indent is really bad at handling assembly
--HG-- extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%403646
This commit is contained in:
Sam Lantinga
parent
d03a7700eb
commit
388df73e0d
1 changed files with 374 additions and 279 deletions
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@ -42,20 +42,30 @@ extern "C" {
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/* *INDENT-ON* */
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#endif
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/* indent is really bad at handling assembly */
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/* *INDENT-OFF* */
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#if defined(__GNUC__) && (defined(i386) || defined(__i386__) || defined(__x86_64__))
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static __inline__ void
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SDL_atomic_int_add(volatile int* atomic, int value)
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{
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__asm__ __volatile__("lock;" "addl %1, %0":"=m"(*atomic)
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:"ir"(value), "m"(*atomic));
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__asm__ __volatile__("lock;"
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"addl %1, %0"
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: "=m" (*atomic)
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: "ir" (value),
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"m" (*atomic));
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}
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static __inline__ int
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SDL_atomic_int_xchg_add(volatile int* atomic, int value)
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{
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int rv;
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__asm__ __volatile__("lock;" "xaddl %0, %1":"=r"(rv), "=m"(*atomic)
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:"0"(value), "m"(*atomic));
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__asm__ __volatile__("lock;"
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"xaddl %0, %1"
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: "=r" (rv),
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"=m" (*atomic)
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: "0" (value),
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"m" (*atomic));
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return rv;
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}
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@ -63,14 +73,18 @@ static __inline__ SDL_bool
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SDL_atomic_int_cmp_xchg(volatile int* atomic, int oldvalue, int newvalue)
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{
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int rv;
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__asm__ __volatile__("lock;" "cmpxchgl %2, %1":"=a"(rv), "=m"(*atomic)
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:"r"(newvalue), "m"(*atomic), "0"(oldvalue));
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__asm__ __volatile__("lock;"
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"cmpxchgl %2, %1"
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: "=a" (rv),
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"=m" (*atomic)
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: "r" (newvalue),
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"m" (*atomic),
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"0" (oldvalue));
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return (SDL_bool)(rv == oldvalue);
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}
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static __inline__ SDL_bool
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SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
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void *newvalue)
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SDL_atomic_ptr_cmp_xchg(volatile void** atomic, void* oldvalue, void* newvalue)
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{
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void* rv;
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__asm__ __volatile__("lock;"
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@ -79,8 +93,11 @@ SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
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# else
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"cmpxchgl %2, %1"
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# endif
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:"=a"(rv), "=m"(*atomic)
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:"r"(newvalue), "m"(*atomic), "0"(oldvalue));
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: "=a" (rv),
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"=m" (*atomic)
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: "r" (newvalue),
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"m" (*atomic),
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"0" (oldvalue));
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return (SDL_bool)(rv == oldvalue);
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}
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#elif defined(__GNUC__) && defined(__alpha__)
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@ -108,8 +125,7 @@ SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
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# if (SIZEOF_VOIDP == 4)
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static __inline__ SDL_bool
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SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
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void *newvalue)
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SDL_atomic_ptr_cmp_xchg(volatile void** atomic, void* oldvalue, void* newvalue)
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{
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int rv;
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void* prev;
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@ -120,15 +136,19 @@ SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
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" mov %4,%1\n"
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" stl_c %1,%2\n"
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" beq %1,1b\n"
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" mb\n" "2:":"=&r"(prev), "=&r"(rv)
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:"m"(*atomic), "Ir"(oldvalue), "Ir"(newvalue)
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" mb\n"
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"2:"
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: "=&r" (prev),
