diff options
Diffstat (limited to 'target-mips/op_helper.c')
| -rw-r--r-- | target-mips/op_helper.c | 400 |
1 files changed, 364 insertions, 36 deletions
diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c index 1ae1dda0af..69daade24e 100644 --- a/target-mips/op_helper.c +++ b/target-mips/op_helper.c @@ -2447,6 +2447,7 @@ void mips_cpu_unassigned_access(CPUState *cs, hwaddr addr, #define FLOAT_TWO32 make_float32(1 << 30) #define FLOAT_TWO64 make_float64(1ULL << 62) + #define FP_TO_INT32_OVERFLOW 0x7fffffff #define FP_TO_INT64_OVERFLOW 0x7fffffffffffffffULL @@ -2574,21 +2575,13 @@ void helper_ctc1(CPUMIPSState *env, target_ulong arg1, uint32_t fs, uint32_t rt) ((arg1 & 0x4) << 22); break; case 31: - if (env->insn_flags & ISA_MIPS32R6) { - uint32_t mask = 0xfefc0000; - env->active_fpu.fcr31 = (arg1 & ~mask) | - (env->active_fpu.fcr31 & mask); - } else if (!(arg1 & 0x007c0000)) { - env->active_fpu.fcr31 = arg1; - } + env->active_fpu.fcr31 = (arg1 & env->active_fpu.fcr31_rw_bitmask) | + (env->active_fpu.fcr31 & ~(env->active_fpu.fcr31_rw_bitmask)); break; default: return; } - /* set rounding mode */ - restore_rounding_mode(env); - /* set flush-to-zero mode */ - restore_flush_mode(env); + restore_fp_status(env); set_float_exception_flags(0, &env->active_fpu.fp_status); if ((GET_FP_ENABLE(env->active_fpu.fcr31) | 0x20) & GET_FP_CAUSE(env->active_fpu.fcr31)) do_raise_exception(env, EXCP_FPE, GETPC()); @@ -2659,7 +2652,7 @@ uint64_t helper_float_cvtd_s(CPUMIPSState *env, uint32_t fst0) uint64_t fdt2; fdt2 = float32_to_float64(fst0, &env->active_fpu.fp_status); - fdt2 = float64_maybe_silence_nan(fdt2); + fdt2 = float64_maybe_silence_nan(fdt2, &env->active_fpu.fp_status); update_fcr31(env, GETPC()); return fdt2; } @@ -2682,7 +2675,7 @@ uint64_t helper_float_cvtd_l(CPUMIPSState *env, uint64_t dt0) return fdt2; } -uint64_t helper_float_cvtl_d(CPUMIPSState *env, uint64_t fdt0) +uint64_t helper_float_cvt_l_d(CPUMIPSState *env, uint64_t fdt0) { uint64_t dt2; @@ -2695,7 +2688,7 @@ uint64_t helper_float_cvtl_d(CPUMIPSState *env, uint64_t fdt0) return dt2; } -uint64_t helper_float_cvtl_s(CPUMIPSState *env, uint32_t fst0) +uint64_t helper_float_cvt_l_s(CPUMIPSState *env, uint32_t fst0) { uint64_t dt2; @@ -2749,7 +2742,7 @@ uint32_t helper_float_cvts_d(CPUMIPSState *env, uint64_t fdt0) uint32_t fst2; fst2 = float64_to_float32(fdt0, &env->active_fpu.fp_status); - fst2 = float32_maybe_silence_nan(fst2); + fst2 = float32_maybe_silence_nan(fst2, &env->active_fpu.fp_status); update_fcr31(env, GETPC()); return fst2; } @@ -2790,7 +2783,7 @@ uint32_t helper_float_cvts_pu(CPUMIPSState *env, uint32_t wth0) return wt2; } -uint32_t helper_float_cvtw_s(CPUMIPSState *env, uint32_t fst0) +uint32_t helper_float_cvt_w_s(CPUMIPSState *env, uint32_t fst0) { uint32_t wt2; @@ -2803,7 +2796,7 @@ uint32_t helper_float_cvtw_s(CPUMIPSState *env, uint32_t fst0) return wt2; } -uint32_t helper_float_cvtw_d(CPUMIPSState *env, uint64_t fdt0) +uint32_t helper_float_cvt_w_d(CPUMIPSState *env, uint64_t fdt0) { uint32_t wt2; @@ -2816,7 +2809,7 @@ uint32_t helper_float_cvtw_d(CPUMIPSState *env, uint64_t fdt0) return wt2; } -uint64_t helper_float_roundl_d(CPUMIPSState *env, uint64_t fdt0) +uint64_t helper_float_round_l_d(CPUMIPSState *env, uint64_t fdt0) { uint64_t dt2; @@ -2831,7 +2824,7 @@ uint64_t helper_float_roundl_d(CPUMIPSState *env, uint64_t fdt0) return dt2; } -uint64_t helper_float_roundl_s(CPUMIPSState *env, uint32_t fst0) +uint64_t helper_float_round_l_s(CPUMIPSState *env, uint32_t fst0) { uint64_t dt2; @@ -2846,7 +2839,7 @@ uint64_t helper_float_roundl_s(CPUMIPSState *env, uint32_t fst0) return dt2; } -uint32_t helper_float_roundw_d(CPUMIPSState *env, uint64_t fdt0) +uint32_t helper_float_round_w_d(CPUMIPSState *env, uint64_t fdt0) { uint32_t wt2; @@ -2861,7 +2854,7 @@ uint32_t helper_float_roundw_d(CPUMIPSState *env, uint64_t fdt0) return wt2; } -uint32_t helper_float_roundw_s(CPUMIPSState *env, uint32_t fst0) +uint32_t helper_float_round_w_s(CPUMIPSState *env, uint32_t fst0) { uint32_t wt2; @@ -2876,7 +2869,7 @@ uint32_t helper_float_roundw_s(CPUMIPSState *env, uint32_t fst0) return wt2; } -uint64_t helper_float_truncl_d(CPUMIPSState *env, uint64_t fdt0) +uint64_t helper_float_trunc_l_d(CPUMIPSState *env, uint64_t fdt0) { uint64_t dt2; @@ -2889,7 +2882,7 @@ uint64_t helper_float_truncl_d(CPUMIPSState *env, uint64_t fdt0) return dt2; } -uint64_t helper_float_truncl_s(CPUMIPSState *env, uint32_t fst0) +uint64_t helper_float_trunc_l_s(CPUMIPSState *env, uint32_t fst0) { uint64_t dt2; @@ -2902,7 +2895,7 @@ uint64_t helper_float_truncl_s(CPUMIPSState *env, uint32_t fst0) return dt2; } -uint32_t helper_float_truncw_d(CPUMIPSState *env, uint64_t fdt0) +uint32_t helper_float_trunc_w_d(CPUMIPSState *env, uint64_t fdt0) { uint32_t wt2; @@ -2915,7 +2908,7 @@ uint32_t helper_float_truncw_d(CPUMIPSState *env, uint64_t fdt0) return wt2; } -uint32_t helper_float_truncw_s(CPUMIPSState *env, uint32_t fst0) +uint32_t helper_float_trunc_w_s(CPUMIPSState *env, uint32_t fst0) { uint32_t wt2; @@ -2928,7 +2921,7 @@ uint32_t helper_float_truncw_s(CPUMIPSState *env, uint32_t fst0) return wt2; } -uint64_t helper_float_ceill_d(CPUMIPSState *env, uint64_t fdt0) +uint64_t helper_float_ceil_l_d(CPUMIPSState *env, uint64_t fdt0) { uint64_t dt2; @@ -2943,7 +2936,7 @@ uint64_t helper_float_ceill_d(CPUMIPSState *env, uint64_t fdt0) return dt2; } -uint64_t helper_float_ceill_s(CPUMIPSState *env, uint32_t fst0) +uint64_t helper_float_ceil_l_s(CPUMIPSState *env, uint32_t fst0) { uint64_t dt2; @@ -2958,7 +2951,7 @@ uint64_t helper_float_ceill_s(CPUMIPSState *env, uint32_t fst0) return dt2; } -uint32_t helper_float_ceilw_d(CPUMIPSState *env, uint64_t fdt0) +uint32_t helper_float_ceil_w_d(CPUMIPSState *env, uint64_t fdt0) { uint32_t wt2; @@ -2973,7 +2966,7 @@ uint32_t helper_float_ceilw_d(CPUMIPSState *env, uint64_t fdt0) return wt2; } -uint32_t helper_float_ceilw_s(CPUMIPSState *env, uint32_t fst0) +uint32_t helper_float_ceil_w_s(CPUMIPSState *env, uint32_t fst0) { uint32_t wt2; @@ -2988,7 +2981,7 @@ uint32_t helper_float_ceilw_s(CPUMIPSState *env, uint32_t fst0) return wt2; } -uint64_t helper_float_floorl_d(CPUMIPSState *env, uint64_t fdt0) +uint64_t helper_float_floor_l_d(CPUMIPSState *env, uint64_t fdt0) { uint64_t dt2; @@ -3003,7 +2996,7 @@ uint64_t helper_float_floorl_d(CPUMIPSState *env, uint64_t fdt0) return dt2; } -uint64_t helper_float_floorl_s(CPUMIPSState *env, uint32_t fst0) +uint64_t helper_float_floor_l_s(CPUMIPSState *env, uint32_t fst0) { uint64_t dt2; @@ -3018,7 +3011,7 @@ uint64_t helper_float_floorl_s(CPUMIPSState *env, uint32_t fst0) return dt2; } -uint32_t helper_float_floorw_d(CPUMIPSState *env, uint64_t fdt0) +uint32_t helper_float_floor_w_d(CPUMIPSState *env, uint64_t fdt0) { uint32_t wt2; @@ -3033,7 +3026,7 @@ uint32_t helper_float_floorw_d(CPUMIPSState *env, uint64_t fdt0) return wt2; } -uint32_t helper_float_floorw_s(CPUMIPSState *env, uint32_t fst0) +uint32_t helper_float_floor_w_s(CPUMIPSState *env, uint32_t fst0) { uint32_t wt2; @@ -3048,6 +3041,334 @@ uint32_t helper_float_floorw_s(CPUMIPSState *env, uint32_t fst0) return wt2; } +uint64_t helper_float_cvt_2008_l_d(CPUMIPSState *env, uint64_t fdt0) +{ + uint64_t dt2; + + dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status); + if (get_float_exception_flags(&env->active_fpu.fp_status) + & float_flag_invalid) { + if (float64_is_any_nan(fdt0)) { + dt2 = 0; + } + } + update_fcr31(env, GETPC()); + return dt2; +} + +uint64_t helper_float_cvt_2008_l_s(CPUMIPSState *env, uint32_t fst0) +{ + uint64_t dt2; + + dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status); + if (get_float_exception_flags(&env->active_fpu.fp_status) + & float_flag_invalid) { + if (float32_is_any_nan(fst0)) { + dt2 = 0; + } + } + update_fcr31(env, GETPC()); + return dt2; +} + +uint32_t helper_float_cvt_2008_w_d(CPUMIPSState *env, uint64_t fdt0) +{ + uint32_t wt2; + + wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status); + if (get_float_exception_flags(&env->active_fpu.fp_status) + & float_flag_invalid) { + if (float64_is_any_nan(fdt0)) { + wt2 = 0; + } + } + update_fcr31(env, GETPC()); + return wt2; +} + +uint32_t helper_float_cvt_2008_w_s(CPUMIPSState *env, uint32_t fst0) +{ + uint32_t wt2; + + wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status); + if (get_float_exception_flags(&env->active_fpu.fp_status) + & float_flag_invalid) { + if (float32_is_any_nan(fst0)) { + wt2 = 0; + } + } + update_fcr31(env, GETPC()); + return wt2; +} + +uint64_t helper_float_round_2008_l_d(CPUMIPSState *env, uint64_t fdt0) +{ + uint64_t dt2; + + set_float_rounding_mode(float_round_nearest_even, + &env->active_fpu.fp_status); + dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status); + restore_rounding_mode(env); + if (get_float_exception_flags(&env->active_fpu.fp_status) + & float_flag_invalid) { + if (float64_is_any_nan(fdt0)) { + dt2 = 0; + } + } + update_fcr31(env, GETPC()); + return dt2; +} + +uint64_t helper_float_round_2008_l_s(CPUMIPSState *env, uint32_t fst0) +{ + uint64_t dt2; + + set_float_rounding_mode(float_round_nearest_even, + &env->active_fpu.fp_status); + dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status); + restore_rounding_mode(env); + if (get_float_exception_flags(&env->active_fpu.fp_status) + & float_flag_invalid) { + if (float32_is_any_nan(fst0)) { + dt2 = 0; + } + } + update_fcr31(env, GETPC()); + return dt2; +} + +uint32_t helper_float_round_2008_w_d(CPUMIPSState *env, uint64_t fdt0) +{ + uint32_t wt2; + + set_float_rounding_mode(float_round_nearest_even, + &env->active_fpu.fp_status); + wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status); + restore_rounding_mode(env); + if (get_float_exception_flags(&env->active_fpu.fp_status) + & float_flag_invalid) { + if (float64_is_any_nan(fdt0)) { + wt2 = 0; + } + } + update_fcr31(env, GETPC()); + return