diff options
author | Peter Maydell <peter.maydell@linaro.org> | 2019-06-04 13:01:28 +0100 |
---|---|---|
committer | Peter Maydell <peter.maydell@linaro.org> | 2019-06-04 14:58:31 +0100 |
commit | 91f4c1ca190814d4ef03993e73a033c07318acb4 (patch) | |
tree | 1c1abedb2b5a5a28f0882b5f198439258b11df8c /target/arm/translate-vfp.inc.c | |
parent | 1705d5db525e0bed2ca31b643dd41463f530bebc (diff) |
target/arm: Convert float-to-integer VCVT insns to decodetreevfp-decodetree
Convert the float-to-integer VCVT instructions to decodetree.
Since these are the last unconverted instructions, we can
delete the old decoder structure entirely now.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/translate-vfp.inc.c')
-rw-r--r-- | target/arm/translate-vfp.inc.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/target/arm/translate-vfp.inc.c b/target/arm/translate-vfp.inc.c index 8358328d0e..1adee432c4 100644 --- a/target/arm/translate-vfp.inc.c +++ b/target/arm/translate-vfp.inc.c @@ -2560,3 +2560,75 @@ static bool trans_VCVT_fix_dp(DisasContext *s, arg_VCVT_fix_dp *a) tcg_temp_free_ptr(fpst); return true; } + +static bool trans_VCVT_sp_int(DisasContext *s, arg_VCVT_sp_int *a) +{ + TCGv_i32 vm; + TCGv_ptr fpst; + + if (!vfp_access_check(s)) { + return true; + } + + fpst = get_fpstatus_ptr(false); + vm = tcg_temp_new_i32(); + tcg_gen_ld_f32(vm, cpu_env, vfp_reg_offset(false, a->vm)); + + if (a->s) { + if (a->rz) { + gen_helper_vfp_tosizs(vm, vm, fpst); + } else { + gen_helper_vfp_tosis(vm, vm, fpst); + } + } else { + if (a->rz) { + gen_helper_vfp_touizs(vm, vm, fpst); + } else { + gen_helper_vfp_touis(vm, vm, fpst); + } + } + tcg_gen_st_f32(vm, cpu_env, vfp_reg_offset(false, a->vd)); + tcg_temp_free_i32(vm); + tcg_temp_free_ptr(fpst); + return true; +} + +static bool trans_VCVT_dp_int(DisasContext *s, arg_VCVT_dp_int *a) +{ + TCGv_i32 vd; + TCGv_i64 vm; + TCGv_ptr fpst; + + /* UNDEF accesses to D16-D31 if they don't exist. */ + if (!dc_isar_feature(aa32_fp_d32, s) && (a->vm & 0x10)) { + return false; + } + + if (!vfp_access_check(s)) { + return true; + } + + fpst = get_fpstatus_ptr(false); + vm = tcg_temp_new_i64(); + vd = tcg_temp_new_i32(); + tcg_gen_ld_f64(vm, cpu_env, vfp_reg_offset(true, a->vm)); + + if (a->s) { + if (a->rz) { + gen_helper_vfp_tosizd(vd, vm, fpst); + } else { + gen_helper_vfp_tosid(vd, vm, fpst); + } + } else { + if (a->rz) { + gen_helper_vfp_touizd(vd, vm, fpst); + } else { + gen_helper_vfp_touid(vd, vm, fpst); + } + } + tcg_gen_st_f32(vd, cpu_env, vfp_reg_offset(false, a->vd)); + tcg_temp_free_i32(vd); + tcg_temp_free_i64(vm); + tcg_temp_free_ptr(fpst); + return true; +} |