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Diffstat (limited to 'sysdeps/x86_64/bits/atomic.h')
-rw-r--r--sysdeps/x86_64/bits/atomic.h96
1 files changed, 48 insertions, 48 deletions
diff --git a/sysdeps/x86_64/bits/atomic.h b/sysdeps/x86_64/bits/atomic.h
index 0582103f2a..ece260d4d9 100644
--- a/sysdeps/x86_64/bits/atomic.h
+++ b/sysdeps/x86_64/bits/atomic.h
@@ -46,39 +46,39 @@ typedef intmax_t atomic_max_t;
typedef uintmax_t uatomic_max_t;
-#ifndef LOCK
+#ifndef LOCK_PREFIX
# ifdef UP
-# define LOCK /* nothing */
+# define LOCK_PREFIX /* nothing */
# else
-# define LOCK "lock;"
+# define LOCK_PREFIX "lock;"
# endif
#endif
#define __arch_compare_and_exchange_val_8_acq(mem, newval, oldval) \
({ __typeof (*mem) ret; \
- __asm __volatile (LOCK "cmpxchgb %b2, %1" \
+ __asm __volatile (LOCK_PREFIX "cmpxchgb %b2, %1" \
: "=a" (ret), "=m" (*mem) \
: "q" (newval), "m" (*mem), "0" (oldval)); \
ret; })
#define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \
({ __typeof (*mem) ret; \
- __asm __volatile (LOCK "cmpxchgw %w2, %1" \
+ __asm __volatile (LOCK_PREFIX "cmpxchgw %w2, %1" \
: "=a" (ret), "=m" (*mem) \
: "r" (newval), "m" (*mem), "0" (oldval)); \
ret; })
#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \
({ __typeof (*mem) ret; \
- __asm __volatile (LOCK "cmpxchgl %2, %1" \
+ __asm __volatile (LOCK_PREFIX "cmpxchgl %2, %1" \
: "=a" (ret), "=m" (*mem) \
: "r" (newval), "m" (*mem), "0" (oldval)); \
ret; })
#define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \
({ __typeof (*mem) ret; \
- __asm __volatile (LOCK "cmpxchgq %q2, %1" \
+ __asm __volatile (LOCK_PREFIX "cmpxchgq %q2, %1" \
: "=a" (ret), "=m" (*mem) \
: "r" ((long) (newval)), "m" (*mem), \
"0" ((long) (oldval))); \
@@ -110,19 +110,19 @@ typedef uintmax_t uatomic_max_t;
#define atomic_exchange_and_add(mem, value) \
({ __typeof (*mem) result; \
if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK "xaddb %b0, %1" \
+ __asm __volatile (LOCK_PREFIX "xaddb %b0, %1" \
: "=r" (result), "=m" (*mem) \
: "0" (value), "m" (*mem)); \
else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK "xaddw %w0, %1" \
+ __asm __volatile (LOCK_PREFIX "xaddw %w0, %1" \
: "=r" (result), "=m" (*mem) \
: "0" (value), "m" (*mem)); \
else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK "xaddl %0, %1" \
+ __asm __volatile (LOCK_PREFIX "xaddl %0, %1" \
: "=r" (result), "=m" (*mem) \
: "0" (value), "m" (*mem)); \
else \
- __asm __volatile (LOCK "xaddq %q0, %1" \
+ __asm __volatile (LOCK_PREFIX "xaddq %q0, %1" \
: "=r" (result), "=m" (*mem) \
: "0" ((long) (value)), "m" (*mem)); \
result; })
@@ -134,19 +134,19 @@ typedef uintmax_t uatomic_max_t;
else if (__builtin_constant_p (value) && (value) == 1) \
atomic_decrement (mem); \
else if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK "addb %b1, %0" \
+ __asm __volatile (LOCK_PREFIX "addb %b1, %0" \
: "=m" (*mem) \
: "ir" (value), "m" (*mem)); \
else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK "addw %w1, %0" \
+ __asm __volatile (LOCK_PREFIX "addw %w1, %0" \
: "=m" (*mem) \
: "ir" (value), "m" (*mem)); \
else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK "addl %1, %0" \
+ __asm __volatile (LOCK_PREFIX "addl %1, %0" \
: "=m" (*mem) \
: "ir" (value), "m" (*mem)); \
else \
- __asm __volatile (LOCK "addq %q1, %0" \
+ __asm __volatile (LOCK_PREFIX "addq %q1, %0" \
: "=m" (*mem) \
: "ir" ((long) (value)), "m" (*mem)); \
})
