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https://sourceware.org/git/glibc.git
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Update.
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
parent
abfd53d134
commit
4541b483a9
@ -1,3 +1,8 @@
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2003-03-21 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/x86_64/bits/atomic.h: Don't use matching memory constraints.
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* sysdeps/i386/i486/bits/atomic.h: Likewise.
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2003-03-21 Roland McGrath <roland@redhat.com>
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* include/atomic.h (atomic_compare_and_exchange_bool_acq): Typo fix.
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@ -59,21 +59,21 @@ typedef uintmax_t uatomic_max_t;
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({ __typeof (*mem) ret; \
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__asm __volatile (LOCK "cmpxchgb %b2, %1" \
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: "=a" (ret), "=m" (*mem) \
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: "q" (newval), "1" (*mem), "0" (oldval)); \
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: "q" (newval), "m" (*mem), "0" (oldval)); \
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ret; })
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#define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \
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({ __typeof (*mem) ret; \
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__asm __volatile (LOCK "cmpxchgw %w2, %1" \
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: "=a" (ret), "=m" (*mem) \
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: "r" (newval), "1" (*mem), "0" (oldval)); \
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: "r" (newval), "m" (*mem), "0" (oldval)); \
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ret; })
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#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \
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({ __typeof (*mem) ret; \
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__asm __volatile (LOCK "cmpxchgl %2, %1" \
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: "=a" (ret), "=m" (*mem) \
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: "r" (newval), "1" (*mem), "0" (oldval)); \
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: "r" (newval), "m" (*mem), "0" (oldval)); \
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ret; })
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/* XXX We do not really need 64-bit compare-and-exchange. At least
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@ -96,7 +96,7 @@ typedef uintmax_t uatomic_max_t;
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: "DS" (((unsigned long long int) (newval)) \
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& 0xffffffff), \
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"c" (((unsigned long long int) (newval)) >> 32), \
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"1" (*mem), "a" (((unsigned long long int) (oldval)) \
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"m" (*mem), "a" (((unsigned long long int) (oldval)) \
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& 0xffffffff), \
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"d" (((unsigned long long int) (oldval)) >> 32)); \
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ret; })
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@ -108,7 +108,7 @@ typedef uintmax_t uatomic_max_t;
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: "b" (((unsigned long long int) (newval)) \
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& 0xffffffff), \
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"c" (((unsigned long long int) (newval)) >> 32), \
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"1" (*mem), "a" (((unsigned long long int) (oldval)) \
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"m" (*mem), "a" (((unsigned long long int) (oldval)) \
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& 0xffffffff), \
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"d" (((unsigned long long int) (oldval)) >> 32)); \
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ret; })
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@ -122,15 +122,15 @@ typedef uintmax_t uatomic_max_t;
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if (sizeof (*mem) == 1) \
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__asm __volatile ("xchgb %b0, %1" \
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: "=r" (result), "=m" (*mem) \
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: "0" (newvalue), "1" (*mem)); \
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: "0" (newvalue), "m" (*mem)); \
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else if (sizeof (*mem) == 2) \
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__asm __volatile ("xchgw %w0, %1" \
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: "=r" (result), "=m" (*mem) \
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: "0" (newvalue), "1" (*mem)); \
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: "0" (newvalue), "m" (*mem)); \
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else if (sizeof (*mem) == 4) \
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__asm __volatile ("xchgl %0, %1" \
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: "=r" (result), "=m" (*mem) \
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: "0" (newvalue), "1" (*mem)); \
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: "0" (newvalue), "m" (*mem)); \
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else \
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{ \
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result = 0; \
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@ -145,15 +145,15 @@ typedef uintmax_t uatomic_max_t;
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if (sizeof (*mem) == 1) \
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__asm __volatile (LOCK "xaddb %b0, %1" \
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: "=r" (result), "=m" (*mem) \
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: "0" (addval), "1" (*mem)); \
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: "0" (addval), "m" (*mem)); \
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else if (sizeof (*mem) == 2) \
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__asm __volatile (LOCK "xaddw %w0, %1" \
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: "=r" (result), "=m" (*mem) \
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: "0" (addval), "1" (*mem)); \
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: "0" (addval), "m" (*mem)); \
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else if (sizeof (*mem) == 4) \
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__asm __volatile (LOCK "xaddl %0, %1" \
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: "=r" (result), "=m" (*mem) \
