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%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
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