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| author | Richard Henderson | 2020-08-28 11:02:50 +0200 |
|---|---|---|
| committer | Peter Maydell | 2020-08-28 11:02:50 +0200 |
| commit | 3607440c4df6498585a570cfc1041e4972b41b56 (patch) | |
| tree | 59e1c0368280d77d24e89f9d359c03b753a0dea1 /target/arm/vec_helper.c | |
| parent | target/arm: Convert integer multiply (indexed) to gvec for aa64 advsimd (diff) | |
| download | qemu-3607440c4df6498585a570cfc1041e4972b41b56.tar.gz qemu-3607440c4df6498585a570cfc1041e4972b41b56.tar.xz qemu-3607440c4df6498585a570cfc1041e4972b41b56.zip | |
target/arm: Convert integer multiply-add (indexed) to gvec for aa64 advsimd
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20200815013145.539409-20-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/vec_helper.c')
| -rw-r--r-- | target/arm/vec_helper.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/target/arm/vec_helper.c b/target/arm/vec_helper.c index 155b6368cb..9e93a8a154 100644 --- a/target/arm/vec_helper.c +++ b/target/arm/vec_helper.c @@ -731,6 +731,31 @@ DO_MUL_IDX(gvec_mul_idx_d, uint64_t, ) #undef DO_MUL_IDX +#define DO_MLA_IDX(NAME, TYPE, OP, H) \ +void HELPER(NAME)(void *vd, void *vn, void *vm, void *va, uint32_t desc) \ +{ \ + intptr_t i, j, oprsz = simd_oprsz(desc), segment = 16 / sizeof(TYPE); \ + intptr_t idx = simd_data(desc); \ + TYPE *d = vd, *n = vn, *m = vm, *a = va; \ + for (i = 0; i < oprsz / sizeof(TYPE); i += segment) { \ + TYPE mm = m[H(i + idx)]; \ + for (j = 0; j < segment; j++) { \ + d[i + j] = a[i + j] OP n[i + j] * mm; \ + } \ + } \ + clear_tail(d, oprsz, simd_maxsz(desc)); \ +} + +DO_MLA_IDX(gvec_mla_idx_h, uint16_t, +, H2) +DO_MLA_IDX(gvec_mla_idx_s, uint32_t, +, H4) +DO_MLA_IDX(gvec_mla_idx_d, uint64_t, +, ) + +DO_MLA_IDX(gvec_mls_idx_h, uint16_t, -, H2) +DO_MLA_IDX(gvec_mls_idx_s, uint32_t, -, H4) +DO_MLA_IDX(gvec_mls_idx_d, uint64_t, -, ) + +#undef DO_MLA_IDX + #define DO_FMUL_IDX(NAME, TYPE, H) \ void HELPER(NAME)(void *vd, void *vn, void *vm, void *stat, uint32_t desc) \ { \ |