 16 | FETCH_ADVANCE_INST(1) @ advance rPC, load rINST |
| 17 | $instr @ r0<- op, r0-r3 changed |
| 18 | GET_INST_OPCODE(ip) @ extract opcode from rINST |
| 19 | stmia r9, {r0-r1} @ vA/vA+1<- r0/r1 |
| 20 | GOTO_OPCODE(ip) @ jump to next instruction |
| 21 | /* 10-11 instructions */ |