@@ -155,19 +155,19 @@ typedef uintmax_t uatomic_max_t;
#define atomic_add_negative(mem, value) \
({ unsigned char __result; \
if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK "addb %b2, %0; sets %1" \
+ __asm __volatile (LOCK_PREFIX "addb %b2, %0; sets %1" \
: "=m" (*mem), "=qm" (__result) \
: "ir" (value), "m" (*mem)); \
else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK "addw %w2, %0; sets %1" \
+ __asm __volatile (LOCK_PREFIX "addw %w2, %0; sets %1" \
: "=m" (*mem), "=qm" (__result) \
: "ir" (value), "m" (*mem)); \
else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK "addl %2, %0; sets %1" \
+ __asm __volatile (LOCK_PREFIX "addl %2, %0; sets %1" \
: "=m" (*mem), "=qm" (__result) \
: "ir" (value), "m" (*mem)); \
else \
- __asm __volatile (LOCK "addq %q2, %0; sets %1" \
+ __asm __volatile (LOCK_PREFIX "addq %q2, %0; sets %1" \
: "=m" (*mem), "=qm" (__result) \
: "ir" ((long) (value)), "m" (*mem)); \
__result; })
@@ -176,19 +176,19 @@ typedef uintmax_t uatomic_max_t;
#define atomic_add_zero(mem, value) \
({ unsigned char __result; \
if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK "addb %b2, %0; setz %1" \
+ __asm __volatile (LOCK_PREFIX "addb %b2, %0; setz %1" \
: "=m" (*mem), "=qm" (__result) \
: "ir" (value), "m" (*mem)); \
else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK "addw %w2, %0; setz %1" \
+ __asm __volatile (LOCK_PREFIX "addw %w2, %0; setz %1" \
: "=m" (*mem), "=qm" (__result) \
: "ir" (value), "m" (*mem)); \
else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK "addl %2, %0; setz %1" \
+ __asm __volatile (LOCK_PREFIX "addl %2, %0; setz %1" \
: "=m" (*mem), "=qm" (__result) \
: "ir" (value), "m" (*mem)); \
else \
- __asm __volatile (LOCK "addq %q2, %0; setz %1" \
+ __asm __volatile (LOCK_PREFIX "addq %q2, %0; setz %1" \
: "=m" (*mem), "=qm" (__result) \
: "ir" ((long) (value)), "m" (*mem)); \
__result; })
@@ -196,19 +196,19 @@ typedef uintmax_t uatomic_max_t;
#define atomic_increment(mem) \
(void) ({ if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK "incb %b0" \
+ __asm __volatile (LOCK_PREFIX "incb %b0" \
: "=m" (*mem) \
: "m" (*mem)); \
else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK "incw %w0" \
+ __asm __volatile (LOCK_PREFIX "incw %w0" \
: "=m" (*mem) \
: "m" (*mem)); \
else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK "incl %0" \
+ __asm __volatile (LOCK_PREFIX "incl %0" \
: "=m" (*mem) \
: "m" (*mem)); \
else \
- __asm __volatile (LOCK "incq %q0" \
+ __asm __volatile (LOCK_PREFIX "incq %q0" \
: "=m" (*mem) \
: "m" (*mem)); \
})
@@ -217,19 +217,19 @@ typedef uintmax_t uatomic_max_t;
#define atomic_increment_and_test(mem) \
({ unsigned char __result; \
if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK "incb %b0; sete %1" \
+ __asm __volatile (LOCK_PREFIX "incb %b0; sete %1" \
: "=m" (*mem), "=qm" (__result) \
: "m" (*mem)); \
else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK "incw %w0; sete %1" \
+ __asm __volatile (LOCK_PREFIX "incw %w0; sete %1" \
: "=m" (*mem), "=qm" (__result) \
: "m" (*mem)); \
else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK "incl %0; sete %1" \
+ __asm __volatile (LOCK_PREFIX "incl %0; sete %1" \
: "=m" (*mem), "=qm" (__result) \
: "m" (*mem)); \
else \
- __asm __volatile (LOCK "incq %q0; sete %1" \
+ __asm __volatile (LOCK_PREFIX "incq %q0; sete %1" \
: "=m" (*mem), "=qm" (__result) \
: "m" (*mem)); \
__result; })
@@ -237,19 +237,19 @@ typedef uintmax_t uatomic_max_t;
#define atomic_decrement(mem) \
(void) ({ if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK "decb %b0" \
+ __asm __volatile (LOCK_PREFIX "decb %b0" \
: "=m" (*mem) \
: "m" (*mem)); \
else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK "decw %w0" \
+ __asm __volatile (LOCK_PREFIX "decw %w0" \
: "=m" (*mem) \
: "m" (*mem)); \
else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK "decl %0" \
+ __asm __volatile (LOCK_PREFIX "decl %0" \
: "=m" (*mem) \
: "m" (*mem)); \
else \
- __asm __volatile (LOCK "decq %q0" \
+ __asm __volatile (LOCK_PREFIX "decq %q0" \
: "=m" (*mem) \
: "m" (*mem)); \
})
@@ -258,19 +258,19 @@ typedef uintmax_t uatomic_max_t;
#define atomic_decrement_and_test(mem) \
({ unsigned char __result; \
if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK "decb %b0; sete %1" \
+ __asm __volatile (LOCK_PREFIX "decb %b0; sete %1" \
: "=m" (*mem), "=qm" (__result) \
: "m" (*mem)); \
else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK "decw %w0; sete %1" \
+ __asm __volatile (LOCK_PREFIX "decw %w0; sete %1" \
: "=m" (*mem), "=qm" (__result) \
: "m" (*mem)); \
else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK "decl %0; sete %1" \
+ __asm __volatile (LOCK_PREFIX "decl %0; sete %1" \
: "=m" (*mem), "=qm" (__result) \
: "m" (*mem)); \
else \
- __asm __volatile (LOCK "decq %q0; sete %1" \
+ __asm __volatile (LOCK_PREFIX "decq %q0; sete %1" \
: "=m" (*mem), "=qm" (__result) \
: "m" (*mem)); \
__result; })
@@ -278,23 +278,23 @@ typedef uintmax_t uatomic_max_t;
#define atomic_bit_set(mem, bit) \
(void) ({ if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK "orb %b2, %0" \
+ __asm __volatile (LOCK_PREFIX "orb %b2, %0" \
: "=m" (*mem) \
: "m" (*mem), "ir" (1L << (bit))); \
else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK "orw %w2, %0" \
+ __asm __volatile (LOCK_PREFIX "orw %w2, %0" \
: "=m" (*mem) \
: "m" (*mem), "ir" (1L << (bit))); \
else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK "orl %2, %0" \
+ __asm __volatile (LOCK_PREFIX "orl %2, %0" \
: "=m" (*mem) \
: "m" (*mem), "ir" (1L << (bit))); \
else if (__builtin_constant_p (bit) && (bit) < 32) \
- __asm __volatile (LOCK "orq %2, %0" \
+ __asm __volatile (LOCK_PREFIX "orq %2, %0" \
: "=m" (*mem) \
: "m" (*mem), "i" (1L << (bit))); \
else \
- __asm __volatile (LOCK "orq %q2, %0" \
+ __asm __volatile (LOCK_PREFIX "orq %q2, %0" \
: "=m" (*mem) \
: "m" (*mem), "r" (1UL << (bit))); \
})
@@ -303,19 +303,19 @@ typedef uintmax_t uatomic_max_t;
#define atomic_bit_test_set(mem, bit) \
({ unsigned char __result; \
if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK "btsb %3, %1; setc %0" \
+ __asm __volatile (LOCK_PREFIX "btsb %3, %1; setc %0" \
: "=q" (__result), "=m" (*mem) \
: "m" (*mem), "ir" (bit)); \
else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK "btsw %3, %1; setc %0" \
+ __asm __volatile (LOCK_PREFIX "btsw %3, %1; setc %0" \
: "=q" (__result), "=m" (*mem) \
: "m" (*mem), "ir" (bit)); \
else if (sizeof (*mem) == 4) \
- __asm __volatile (LOCK "btsl %3, %1; setc %0" \
+ __asm __volatile (LOCK_PREFIX "btsl %3, %1; setc %0" \
: "=q" (__result), "=m" (*mem) \
: "m" (*mem), "ir" (bit)); \
else \
- __asm __volatile (LOCK "btsq %3, %1; setc %0" \
+ __asm __volatile (LOCK_PREFIX "btsq %3, %1; setc %0" \
: "=q" (__result), "=m" (*mem) \
: "m" (*mem), "ir" (bit)); \
__result; })
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