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: "0" (addval), "1" (*mem)); \
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: "0" (addval), "m" (*mem)); \
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else \
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{ \
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__typeof (mem) memp = (mem); \
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@ -173,15 +173,15 @@ typedef uintmax_t uatomic_max_t;
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else if (sizeof (*mem) == 1) \
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__asm __volatile (LOCK "addb %b1, %0" \
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: "=m" (*mem) \
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: "ir" (value), "0" (*mem)); \
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: "ir" (value), "m" (*mem)); \
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else if (sizeof (*mem) == 2) \
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__asm __volatile (LOCK "addw %w1, %0" \
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: "=m" (*mem) \
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: "ir" (value), "0" (*mem)); \
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: "ir" (value), "m" (*mem)); \
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else if (sizeof (*mem) == 4) \
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__asm __volatile (LOCK "addl %1, %0" \
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: "=m" (*mem) \
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: "ir" (value), "0" (*mem)); \
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: "ir" (value), "m" (*mem)); \
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else \
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{ \
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__typeof (value) addval = (value); \
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@ -201,15 +201,15 @@ typedef uintmax_t uatomic_max_t;
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if (sizeof (*mem) == 1) \
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__asm __volatile (LOCK "addb %b2, %0; sets %1" \
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: "=m" (*mem), "=qm" (__result) \
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: "iq" (value), "0" (*mem)); \
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: "iq" (value), "m" (*mem)); \
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else if (sizeof (*mem) == 2) \
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__asm __volatile (LOCK "addw %w2, %0; sets %1" \
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: "=m" (*mem), "=qm" (__result) \
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: "ir" (value), "0" (*mem)); \
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: "ir" (value), "m" (*mem)); \
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else if (sizeof (*mem) == 4) \
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__asm __volatile (LOCK "addl %2, %0; sets %1" \
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: "=m" (*mem), "=qm" (__result) \
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: "ir" (value), "0" (*mem)); \
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: "ir" (value), "m" (*mem)); \
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else \
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abort (); \
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__result; })
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@ -220,15 +220,15 @@ typedef uintmax_t uatomic_max_t;
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if (sizeof (*mem) == 1) \
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__asm __volatile (LOCK "addb %b2, %0; setz %1" \
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: "=m" (*mem), "=qm" (__result) \
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: "ir" (value), "0" (*mem)); \
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: "ir" (value), "m" (*mem)); \
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else if (sizeof (*mem) == 2) \
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__asm __volatile (LOCK "addw %w2, %0; setz %1" \
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: "=m" (*mem), "=qm" (__result) \
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: "ir" (value), "0" (*mem)); \
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: "ir" (value), "m" (*mem)); \
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else if (sizeof (*mem) == 4) \
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__asm __volatile (LOCK "addl %2, %0; setz %1" \
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: "=m" (*mem), "=qm" (__result) \
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: "ir" (value), "0" (*mem)); \
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: "ir" (value), "m" (*mem)); \
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else \
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abort (); \
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__result; })
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@ -238,15 +238,15 @@ typedef uintmax_t uatomic_max_t;
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(void) ({ if (sizeof (*mem) == 1) \
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__asm __volatile (LOCK "incb %b0" \
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: "=m" (*mem) \
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: "0" (*mem)); \
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: "m" (*mem)); \
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else if (sizeof (*mem) == 2) \
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__asm __volatile (LOCK "incw %w0" \
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: "=m" (*mem) \
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: "0" (*mem)); \
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: "m" (*mem)); \
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else if (sizeof (*mem) == 4) \
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__asm __volatile (LOCK "incl %0" \
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: "=m" (*mem) \
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: "0" (*mem)); \
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: "m" (*mem)); \
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else \
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{ \
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__typeof (*mem) oldval; \
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@ -264,15 +264,15 @@ typedef uintmax_t uatomic_max_t;
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if (sizeof (*mem) == 1) \
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__asm __volatile (LOCK "incb %0; sete %b1" \
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: "=m" (*mem), "=qm" (__result) \
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: "0" (*mem)); \
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: "m" (*mem)); \
