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author | Aurelien Jarno <aurelien@aurel32.net> | 2011-01-17 19:29:33 +0100 |
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committer | Aurelien Jarno <aurelien@aurel32.net> | 2011-01-20 15:11:14 +0100 |
commit | d619c680e7b8f19de2e3db5eae2370a80a688283 (patch) | |
tree | 11776160257cc0cc1f2f79bff6d89f534eeee2d2 /target-ppc | |
parent | 78bdb8b361434677e2f01de6ef72dd22b71fa739 (diff) | |
download | qemu-d619c680e7b8f19de2e3db5eae2370a80a688283.tar.gz qemu-d619c680e7b8f19de2e3db5eae2370a80a688283.tar.bz2 qemu-d619c680e7b8f19de2e3db5eae2370a80a688283.zip |
target-ppc: fix wrong NaN tests
Some tests in FPU emulation code were wrongly using float64_is_nan()
before commit 185698715dfb18c82ad2a5dbc169908602d43e81, and wrongly
using float64_is_quiet_nan() after. Fix them by using float64_is_any_nan()
instead.
Reviewed-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target-ppc')
-rw-r--r-- | target-ppc/op_helper.c | 45 |
1 files changed, 28 insertions, 17 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index f9d6130e94..17e070ae75 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -546,7 +546,7 @@ uint32_t helper_compute_fprf (uint64_t arg, uint32_t set_fprf) int ret; farg.ll = arg; isneg = float64_is_neg(farg.d); - if (unlikely(float64_is_quiet_nan(farg.d))) { + if (unlikely(float64_is_any_nan(farg.d))) { if (float64_is_signaling_nan(farg.d)) { /* Signaling NaN: flags are undefined */ ret = 0x00; @@ -1356,8 +1356,9 @@ uint64_t helper_fnmadd (uint64_t arg1, uint64_t arg2, uint64_t arg3) /* This is OK on x86 hosts */ farg1.d = (farg1.d * farg2.d) + farg3.d; #endif - if (likely(!float64_is_quiet_nan(farg1.d))) + if (likely(!float64_is_any_nan(farg1.d))) { farg1.d = float64_chs(farg1.d); + } } return farg1.ll; } @@ -1402,8 +1403,9 @@ uint64_t helper_fnmsub (uint64_t arg1, uint64_t arg2, uint64_t arg3) /* This is OK on x86 hosts */ farg1.d = (farg1.d * farg2.d) - farg3.d; #endif - if (likely(!float64_is_quiet_nan(farg1.d))) + if (likely(!float64_is_any_nan(farg1.d))) { farg1.d = float64_chs(farg1.d); + } } return farg1.ll; } @@ -1506,10 +1508,11 @@ uint64_t helper_fsel (uint64_t arg1, uint64_t arg2, uint64_t arg3) farg1.ll = arg1; - if ((!float64_is_neg(farg1.d) || float64_is_zero(farg1.d)) && !float64_is_quiet_nan(farg1.d)) + if ((!float64_is_neg(farg1.d) || float64_is_zero(farg1.d)) && !float64_is_any_nan(farg1.d)) { return arg2; - else + } else { return arg3; + } } void helper_fcmpu (uint64_t arg1, uint64_t arg2, uint32_t crfD) @@ -1519,8 +1522,8 @@ void helper_fcmpu (uint64_t arg1, uint64_t arg2, uint32_t crfD) farg1.ll = arg1; farg2.ll = arg2; - if (unlikely(float64_is_quiet_nan(farg1.d) || - float64_is_quiet_nan(farg2.d))) { + if (unlikely(float64_is_any_nan(farg1.d) || + float64_is_any_nan(farg2.d))) { ret = 0x01UL; } else if (float64_lt(farg1.d, farg2.d, &env->fp_status)) { ret = 0x08UL; @@ -1548,8 +1551,8 @@ void helper_fcmpo (uint64_t arg1, uint64_t arg2, uint32_t crfD) farg1.ll = arg1; farg2.ll = arg2; - if (unlikely(float64_is_quiet_nan(farg1.d) || - float64_is_quiet_nan(farg2.d))) { + if (unlikely(float64_is_any_nan(farg1.d) || + float64_is_any_nan(farg2.d))) { ret = 0x01UL; } else if (float64_lt(farg1.d, farg2.d, &env->fp_status)) { ret = 0x08UL; @@ -3446,8 +3449,9 @@ uint32_t helper_efdctsi (uint64_t val) u.ll = val; /* NaN are not treated the same way IEEE 754 does */ - if (unlikely(float64_is_quiet_nan(u.d))) + if (unlikely(float64_is_any_nan(u.d))) { return 0; + } return float64_to_int32(u.d, &env->vec_status); } @@ -3458,8 +3462,9 @@ uint32_t helper_efdctui (uint64_t val) u.ll = val; /* NaN are not treated the same way IEEE 754 does */ - if (unlikely(float64_is_quiet_nan(u.d))) + if (unlikely(float64_is_any_nan(u.d))) { return 0; + } return float64_to_uint32(u.d, &env->vec_status); } @@ -3470,8 +3475,9 @@ uint32_t helper_efdctsiz (uint64_t val) u.ll = val; /* NaN are not treated the same way IEEE 754 does */ - if (unlikely(float64_is_quiet_nan(u.d))) + if (unlikely(float64_is_any_nan(u.d))) { return 0; + } return float64_to_int32_round_to_zero(u.d, &env->vec_status); } @@ -3482,8 +3488,9 @@ uint64_t helper_efdctsidz (uint64_t val) u.ll = val; /* NaN are not treated the same way IEEE 754 does */ - if (unlikely(float64_is_quiet_nan(u.d))) + if (unlikely(float64_is_any_nan(u.d))) { return 0; + } return float64_to_int64_round_to_zero(u.d, &env->vec_status); } @@ -3494,8 +3501,9 @@ uint32_t helper_efdctuiz (uint64_t val) u.ll = val; /* NaN are not treated the same way IEEE 754 does */ - if (unlikely(float64_is_quiet_nan(u.d))) + if (unlikely(float64_is_any_nan(u.d))) { return 0; + } return float64_to_uint32_round_to_zero(u.d, &env->vec_status); } @@ -3506,8 +3514,9 @@ uint64_t helper_efdctuidz (uint64_t val) u.ll = val; /* NaN are not treated the same way IEEE 754 does */ - if (unlikely(float64_is_quiet_nan(u.d))) + if (unlikely(float64_is_any_nan(u.d))) { return 0; + } return float64_to_uint64_round_to_zero(u.d, &env->vec_status); } @@ -3543,8 +3552,9 @@ uint32_t helper_efdctsf (uint64_t val) u.ll = val; /* NaN are not treated the same way IEEE 754 does */ - if (unlikely(float64_is_quiet_nan(u.d))) + if (unlikely(float64_is_any_nan(u.d))) { return 0; + } tmp = uint64_to_float64(1ULL << 32, &env->vec_status); u.d = float64_mul(u.d, tmp, &env->vec_status); @@ -3558,8 +3568,9 @@ uint32_t helper_efdctuf (uint64_t val) u.ll = val; /* NaN are not treated the same way IEEE 754 does */ - if (unlikely(float64_is_quiet_nan(u.d))) + if (unlikely(float64_is_any_nan(u.d))) { return 0; + } tmp = uint64_to_float64(1ULL << 32, &env->vec_status); u.d = float64_mul(u.d, tmp, &env->vec_status); |