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| author | Leon Alrae <leon.alrae@imgtec.com> | 2015-02-20 13:07:45 +0000 |
|---|---|---|
| committer | Leon Alrae <leon.alrae@imgtec.com> | 2015-03-11 14:13:57 +0000 |
| commit | 644511117e7ca9f26d633a59c202a297113a796c (patch) | |
| tree | 1a213779e8c4320e00ef6f24c0a49705aef1ac96 /target-mips/translate_init.c | |
| parent | 04cd79625fa4103c5839ba36ad476dd22f7f7557 (diff) | |
| download | qemu-644511117e7ca9f26d633a59c202a297113a796c.tar.gz | |
target-mips: add missing MSACSR and restore fp_status and hflags
Save MSACSR state. Also remove fp_status, msa_fp_status, hflags and restore
them in post_load() from the architectural registers.
Float exception flags are not present in vmstate. Information they carry
is used only by softfloat caller who translates them into MIPS FCSR.Cause,
FCSR.Flags and then they are cleared. Therefore there is no need for saving
them in vmstate.
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-mips/translate_init.c')
| -rw-r--r-- | target-mips/translate_init.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/target-mips/translate_init.c b/target-mips/translate_init.c index 9e8433a919..85a65e74b4 100644 --- a/target-mips/translate_init.c +++ b/target-mips/translate_init.c @@ -835,6 +835,8 @@ static void msa_reset(CPUMIPSState *env) - round to nearest / ties to even (RM bits are 0) */ env->active_tc.msacsr = 0; + restore_msa_fp_status(env); + /* tininess detected after rounding.*/ set_float_detect_tininess(float_tininess_after_rounding, &env->active_tc.msa_fp_status); @@ -842,14 +844,6 @@ static void msa_reset(CPUMIPSState *env) /* clear float_status exception flags */ set_float_exception_flags(0, &env->active_tc.msa_fp_status); - /* set float_status rounding mode */ - set_float_rounding_mode(float_round_nearest_even, - &env->active_tc.msa_fp_status); - - /* set float_status flush modes */ - set_flush_to_zero(0, &env->active_tc.msa_fp_status); - set_flush_inputs_to_zero(0, &env->active_tc.msa_fp_status); - /* clear float_status nan mode */ set_default_nan_mode(0, &env->active_tc.msa_fp_status); } |