%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 | |
GET_INST_OPCODE 1 %edx | |
ADVANCE_PC 1 | |
SET_VREG_WORD %eax rINST 0 # v[A+0] <- eax | |
SET_VREG_WORD %ecx rINST 1 # v[A+1] <- ecx | |
GOTO_NEXT_R %edx |