diff options
| author | Bastian Koppelmann <kbastian@mail.uni-paderborn.de> | 2016-10-06 17:52:04 +0200 |
|---|---|---|
| committer | Bastian Koppelmann <kbastian@mail.uni-paderborn.de> | 2017-01-11 14:37:37 +0100 |
| commit | 50788a3fdbade5f8ed1c8296988578133c52c6aa (patch) | |
| tree | 27648582bc2ac2c55ad0afccce000c968a375f93 /target/tricore/fpu_helper.c | |
| parent | dedd8c9c32cf753d1868d347b985c36a0a02af9a (diff) | |
target-tricore: Add updfl instruction
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target/tricore/fpu_helper.c')
| -rw-r--r-- | target/tricore/fpu_helper.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/target/tricore/fpu_helper.c b/target/tricore/fpu_helper.c index 9bfed28b45..7979bb6692 100644 --- a/target/tricore/fpu_helper.c +++ b/target/tricore/fpu_helper.c @@ -333,3 +333,17 @@ uint32_t helper_ftouz(CPUTriCoreState *env, uint32_t arg) } return result; } + +void helper_updfl(CPUTriCoreState *env, uint32_t arg) +{ + env->FPU_FS = extract32(arg, 7, 1) & extract32(arg, 15, 1); + env->FPU_FI = (extract32(arg, 6, 1) & extract32(arg, 14, 1)) << 31; + env->FPU_FV = (extract32(arg, 5, 1) & extract32(arg, 13, 1)) << 31; + env->FPU_FZ = (extract32(arg, 4, 1) & extract32(arg, 12, 1)) << 31; + env->FPU_FU = (extract32(arg, 3, 1) & extract32(arg, 11, 1)) << 31; + /* clear FX and RM */ + env->PSW &= ~(extract32(arg, 10, 1) << 26); + env->PSW |= (extract32(arg, 2, 1) & extract32(arg, 10, 1)) << 26; + + fpu_set_state(env); +} |