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target/alpha: Write to fpcr_flush_to_zero once 

Tidy the computation of the value; no functional change.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20190921043256.4575-6-richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2019-09-20 21:32:54 -07:00 committed by Alex Bennée
parent 8cd9990526
commit a8938e5fdb
1 changed files with 4 additions and 5 deletions
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9
target/alpha/helper.c
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@ -69,14 +69,13 @@ void cpu_alpha_store_fpcr(CPUAlphaState *env, uint64_t val)
env->fpcr_exc_enable = ~t & FPCR_STATUS_MASK;
env->fpcr_dyn_round = rm_map[(fpcr & FPCR_DYN_MASK) >> FPCR_DYN_SHIFT];
env->fpcr_flush_to_zero = (fpcr & FPCR_UNFD) && (fpcr & FPCR_UNDZ);
env->fp_status.flush_inputs_to_zero = (fpcr & FPCR_DNZ) != 0;
t = (fpcr & FPCR_UNFD) && (fpcr & FPCR_UNDZ);
#ifdef CONFIG_USER_ONLY
if (env->swcr & SWCR_MAP_UMZ) {
env->fpcr_flush_to_zero = 1;
}
t |= (env->swcr & SWCR_MAP_UMZ) != 0;
#endif
env->fpcr_flush_to_zero = t;
}
uint64_t helper_load_fpcr(CPUAlphaState *env)