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[PULL,15/39] translate-all: Adjust 256mb testing for mips64

Message ID 1463098420-29113-16-git-send-email-rth@twiddle.net (mailing list archive)
State New, archived
Headers show

Commit Message

Richard Henderson May 13, 2016, 12:13 a.m. UTC 
Make sure we preserve the high 32-bits when masking for mips64.

Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 translate-all.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/translate-all.c b/translate-all.c
index 93b91ba..79a515d 100644
--- a/translate-all.c
+++ b/translate-all.c
@@ -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;