diff options
Diffstat (limited to 'sysdeps/x86_64/bits/atomic.h')
-rw-r--r-- | sysdeps/x86_64/bits/atomic.h | 96 |
1 files changed, 48 insertions, 48 deletions
diff --git a/sysdeps/x86_64/bits/atomic.h b/sysdeps/x86_64/bits/atomic.h index 0582103..ece260d 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; }) |