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gcc/x86{,_64}/ck_pr: unify case enumeration for ck_pr_cas and ck_pr_cas_value

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The two variants need the exact same set of macro arguments now.

TESTED=existing regression tests.
awsm
Paul Khuong 5 years ago committed by Samy Al Bahra
parent e18fba64ec
commit bc608c1d7c
2 changed files with 58 additions and 106 deletions
Show Stats Download Patch File Download Diff File

78
include/gcc/x86/ck_pr.h
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@ -307,7 +307,7 @@ CK_PR_GENERATE(xor)
#undef CK_PR_BINARY
/*
* Atomic compare and swap.
* Atomic compare and swap, with a variant that sets *v to the old value of target.
*/
#ifdef __GCC_ASM_FLAG_OUTPUTS__
#define CK_PR_CAS(S, M, T, C, I) \
@ -323,6 +323,20 @@ CK_PR_GENERATE(xor)
: "q" (set) \
: "memory", "cc"); \
return z; \
} \
\
CK_CC_INLINE static bool \
ck_pr_cas_##S##_value(M *target, T compare, T set, M *v) \
{ \
bool z; \
__asm__ __volatile__(CK_PR_LOCK_PREFIX I " %3, %0;" \
: "+m" (*(C *)target), \
"=@ccz" (z), \
"+a" (compare) \
: "q" (set) \
: "memory", "cc"); \
*(T *)v = compare; \
return z; \
}
#else
#define CK_PR_CAS(S, M, T, C, I) \
@ -337,48 +351,13 @@ CK_PR_GENERATE(xor)
"a" (compare) \
: "memory", "cc"); \
return z; \
}
#endif
CK_PR_CAS(ptr, void, void *, char, "cmpxchgl")
#define CK_PR_CAS_S(S, T, I) CK_PR_CAS(S, T, T, T, I)
CK_PR_CAS_S(char, char, "cmpxchgb")
CK_PR_CAS_S(int, int, "cmpxchgl")
CK_PR_CAS_S(uint, unsigned int, "cmpxchgl")
CK_PR_CAS_S(32, uint32_t, "cmpxchgl")
CK_PR_CAS_S(16, uint16_t, "cmpxchgw")
CK_PR_CAS_S(8, uint8_t, "cmpxchgb")
#undef CK_PR_CAS_S
#undef CK_PR_CAS
/*
* Compare and swap, set *v to old value of target.
*/
#ifdef __GCC_ASM_FLAG_OUTPUTS__
#define CK_PR_CAS_O(S, M, T, C, I) \
CK_CC_INLINE static bool \
ck_pr_cas_##S##_value(M *target, T compare, T set, M *v) \
{ \
bool z; \
__asm__ __volatile__(CK_PR_LOCK_PREFIX "cmpxchg" I " %3, %0;" \
: "+m" (*(C *)target), \
"=@ccz" (z), \
"+a" (compare) \
: "q" (set) \
: "memory", "cc"); \
*(T *)v = compare; \
return z; \
}
#else
#define CK_PR_CAS_O(S, M, T, C, I) \
} \
\
CK_CC_INLINE static bool \
ck_pr_cas_##S##_value(M *target, T compare, T set, M *v) \
{ \
bool z; \
__asm__ __volatile__(CK_PR_LOCK_PREFIX "cmpxchg" I " %3, %0;" \
__asm__ __volatile__(CK_PR_LOCK_PREFIX I " %3, %0;" \
"setz %1;" \
: "+m" (*(C *)target), \
"=q" (z), \
@ -390,20 +369,19 @@ CK_PR_CAS_S(8, uint8_t, "cmpxchgb")
}
#endif
CK_PR_CAS_O(ptr, void, void *, char, "l")
CK_PR_CAS(ptr, void, void *, char, "cmpxchgl")
#define CK_PR_CAS_O_S(S, T, I) \
CK_PR_CAS_O(S, T, T, T, I)
#define CK_PR_CAS_S(S, T, I) CK_PR_CAS(S, T, T, T, I)
CK_PR_CAS_O_S(char, char, "b")
CK_PR_CAS_O_S(int, int, "l")
CK_PR_CAS_O_S(uint, unsigned int, "l")
CK_PR_CAS_O_S(32, uint32_t, "l")
CK_PR_CAS_O_S(16, uint16_t, "w")
CK_PR_CAS_O_S(8, uint8_t, "b")
CK_PR_CAS_S(char, char, "cmpxchgb")
CK_PR_CAS_S(int, int, "cmpxchgl")
CK_PR_CAS_S(uint, unsigned int, "cmpxchgl")
CK_PR_CAS_S(32, uint32_t, "cmpxchgl")
CK_PR_CAS_S(16, uint16_t, "cmpxchgw")
CK_PR_CAS_S(8, uint8_t, "cmpxchgb")
#undef CK_PR_CAS_O_S
#undef CK_PR_CAS_O
#undef CK_PR_CAS_S
#undef CK_PR_CAS
/*
* Atomic bit test operations.

