diff options
author | Chris Dearman <chris@mips.com> | 2011-02-08 19:03:30 -0800 |
---|---|---|
committer | Aurelien Jarno <aurelien@aurel32.net> | 2011-02-09 19:45:24 +0100 |
commit | efd410373a4551911f3928bb2ccdf28792b294bf (patch) | |
tree | 19179be279801e4bcdc9d65f555a04d061fbdce9 /target-mips | |
parent | cc2212c2f851291929becc3f4fd153d05ca4c54a (diff) | |
download | qemu-efd410373a4551911f3928bb2ccdf28792b294bf.zip qemu-efd410373a4551911f3928bb2ccdf28792b294bf.tar.gz qemu-efd410373a4551911f3928bb2ccdf28792b294bf.tar.bz2 |
[PATCH] [MIPS] Clear softfpu exception state for round, trunc, ceil and floor
MIPS FPU instructions should start with a clean softfpu status. This
is done for the arithmetic operations and cvt instructions, but not
for round, trunc, ceil and floor.
Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target-mips')
-rw-r--r-- | target-mips/op_helper.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c index 669faf1..bd16ce3 100644 --- a/target-mips/op_helper.c +++ b/target-mips/op_helper.c @@ -2282,6 +2282,7 @@ uint64_t helper_float_roundl_d(uint64_t fdt0) { uint64_t dt2; + set_float_exception_flags(0, &env->active_fpu.fp_status); 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; @@ -2295,6 +2296,7 @@ uint64_t helper_float_roundl_s(uint32_t fst0) { uint64_t dt2; + set_float_exception_flags(0, &env->active_fpu.fp_status); 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; @@ -2308,6 +2310,7 @@ uint32_t helper_float_roundw_d(uint64_t fdt0) { uint32_t wt2; + set_float_exception_flags(0, &env->active_fpu.fp_status); 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; @@ -2321,6 +2324,7 @@ uint32_t helper_float_roundw_s(uint32_t fst0) { uint32_t wt2; + set_float_exception_flags(0, &env->active_fpu.fp_status); 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; @@ -2334,6 +2338,7 @@ uint64_t helper_float_truncl_d(uint64_t fdt0) { uint64_t dt2; + set_float_exception_flags(0, &env->active_fpu.fp_status); dt2 = float64_to_int64_round_to_zero(fdt0, &env->active_fpu.fp_status); update_fcr31(); if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID)) @@ -2345,6 +2350,7 @@ uint64_t helper_float_truncl_s(uint32_t fst0) { uint64_t dt2; + set_float_exception_flags(0, &env->active_fpu.fp_status); dt2 = float32_to_int64_round_to_zero(fst0, &env->active_fpu.fp_status); update_fcr31(); if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID)) @@ -2356,6 +2362,7 @@ uint32_t helper_float_truncw_d(uint64_t fdt0) { uint32_t wt2; + set_float_exception_flags(0, &env->active_fpu.fp_status); wt2 = float64_to_int32_round_to_zero(fdt0, &env->active_fpu.fp_status); update_fcr31(); if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID)) @@ -2367,6 +2374,7 @@ uint32_t helper_float_truncw_s(uint32_t fst0) { uint32_t wt2; + set_float_exception_flags(0, &env->active_fpu.fp_status); wt2 = float32_to_int32_round_to_zero(fst0, &env->active_fpu.fp_status); update_fcr31(); if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID)) @@ -2378,6 +2386,7 @@ uint64_t helper_float_ceill_d(uint64_t fdt0) { uint64_t dt2; + set_float_exception_flags(0, &env->active_fpu.fp_status); 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; @@ -2391,6 +2400,7 @@ uint64_t helper_float_ceill_s(uint32_t fst0) { uint64_t dt2; + set_float_exception_flags(0, &env->active_fpu.fp_status); 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; @@ -2404,6 +2414,7 @@ uint32_t helper_float_ceilw_d(uint64_t fdt0) { uint32_t wt2; + set_float_exception_flags(0, &env->active_fpu.fp_status); 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; @@ -2417,6 +2428,7 @@ uint32_t helper_float_ceilw_s(uint32_t fst0) { uint32_t wt2; + set_float_exception_flags(0, &env->active_fpu.fp_status); 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; @@ -2430,6 +2442,7 @@ uint64_t helper_float_floorl_d(uint64_t fdt0) { uint64_t dt2; + set_float_exception_flags(0, &env->active_fpu.fp_status); 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; @@ -2443,6 +2456,7 @@ uint64_t helper_float_floorl_s(uint32_t fst0) { uint64_t dt2; + set_float_exception_flags(0, &env->active_fpu.fp_status); 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; @@ -2456,6 +2470,7 @@ uint32_t helper_float_floorw_d(uint64_t fdt0) { uint32_t wt2; + set_float_exception_flags(0, &env->active_fpu.fp_status); 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; @@ -2469,6 +2484,7 @@ uint32_t helper_float_floorw_s(uint32_t fst0) { uint32_t wt2; + set_float_exception_flags(0, &env->active_fpu.fp_status); 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; |