257   FIXP_DBL accu1, accu2, accu3, accu4, accuX;  in dct_IV_func2()  local
260   accu1 = pDat_1[-2];  in dct_IV_func2()
277     SMLAWB  accuX, accu1, val_tw, accuX  in dct_IV_func2()
278     SMLAWT  accu2, accu1, val_tw, accu2  in dct_IV_func2()
290     LDR     accu1, [pDat_1, #-8]  in dct_IV_func2()
302     SMLAWB  accuX, accu1, val_tw, accuX  in dct_IV_func2()
303     SMLAWT  accu2, accu1, val_tw, accu2  in dct_IV_func2()
315     LDR     accu1, [pDat_1, #-8]  in dct_IV_func2()
328   accu1 = fMultDiv2(accu1, WTC(0x5a82799a));  in dct_IV_func2()
331   *--pDat_1 = accu1 + accu2;  in dct_IV_func2()
332   *pDat_0++ = accu1 - accu2;  in dct_IV_func2()
477   FIXP_DBL accu1, accu2, accu3, accu4;  in dst_IV_func2()  local
486   accu1 = pDat_1[-1];  in dst_IV_func2()
502     RSB     accu1, accu1, #0  // accu1 = -accu1  in dst_IV_func2()
504     SMULWT  accu4, accu1, val_tw  // accu4 = (-accu1)*val_tw.l  in dst_IV_func2()
506     SMLAWB  accu1, accu1, val_tw, accu3  // accu1 = -accu1*val_tw.h-(-accu2)*val_tw.l  in dst_IV_func2()
508     STR     accu1, [pDat_1], #-4  // *pDat_1-- = accu1  in dst_IV_func2()
517     SMULWB  accu1, accu3, val_tw  // accu1 = (-accu3)*val_tw.h  in dst_IV_func2()
519     RSB     accu1, accu1, #0  // accu1 = -(-accu3)*val_tw.h  in dst_IV_func2()
520     SMLAWT  accu3, accu4, val_tw, accu1  // accu3 = (-accu4)*val_tw.l-(-accu3)*val_tw.h  in dst_IV_func2()
523     LDR     accu1, [pDat_1, #-4]  // accu1 = pDat_1[-1]  in dst_IV_func2()
534     RSB     accu1, accu1, #0  // accu1 = -accu1  in dst_IV_func2()
536     SMULWT  accu4, accu1, val_tw  // accu4 = (-accu1)*val_tw.l  in dst_IV_func2()
538     SMLAWB  accu1, accu1, val_tw, accu3  // accu1 = -accu1*val_tw.h-(-accu2)*val_tw.l  in dst_IV_func2()
540     STR     accu1, [pDat_1], #-4  // *pDat_1-- = accu1  in dst_IV_func2()
549     SMULWB  accu1, accu3, val_tw  // accu1 = (-accu3)*val_tw.h  in dst_IV_func2()
551     RSB     accu1, accu1, #0  // accu1 = -(-accu3)*val_tw.h  in dst_IV_func2()
552     SMLAWT  accu3, accu4, val_tw, accu1  // accu3 = (-accu4)*val_tw.l-(-accu3)*val_tw.h  in dst_IV_func2()
555     LDR     accu1, [pDat_1, #-4]  // accu1 = pDat_1[-1]  in dst_IV_func2()
566   accu1 = fMultDiv2(-accu1, WTC(0x5a82799a));  in dst_IV_func2()
569   *pDat_0 = accu1 + accu2;  in dst_IV_func2()
570   *pDat_1 = accu1 - accu2;  in dst_IV_func2()