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-rw-r--r--ports/ChangeLog.mips9
-rw-r--r--ports/sysdeps/mips/bits/atomic.h8
2 files changed, 13 insertions, 4 deletions
diff --git a/ports/ChangeLog.mips b/ports/ChangeLog.mips
index cdf4ea3c54..f5e73f8b30 100644
--- a/ports/ChangeLog.mips
+++ b/ports/ChangeLog.mips
@@ -1,3 +1,12 @@
+2012-11-17 Joseph Myers <joseph@codesourcery.com>
+
+ * sysdeps/mips/bits/atomic.h
+ (__arch_compare_and_exchange_bool_8_int): Mark __PREV variable
+ with __attribute__ ((unused)).
+ (__arch_compare_and_exchange_bool_16_int): Likewise.
+ (__arch_compare_and_exchange_bool_32_int): Likewise.
+ (__arch_compare_and_exchange_bool_64_int): Likewise.
+
2012-11-06 Maxim Kuvyrkov <maxim@codesourcery.com>
* sysdeps/mips/memmove.c: New file. Use memcpy for forward memmove.
diff --git a/ports/sysdeps/mips/bits/atomic.h b/ports/sysdeps/mips/bits/atomic.h
index 749e166908..c5a26b927d 100644
--- a/ports/sysdeps/mips/bits/atomic.h
+++ b/ports/sysdeps/mips/bits/atomic.h
@@ -261,22 +261,22 @@ typedef uintmax_t uatomic_max_t;
/* For all "bool" routines, we return FALSE if exchange succesful. */
# define __arch_compare_and_exchange_bool_8_int(mem, new, old, rel, acq) \
-({ typeof (*mem) __prev; int __cmp; \
+({ typeof (*mem) __prev __attribute__ ((unused)); int __cmp; \
__arch_compare_and_exchange_xxx_8_int(mem, new, old, rel, acq); \
!__cmp; })
# define __arch_compare_and_exchange_bool_16_int(mem, new, old, rel, acq) \
-({ typeof (*mem) __prev; int __cmp; \
+({ typeof (*mem) __prev __attribute__ ((unused)); int __cmp; \
__arch_compare_and_exchange_xxx_16_int(mem, new, old, rel, acq); \
!__cmp; })
# define __arch_compare_and_exchange_bool_32_int(mem, new, old, rel, acq) \
-({ typeof (*mem) __prev; int __cmp; \
+({ typeof (*mem) __prev __attribute__ ((unused)); int __cmp; \
__arch_compare_and_exchange_xxx_32_int(mem, new, old, rel, acq); \
!__cmp; })
# define __arch_compare_and_exchange_bool_64_int(mem, new, old, rel, acq) \
-({ typeof (*mem) __prev; int __cmp; \
+({ typeof (*mem) __prev __attribute__ ((unused)); int __cmp; \
__arch_compare_and_exchange_xxx_64_int(mem, new, old, rel, acq); \
!__cmp; })