diff options
Diffstat (limited to 'target-ppc/op_helper.c')
| -rw-r--r-- | target-ppc/op_helper.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index 1ea5a988df..2a5e18e409 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -1645,19 +1645,19 @@ void do_store_hid0_601 (void) /* mfrom is the most crazy instruction ever seen, imho ! */ /* Real implementation uses a ROM table. Do the same */ #define USE_MFROM_ROM_TABLE -void do_op_602_mfrom (void) +target_ulong helper_602_mfrom (target_ulong arg) { - if (likely(T0 < 602)) { + if (likely(arg < 602)) { #if defined(USE_MFROM_ROM_TABLE) #include "mfrom_table.c" - T0 = mfrom_ROM_table[T0]; + return mfrom_ROM_table[T0]; #else double d; /* Extremly decomposed: - * -T0 / 256 - * T0 = 256 * log10(10 + 1.0) + 0.5 + * -arg / 256 + * return 256 * log10(10 + 1.0) + 0.5 */ - d = T0; + d = arg; d = float64_div(d, 256, &env->fp_status); d = float64_chs(d); d = exp10(d); // XXX: use float emulation function @@ -1665,10 +1665,10 @@ void do_op_602_mfrom (void) d = log10(d); // XXX: use float emulation function d = float64_mul(d, 256, &env->fp_status); d = float64_add(d, 0.5, &env->fp_status); - T0 = float64_round_to_int(d, &env->fp_status); + return float64_round_to_int(d, &env->fp_status); #endif } else { - T0 = 0; + return 0; } } |