target/arm: Move fpsp/fpdp isar check into callers of do_vfp_2op_sp/dp
The do_vfp_2op_sp() and do_vfp_2op_dp() functions currently check whether floating point is supported via the aa32_fpdp_v2 and aa32_fpsp_v2 isar checks. For v8.1M MVE support, the VMOV_reg trans functions (but not any of the others) need to update this to also allow the insn if MVE is implemented. Move the check out of the do_ function and into its callsites (which are all implemented via the DO_VFP_2OP macro), so we have a place to change the check for the VMOV insns. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20210520152840.24453-4-peter.maydell@linaro.org
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@ -1925,9 +1925,7 @@ static bool do_vfp_2op_sp(DisasContext *s, VFPGen2OpSPFn *fn, int vd, int vm)
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int veclen = s->vec_len;
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int veclen = s->vec_len;
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TCGv_i32 f0, fd;
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TCGv_i32 f0, fd;
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if (!dc_isar_feature(aa32_fpsp_v2, s)) {
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/* Note that the caller must check the aa32_fpsp_v2 feature. */
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return false;
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}
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if (!dc_isar_feature(aa32_fpshvec, s) &&
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if (!dc_isar_feature(aa32_fpshvec, s) &&
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(veclen != 0 || s->vec_stride != 0)) {
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(veclen != 0 || s->vec_stride != 0)) {
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@ -2002,6 +2000,8 @@ static bool do_vfp_2op_hp(DisasContext *s, VFPGen2OpSPFn *fn, int vd, int vm)
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*/
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*/
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TCGv_i32 f0;
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TCGv_i32 f0;
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/* Note that the caller must check the aa32_fp16_arith feature */
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if (!dc_isar_feature(aa32_fp16_arith, s)) {
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if (!dc_isar_feature(aa32_fp16_arith, s)) {
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return false;
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return false;
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}
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}
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@ -2030,9 +2030,7 @@ static bool do_vfp_2op_dp(DisasContext *s, VFPGen2OpDPFn *fn, int vd, int vm)
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int veclen = s->vec_len;
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int veclen = s->vec_len;
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TCGv_i64 f0, fd;
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TCGv_i64 f0, fd;
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if (!dc_isar_feature(aa32_fpdp_v2, s)) {
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/* Note that the caller must check the aa32_fpdp_v2 feature. */
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return false;
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}
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/* UNDEF accesses to D16-D31 if they don't exist */
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/* UNDEF accesses to D16-D31 if they don't exist */
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if (!dc_isar_feature(aa32_simd_r32, s) && ((vd | vm) & 0x10)) {
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if (!dc_isar_feature(aa32_simd_r32, s) && ((vd | vm) & 0x10)) {
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@ -2810,23 +2808,26 @@ static bool trans_VMOV_imm_dp(DisasContext *s, arg_VMOV_imm_dp *a)
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return true;
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return true;
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}
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}
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#define DO_VFP_2OP(INSN, PREC, FN) \
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#define DO_VFP_2OP(INSN, PREC, FN, CHECK) \
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static bool trans_##INSN##_##PREC(DisasContext *s, \
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static bool trans_##INSN##_##PREC(DisasContext *s, \
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arg_##INSN##_##PREC *a) \
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arg_##INSN##_##PREC *a) \
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{ \
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{ \
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if (!dc_isar_feature(CHECK, s)) { \
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return false; \
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} \
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return do_vfp_2op_##PREC(s, FN, a->vd, a->vm); \
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return do_vfp_2op_##PREC(s, FN, a->vd, a->vm); \
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}
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}
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DO_VFP_2OP(VMOV_reg, sp, tcg_gen_mov_i32)
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DO_VFP_2OP(VMOV_reg, sp, tcg_gen_mov_i32, aa32_fpsp_v2)
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DO_VFP_2OP(VMOV_reg, dp, tcg_gen_mov_i64)
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DO_VFP_2OP(VMOV_reg, dp, tcg_gen_mov_i64, aa32_fpdp_v2)
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DO_VFP_2OP(VABS, hp, gen_helper_vfp_absh)
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DO_VFP_2OP(VABS, hp, gen_helper_vfp_absh, aa32_fp16_arith)
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DO_VFP_2OP(VABS, sp, gen_helper_vfp_abss)
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DO_VFP_2OP(VABS, sp, gen_helper_vfp_abss, aa32_fpsp_v2)
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DO_VFP_2OP(VABS, dp, gen_helper_vfp_absd)
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DO_VFP_2OP(VABS, dp, gen_helper_vfp_absd, aa32_fpdp_v2)
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DO_VFP_2OP(VNEG, hp, gen_helper_vfp_negh)
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DO_VFP_2OP(VNEG, hp, gen_helper_vfp_negh, aa32_fp16_arith)
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DO_VFP_2OP(VNEG, sp, gen_helper_vfp_negs)
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DO_VFP_2OP(VNEG, sp, gen_helper_vfp_negs, aa32_fpsp_v2)
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DO_VFP_2OP(VNEG, dp, gen_helper_vfp_negd)
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DO_VFP_2OP(VNEG, dp, gen_helper_vfp_negd, aa32_fpdp_v2)
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static void gen_VSQRT_hp(TCGv_i32 vd, TCGv_i32 vm)
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static void gen_VSQRT_hp(TCGv_i32 vd, TCGv_i32 vm)
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{
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{
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@ -2843,9 +2844,9 @@ static void gen_VSQRT_dp(TCGv_i64 vd, TCGv_i64 vm)
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gen_helper_vfp_sqrtd(vd, vm, cpu_env);
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gen_helper_vfp_sqrtd(vd, vm, cpu_env);
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}
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}
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DO_VFP_2OP(VSQRT, hp, gen_VSQRT_hp)
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DO_VFP_2OP(VSQRT, hp, gen_VSQRT_hp, aa32_fp16_arith)
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DO_VFP_2OP(VSQRT, sp, gen_VSQRT_sp)
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DO_VFP_2OP(VSQRT, sp, gen_VSQRT_sp, aa32_fpsp_v2)
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DO_VFP_2OP(VSQRT, dp, gen_VSQRT_dp)
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DO_VFP_2OP(VSQRT, dp, gen_VSQRT_dp, aa32_fpdp_v2)
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static bool trans_VCMP_hp(DisasContext *s, arg_VCMP_sp *a)
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static bool trans_VCMP_hp(DisasContext *s, arg_VCMP_sp *a)
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{
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{
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