82     x7 = vec_sub(b0, b7);               /* x7 = b0 - b7; */         \
105     x0   = vec_add(x4, x7);             /* x0 = x4 + x7; */         \
108     x3   = vec_add(x5, x7);             /* x3 = x5 + x7; */         \
129     b1   = vec_madd(cnst, x7, x0);      /* b1 = x7 * W7 + x0; */    \
139     x7 = vec_sub(b0, b7);               /* x7 = b0 - b7; */         \
162     x0   = vec_add(x4, x7);             /* x0 = x4 + x7; */         \
165     x3   = vec_add(x5, x7);             /* x3 = x5 + x7; */         \
186     b1   = vec_madd(cnst, x7, x0);      /* b1 = x7 * W7 + x0; */    \
202     vector float x0, x1, x2, x3, x4, x5, x6, x7, x8;  in ff_fdct_altivec()  local
246     x7 = ((vector float) MERGE_S16(l, b31, b71));  in ff_fdct_altivec()
254     b60 = ((vector float) MERGE_S16(h, x3, x7));  in ff_fdct_altivec()
255     b70 = ((vector float) MERGE_S16(l, x3, x7));  in ff_fdct_altivec()
266     x7 = ((vector float) vec_sub(vs16(b00), vs16(b70)));  in ff_fdct_altivec()
319     CTFX(x7, b1);  in ff_fdct_altivec()
400     x7 = vec_mergeh(b51, b71);  in ff_fdct_altivec()
402     b41 = vec_mergeh(x5, x7);  in ff_fdct_altivec()
403     b51 = vec_mergel(x5, x7);  in ff_fdct_altivec()
415     x7 = vec_mergeh(b50, b70);  in ff_fdct_altivec()
422     b01 = vec_mergeh(x5, x7);  in ff_fdct_altivec()
423     b11 = vec_mergel(x5, x7);  in ff_fdct_altivec()