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target/riscv: Fix vslidedown with rvv_ta_all_1s

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vslidedown always zeroes elements past vl, where it should use the
tail policy.

Signed-off-by: Anton Blanchard <antonb@tenstorrent.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20250414213006.3509058-1-antonb@tenstorrent.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Cc: qemu-stable@nongnu.org
This commit is contained in:
Anton Blanchard 2025-04-14 21:30:06 +00:00 • committed by Alistair Francis
parent 8539a1244b
commit 2669b696e2
1 changed files with 4 additions and 2 deletions
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6
target/riscv/vector_helper.c
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@ -5133,9 +5133,11 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2, \
} \
\
for (i = i_max; i < vl; ++i) { \
if (vm || vext_elem_mask(v0, i)) { \
*((ETYPE *)vd + H(i)) = 0; \
if (!vm && !vext_elem_mask(v0, i)) { \
vext_set_elems_1s(vd, vma, i * esz, (i + 1) * esz); \
continue; \
} \
*((ETYPE *)vd + H(i)) = 0; \
} \
\
env->vstart = 0; \