psubw             110 libavcodec/ps2/idct_mmi.c         psubw($18, $20, $20);   /* r20 = ()()()(a0-b0) */ \
psubw             144 libavcodec/x86/mmx.h #define         psubw_m2r(var,reg)          mmx_m2r (psubw, var, reg)
psubw             145 libavcodec/x86/mmx.h #define         psubw_r2r(regs,regd)        mmx_r2r (psubw, regs, regd)