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"=&r" (rv)
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: "m" (*atomic),
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"Ir" (oldvalue),
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"Ir" (newvalue)
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: "memory");
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return (SDL_bool)(rv != 0);
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}
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# elif (SIZEOF_VOIDP == 8)
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static __inline__ SDL_bool
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SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
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void *newvalue)
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SDL_atomic_ptr_cmp_xchg(volatile void** atomic, void* oldvalue, void* newvalue)
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{
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int rv;
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void* prev;
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@ -139,8 +159,13 @@ SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
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" mov %4,%1\n"
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" stq_c %1,%2\n"
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" beq %1,1b\n"
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" mb\n" "2:":"=&r"(prev), "=&r"(rv)
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:"m"(*atomic), "Ir"(oldvalue), "Ir"(newvalue)
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" mb\n"
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"2:"
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: "=&r" (prev),
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"=&r" (rv)
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: "m" (*atomic),
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"Ir" (oldvalue),
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"Ir" (newvalue)
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: "memory");
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return (SDL_bool)(rv != 0);
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}
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@ -163,24 +188,31 @@ SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
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# if (SIZEOF_VOIDP == 4)
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static __inline__ SDL_bool
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SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
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void *newvalue)
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SDL_atomic_ptr_cmp_xchg(volatile void** atomic, void* oldvalue, void* newvalue)
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{
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void* rv;
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__asm__ __volatile__("cas [%4], %2, %0":"=r"(rv), "=m"(*atomic)
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__asm__ __volatile__("cas [%4], %2, %0"
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: "=r" (rv),
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"=m" (*atomic)
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: "r" (oldvalue),
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"m"(*atomic), "r"(atomic), "0"(newvalue));
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"m" (*atomic),
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"r" (atomic),
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"0" (newvalue));
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return (SDL_bool)(rv == oldvalue);
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}
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# elif (SIZEOF_VOIDP == 8)
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static __inline__ SDL_bool
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SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
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void *newvalue)
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SDL_atomic_ptr_cmp_xchg(volatile void** atomic, void* oldvalue, void* newvalue)
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{
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void* rv;
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void** a = atomic;
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__asm__ __volatile__("casx [%4], %2, %0":"=r"(rv), "=m"(*a)
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:"r"(oldvalue), "m"(*a), "r"(a), "0"(newvalue));
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__asm__ __volatile__("casx [%4], %2, %0"
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: "=r" (rv),
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"=m" (*a)
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: "r" (oldvalue),
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"m" (*a),
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"r" (a),
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"0" (newvalue));
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return (SDL_bool)(rv == oldvalue);
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}
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# else
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@ -196,9 +228,15 @@ SDL_atomic_int_add(volatile int *atomic, int value)
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__asm__ __volatile__("1: lwarx %0, 0, %3\n"
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" add %1, %0, %4\n"
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" stwcx. %1, 0, %3\n"
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" bne- 1b":"=&b"(rv), "=&r"(tmp), "=m"(*atomic)
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:"b"(atomic), "r"(value), "m"(*atomic)
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:"cr0", "memory");
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" bne- 1b"
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: "=&b" (rv),
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"=&r" (tmp),
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"=m" (*atomic)
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: "b" (atomic),
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"r" (value),
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"m" (*atomic)
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: "cr0",
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"memory");
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}
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static __inline__ int
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@ -208,9 +246,15 @@ SDL_atomic_int_xchg_add(volatile int *atomic, int value)
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__asm__ __volatile__("1: lwarx %0, 0, %3\n"
