| %default {"instr1":"","instr2":"","instr3":""} | |
| /* | |
| * Generic 64-bit unary operation. | |
| * Operand in %ecx:%eax | |
| * | |
| * For: neg-long, not-long | |
| */ | |
| /* unop vA, vB */ | |
| movzbl rINSTbl,%ecx # ecx<- BA | |
| sarl $$4,%ecx # ecx<- B | |
| andb $$0xf,rINSTbl # rINST<- A | |
| GET_VREG_WORD %eax %ecx 0 # eax<- v[B+0] | |
| GET_VREG_WORD %ecx %ecx 1 # ecx<- v[B+1] | |
| $instr1 # ex: negl %eax | |
| $instr2 # ex: adcl $$0,%ecx | |
| $instr3 # ex: negl %ecx | |
| SET_VREG_WORD %eax rINST 0 # v[A+0] <- eax | |
| GET_INST_OPCODE 1 %eax | |
| SET_VREG_WORD %ecx rINST 1 # v[A+1] <- ecx | |
| ADVANCE_PC 1 | |
| GOTO_NEXT_R %eax |