diff options
Diffstat (limited to 'target/arm/translate-neon.c')
| -rw-r--r-- | target/arm/translate-neon.c | 221 |
1 files changed, 132 insertions, 89 deletions
diff --git a/target/arm/translate-neon.c b/target/arm/translate-neon.c index 658bd275da..9e990b41ed 100644 --- a/target/arm/translate-neon.c +++ b/target/arm/translate-neon.c @@ -151,24 +151,51 @@ static void neon_store_element64(int reg, int ele, MemOp size, TCGv_i64 var) } } -static bool trans_VCMLA(DisasContext *s, arg_VCMLA *a) +static bool do_neon_ddda(DisasContext *s, int q, int vd, int vn, int vm, + int data, gen_helper_gvec_4 *fn_gvec) { - int opr_sz; - TCGv_ptr fpst; - gen_helper_gvec_3_ptr *fn_gvec_ptr; + /* UNDEF accesses to D16-D31 if they don't exist. */ + if (((vd | vn | vm) & 0x10) && !dc_isar_feature(aa32_simd_r32, s)) { + return false; + } - if (!dc_isar_feature(aa32_vcma, s) - || (a->size == MO_16 && !dc_isar_feature(aa32_fp16_arith, s))) { + /* + * UNDEF accesses to odd registers for each bit of Q. + * Q will be 0b111 for all Q-reg instructions, otherwise + * when we have mixed Q- and D-reg inputs. + */ + if (((vd & 1) * 4 | (vn & 1) * 2 | (vm & 1)) & q) { return false; } + if (!vfp_access_check(s)) { + return true; + } + + int opr_sz = q ? 16 : 8; + tcg_gen_gvec_4_ool(vfp_reg_offset(1, vd), + vfp_reg_offset(1, vn), + vfp_reg_offset(1, vm), + vfp_reg_offset(1, vd), + opr_sz, opr_sz, data, fn_gvec); + return true; +} + +static bool do_neon_ddda_fpst(DisasContext *s, int q, int vd, int vn, int vm, + int data, ARMFPStatusFlavour fp_flavour, + gen_helper_gvec_4_ptr *fn_gvec_ptr) +{ /* UNDEF accesses to D16-D31 if they don't exist. */ - if (!dc_isar_feature(aa32_simd_r32, s) && - ((a->vd | a->vn | a->vm) & 0x10)) { + if (((vd | vn | vm) & 0x10) && !dc_isar_feature(aa32_simd_r32, s)) { return false; } - if ((a->vn | a->vm | a->vd) & a->q) { + /* + * UNDEF accesses to odd registers for each bit of Q. + * Q will be 0b111 for all Q-reg instructions, otherwise + * when we have mixed Q- and D-reg inputs. + */ + if (((vd & 1) * 4 | (vn & 1) * 2 | (vm & 1)) & q) { return false; } @@ -176,19 +203,34 @@ static bool trans_VCMLA(DisasContext *s, arg_VCMLA *a) return true; } - opr_sz = (1 + a->q) * 8; - fpst = fpstatus_ptr(a->size == MO_16 ? FPST_STD_F16 : FPST_STD); - fn_gvec_ptr = (a->size == MO_16) ? - gen_helper_gvec_fcmlah : gen_helper_gvec_fcmlas; - tcg_gen_gvec_3_ptr(vfp_reg_offset(1, a->vd), - vfp_reg_offset(1, a->vn), - vfp_reg_offset(1, a->vm), - fpst, opr_sz, opr_sz, a->rot, - fn_gvec_ptr); + int opr_sz = q ? 