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authorUlrich Drepper <drepper@redhat.com>2002-11-28 01:50:27 +0000
committerUlrich Drepper <drepper@redhat.com>2002-11-28 01:50:27 +0000
commitc10c099c5745089b8d1e912da794d77e76cb2de2 (patch)
tree7ea942210afbbb3fae3ffefad064769d7cbf6f04 /nptl/sysdeps/i386/i686/bits
parentdca99d27b7b39c3df67768c4b2ed057f70902f92 (diff)
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Update.
* sysdeps/x86_64/bits/atomic.h: New file. * sysdeps/i386/i686/bits/atomic.h: Fix asm syntax for 8- and 16-bit operations.
Diffstat (limited to 'nptl/sysdeps/i386/i686/bits')
-rw-r--r--nptl/sysdeps/i386/i686/bits/atomic.h42
1 files changed, 21 insertions, 21 deletions
diff --git a/nptl/sysdeps/i386/i686/bits/atomic.h b/nptl/sysdeps/i386/i686/bits/atomic.h
index 7eb7573265..4389987425 100644
--- a/nptl/sysdeps/i386/i686/bits/atomic.h
+++ b/nptl/sysdeps/i386/i686/bits/atomic.h
@@ -57,14 +57,14 @@ typedef uintmax_t uatomic_max_t;
#define __arch_compare_and_exchange_8_acq(mem, newval, oldval) \
({ unsigned char ret; \
- __asm __volatile (LOCK "cmpxchgb %2, %1; setne %0" \
+ __asm __volatile (LOCK "cmpxchgb %b2, %1; setne %0" \
: "=a" (ret), "=m" (*mem) \
: "q" (newval), "1" (*mem), "0" (oldval)); \
ret; })
#define __arch_compare_and_exchange_16_acq(mem, newval, oldval) \
({ unsigned char ret; \
- __asm __volatile (LOCK "cmpxchgw %2, %1; setne %0" \
+ __asm __volatile (LOCK "cmpxchgw %w2, %1; setne %0" \
: "=a" (ret), "=m" (*mem) \
: "r" (newval), "1" (*mem), "0" (oldval)); \
ret; })
@@ -121,11 +121,11 @@ typedef uintmax_t uatomic_max_t;
#define atomic_exchange_and_add(mem, value) \
({ __typeof (*mem) result; \
if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK "xaddb %0, %1" \
+ __asm __volatile (LOCK "xaddb %b0, %1" \
: "=r" (result), "=m" (*mem) \
: "0" (value), "1" (*mem)); \
else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK "xaddw %0, %1" \
+ __asm __volatile (LOCK "xaddw %w0, %1" \
: "=r" (result), "=m" (*mem) \
: "0" (value), "1" (*mem)); \
else if (sizeof (*mem) == 4) \
@@ -150,11 +150,11 @@ 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 %1, %0" \
+ __asm __volatile (LOCK "addb %b1, %0" \
: "=m" (*mem) \
: "ir" (value), "0" (*mem)); \
else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK "addw %1, %0" \
+ __asm __volatile (LOCK "addw %w1, %0" \
: "=m" (*mem) \
: "ir" (value), "0" (*mem)); \
else if (sizeof (*mem) == 4) \
@@ -178,11 +178,11 @@ typedef uintmax_t uatomic_max_t;
#define atomic_add_negative(mem, value) \
({ unsigned char __result; \
if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK "addb %2, %0; sets %1" \
+ __asm __volatile (LOCK "addb %b2, %0; sets %1" \
: "=m" (*mem), "=qm" (__result) \
- : "ir" (value), "0" (*mem)); \
+ : "iq" (value), "0" (*mem)); \
else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK "addw %2, %0; sets %1" \
+ __asm __volatile (LOCK "addw %w2, %0; sets %1" \
: "=m" (*mem), "=qm" (__result) \
: "ir" (value), "0" (*mem)); \
else if (sizeof (*mem) == 4) \
@@ -197,11 +197,11 @@ typedef uintmax_t uatomic_max_t;
#define atomic_add_zero(mem, value) \
({ unsigned char __result; \
if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK "addb %2, %0; setz %1" \
+ __asm __volatile (LOCK "addb %b2, %0; setz %1" \
: "=m" (*mem), "=qm" (__result) \
: "ir" (value), "0" (*mem)); \
else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK "addw %2, %0; setz %1" \
+ __asm __volatile (LOCK "addw %w2, %0; setz %1" \
: "=m" (*mem), "=qm" (__result) \
: "ir" (value), "0" (*mem)); \
else if (sizeof (*mem) == 4) \
@@ -215,11 +215,11 @@ typedef uintmax_t uatomic_max_t;
#define atomic_increment(mem) \
(void) ({ if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK "incb %0" \
+ __asm __volatile (LOCK "incb %b0" \
: "=m" (*mem) \
: "0" (*mem)); \
else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK "incw %0" \
+ __asm __volatile (LOCK "incw %w0" \
: "=m" (*mem) \
: "0" (*mem)); \
else if (sizeof (*mem) == 4) \
@@ -242,11 +242,11 @@ typedef uintmax_t uatomic_max_t;
#define atomic_increment_and_test(mem) \
({ unsigned char __result; \
if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK "incb %0; sete %1" \
+ __asm __volatile (LOCK "incb %0; sete %b1" \
: "=m" (*mem), "=qm" (__result) \
: "0" (*mem)); \
else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK "incw %0; sete %1" \
+ __asm __volatile (LOCK "incw %0; sete %w1" \
: "=m" (*mem), "=qm" (__result) \
: "0" (*mem)); \
else if (sizeof (*mem) == 4) \
@@ -260,11 +260,11 @@ typedef uintmax_t uatomic_max_t;
#define atomic_decrement(mem) \
(void) ({ if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK "decb %0" \
+ __asm __volatile (LOCK "decb %b0" \
: "=m" (*mem) \
: "0" (*mem)); \
else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK "decw %0" \
+ __asm __volatile (LOCK "decw %w0" \
: "=m" (*mem) \
: "0" (*mem)); \
else if (sizeof (*mem) == 4) \
@@ -287,11 +287,11 @@ typedef uintmax_t uatomic_max_t;
#define atomic_decrement_and_test(mem) \
({ unsigned char __result; \
if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK "decb %0; sete %1" \
+ __asm __volatile (LOCK "decb %b0; sete %1" \
: "=m" (*mem), "=qm" (__result) \
: "0" (*mem)); \
else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK "decw %0; sete %1" \
+ __asm __volatile (LOCK "decw %w0; sete %1" \
: "=m" (*mem), "=qm" (__result) \
: "0" (*mem)); \
else if (sizeof (*mem) == 4) \
@@ -305,11 +305,11 @@ typedef uintmax_t uatomic_max_t;
#define atomic_bit_set(mem, bit) \
(void) ({ if (sizeof (*mem) == 1) \
- __asm __volatile (LOCK "orb %2, %0" \
+ __asm __volatile (LOCK "orb %b2, %0" \
: "=m" (*mem) \
: "0" (*mem), "i" (1 << (bit))); \
else if (sizeof (*mem) == 2) \
- __asm __volatile (LOCK "orw %2, %0" \
+ __asm __volatile (LOCK "orw %w2, %0" \
: "=m" (*mem) \
: "0" (*mem), "i" (1 << (bit))); \
else if (sizeof (*mem) == 4) \