wt2; +} + +uint32_t helper_float_round_2008_w_s(CPUMIPSState *env, uint32_t fst0) +{ + uint32_t wt2; + + set_float_rounding_mode(float_round_nearest_even, + &env->active_fpu.fp_status); + wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status); + restore_rounding_mode(env); + if (get_float_exception_flags(&env->active_fpu.fp_status) + & float_flag_invalid) { + if (float32_is_any_nan(fst0)) { + wt2 = 0; + } + } + update_fcr31(env, GETPC()); + return wt2; +} + +uint64_t helper_float_trunc_2008_l_d(CPUMIPSState *env, uint64_t fdt0) +{ + uint64_t dt2; + + dt2 = float64_to_int64_round_to_zero(fdt0, &env->active_fpu.fp_status); + if (get_float_exception_flags(&env->active_fpu.fp_status) + & float_flag_invalid) { + if (float64_is_any_nan(fdt0)) { + dt2 = 0; + } + } + update_fcr31(env, GETPC()); + return dt2; +} + +uint64_t helper_float_trunc_2008_l_s(CPUMIPSState *env, uint32_t fst0) +{ + uint64_t dt2; + + dt2 = float32_to_int64_round_to_zero(fst0, &env->active_fpu.fp_status); + if (get_float_exception_flags(&env->active_fpu.fp_status) + & float_flag_invalid) { + if (float32_is_any_nan(fst0)) { + dt2 = 0; + } + } + update_fcr31(env, GETPC()); + return dt2; +} + +uint32_t helper_float_trunc_2008_w_d(CPUMIPSState *env, uint64_t fdt0) +{ + uint32_t wt2; + + wt2 = float64_to_int32_round_to_zero(fdt0, &env->active_fpu.fp_status); + if (get_float_exception_flags(&env->active_fpu.fp_status) + & float_flag_invalid) { + if (float64_is_any_nan(fdt0)) { + wt2 = 0; + } + } + update_fcr31(env, GETPC()); + return wt2; +} + +uint32_t helper_float_trunc_2008_w_s(CPUMIPSState *env, uint32_t fst0) +{ + uint32_t wt2; + + wt2 = float32_to_int32_round_to_zero(fst0, &env->active_fpu.fp_status); + if (get_float_exception_flags(&env->active_fpu.fp_status) + & float_flag_invalid) { + if (float32_is_any_nan(fst0)) { + wt2 = 0; + } + } + update_fcr31(env, GETPC()); + return wt2; +} + +uint64_t helper_float_ceil_2008_l_d(CPUMIPSState *env, uint64_t fdt0) +{ + uint64_t dt2; + + set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status); + dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status); + restore_rounding_mode(env); + if (get_float_exception_flags(&env->active_fpu.fp_status) + & float_flag_invalid) { + if (float64_is_any_nan(fdt0)) { + dt2 = 0; + } + } + update_fcr31(env, GETPC()); + return dt2; +} + +uint64_t helper_float_ceil_2008_l_s(CPUMIPSState *env, uint32_t fst0) +{ + uint64_t dt2; + + set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status); + dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status); + restore_rounding_mode(env); + if (get_float_exception_flags(&env->active_fpu.fp_status) + & float_flag_invalid) { + if (float32_is_any_nan(fst0)) { + dt2 = 0; + } + } + update_fcr31(env, GETPC()); + return dt2; +} + +uint32_t helper_float_ceil_2008_w_d(CPUMIPSState *env, uint64_t fdt0) +{ + uint32_t wt2; + + set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status); + wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status); + restore_rounding_mode(env); + if (get_float_exception_flags(&env->active_fpu.fp_status) + & float_flag_invalid) { + if (float64_is_any_nan(fdt0)) { + wt2 = 0; + } + } + update_fcr31(env, GETPC()); + return wt2; +} + +uint32_t helper_float_ceil_2008_w_s(CPUMIPSState *env, uint32_t fst0) +{ + uint32_t wt2; + + set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status); + wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status); + restore_rounding_mode(env); + if (get_float_exception_flags(&env->active_fpu.fp_status) + & float_flag_invalid) { + if (float32_is_any_nan(fst0)) { + wt2 = 0; + } + } + update_fcr31(env, GETPC()); + return wt2; +} + +uint64_t helper_float_floor_2008_l_d(CPUMIPSState *env, uint64_t fdt0) +{ + uint64_t dt2; + + set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status); + dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status); + restore_rounding_mode(env); + if (get_float_exception_flags(&env->active_fpu.fp_status) + & float_flag_invalid) { + if (float64_is_any_nan(fdt0)) { + dt2 = 0; + } + } + update_fcr31(env, GETPC()); + return dt2; +} + +uint64_t helper_float_floor_2008_l_s(CPUMIPSState *env, uint32_t fst0) +{ + uint64_t dt2; + + set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status); + dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status); + restore_rounding_mode(env); + if (get_float_exception_flags(&env->active_fpu.fp_status) + & float_flag_invalid) { + if (float32_is_any_nan(fst0)) { + dt2 = 0; + } + } + update_fcr31(env, GETPC()); + return dt2; +} + +uint32_t helper_float_floor_2008_w_d(CPUMIPSState *env, uint64_t fdt0) +{ + uint32_t wt2; + + set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status); + wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status); + restore_rounding_mode(env); + if (get_float_exception_flags(&env->active_fpu.fp_status) + & float_flag_invalid) { + if (float64_is_any_nan(fdt0)) { + wt2 = 0; + } + } + update_fcr31(env, GETPC()); + return wt2; +} + +uint32_t helper_float_floor_2008_w_s(CPUMIPSState *env, uint32_t fst0) +{ + uint32_t wt2; + + set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status); + wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status); + restore_rounding_mode(env); + if (get_float_exception_flags(&env->active_fpu.fp_status) + & float_flag_invalid) { + if (float32_is_any_nan(fst0)) { + wt2 = 0; + } + } + update_fcr31(env, GETPC()); + return wt2; +} + /* unary operations, not modifying fp status */ #define FLOAT_UNOP(name) \ uint64_t helper_float_ ## name ## _d(uint64_t fdt0) \ @@ -3199,11 +3520,12 @@ FLOAT_RINT(rint_d, 64) #define FLOAT_CLASS_POSITIVE_ZERO 0x200 #define FLOAT_CLASS(name, bits) \ -uint ## bits ## _t helper_float_ ## name (uint ## bits ## _t arg) \ +uint ## bits ## _t float_ ## name (uint ## bits ## _t arg, \ + float_status *status) \ { \ - if (float ## bits ## _is_signaling_nan(arg)) { \ + if (float ## bits ## _is_signaling_nan(arg, status)) { \ return FLOAT_CLASS_SIGNALING_NAN; \ - } else if (float ## bits ## _is_quiet_nan(arg)) { \ + } else if (float ## bits ## _is_quiet_nan(arg, status)) { \ return FLOAT_CLASS_QUIET_NAN; \ } else if (float ## bits ## _is_neg(arg)) { \ if (float ## bits ## _is_infinity(arg)) { \ @@ -3226,6 +3548,12 @@ uint ## bits ## _t helper_float_ ## name (uint ## bits ## _t arg) \ return FLOAT_CLASS_POSITIVE_NORMAL; \ } \ } \ +} \ + \ +uint ## bits ## _t helper_float_ ## name (CPUMIPSState *env, \ + uint ## bits ## _t arg) \ +{ \ + return float_ ## name(arg, &env->active_fpu.fp_status); \ } FLOAT_CLASS(class_s, 32) |