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Fix "set but not used" warnings from MIPS bits/atomic.h.

This commit is contained in:
Joseph Myers 2012-11-17 03:35:27 +00:00
parent 150dc1a05a
commit 018f9a78d3
2 changed files with 13 additions and 4 deletions
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9
ports/ChangeLog.mips
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@ -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.

8
ports/sysdeps/mips/bits/atomic.h
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@ -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; })