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translate-all: Adjust 256mb testing for mips64

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Make sure we preserve the high 32-bits when masking for mips64.

Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2016-04-24 15:55:29 -07:00
parent 8bdf499782
commit 7ba6a512ae
1 changed files with 2 additions and 2 deletions
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translate-all.c
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@ -515,7 +515,7 @@ static inline size_t size_code_gen_buffer(size_t tb_size)
that the buffer not cross a 256MB boundary. */
static inline bool cross_256mb(void *addr, size_t size)
{
return ((uintptr_t)addr ^ ((uintptr_t)addr + size)) & 0xf0000000;
return ((uintptr_t)addr ^ ((uintptr_t)addr + size)) & ~0x0ffffffful;
}
/* We weren't able to allocate a buffer without crossing that boundary,
@ -523,7 +523,7 @@ static inline bool cross_256mb(void *addr, size_t size)
Returns the new base of the buffer, and adjusts code_gen_buffer_size. */
static inline void *split_cross_256mb(void *buf1, size_t size1)
{
void *buf2 = (void *)(((uintptr_t)buf1 + size1) & 0xf0000000);
void *buf2 = (void *)(((uintptr_t)buf1 + size1) & ~0x0ffffffful);
size_t size2 = buf1 + size1 - buf2;
size1 = buf2 - buf1;