16 : 8; + TCGv_ptr fpst = fpstatus_ptr(fp_flavour); + + tcg_gen_gvec_4_ptr(vfp_reg_offset(1, vd), + vfp_reg_offset(1, vn), + vfp_reg_offset(1, vm), + vfp_reg_offset(1, vd), + fpst, opr_sz, opr_sz, data, fn_gvec_ptr); tcg_temp_free_ptr(fpst); return true; } +static bool trans_VCMLA(DisasContext *s, arg_VCMLA *a) +{ + if (!dc_isar_feature(aa32_vcma, s)) { + return false; + } + if (a->size == MO_16) { + if (!dc_isar_feature(aa32_fp16_arith, s)) { + return false; + } + return do_neon_ddda_fpst(s, a->q * 7, a->vd, a->vn, a->vm, a->rot, + FPST_STD_F16, gen_helper_gvec_fcmlah); + } + return do_neon_ddda_fpst(s, a->q * 7, a->vd, a->vn, a->vm, a->rot, + FPST_STD, gen_helper_gvec_fcmlas); +} + static bool trans_VCADD(DisasContext *s, arg_VCADD *a) { int opr_sz; @@ -227,36 +269,31 @@ static bool trans_VCADD(DisasContext *s, arg_VCADD *a) return true; } -static bool trans_VDOT(DisasContext *s, arg_VDOT *a) +static bool trans_VSDOT(DisasContext *s, arg_VSDOT *a) { - int opr_sz; - gen_helper_gvec_3 *fn_gvec; - if (!dc_isar_feature(aa32_dp, s)) { return false; } + return do_neon_ddda(s, a->q * 7, a->vd, a->vn, a->vm, 0, + gen_helper_gvec_sdot_b); +} - /* UNDEF accesses to D16-D31 if they don't exist. */ - if (!dc_isar_feature(aa32_simd_r32, s) && - ((a->vd | a->vn | a->vm) & 0x10)) { +static bool trans_VUDOT(DisasContext *s, arg_VUDOT *a) +{ + if (!dc_isar_feature(aa32_dp, s)) { return false; } + return do_neon_ddda(s, a->q * 7, a->vd, a->vn, a->vm, 0, + gen_helper_gvec_udot_b); +} - if ((a->vn | a->vm | a->vd) & a->q) { +static bool trans_VUSDOT(DisasContext *s, arg_VUSDOT *a) +{ + if (!dc_isar_feature(aa32_i8mm, s)) { return false; } - - if (!vfp_access_check(s)) { - return true; - } - - opr_sz = (1 + a->q) * 8; - fn_gvec = a->u ? gen_helper_gvec_udot_b : gen_helper_gvec_sdot_b; - tcg_gen_gvec_3_ool(vfp_reg_offset(1, a->vd), - vfp_reg_offset(1, a->vn), - vfp_reg_offset(1, a->vm), - opr_sz, opr_sz, 0, fn_gvec); - return true; + return do_neon_ddda(s, a->q * 7, a->vd, a->vn, a->vm, 0, + gen_helper_gvec_usdot_b); } static bool trans_VFML(DisasContext *s, arg_VFML *a) @@ -292,77 +329,56 @@ static bool trans_VFML(DisasContext *s, arg_VFML *a) static bool trans_VCMLA_scalar(DisasContext *s, arg_VCMLA_scalar *a) { - gen_helper_gvec_3_ptr *fn_gvec_ptr; - int opr_sz; - TCGv_ptr fpst; + int data = (a->index << 2) | a->rot; if (!dc_isar_feature(aa32_vcma, s)) { return false; } - if (a->size == MO_16 && !dc_isar_feature(aa32_fp16_arith, s)) { - return false; - } - - /* UNDEF accesses to D16-D31 if they don't exist. */ - if (!dc_isar_feature(aa32_simd_r32, s) && - ((a->vd | a->vn | a->vm) & 0x10)) { - return false; + if (a->size == MO_16) { + if (!dc_isar_feature(aa32_fp16_arith, s)) { + return false; + } + return do_neon_ddda_fpst(s, a->q * 6, a->vd, a->vn, a->vm, data, + FPST_STD_F16, gen_helper_gvec_fcmlah_idx); } + return do_neon_ddda_fpst(s, a->q * 6, a->vd, a->vn, a->vm, data, + FPST_STD, gen_helper_gvec_fcmlas_idx); +} - if ((a->vd | a->vn) & a->q) { +static bool trans_VSDOT_scalar(DisasContext *s, arg_VSDOT_scalar *a) +{ + if (!dc_isar_feature(aa32_dp, s)) { return false; } - - if (!vfp_access_check(s)) { - return true; - } - - fn_gvec_ptr = (a->size == MO_16) ? - gen_helper_gvec_fcmlah_idx : gen_helper_gvec_fcmlas_idx; - opr_sz = (1 + a->q) * 8; - fpst = fpstatus_ptr(a->size == MO_16 ? FPST_STD_F16 : FPST_STD); - tcg_gen_gvec_3_ptr(vfp_reg_offset(1, a->vd), - vfp_reg_offset(1, a->vn), - vfp_reg_offset(1, a->vm), - fpst, opr_sz, opr_sz, - (a->index << 2) | a->rot, fn_gvec_ptr); - tcg_temp_free_ptr(fpst); - return true; + return do_neon_ddda(s, a->q * 6, a->vd, a->vn, a->vm, a->index, + gen_helper_gvec_sdot_idx_b); } -static bool trans_VDOT_scalar(DisasContext *s, arg_VDOT_scalar *a) +static bool trans_VUDOT_scalar(DisasContext *s, arg_VUDOT_scalar *a) { - gen_helper_gvec_3 *fn_gvec; - int opr_sz; - TCGv_ptr fpst; - if (!dc_isar_feature(aa32_dp, s)) { return false; } + return do_neon_ddda(s, a->q * 6, a->vd, a->vn, a->vm, a->index, + gen_helper_gvec_udot_idx_b); +} - /* UNDEF accesses to D16-D31 if they don't exist. */ - if (!dc_isar_feature(aa32_simd_r32, s) && - ((a->vd | a->vn) & 0x10)) { +static bool trans_VUSDOT_scalar(DisasContext *s, arg_VUSDOT_scalar *a) +{ + if (!dc_isar_feature(aa32_i8mm, s)) { return false; } + return do_neon_ddda(s, a->q * 6, a->vd, a->vn, a->vm, a->index, + gen_helper_gvec_usdot_idx_b); +} - if ((a->vd | a->vn) & a->q) { +static bool trans_VSUDOT_scalar(DisasContext *s, arg_VSUDOT_scalar *a) +{ + if (!dc_isar_feature(aa32_i8mm, s)) { return false; } - - if (!vfp_access_check(s)) { - return true; - } - - fn_gvec = a->u ? gen_helper_gvec_udot_idx_b : gen_helper_gvec_sdot_idx_b; - opr_sz = (1 + a->q) * 8; - fpst = fpstatus_ptr(FPST_STD); - tcg_gen_gvec_3_ool(vfp_reg_offset(1, a->vd), - vfp_reg_offset(1, a->vn), - vfp_reg_offset(1, a->rm), - opr_sz, opr_sz, a->index, fn_gvec); - tcg_temp_free_ptr(fpst); - return true; + return do_neon_ddda(s, a->q * 6, a->vd, a->vn, a->vm, a->index, + gen_helper_gvec_sudot_idx_b); } static bool trans_VFML_scalar(DisasContext *s, arg_VFML_scalar *a) @@ -4020,3 +4036,30 @@ static bool trans_VTRN(DisasContext *s, arg_2misc *a) tcg_temp_free_i32(tmp2); return true; } + +static bool trans_VSMMLA(DisasContext *s, arg_VSMMLA *a) +{ + if (!dc_isar_feature(aa32_i8mm, s)) { + return false; + } + return do_neon_ddda(s, 7, a->vd, a->vn, a->vm, 0, + gen_helper_gvec_smmla_b); +} + +static bool trans_VUMMLA(DisasContext *s, arg_VUMMLA *a) +{ + if (!dc_isar_feature(aa32_i8mm, s)) { + return false; + } + return do_neon_ddda(s, 7, a->vd, a->vn, a->vm, 0, + gen_helper_gvec_ummla_b); +} + +static bool trans_VUSMMLA(DisasContext *s, arg_VUSMMLA *a) +{ + if (!dc_isar_feature(aa32_i8mm, s)) { + return false; + } + return do_neon_ddda(s, 7, a->vd, a->vn, a->vm, 0, + gen_helper_gvec_usmmla_b); +} |