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[PATCH 5/7] target/alpha: Write to fpcr_flush_to_zero once
From: |
Richard Henderson |
Subject: |
[PATCH 5/7] target/alpha: Write to fpcr_flush_to_zero once |
Date: |
Fri, 20 Sep 2019 21:32:54 -0700 |
Tidy the computation of the value; no functional change.
Signed-off-by: Richard Henderson <address@hidden>
---
target/alpha/helper.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/target/alpha/helper.c b/target/alpha/helper.c
index 2f959c65ef..1b3479738b 100644
--- a/target/alpha/helper.c
+++ b/target/alpha/helper.c
@@ -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)
--
2.17.1
- [PATCH 0/7] target/alpha: Fix linux-user exception for CVTTQ, Richard Henderson, 2019/09/21
- [PATCH 1/7] target/alpha: Use array for FPCR_DYN conversion, Richard Henderson, 2019/09/21
- [PATCH 2/7] target/alpha: Fix SWCR_MAP_UMZ, Richard Henderson, 2019/09/21
- [PATCH 5/7] target/alpha: Write to fpcr_flush_to_zero once,
Richard Henderson <=
- [PATCH 3/7] target/alpha: Fix SWCR_TRAP_ENABLE_MASK, Richard Henderson, 2019/09/21
- [PATCH 7/7] target/alpha: Tidy helper_fp_exc_raise_s, Richard Henderson, 2019/09/21
- [PATCH 6/7] target/alpha: Mask IOV exception with INV for user-only, Richard Henderson, 2019/09/21
- [PATCH 4/7] target/alpha: Handle SWCR_MAP_DMZ earlier, Richard Henderson, 2019/09/21
- Re: [PATCH 0/7] target/alpha: Fix linux-user exception for CVTTQ, Alex Bennée, 2019/09/23