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For SVE, this bit remains zero. For do_FMLAL_zzzw, this requires no change. For do_FMLAL_zzxw, move the index up one bit. Read fz16 directly from env->fpcr. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/tcg/translate-sve.c | 2 +- target/arm/tcg/vec_helper.c | 8 +++++--- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/target/arm/tcg/translate-sve.c b/target/arm/tcg/translate-sve.c index 87b6e4a88e..7f8ca78a91 100644 --- a/target/arm/tcg/translate-sve.c +++ b/target/arm/tcg/translate-sve.c @@ -7168,7 +7168,7 @@ static bool do_FMLAL_zzxw(DisasContext *s, arg_rrxr_e= sz *a, bool sub, bool sel) { return gen_gvec_ptr_zzzz(s, gen_helper_sve2_fmlal_zzxw_s, a->rd, a->rn, a->rm, a->ra, - (a->index << 2) | (sel << 1) | sub, tcg_env); + (a->index << 3) | (sel << 1) | sub, tcg_env); } =20 TRANS_FEAT(FMLALB_zzxw, aa64_sve2, do_FMLAL_zzxw, a, false, false) diff --git a/target/arm/tcg/vec_helper.c b/target/arm/tcg/vec_helper.c index 671777ce52..16ddd35239 100644 --- a/target/arm/tcg/vec_helper.c +++ b/target/arm/tcg/vec_helper.c @@ -2191,7 +2191,8 @@ void HELPER(sve2_fmlal_zzzw_s)(void *vd, void *vn, vo= id *vm, void *va, intptr_t i, oprsz =3D simd_oprsz(desc); bool is_s =3D extract32(desc, SIMD_DATA_SHIFT, 1); intptr_t sel =3D extract32(desc, SIMD_DATA_SHIFT + 1, 1) * sizeof(floa= t16); - float_status *status =3D &env->vfp.fp_status[FPST_A64]; + bool za =3D extract32(desc, SIMD_DATA_SHIFT + 2, 1); + float_status *status =3D &env->vfp.fp_status[za ? FPST_ZA : FPST_A64]; bool fz16 =3D env->vfp.fpcr & FPCR_FZ16; int negx =3D 0, negf =3D 0; =20 @@ -2274,8 +2275,9 @@ void HELPER(sve2_fmlal_zzxw_s)(void *vd, void *vn, vo= id *vm, void *va, intptr_t i, j, oprsz =3D simd_oprsz(desc); bool is_s =3D extract32(desc, SIMD_DATA_SHIFT, 1); intptr_t sel =3D extract32(desc, SIMD_DATA_SHIFT + 1, 1) * sizeof(floa= t16); - intptr_t idx =3D extract32(desc, SIMD_DATA_SHIFT + 2, 3) * sizeof(floa= t16); - float_status *status =3D &env->vfp.fp_status[FPST_A64]; + bool za =3D extract32(desc, SIMD_DATA_SHIFT + 2, 1); + intptr_t idx =3D extract32(desc, SIMD_DATA_SHIFT + 3, 3) * sizeof(floa= t16); + float_status *status =3D &env->vfp.fp_status[za ? FPST_ZA : FPST_A64]; bool fz16 =3D env->vfp.fpcr & FPCR_FZ16; int negx =3D 0, negf =3D 0; =20 --=20 2.43.0