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| author | Peter Maydell | 2021-09-01 10:02:38 +0200 |
|---|---|---|
| committer | Peter Maydell | 2021-09-01 12:08:17 +0200 |
| commit | 2ec0dcf034b6954eb6d0b03ae83fba015e263c27 (patch) | |
| tree | e10b2c0f39df07d6cd589dc87a493b576b415006 /target/arm/translate-mve.c | |
| parent | target/arm: Implement MVE VCVT between floating and fixed point (diff) | |
| download | qemu-2ec0dcf034b6954eb6d0b03ae83fba015e263c27.tar.gz qemu-2ec0dcf034b6954eb6d0b03ae83fba015e263c27.tar.xz qemu-2ec0dcf034b6954eb6d0b03ae83fba015e263c27.zip | |
target/arm: Implement MVE VCVT between fp and integer
Implement the MVE "VCVT (between floating-point and integer)" insn.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/arm/translate-mve.c')
| -rw-r--r-- | target/arm/translate-mve.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c index 9269dbc332..351033af1e 100644 --- a/target/arm/translate-mve.c +++ b/target/arm/translate-mve.c @@ -543,6 +543,38 @@ DO_1OP(VQNEG, vqneg) DO_1OP(VMAXA, vmaxa) DO_1OP(VMINA, vmina) +/* + * For simple float/int conversions we use the fixed-point + * conversion helpers with a zero shift count + */ +#define DO_VCVT(INSN, HFN, SFN) \ + static void gen_##INSN##h(TCGv_ptr env, TCGv_ptr qd, TCGv_ptr qm) \ + { \ + gen_helper_mve_##HFN(env, qd, qm, tcg_constant_i32(0)); \ + } \ + static void gen_##INSN##s(TCGv_ptr env, TCGv_ptr qd, TCGv_ptr qm) \ + { \ + gen_helper_mve_##SFN(env, qd, qm, tcg_constant_i32(0)); \ + } \ + static bool trans_##INSN(DisasContext *s, arg_1op *a) \ + { \ + static MVEGenOneOpFn * const fns[] = { \ + NULL, \ + gen_##INSN##h, \ + gen_##INSN##s, \ + NULL, \ + }; \ + if (!dc_isar_feature(aa32_mve_fp, s)) { \ + return false; \ + } \ + return do_1op(s, a, fns[a->size]); \ + } + +DO_VCVT(VCVT_SF, vcvt_sh, vcvt_sf) +DO_VCVT(VCVT_UF, vcvt_uh, vcvt_uf) +DO_VCVT(VCVT_FS, vcvt_hs, vcvt_fs) +DO_VCVT(VCVT_FU, vcvt_hu, vcvt_fu) + /* Narrowing moves: only size 0 and 1 are valid */ #define DO_VMOVN(INSN, FN) \ static bool trans_##INSN(DisasContext *s, arg_1op *a) \ |