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| author | Richard Henderson <richard.henderson@linaro.org> | 2021-05-24 18:03:00 -0700 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-05-25 16:01:44 +0100 |
| commit | bfc9307ee1ccec92ba7191c307f4aa3bb0eb6eac (patch) | |
| tree | 5f47e5b631af12d33829150387a74022dc6a8938 /target/arm/sve_helper.c | |
| parent | e0ae6ec38329b48b4e69a2f67d4d88b732d9d823 (diff) | |
| download | qemu-bfc9307ee1ccec92ba7191c307f4aa3bb0eb6eac.zip qemu-bfc9307ee1ccec92ba7191c307f4aa3bb0eb6eac.tar.gz qemu-bfc9307ee1ccec92ba7191c307f4aa3bb0eb6eac.tar.bz2 | |
target/arm: Implement SVE2 saturating multiply-add long
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-35-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 | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c index f325016..ad21124 100644 --- a/target/arm/sve_helper.c +++ b/target/arm/sve_helper.c @@ -1405,6 +1405,36 @@ void HELPER(sve2_adcl_d)(void *vd, void *vn, void *vm, void *va, uint32_t desc) } } +#define DO_SQDMLAL(NAME, TYPEW, TYPEN, HW, HN, DMUL_OP, SUM_OP) \ +void HELPER(NAME)(void *vd, void *vn, void *vm, void *va, uint32_t desc) \ +{ \ + intptr_t i, opr_sz = simd_oprsz(desc); \ + int sel1 = extract32(desc, SIMD_DATA_SHIFT, 1) * sizeof(TYPEN); \ + int sel2 = extract32(desc, SIMD_DATA_SHIFT + 1, 1) * sizeof(TYPEN); \ + for (i = 0; i < opr_sz; i += sizeof(TYPEW)) { \ + TYPEW nn = *(TYPEN *)(vn + HN(i + sel1)); \ + TYPEW mm = *(TYPEN *)(vm + HN(i + sel2)); \ + TYPEW aa = *(TYPEW *)(va + HW(i)); \ + *(TYPEW *)(vd + HW(i)) = SUM_OP(aa, DMUL_OP(nn, mm)); \ + } \ +} + +DO_SQDMLAL(sve2_sqdmlal_zzzw_h, int16_t, int8_t, H1_2, H1, + do_sqdmull_h, DO_SQADD_H) +DO_SQDMLAL(sve2_sqdmlal_zzzw_s, int32_t, int16_t, H1_4, H1_2, + do_sqdmull_s, DO_SQADD_S) +DO_SQDMLAL(sve2_sqdmlal_zzzw_d, int64_t, int32_t, , H1_4, + do_sqdmull_d, do_sqadd_d) + +DO_SQDMLAL(sve2_sqdmlsl_zzzw_h, int16_t, int8_t, H1_2, H1, + do_sqdmull_h, DO_SQSUB_H) +DO_SQDMLAL(sve2_sqdmlsl_zzzw_s, int32_t, int16_t, H1_4, H1_2, + do_sqdmull_s, DO_SQSUB_S) +DO_SQDMLAL(sve2_sqdmlsl_zzzw_d, int64_t, int32_t, , H1_4, + do_sqdmull_d, do_sqsub_d) + +#undef DO_SQDMLAL + #define DO_BITPERM(NAME, TYPE, OP) \ void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \ { \ |