Cog/Frameworks/lazyusf/lazyusf/rsp/vu/veq.h

47 lines
1.8 KiB
C

/******************************************************************************\
* Authors: Iconoclast *
* Release: 2013.11.26 *
* License: CC0 Public Domain Dedication *
* *
* To the extent possible under law, the author(s) have dedicated all copyright *
* and related and neighboring rights to this software to the public domain *
* worldwide. This software is distributed without any warranty. *
* *
* You should have received a copy of the CC0 Public Domain Dedication along *
* with this software. *
* If not, see <http://creativecommons.org/publicdomain/zero/1.0/>. *
\******************************************************************************/
#include "vu.h"
INLINE static void do_eq(usf_state_t * state, short* VD, short* VS, short* VT)
{
register int i;
for (i = 0; i < N; i++)
state->clip[i] = 0;
for (i = 0; i < N; i++)
state->comp[i] = (VS[i] == VT[i]);
for (i = 0; i < N; i++)
state->comp[i] = state->comp[i] & (state->ne[i] ^ 1);
#if (0)
merge(VACC_L, state->comp, VS, VT); /* correct but redundant */
#else
vector_copy(VACC_L, VT);
#endif
vector_copy(VD, VACC_L);
for (i = 0; i < N; i++)
state->ne[i] = 0;
for (i = 0; i < N; i++)
state->co[i] = 0;
return;
}
static void VEQ(usf_state_t * state, int vd, int vs, int vt, int e)
{
short ST[N];
SHUFFLE_VECTOR(ST, state->VR[vt], e);
do_eq(state, state->VR[vd], state->VR[vs], ST);
return;
}