%default {"instr":""} | |
/* | |
* Generic 32-bit unary operation. Provide an "instr" line that | |
* specifies an instruction that performs "result = op eax". | |
*/ | |
/* unop vA, vB */ | |
movzbl rINSTbl,%ecx # ecx <- A+ | |
sarl $$4,rINST # rINST <- B | |
GET_VREG %eax, rINST # eax <- vB | |
andb $$0xf,%cl # ecx <- A | |
$instr | |
SET_VREG %eax, %ecx | |
ADVANCE_PC_FETCH_AND_GOTO_NEXT 1 |