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else if (sizeof (*mem) == 2) \
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__asm __volatile (LOCK "incw %0; sete %w1" \
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: "=m" (*mem), "=qm" (__result) \
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: "0" (*mem)); \
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: "m" (*mem)); \
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else if (sizeof (*mem) == 4) \
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__asm __volatile (LOCK "incl %0; sete %1" \
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: "=m" (*mem), "=qm" (__result) \
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: "0" (*mem)); \
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: "m" (*mem)); \
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else \
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abort (); \
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__result; })
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@ -282,15 +282,15 @@ typedef uintmax_t uatomic_max_t;
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(void) ({ if (sizeof (*mem) == 1) \
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__asm __volatile (LOCK "decb %b0" \
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: "=m" (*mem) \
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: "0" (*mem)); \
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: "m" (*mem)); \
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else if (sizeof (*mem) == 2) \
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__asm __volatile (LOCK "decw %w0" \
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: "=m" (*mem) \
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: "0" (*mem)); \
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: "m" (*mem)); \
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else if (sizeof (*mem) == 4) \
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__asm __volatile (LOCK "decl %0" \
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: "=m" (*mem) \
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: "0" (*mem)); \
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: "m" (*mem)); \
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else \
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{ \
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__typeof (*mem) oldval; \
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@ -308,15 +308,15 @@ typedef uintmax_t uatomic_max_t;
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if (sizeof (*mem) == 1) \
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__asm __volatile (LOCK "decb %b0; sete %1" \
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: "=m" (*mem), "=qm" (__result) \
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: "0" (*mem)); \
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: "m" (*mem)); \
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else if (sizeof (*mem) == 2) \
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__asm __volatile (LOCK "decw %w0; sete %1" \
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: "=m" (*mem), "=qm" (__result) \
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: "0" (*mem)); \
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: "m" (*mem)); \
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else if (sizeof (*mem) == 4) \
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__asm __volatile (LOCK "decl %0; sete %1" \
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: "=m" (*mem), "=qm" (__result) \
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: "0" (*mem)); \
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: "m" (*mem)); \
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else \
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abort (); \
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__result; })
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@ -326,15 +326,15 @@ typedef uintmax_t uatomic_max_t;
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(void) ({ if (sizeof (*mem) == 1) \
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__asm __volatile (LOCK "orb %b2, %0" \
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: "=m" (*mem) \
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: "0" (*mem), "i" (1 << (bit))); \
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: "m" (*mem), "i" (1 << (bit))); \
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else if (sizeof (*mem) == 2) \
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__asm __volatile (LOCK "orw %w2, %0" \
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: "=m" (*mem) \
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: "0" (*mem), "i" (1 << (bit))); \
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: "m" (*mem), "i" (1 << (bit))); \
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else if (sizeof (*mem) == 4) \
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__asm __volatile (LOCK "orl %2, %0" \
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: "=m" (*mem) \
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: "0" (*mem), "i" (1 << (bit))); \
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: "m" (*mem), "i" (1 << (bit))); \
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else \
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abort (); \
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})
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@ -345,15 +345,15 @@ typedef uintmax_t uatomic_max_t;
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if (sizeof (*mem) == 1) \
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__asm __volatile (LOCK "btsb %3, %1; setc %0" \
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: "=q" (__result), "=m" (*mem) \
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: "1" (*mem), "i" (bit)); \
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: "m" (*mem), "i" (bit)); \
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else if (sizeof (*mem) == 2) \
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__asm __volatile (LOCK "btsw %3, %1; setc %0" \
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: "=q" (__result), "=m" (*mem) \
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: "1" (*mem), "i" (bit)); \
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: "m" (*mem), "i" (bit)); \
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else if (sizeof (*mem) == 4) \
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__asm __volatile (LOCK "btsl %3, %1; setc %0" \
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: "=q" (__result), "=m" (*mem) \
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: "1" (*mem), "i" (bit)); \
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: "m" (*mem), "i" (bit)); \
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else \
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abort (); \
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__result; })
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