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authorSteve Ellcey <sellcey@mips.com>2014-01-29 09:54:34 -0800
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2014-02-02 21:35:24 +0100
commitd31846a1b993cfe4b7d983db0e5c140dac3b0220 (patch)
treefc5ee6797215cde817b2e84f5224c041ec115d1e /libc/sysdeps/linux
parent0f363664b5c903feba16b87eb565608c28c4e504 (diff)
mips: silence 'set but not used' warnings
This patch uses 'attribute_unused' to clean up a number of warnings messages that are generated when doing a MIPS build. All of the changes are in MIPS specific files and there are no code changes other then adding the unused attribute where needed. Signed-off-by: Steve Ellcey <sellcey@mips.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Diffstat (limited to 'libc/sysdeps/linux')
-rw-r--r--libc/sysdeps/linux/mips/bits/atomic.h16
-rw-r--r--libc/sysdeps/linux/mips/bits/syscalls.h2
-rw-r--r--libc/sysdeps/linux/mips/sysdep.h2
3 files changed, 10 insertions, 10 deletions
diff --git a/libc/sysdeps/linux/mips/bits/atomic.h b/libc/sysdeps/linux/mips/bits/atomic.h
index 9a9f60f85..60ee0a6f8 100644
--- a/libc/sysdeps/linux/mips/bits/atomic.h
+++ b/libc/sysdeps/linux/mips/bits/atomic.h
@@ -135,22 +135,22 @@ 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; })
@@ -158,22 +158,22 @@ typedef uintmax_t uatomic_max_t;
successful or not. */
#define __arch_compare_and_exchange_val_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); \
(__typeof (*mem))__prev; })
#define __arch_compare_and_exchange_val_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); \
(__typeof (*mem))__prev; })
#define __arch_compare_and_exchange_val_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); \
(__typeof (*mem))__prev; })
#define __arch_compare_and_exchange_val_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); \
(__typeof (*mem))__prev; })
diff --git a/libc/sysdeps/linux/mips/bits/syscalls.h b/libc/sysdeps/linux/mips/bits/syscalls.h
index 944d0382d..787bb7d55 100644
--- a/libc/sysdeps/linux/mips/bits/syscalls.h
+++ b/libc/sysdeps/linux/mips/bits/syscalls.h
@@ -29,7 +29,7 @@
} \
result_var; })
-#define INTERNAL_SYSCALL_DECL(err) long err
+#define INTERNAL_SYSCALL_DECL(err) long err attribute_unused
#define INTERNAL_SYSCALL_ERROR_P(val, err) ((long) (err))
diff --git a/libc/sysdeps/linux/mips/sysdep.h b/libc/sysdeps/linux/mips/sysdep.h
index 46b6c5376..b6d4f1045 100644
--- a/libc/sysdeps/linux/mips/sysdep.h
+++ b/libc/sysdeps/linux/mips/sysdep.h
@@ -144,7 +144,7 @@ L(syse1):
result_var; })
#undef INTERNAL_SYSCALL_DECL
-#define INTERNAL_SYSCALL_DECL(err) long err
+#define INTERNAL_SYSCALL_DECL(err) long err attribute_unused
#undef INTERNAL_SYSCALL_ERROR_P
#define INTERNAL_SYSCALL_ERROR_P(val, err) ((long) (err))