72 lines
2.4 KiB
C
72 lines
2.4 KiB
C
/******************************************************************************\
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* Authors: Iconoclast *
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* Release: 2013.11.26 *
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* License: CC0 Public Domain Dedication *
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* *
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* To the extent possible under law, the author(s) have dedicated all copyright *
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* and related and neighboring rights to this software to the public domain *
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* worldwide. This software is distributed without any warranty. *
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* *
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* You should have received a copy of the CC0 Public Domain Dedication along *
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* with this software. *
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* If not, see <http://creativecommons.org/publicdomain/zero/1.0/>. *
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\******************************************************************************/
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#include "vu.h"
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INLINE static void do_eq(usf_state_t * state, short* VD, short* VS, short* VT)
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{
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register int i;
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#ifdef ARCH_MIN_ARM_NEON
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int16x8_t one = vdupq_n_s16(1);
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int16x8_t zero = vdupq_n_s16(0);
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int16x8_t vs = vld1q_s16((const int16_t *)VS);
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int16x8_t vt = vld1q_s16((const int16_t *)VT);
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int16x8_t v_ne = vld1q_s16((const int16_t *)state->ne);
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uint16x8_t v_comp = vceqq_s16(vs, vt);
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int16x8_t v_comp_ = vnegq_s16((int16x8_t)v_comp);
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v_ne = veorq_s16(v_ne, one);
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v_comp_ = vandq_s16(v_comp_, v_ne);
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vector_copy(VACC_L, VT);
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vector_copy(VD, VACC_L);
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vst1q_s16(state->comp,v_comp_);
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vst1q_s16(state->ne,zero);
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vst1q_s16(state->co,zero);
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return;
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#else
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for (i = 0; i < N; i++)
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state->clip[i] = 0;
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for (i = 0; i < N; i++)
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state->comp[i] = (VS[i] == VT[i]);
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for (i = 0; i < N; i++)
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state->comp[i] = state->comp[i] & (state->ne[i] ^ 1);
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#if (0)
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merge(VACC_L, state->comp, VS, VT); /* correct but redundant */
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#else
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vector_copy(VACC_L, VT);
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#endif
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vector_copy(VD, VACC_L);
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for (i = 0; i < N; i++)
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state->ne[i] = 0;
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for (i = 0; i < N; i++)
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state->co[i] = 0;
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return;
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#endif
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}
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static void VEQ(usf_state_t * state, int vd, int vs, int vt, int e)
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{
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ALIGNED short ST[N];
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SHUFFLE_VECTOR(ST, state->VR[vt], e);
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do_eq(state, state->VR[vd], state->VR[vs], ST);
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return;
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}
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