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/*
* Generic 64-bit double-precision floating point binary operation.
* Provide an "instr" line that specifies an instruction that performs
* "d2 = d0 op d1".
*
* for: add-double, sub-double, mul-double, div-double
*/
/* doubleop vAA, vBB, vCC */
FETCH r0, 1 @ r0<- CCBB
mov r9, rINST, lsr #8 @ r9<- AA
mov r3, r0, lsr #8 @ r3<- CC
and r2, r0, #255 @ r2<- BB
VREG_INDEX_TO_ADDR r3, r3 @ r3<- &vCC
VREG_INDEX_TO_ADDR r2, r2 @ r2<- &vBB
fldd d1, [r3] @ d1<- vCC
fldd d0, [r2] @ d0<- vBB
FETCH_ADVANCE_INST 2 @ advance rPC, load rINST
$instr @ s2<- op
CLEAR_SHADOW_PAIR r9, ip, lr @ Zero shadow regs
GET_INST_OPCODE ip @ extract opcode from rINST
VREG_INDEX_TO_ADDR r9, r9 @ r9<- &vAA
fstd d2, [r9] @ vAA<- d2
GOTO_OPCODE ip @ jump to next instruction
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