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target/arm: Implement SME MOVA

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We can reuse the SVE functions for implementing moves to/from
horizontal tile slices, but we need new ones for moves to/from
vertical tile slices.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220708151540.18136-20-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2022-07-08 20:45:14 +05:30 • committed by Peter Maydell
parent ad939afbfa
commit e9ad3ef19e
8 changed files with 331 additions and 1 deletions
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12
target/arm/sve_helper.c
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@ -3565,6 +3565,18 @@ void HELPER(sve_sel_zpzz_d)(void *vd, void *vn, void *vm,
}
}
void HELPER(sve_sel_zpzz_q)(void *vd, void *vn, void *vm,
void *vg, uint32_t desc)
{
intptr_t i, opr_sz = simd_oprsz(desc) / 16;
Int128 *d = vd, *n = vn, *m = vm;
uint16_t *pg = vg;
for (i = 0; i < opr_sz; i += 1) {
d[i] = (pg[H2(i)] & 1 ? n : m)[i];
}
}
/* Two operand comparison controlled by a predicate.
* ??? It is very tempting to want to be able to expand this inline
* with x86 instructions, e.g.