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target-alpha: Avoid gcc 6.1 werror for linux-user 

Using gcc 6.1 for alpha-linux-user target we see the following build error:

.../target-alpha/translate.c: In function ‘in_superpage’:
.../target-alpha/translate.c:454:52: error: self-comparison always evaluates to true [-Werror=tautological-compare]
             && addr >> TARGET_VIRT_ADDR_SPACE_BITS == addr >> 63);

Reported-by: Pranith Kumar <bobby.prani@gmail.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Message-id: 1466192793-2559-1-git-send-email-rth@twiddle.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2016-06-17 12:46:33 -07:00 committed by Peter Maydell
parent 14e60aaece
commit fdc997ef54
1 changed files with 6 additions and 3 deletions
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9
target-alpha/translate.c
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@ -449,10 +449,13 @@ static ExitStatus gen_store_conditional(DisasContext *ctx, int ra, int rb,
static bool in_superpage(DisasContext *ctx, int64_t addr)
{
#ifndef CONFIG_USER_ONLY
return ((ctx->tb->flags & TB_FLAGS_USER_MODE) == 0
&& addr < 0
&& ((addr >> 41) & 3) == 2
&& addr >> TARGET_VIRT_ADDR_SPACE_BITS == addr >> 63);
&& addr >> TARGET_VIRT_ADDR_SPACE_BITS == -1
&& ((addr >> 41) & 3) == 2);
#else
return false;
#endif
}
static bool use_goto_tb(DisasContext *ctx, uint64_t dest)