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" add %1, %0, %4\n"
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" stwcx. %1, 0, %3\n"
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" bne- 1b":"=&b"(rv), "=&r"(tmp), "=m"(*atomic)
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:"b"(atomic), "r"(value), "m"(*atomic)
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:"cr0", "memory");
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" bne- 1b"
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: "=&b" (rv),
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"=&r" (tmp),
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"=m" (*atomic)
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: "b" (atomic),
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"r" (value),
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"m" (*atomic)
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: "cr0",
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"memory");
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return rv;
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}
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@ -224,14 +268,19 @@ SDL_atomic_int_cmp_xchg(volatile int *atomic, int oldvalue, int newvalue)
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" subf. %0, %2, %0\n"
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" bne 2f\n"
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" stwcx. %3, 0, %1\n"
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" bne- 1b\n" "2: isync":"=&r"(rv)
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:"b"(atomic), "r"(oldvalue), "r":"cr0", "memory");
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" bne- 1b\n"
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"2: isync"
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: "=&r" (rv)
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: "b" (atomic),
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"r" (oldvalue),
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"r"
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: "cr0",
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"memory");
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return (SDL_bool)(rv == 0);
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}
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static __inline__ SDL_bool
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SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
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void *newvalue)
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SDL_atomic_ptr_cmp_xchg(volatile void** atomic, void* oldvalue, void* newvalue)
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{
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void* rv;
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__asm__ __volatile__("sync\n"
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@ -239,9 +288,14 @@ SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
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" subf. %0, %2, %0\n"
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" bne 2f\n"
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" stwcx. %3, 0, %1\n"
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" bne- 1b\n" "2: isync":"=&r"(rv)
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:"b"(atomic), "r"(oldvalue), "r"(newvalue)
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:"cr0", "memory");
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" bne- 1b\n"
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"2: isync"
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: "=&r" (rv)
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: "b" (atomic),
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"r" (oldvalue),
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"r" (newvalue)
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: "cr0",
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"memory");
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return (SDL_bool)(rv == 0);
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}
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# elif (SIZEOF_VOIDP == 8)
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@ -255,14 +309,19 @@ SDL_atomic_int_cmp_xchg(volatile int *atomic, int oldvalue, int newvalue)
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" subf. %0, %2, %0\n"
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" bne 2f\n"
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" stwcx. %3, 0, %1\n"
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" bne- 1b\n" "2: isync":"=&r"(rv)
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:"b"(atomic), "r"(oldvalue), "r":"cr0", "memory");
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" bne- 1b\n"
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"2: isync"
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: "=&r" (rv)
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: "b" (atomic),
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"r" (oldvalue),
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"r"
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: "cr0",
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"memory");
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return (SDL_bool)(rv == 0);
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}
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static __inline__ SDL_bool
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SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
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void *newvalue)
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SDL_atomic_ptr_cmp_xchg(volatile void** atomic, void* oldvalue, void* newvalue)
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{
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void* rv;
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__asm__ __volatile__("sync\n"
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@ -270,9 +329,14 @@ SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
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" subf. %0, %2, %0\n"
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" bne 2f\n"
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" stdcx. %3, 0, %1\n"
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" bne- 1b\n" "2: isync":"=&r"(rv)
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:"b"(atomic), "r"(oldvalue), "r"(newvalue)
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:"cr0", "memory");
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" bne- 1b\n"
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"2: isync"
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: "=&r" (rv)
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: "b" (atomic),
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"r" (oldvalue),
