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target/sh4: Keep env->flags clean

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If we mask off any out-of-band bits before we assign to the
variable, then we don't need to clean it up when reading.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Message-Id: <20170718200255.31647-5-rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Richard Henderson 2017-07-18 10:02:29 -10:00 • committed by Aurelien Jarno
parent e1933d1435
commit ca69176d52
2 changed files with 2 additions and 2 deletions
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2
target/sh4/cpu.c
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@ -39,7 +39,7 @@ static void superh_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb)
SuperHCPU *cpu = SUPERH_CPU(cs);
cpu->env.pc = tb->pc;
cpu->env.flags = tb->flags;
cpu->env.flags = tb->flags & TB_FLAG_ENVFLAGS_MASK;
}
static bool superh_cpu_has_work(CPUState *cs)