blob: cd5defd616dbc05d333edddb3289d8c469a2cc56 [file] [log] [blame]
%default {"preinstr":""}
/*
* Generic 64-bit unary operation. Provide an "instr" line that
* specifies an instruction that performs "result = op r0/r1".
* This could be an ARM instruction or a function call.
*
* For: neg-long, not-long, neg-double, long-to-double, double-to-long
*/
/* unop vA, vB */
mov r3, rINST, lsr #12 @ r3<- B
ubfx rINST, rINST, #8, #4 @ rINST<- A
VREG_INDEX_TO_ADDR r3, r3 @ r3<- &fp[B]
VREG_INDEX_TO_ADDR r9, rINST @ r9<- &fp[A]
ldmia r3, {r0-r1} @ r0/r1<- vAA
CLEAR_SHADOW_PAIR rINST, ip, lr @ Zero shadow regs
FETCH_ADVANCE_INST 1 @ advance rPC, load rINST
$preinstr @ optional op; may set condition codes
$instr @ r0/r1<- op, r2-r3 changed
GET_INST_OPCODE ip @ extract opcode from rINST
stmia r9, {r0-r1} @ vAA<- r0/r1
GOTO_OPCODE ip @ jump to next instruction
/* 10-11 instructions */