%verify "executed" /* * Signed 64-bit integer multiply, "/2addr" version. * * See OP_MUL_LONG for an explanation. * * We get a little tight on registers, so to avoid looking up &fp[A] * again we stuff it into rINST. */ /* mul-long/2addr vA, vB */ mov r9, rINST, lsr #8 @ r9<- A+ mov r1, rINST, lsr #12 @ r1<- B and r9, r9, #15 add r1, rFP, r1, lsl #2 @ r1<- &fp[B] add rINST, rFP, r9, lsl #2 @ rINST<- &fp[A] ldmia r1, {r2-r3} @ r2/r3<- vBB/vBB+1 ldmia rINST, {r0-r1} @ r0/r1<- vAA/vAA+1 mul ip, r2, r1 @ ip<- ZxW umull r9, r10, r2, r0 @ r9/r10 <- ZxX mla r2, r0, r3, ip @ r2<- YxX + (ZxW) mov r0, rINST @ r0<- &fp[A] (free up rINST) FETCH_ADVANCE_INST(1) @ advance rPC, load rINST add r10, r2, r10 @ r10<- r10 + low(ZxW + (YxX)) GET_INST_OPCODE(ip) @ extract opcode from rINST stmia r0, {r9-r10} @ vAA/vAA+1<- r9/r10 GOTO_OPCODE(ip) @ jump to next instruction