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target/arm: Vectorize SABD/UABD

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Include 64-bit element size in preparation for SVE2.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200513163245.17915-16-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2020-05-13 09:32:44 -07:00 • committed by Peter Maydell
parent 525d9b6d42
commit 50c160d44e
5 changed files with 176 additions and 4 deletions
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24
target/arm/vec_helper.c
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@ -1407,3 +1407,27 @@ DO_CMP0(gvec_cgt0_h, int16_t, >)
DO_CMP0(gvec_cge0_h, int16_t, >=)
#undef DO_CMP0
#define DO_ABD(NAME, TYPE) \
void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \
{ \
intptr_t i, opr_sz = simd_oprsz(desc); \
TYPE *d = vd, *n = vn, *m = vm; \
\
for (i = 0; i < opr_sz / sizeof(TYPE); ++i) { \
d[i] = n[i] < m[i] ? m[i] - n[i] : n[i] - m[i]; \
} \
clear_tail(d, opr_sz, simd_maxsz(desc)); \
}
DO_ABD(gvec_sabd_b, int8_t)
DO_ABD(gvec_sabd_h, int16_t)
DO_ABD(gvec_sabd_s, int32_t)
DO_ABD(gvec_sabd_d, int64_t)
DO_ABD(gvec_uabd_b, uint8_t)
DO_ABD(gvec_uabd_h, uint16_t)
DO_ABD(gvec_uabd_s, uint32_t)
DO_ABD(gvec_uabd_d, uint64_t)
#undef DO_ABD