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"r" (newvalue)
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: "cr0",
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"memory");
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return (SDL_bool)(rv == 0);
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}
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# else
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@ -300,9 +364,12 @@ SDL_atomic_int_xchg_add(volatile int *atomic, int value)
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"addu %1,%4,%0 \n"
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"sc %1,%2 \n"
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".set pop \n"
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"beqz %1,1b \n":"=&r"(rv),
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"=&r"(tmp), "=m"(*atomic)
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:"m"(*atomic), "r"(value)
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"beqz %1,1b \n"
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: "=&r" (rv),
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"=&r" (tmp),
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"=m" (*atomic)
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: "m" (*atomic),
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"r" (value)
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: "memory");
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return rv;
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}
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@ -318,8 +385,11 @@ SDL_atomic_int_add(volatile int *atomic, int value)
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"addu %0,%3,%0 \n"
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"sc %0,%1 \n"
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".set pop \n"
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"beqz %0,1b \n":"=&r"(rv), "=m"(*atomic)
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:"m"(*atomic), "r"(value)
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"beqz %0,1b \n"
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: "=&r" (rv),
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"=m" (*atomic)
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: "m" (*atomic),
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"r" (value)
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: "memory");
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}
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@ -339,25 +409,30 @@ SDL_atomic_int_cmp_xchg(volatile int *atomic, int oldvalue, int newvalue)
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" beqz $1, 1b \n"
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" sync \n"
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"2: \n"
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" .set pop \n":"=&r"(rv), "=R"(*atomic)
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:"R"(*atomic), "Jr"(oldvalue), "Jr"(newvalue)
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" .set pop \n"
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: "=&r" (rv),
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"=R" (*atomic)
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: "R" (*atomic),
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"Jr" (oldvalue),
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"Jr" (newvalue)
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: "memory");
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return (SDL_bool)rv;
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}
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static __inline__ SDL_bool
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SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
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void *newvalue)
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SDL_atomic_ptr_cmp_xchg(volatile void** atomic, void* oldvalue, void* newvalue)
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{
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int rv;
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__asm__ __volatile__(" .set push \n"
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" .set noat \n" " .set mips3 \n"
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" .set noat \n"
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" .set mips3 \n"
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# if defined(__mips64)
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"1: lld %0, %2 \n"
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# else
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"1: ll %0, %2 \n"
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# endif
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" bne %0, %z3, 2f \n" " move $1, %z4 \n"
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" bne %0, %z3, 2f \n"
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" move $1, %z4 \n"
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# if defined(__mips64)
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" sc $1, %1 \n"
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# else
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@ -366,8 +441,12 @@ SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
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" beqz $1, 1b \n"
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" sync \n"
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"2: \n"
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" .set pop \n":"=&r"(rv), "=R"(*atomic)
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:"R"(*atomic), "Jr"(oldvalue), "Jr"(newvalue)
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" .set pop \n"
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: "=&r" (rv),
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"=R" (*atomic)
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: "R" (*atomic),
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"Jr" (oldvalue),
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"Jr" (newvalue)
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: "memory");
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return (SDL_bool)rv;
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}
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@ -380,8 +459,12 @@ SDL_atomic_int_xchg_add(volatile int *atomic, int value)
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__asm__ __volatile__("1: move%.l %0,%1 \n"
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" add%.l %2,%1 \n"
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" cas%.l %0,%1,%3 \n"
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" jbne 1b \n":"=d"(rv), "=&d"(tmp)
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:"d"(value), "m"(*atomic), "0"(rv)
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" jbne 1b \n"
