diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2021-05-24 18:03:03 -0700 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-05-25 16:01:44 +0100 |
| commit | d782d3ca9fc2f572607fe03b6e55514716981157 (patch) | |
| tree | 4195e43693e4915fd12252dd144b1c6113e63442 /target/arm/sve_helper.c | |
| parent | 45a32e80b913c25fbdff661e9fcd5ea2f164a1f9 (diff) | |
target/arm: Implement SVE2 complex integer multiply-add
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-38-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/sve_helper.c')
| -rw-r--r-- | target/arm/sve_helper.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c index c1a92a2ba5..263663cfc4 100644 --- a/target/arm/sve_helper.c +++ b/target/arm/sve_helper.c @@ -1453,6 +1453,52 @@ DO_SQDMLAL(sve2_sqdmlsl_zzzw_d, int64_t, int32_t, , H1_4, #undef DO_SQDMLAL +#define DO_CMLA_FUNC(NAME, TYPE, H, OP) \ +void HELPER(NAME)(void *vd, void *vn, void *vm, void *va, uint32_t desc) \ +{ \ + intptr_t i, opr_sz = simd_oprsz(desc) / sizeof(TYPE); \ + int rot = simd_data(desc); \ + int sel_a = rot & 1, sel_b = sel_a ^ 1; \ + bool sub_r = rot == 1 || rot == 2; \ + bool sub_i = rot >= 2; \ + TYPE *d = vd, *n = vn, *m = vm, *a = va; \ + for (i = 0; i < opr_sz; i += 2) { \ + TYPE elt1_a = n[H(i + sel_a)]; \ + TYPE elt2_a = m[H(i + sel_a)]; \ + TYPE elt2_b = m[H(i + sel_b)]; \ + d[H(i)] = OP(elt1_a, elt2_a, a[H(i)], sub_r); \ + d[H(i + 1)] = OP(elt1_a, elt2_b, a[H(i + 1)], sub_i); \ + } \ +} + +#define DO_CMLA(N, M, A, S) (A + (N * M) * (S ? -1 : 1)) + +DO_CMLA_FUNC(sve2_cmla_zzzz_b, uint8_t, H1, DO_CMLA) +DO_CMLA_FUNC(sve2_cmla_zzzz_h, uint16_t, H2, DO_CMLA) +DO_CMLA_FUNC(sve2_cmla_zzzz_s, uint32_t, H4, DO_CMLA) +DO_CMLA_FUNC(sve2_cmla_zzzz_d, uint64_t, , DO_CMLA) + +#define DO_SQRDMLAH_B(N, M, A, S) \ + do_sqrdmlah_b(N, M, A, S, true) +#define DO_SQRDMLAH_H(N, M, A, S) \ + ({ uint32_t discard; do_sqrdmlah_h(N, M, A, S, true, &discard); }) +#define DO_SQRDMLAH_S(N, M, A, S) \ + ({ uint32_t discard; do_sqrdmlah_s(N, M, A, S, true, &discard); }) +#define DO_SQRDMLAH_D(N, M, A, S) \ + do_sqrdmlah_d(N, M, A, S, true) + +DO_CMLA_FUNC(sve2_sqrdcmlah_zzzz_b, int8_t, H1, DO_SQRDMLAH_B) +DO_CMLA_FUNC(sve2_sqrdcmlah_zzzz_h, int16_t, H2, DO_SQRDMLAH_H) +DO_CMLA_FUNC(sve2_sqrdcmlah_zzzz_s, int32_t, H4, DO_SQRDMLAH_S) +DO_CMLA_FUNC(sve2_sqrdcmlah_zzzz_d, int64_t, , DO_SQRDMLAH_D) + +#undef DO_CMLA +#undef DO_CMLA_FUNC +#undef DO_SQRDMLAH_B +#undef DO_SQRDMLAH_H +#undef DO_SQRDMLAH_S +#undef DO_SQRDMLAH_D + #define DO_BITPERM(NAME, TYPE, OP) \ void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \ { \ |