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| author | Stephen Long <steplong@quicinc.com> | 2021-05-24 18:03:39 -0700 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-05-25 16:01:44 +0100 |
| commit | 83c2523f80ddef26b1c295db388f55ca95d8dd79 (patch) | |
| tree | ef5d979a465fd528ccddf53d59d3ade8dde0fc95 /target/arm/sve_helper.c | |
| parent | 5c1b7226f554d00ce4c0692e826612aefc8eeb3d (diff) | |
| download | qemu-83c2523f80ddef26b1c295db388f55ca95d8dd79.zip qemu-83c2523f80ddef26b1c295db388f55ca95d8dd79.tar.gz qemu-83c2523f80ddef26b1c295db388f55ca95d8dd79.tar.bz2 | |
target/arm: Implement SVE2 FCVTLT
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stephen Long <steplong@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-74-richard.henderson@linaro.org
Message-Id: <20200428174332.17162-3-steplong@quicinc.com>
Signed-off-by: Richard Henderson <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 | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c index d44bcfa..8882393 100644 --- a/target/arm/sve_helper.c +++ b/target/arm/sve_helper.c @@ -7622,3 +7622,26 @@ void HELPER(NAME)(void *vd, void *vn, void *vg, void *status, uint32_t desc) \ DO_FCVTNT(sve2_fcvtnt_sh, uint32_t, uint16_t, H1_4, H1_2, sve_f32_to_f16) DO_FCVTNT(sve2_fcvtnt_ds, uint64_t, uint32_t, , H1_4, float64_to_float32) + +#define DO_FCVTLT(NAME, TYPEW, TYPEN, HW, HN, OP) \ +void HELPER(NAME)(void *vd, void *vn, void *vg, void *status, uint32_t desc) \ +{ \ + intptr_t i = simd_oprsz(desc); \ + uint64_t *g = vg; \ + do { \ + uint64_t pg = g[(i - 1) >> 6]; \ + do { \ + i -= sizeof(TYPEW); \ + if (likely((pg >> (i & 63)) & 1)) { \ + TYPEN nn = *(TYPEN *)(vn + HN(i + sizeof(TYPEN))); \ + *(TYPEW *)(vd + HW(i)) = OP(nn, status); \ + } \ + } while (i & 63); \ + } while (i != 0); \ +} + +DO_FCVTLT(sve2_fcvtlt_hs, uint32_t, uint16_t, H1_4, H1_2, sve_f16_to_f32) +DO_FCVTLT(sve2_fcvtlt_sd, uint64_t, uint32_t, , H1_4, float32_to_float64) + +#undef DO_FCVTLT +#undef DO_FCVTNT |