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: "=d" (rv),
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"=&d" (tmp)
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: "d" (value),
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"m" (*atomic),
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"0" (rv)
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: "memory");
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return (SDL_bool)rv;
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}
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@ -389,7 +472,10 @@ SDL_atomic_int_xchg_add(volatile int *atomic, int value)
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static __inline__ void
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SDL_atomic_int_add(volatile int* atomic, int value)
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{
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__asm__ __volatile__("add%.l %0,%1"::"id"(value), "m"(*atomic)
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__asm__ __volatile__("add%.l %0,%1"
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:
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: "id" (value),
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"m" (*atomic)
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: "memory");
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}
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@ -399,20 +485,29 @@ SDL_atomic_int_cmp_xchg(volatile int *atomic, int oldvalue, int newvalue)
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char rv;
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int readvalue;
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__asm__ __volatile__("cas%.l %2,%3,%1\n"
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"seq %0":"=dm"(rv), "=m"(*atomic), "=d"(readvalue)
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:"d"(newvalue), "m"(*atomic), "2"(oldvalue));
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"seq %0"
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: "=dm" (rv),
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"=m" (*atomic),
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"=d" (readvalue)
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: "d" (newvalue),
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"m" (*atomic),
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"2" (oldvalue));
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return (SDL_bool)rv;
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}
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static __inline__ SDL_bool
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SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
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void *newvalue)
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SDL_atomic_ptr_cmp_xchg(volatile void** atomic, void* oldvalue, void* newvalue)
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{
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char rv;
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int readvalue;
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__asm__ __volatile__("cas%.l %2,%3,%1\n"
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"seq %0":"=dm"(rv), "=m"(*atomic), "=d"(readvalue)
|
||||
:"d"(newvalue), "m"(*atomic), "2"(oldvalue));
|
||||
"seq %0"
|
||||
: "=dm" (rv),
|
||||
"=m" (*atomic),
|
||||
"=d" (readvalue)
|
||||
: "d" (newvalue),
|
||||
"m" (*atomic),
|
||||
"2" (oldvalue));
|
||||
return (SDL_bool)rv;
|
||||
}
|
||||
#elif defined(__GNUC__) && defined(__s390__)
|
||||
|
|
@ -429,24 +524,28 @@ SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
|
|||
})
|
||||
# if (SIZEOF_VOIDP == 4)
|
||||
static __inline__ SDL_bool
|
||||
SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
|
||||
void *newvalue)
|
||||
SDL_atomic_ptr_cmp_xchg(volatile void** atomic, void* oldvalue, void* newvalue)
|
||||
{
|
||||
void* rv = oldvalue;
|
||||
__asm__ __volatile__("cs %0, %2, %1":"+d"(rv), "=Q"(*atomic)
|
||||
:"d"(newvalue), "m"(*atomic)
|
||||
__asm__ __volatile__("cs %0, %2, %1"
|
||||
: "+d" (rv),
|
||||
"=Q" (*atomic)
|
||||
: "d" (newvalue),
|
||||
"m" (*atomic)
|
||||
: "cc");
|
||||
return (SDL_bool)(rv == oldvalue);
|
||||
}
|
||||
# elif (SIZEOF_VOIDP == 8)
|
||||
static __inline__ SDL_bool
|
||||
SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
|
||||
void *newvalue)
|
||||
SDL_atomic_ptr_cmp_xchg(volatile void** atomic, void* oldvalue, void* newvalue)
|
||||
{
|
||||
void* rv = oldvalue;
|
||||
void** a = atomic;
|
||||
__asm__ __volatile__("csg %0, %2, %1":"+d"(rv), "=Q"(*a)
|
||||
:"d"((long) (newvalue)), "m"(*a)
|
||||
__asm__ __volatile__("csg %0, %2, %1"
|
||||
: "+d" (rv),
|
||||
"=Q" (*a)
|
||||
: "d" ((long)(newvalue)),
|
||||
"m" (*a)
|
||||
: "cc");
|
||||
return (SDL_bool)(rv == oldvalue);
|
||||
}
|
||||
|
|
@ -473,17 +572,14 @@ SDL_atmoic_int_cmp_xchg(volatile int *atomic, int oldvalue, int newvalue)
|
|||
{
|
||||
return (SDL_bool)(InterlockedCompareExchangePointer((PVOID*)atomic,
|
||||
(PVOID)newvalue,
|
||||
(PVOID) oldvalue) ==
|
||||
oldvalue);
|
||||
(PVOID)oldvalue) == oldvalue);
|
||||
}
|
||||
|
||||
|
||||
static __inline__ SDL_bool
|
||||
SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
|
||||
void *newvalue)
|
||||
SDL_atomic_ptr_cmp_xchg(volatile void** atomic, void* oldvalue, void* newvalue)
|
||||
{
|
||||
return (InterlockedCompareExchangePointer(atomic, newvalue, oldvalue) ==
|
||||
oldvalue);
|
||||
return (InterlockedCompareExchangePointer(atomic, newvalue, oldvalue) == oldvalue);
|
||||
}
|
||||
# else /* WINVER <= 0x0400 */
|
||||
# if (SIZEOF_VOIDP != 4)
|
||||
|
|
@ -493,16 +589,13 @@ SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
|
|||
static __inline__ SDL_bool
|
||||
SDL_atomic_int_cmp_xchg(volatile int* atomic, int oldvalue, int newvalue)
|
||||
{
|
||||
return (InterlockedCompareExchange(atomic, newvalue, oldvalue) ==
|
||||
oldvalue);
|
||||
return (InterlockedCompareExchange(atomic, newvalue, oldvalue) == oldvalue);
|
||||
}
|
||||
|
||||
static __inline__ SDL_bool
|
||||
SDL_atomic_ptr_cmp_xchg(volatile void **atomic, void *oldvalue,
|
||||
void *newvalue)
|
||||
SDL_atomic_ptr_cmp_xchg(volatile void** atomic, void* oldvalue, void* newvalue)
|
||||
{
|
||||
return (InterlockedCompareExchange(atomic, newvalue, oldvalue) ==
|
||||
oldvalue);
|
||||
return (InterlockedCompareExchange(atomic, newvalue, oldvalue) == oldvalue);
|
||||
}
|
||||
# endif
|
||||
#else /* when all else fails */
|
||||
|
|
@ -530,6 +623,8 @@ SDL_atomic_int_add(volatile int *atomic, int value)
|
|||
}
|
||||
#endif /* arch & platforms */
|
||||
|
||||
/* *INDENT-ON* */
|
||||
|
||||
#ifdef ATOMIC_INT_CMP_XCHG
|
||||
static __inline__ SDL_bool
|
||||
SDL_atomic_int_cmp_xchg(volatile int *atomic, int oldvalue, int newvalue)
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue