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2003-03-21  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/x86_64/bits/atomic.h: Don't use matching memory constraints.
	* sysdeps/i386/i486/bits/atomic.h: Likewise.
This commit is contained in:
Ulrich Drepper 2003-03-21 09:51:39 +00:00
parent abfd53d134
commit 4541b483a9
2 changed files with 43 additions and 38 deletions
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5
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@ -1,3 +1,8 @@
2003-03-21 Ulrich Drepper <drepper@redhat.com>
* sysdeps/x86_64/bits/atomic.h: Don't use matching memory constraints.
* sysdeps/i386/i486/bits/atomic.h: Likewise.
2003-03-21 Roland McGrath <roland@redhat.com> 2003-03-21 Roland McGrath <roland@redhat.com>
* include/atomic.h (atomic_compare_and_exchange_bool_acq): Typo fix. * include/atomic.h (atomic_compare_and_exchange_bool_acq): Typo fix.

76
sysdeps/i386/i486/bits/atomic.h
View File

@ -59,21 +59,21 @@ typedef uintmax_t uatomic_max_t;
({ __typeof (*mem) ret; \ ({ __typeof (*mem) ret; \
__asm __volatile (LOCK "cmpxchgb %b2, %1" \ __asm __volatile (LOCK "cmpxchgb %b2, %1" \
: "=a" (ret), "=m" (*mem) \ : "=a" (ret), "=m" (*mem) \
: "q" (newval), "1" (*mem), "0" (oldval)); \ : "q" (newval), "m" (*mem), "0" (oldval)); \
ret; }) ret; })
#define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \ #define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \
({ __typeof (*mem) ret; \ ({ __typeof (*mem) ret; \
__asm __volatile (LOCK "cmpxchgw %w2, %1" \ __asm __volatile (LOCK "cmpxchgw %w2, %1" \
: "=a" (ret), "=m" (*mem) \ : "=a" (ret), "=m" (*mem) \
: "r" (newval), "1" (*mem), "0" (oldval)); \ : "r" (newval), "m" (*mem), "0" (oldval)); \
ret; }) ret; })
#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \ #define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \
({ __typeof (*mem) ret; \ ({ __typeof (*mem) ret; \
__asm __volatile (LOCK "cmpxchgl %2, %1" \ __asm __volatile (LOCK "cmpxchgl %2, %1" \
: "=a" (ret), "=m" (*mem) \ : "=a" (ret), "=m" (*mem) \
: "r" (newval), "1" (*mem), "0" (oldval)); \ : "r" (newval), "m" (*mem), "0" (oldval)); \
ret; }) ret; })
/* XXX We do not really need 64-bit compare-and-exchange. At least /* XXX We do not really need 64-bit compare-and-exchange. At least
@ -96,7 +96,7 @@ typedef uintmax_t uatomic_max_t;
: "DS" (((unsigned long long int) (newval)) \ : "DS" (((unsigned long long int) (newval)) \
& 0xffffffff), \ & 0xffffffff), \
"c" (((unsigned long long int) (newval)) >> 32), \ "c" (((unsigned long long int) (newval)) >> 32), \
"1" (*mem), "a" (((unsigned long long int) (oldval)) \ "m" (*mem), "a" (((unsigned long long int) (oldval)) \
& 0xffffffff), \ & 0xffffffff), \
"d" (((unsigned long long int) (oldval)) >> 32)); \ "d" (((unsigned long long int) (oldval)) >> 32)); \
ret; }) ret; })
@ -108,7 +108,7 @@ typedef uintmax_t uatomic_max_t;
: "b" (((unsigned long long int) (newval)) \ : "b" (((unsigned long long int) (newval)) \
& 0xffffffff), \ & 0xffffffff), \
"c" (((unsigned long long int) (newval)) >> 32), \ "c" (((unsigned long long int) (newval)) >> 32), \
"1" (*mem), "a" (((unsigned long long int) (oldval)) \ "m" (*mem), "a" (((unsigned long long int) (oldval)) \
& 0xffffffff), \ & 0xffffffff), \
"d" (((unsigned long long int) (oldval)) >> 32)); \ "d" (((unsigned long long int) (oldval)) >> 32)); \
ret; }) ret; })
@ -122,15 +122,15 @@ typedef uintmax_t uatomic_max_t;
if (sizeof (*mem) == 1) \ if (sizeof (*mem) == 1) \
__asm __volatile ("xchgb %b0, %1" \ __asm __volatile ("xchgb %b0, %1" \
: "=r" (result), "=m" (*mem) \ : "=r" (result), "=m" (*mem) \
: "0" (newvalue), "1" (*mem)); \ : "0" (newvalue), "m" (*mem)); \
else if (sizeof (*mem) == 2) \ else if (sizeof (*mem) == 2) \
__asm __volatile ("xchgw %w0, %1" \ __asm __volatile ("xchgw %w0, %1" \
: "=r" (result), "=m" (*mem) \ : "=r" (result), "=m" (*mem) \
: "0" (newvalue), "1" (*mem)); \ : "0" (newvalue), "m" (*mem)); \
else if (sizeof (*mem) == 4) \ else if (sizeof (*mem) == 4) \
__asm __volatile ("xchgl %0, %1" \ __asm __volatile ("xchgl %0, %1" \
: "=r" (result), "=m" (*mem) \ : "=r" (result), "=m" (*mem) \
: "0" (newvalue), "1" (*mem)); \ : "0" (newvalue), "m" (*mem)); \
else \ else \
{ \ { \
result = 0; \ result = 0; \
@ -145,15 +145,15 @@ typedef uintmax_t uatomic_max_t;
if (sizeof (*mem) == 1) \ if (sizeof (*mem) == 1) \
__asm __volatile (LOCK "xaddb %b0, %1" \ __asm __volatile (LOCK "xaddb %b0, %1" \
: "=r" (result), "=m" (*mem) \ : "=r" (result), "=m" (*mem) \
: "0" (addval), "1" (*mem)); \ : "0" (addval), "m" (*mem)); \
else if (sizeof (*mem) == 2) \ else if (sizeof (*mem) == 2) \
__asm __volatile (LOCK "xaddw %w0, %1" \ __asm __volatile (LOCK "xaddw %w0, %1" \
: "=r" (result), "=m" (*mem) \ : "=r" (result), "=m" (*mem) \
: "0" (addval), "1" (*mem)); \ : "0" (addval), "m" (*mem)); \
else if (sizeof (*mem) == 4) \ else if (sizeof (*mem) == 4) \
__asm __volatile (LOCK "xaddl %0, %1" \ __asm __volatile (LOCK "xaddl %0, %1" \
: "=r" (result), "=m" (*mem) \ : "=r" (result), "=m" (*mem) \
: "0" (addval), "1" (*mem)); \ : "0" (addval), "m" (*mem)); \
else \ else \
{ \ { \
__typeof (mem) memp = (mem); \ __typeof (mem) memp = (mem); \
@ -173,15 +173,15 @@ typedef uintmax_t uatomic_max_t;
else if (sizeof (*mem) == 1) \ else if (sizeof (*mem) == 1) \
__asm __volatile (LOCK "addb %b1, %0" \ __asm __volatile (LOCK "addb %b1, %0" \
: "=m" (*mem) \ : "=m" (*mem) \
: "ir" (value), "0" (*mem)); \ : "ir" (value), "m" (*mem)); \
else if (sizeof (*mem) == 2) \ else if (sizeof (*mem) == 2) \
__asm __volatile (LOCK "addw %w1, %0" \ __asm __volatile (LOCK "addw %w1, %0" \
: "=m" (*mem) \ : "=m" (*mem) \
: "ir" (value), "0" (*mem)); \ : "ir" (value), "m" (*mem)); \
else if (sizeof (*mem) == 4) \ else if (sizeof (*mem) == 4) \
__asm __volatile (LOCK "addl %1, %0" \ __asm __volatile (LOCK "addl %1, %0" \
: "=m" (*mem) \ : "=m" (*mem) \
: "ir" (value), "0" (*mem)); \ : "ir" (value), "m" (*mem)); \
else \ else \
{ \ { \
__typeof (value) addval = (value); \ __typeof (value) addval = (value); \
@ -201,15 +201,15 @@ typedef uintmax_t uatomic_max_t;
if (sizeof (*mem) == 1) \ if (sizeof (*mem) == 1) \
__asm __volatile (LOCK "addb %b2, %0; sets %1" \ __asm __volatile (LOCK "addb %b2, %0; sets %1" \
: "=m" (*mem), "=qm" (__result) \ : "=m" (*mem), "=qm" (__result) \
: "iq" (value), "0" (*mem)); \ : "iq" (value), "m" (*mem)); \
else if (sizeof (*mem) == 2) \ else if (sizeof (*mem) == 2) \
__asm __volatile (LOCK "addw %w2, %0; sets %1" \ __asm __volatile (LOCK "addw %w2, %0; sets %1" \
: "=m" (*mem), "=qm" (__result) \ : "=m" (*mem), "=qm" (__result) \
: "ir" (value), "0" (*mem)); \ : "ir" (value), "m" (*mem)); \
else if (sizeof (*mem) == 4) \ else if (sizeof (*mem) == 4) \
__asm __volatile (LOCK "addl %2, %0; sets %1" \ __asm __volatile (LOCK "addl %2, %0; sets %1" \
: "=m" (*mem), "=qm" (__result) \ : "=m" (*mem), "=qm" (__result) \
: "ir" (value), "0" (*mem)); \ : "ir" (value), "m" (*mem)); \
else \ else \
abort (); \ abort (); \
__result; }) __result; })
@ -220,15 +220,15 @@ typedef uintmax_t uatomic_max_t;
if (sizeof (*mem) == 1) \ if (sizeof (*mem) == 1) \
__asm __volatile (LOCK "addb %b2, %0; setz %1" \ __asm __volatile (LOCK "addb %b2, %0; setz %1" \
: "=m" (*mem), "=qm" (__result) \ : "=m" (*mem), "=qm" (__result) \
: "ir" (value), "0" (*mem)); \ : "ir" (value), "m" (*mem)); \
else if (sizeof (*mem) == 2) \ else if (sizeof (*mem) == 2) \
__asm __volatile (LOCK "addw %w2, %0; setz %1" \ __asm __volatile (LOCK "addw %w2, %0; setz %1" \
: "=m" (*mem), "=qm" (__result) \ : "=m" (*mem), "=qm" (__result) \
: "ir" (value), "0" (*mem)); \ : "ir" (value), "m" (*mem)); \
else if (sizeof (*mem) == 4) \ else if (sizeof (*mem) == 4) \
__asm __volatile (LOCK "addl %2, %0; setz %1" \ __asm __volatile (LOCK "addl %2, %0; setz %1" \
: "=m" (*mem), "=qm" (__result) \ : "=m" (*mem), "=qm" (__result) \
: "ir" (value), "0" (*mem)); \ : "ir" (value), "m" (*mem)); \
else \ else \
abort (); \ abort (); \
__result; }) __result; })
@ -238,15 +238,15 @@ typedef uintmax_t uatomic_max_t;
(void) ({ if (sizeof (*mem) == 1) \ (void) ({ if (sizeof (*mem) == 1) \
__asm __volatile (LOCK "incb %b0" \ __asm __volatile (LOCK "incb %b0" \
: "=m" (*mem) \ : "=m" (*mem) \
: "0" (*mem)); \ : "m" (*mem)); \
else if (sizeof (*mem) == 2) \ else if (sizeof (*mem) == 2) \
__asm __volatile (LOCK "incw %w0" \ __asm __volatile (LOCK "incw %w0" \
: "=m" (*mem) \ : "=m" (*mem) \
: "0" (*mem)); \ : "m" (*mem)); \
else if (sizeof (*mem) == 4) \ else if (sizeof (*mem) == 4) \
__asm __volatile (LOCK "incl %0" \ __asm __volatile (LOCK "incl %0" \
: "=m" (*mem) \ : "=m" (*mem) \
: "0" (*mem)); \ : "m" (*mem)); \
else \ else \
{ \ { \
__typeof (*mem) oldval; \ __typeof (*mem) oldval; \
@ -264,15 +264,15 @@ typedef uintmax_t uatomic_max_t;
if (sizeof (*mem) == 1) \ if (sizeof (*mem) == 1) \
__asm __volatile (LOCK "incb %0; sete %b1" \ __asm __volatile (LOCK "incb %0; sete %b1" \
: "=m" (*mem), "=qm" (__result) \ : "=m" (*mem), "=qm" (__result) \
: "0" (*mem)); \ : "m" (*mem)); \
else if (sizeof (*mem) == 2) \ else if (sizeof (*mem) == 2) \
__asm __volatile (LOCK "incw %0; sete %w1" \ __asm __volatile (LOCK "incw %0; sete %w1" \
: "=m" (*mem), "=qm" (__result) \ : "=m" (*mem), "=qm" (__result) \
: "0" (*mem)); \ : "m" (*mem)); \
else if (sizeof (*mem) == 4) \ else if (sizeof (*mem) == 4) \
__asm __volatile (LOCK "incl %0; sete %1" \ __asm __volatile (LOCK "incl %0; sete %1" \
: "=m" (*mem), "=qm" (__result) \ : "=m" (*mem), "=qm" (__result) \
: "0" (*mem)); \ : "m" (*mem)); \
else \ else \
abort (); \ abort (); \
__result; }) __result; })
@ -282,15 +282,15 @@ typedef uintmax_t uatomic_max_t;
(void) ({ if (sizeof (*mem) == 1) \ (void) ({ if (sizeof (*mem) == 1) \
__asm __volatile (LOCK "decb %b0" \ __asm __volatile (LOCK "decb %b0" \
: "=m" (*mem) \ : "=m" (*mem) \
: "0" (*mem)); \ : "m" (*mem)); \
else if (sizeof (*mem) == 2) \ else if (sizeof (*mem) == 2) \
__asm __volatile (LOCK "decw %w0" \ __asm __volatile (LOCK "decw %w0" \
: "=m" (*mem) \ : "=m" (*mem) \
: "0" (*mem)); \ : "m" (*mem)); \
else if (sizeof (*mem) == 4) \ else if (sizeof (*mem) == 4) \
__asm __volatile (LOCK "decl %0" \ __asm __volatile (LOCK "decl %0" \
: "=m" (*mem) \ : "=m" (*mem) \
: "0" (*mem)); \ : "m" (*mem)); \
else \ else \
{ \ { \
__typeof (*mem) oldval; \ __typeof (*mem) oldval; \
@ -308,15 +308,15 @@ typedef uintmax_t uatomic_max_t;
if (sizeof (*mem) == 1) \ if (sizeof (*mem) == 1) \
__asm __volatile (LOCK "decb %b0; sete %1" \ __asm __volatile (LOCK "decb %b0; sete %1" \
: "=m" (*mem), "=qm" (__result) \ : "=m" (*mem), "=qm" (__result) \
: "0" (*mem)); \ : "m" (*mem)); \
else if (sizeof (*mem) == 2) \ else if (sizeof (*mem) == 2) \
__asm __volatile (LOCK "decw %w0; sete %1" \ __asm __volatile (LOCK "decw %w0; sete %1" \
: "=m" (*mem), "=qm" (__result) \ : "=m" (*mem), "=qm" (__result) \
: "0" (*mem)); \ : "m" (*mem)); \
else if (sizeof (*mem) == 4) \ else if (sizeof (*mem) == 4) \
__asm __volatile (LOCK "decl %0; sete %1" \ __asm __volatile (LOCK "decl %0; sete %1" \
: "=m" (*mem), "=qm" (__result) \ : "=m" (*mem), "=qm" (__result) \
: "0" (*mem)); \ : "m" (*mem)); \
else \ else \
abort (); \ abort (); \
__result; }) __result; })
@ -326,15 +326,15 @@ typedef uintmax_t uatomic_max_t;
(void) ({ if (sizeof (*mem) == 1) \ (void) ({ if (sizeof (*mem) == 1) \
__asm __volatile (LOCK "orb %b2, %0" \ __asm __volatile (LOCK "orb %b2, %0" \
: "=m" (*mem) \ : "=m" (*mem) \
: "0" (*mem), "i" (1 << (bit))); \ : "m" (*mem), "i" (1 << (bit))); \
else if (sizeof (*mem) == 2) \ else if (sizeof (*mem) == 2) \
__asm __volatile (LOCK "orw %w2, %0" \ __asm __volatile (LOCK "orw %w2, %0" \
: "=m" (*mem) \ : "=m" (*mem) \
: "0" (*mem), "i" (1 << (bit))); \ : "m" (*mem), "i" (1 << (bit))); \
else if (sizeof (*mem) == 4) \ else if (sizeof (*mem) == 4) \
__asm __volatile (LOCK "orl %2, %0" \ __asm __volatile (LOCK "orl %2, %0" \
: "=m" (*mem) \ : "=m" (*mem) \
: "0" (*mem), "i" (1 << (bit))); \ : "m" (*mem), "i" (1 << (bit))); \
else \ else \
abort (); \ abort (); \
}) })
@ -345,15 +345,15 @@ typedef uintmax_t uatomic_max_t;
if (sizeof (*mem) == 1) \ if (sizeof (*mem) == 1) \
__asm __volatile (LOCK "btsb %3, %1; setc %0" \ __asm __volatile (LOCK "btsb %3, %1; setc %0" \
: "=q" (__result), "=m" (*mem) \ : "=q" (__result), "=m" (*mem) \
: "1" (*mem), "i" (bit)); \ : "m" (*mem), "i" (bit)); \
else if (sizeof (*mem) == 2) \ else if (sizeof (*mem) == 2) \
__asm __volatile (LOCK "btsw %3, %1; setc %0" \ __asm __volatile (LOCK "btsw %3, %1; setc %0" \
: "=q" (__result), "=m" (*mem) \ : "=q" (__result), "=m" (*mem) \
: "1" (*mem), "i" (bit)); \ : "m" (*mem), "i" (bit)); \
else if (sizeof (*mem) == 4) \ else if (sizeof (*mem) == 4) \
__asm __volatile (LOCK "btsl %3, %1; setc %0" \ __asm __volatile (LOCK "btsl %3, %1; setc %0" \
: "=q" (__result), "=m" (*mem) \ : "=q" (__result), "=m" (*mem) \
: "1" (*mem), "i" (bit)); \ : "m" (*mem), "i" (bit)); \
else \ else \
abort (); \ abort (); \
__result; }) __result; })