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| author | Peter Maydell <peter.maydell@linaro.org> | 2021-06-17 13:15:46 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-06-21 16:49:38 +0100 |
| commit | 2fc6b7510c6859478264b7402ba01dbee86b7e46 (patch) | |
| tree | 3ab48286e845fc2af5136b963b407f19294857bb /target/arm/translate-mve.c | |
| parent | 507b6a500c2f0f6cf6182aa69efac4c20eb3e97b (diff) | |
| download | qemu-2fc6b7510c6859478264b7402ba01dbee86b7e46.zip qemu-2fc6b7510c6859478264b7402ba01dbee86b7e46.tar.gz qemu-2fc6b7510c6859478264b7402ba01dbee86b7e46.tar.bz2 | |
target/arm: Implement widening/narrowing MVE VLDR/VSTR insns
Implement the variants of MVE VLDR (encodings T1, T2) which perform
"widening" loads where bytes or halfwords are loaded from memory and
zero or sign-extended into halfword or word length vector elements,
and the narrowing MVE VSTR (encodings T1, T2) where bytes or
halfwords are stored from halfword or word elements.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210617121628.20116-3-peter.maydell@linaro.org
Diffstat (limited to 'target/arm/translate-mve.c')
| -rw-r--r-- | target/arm/translate-mve.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c index f98bd6d..4cabdf7 100644 --- a/target/arm/translate-mve.c +++ b/target/arm/translate-mve.c @@ -146,3 +146,17 @@ static bool trans_VLDR_VSTR(DisasContext *s, arg_VLDR_VSTR *a) }; return do_ldst(s, a, ldstfns[a->size][a->l]); } + +#define DO_VLDST_WIDE_NARROW(OP, SLD, ULD, ST) \ + static bool trans_##OP(DisasContext *s, arg_VLDR_VSTR *a) \ + { \ + static MVEGenLdStFn * const ldstfns[2][2] = { \ + { gen_helper_mve_##ST, gen_helper_mve_##SLD }, \ + { NULL, gen_helper_mve_##ULD }, \ + }; \ + return do_ldst(s, a, ldstfns[a->u][a->l]); \ + } + +DO_VLDST_WIDE_NARROW(VLDSTB_H, vldrb_sh, vldrb_uh, vstrb_h) +DO_VLDST_WIDE_NARROW(VLDSTB_W, vldrb_sw, vldrb_uw, vstrb_w) +DO_VLDST_WIDE_NARROW(VLDSTH_W, vldrh_sw, vldrh_uw, vstrh_w) |