86
include/gcc/x86_64/ck_pr.h
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@ -408,7 +408,7 @@ CK_PR_GENERATE(xor)
#undef CK_PR_BINARY
/*
* Atomic compare and swap.
* Atomic compare and swap, with a variant that sets *v to the old value of target.
*/
#ifdef __GCC_ASM_FLAG_OUTPUTS__
#define CK_PR_CAS(S, M, T, C, I) \
@ -424,6 +424,20 @@ CK_PR_GENERATE(xor)
: "q" (set) \
: "memory", "cc"); \
return z; \
} \
\
CK_CC_INLINE static bool \
ck_pr_cas_##S##_value(M *target, T compare, T set, M *v) \
{ \
bool z; \
__asm__ __volatile__(CK_PR_LOCK_PREFIX I " %3, %0;" \
: "+m" (*(C *)target), \
"=@ccz" (z), \
"+a" (compare) \
: "q" (set) \
: "memory", "cc"); \
*(T *)v = compare; \
return z; \
}
#else
#define CK_PR_CAS(S, M, T, C, I) \
@ -438,52 +452,13 @@ CK_PR_GENERATE(xor)
"a" (compare) \
: "memory", "cc"); \
return z; \
}
#endif
CK_PR_CAS(ptr, void, void *, char, "cmpxchgq")
#define CK_PR_CAS_S(S, T, I) CK_PR_CAS(S, T, T, T, I)
CK_PR_CAS_S(char, char, "cmpxchgb")
CK_PR_CAS_S(int, int, "cmpxchgl")
CK_PR_CAS_S(uint, unsigned int, "cmpxchgl")
#ifndef CK_PR_DISABLE_DOUBLE
CK_PR_CAS_S(double, double, "cmpxchgq")
#endif
CK_PR_CAS_S(64, uint64_t, "cmpxchgq")
CK_PR_CAS_S(32, uint32_t, "cmpxchgl")
CK_PR_CAS_S(16, uint16_t, "cmpxchgw")
CK_PR_CAS_S(8, uint8_t, "cmpxchgb")
#undef CK_PR_CAS_S
#undef CK_PR_CAS
/*
* Compare and swap, set *v to old value of target.
*/
#ifdef __GCC_ASM_FLAG_OUTPUTS__
#define CK_PR_CAS_O(S, M, T, C, I) \
CK_CC_INLINE static bool \
ck_pr_cas_##S##_value(M *target, T compare, T set, M *v) \
{ \
bool z; \
__asm__ __volatile__(CK_PR_LOCK_PREFIX "cmpxchg" I " %3, %0;" \
: "+m" (*(C *)target), \
"=@ccz" (z), \
"+a" (compare) \
: "q" (set) \
: "memory", "cc"); \
*(T *)v = compare; \
return z; \
}
#else
#define CK_PR_CAS_O(S, M, T, C, I) \
} \
\
CK_CC_INLINE static bool \
ck_pr_cas_##S##_value(M *target, T compare, T set, M *v) \
{ \
bool z; \
__asm__ __volatile__(CK_PR_LOCK_PREFIX "cmpxchg" I " %3, %0;" \
__asm__ __volatile__(CK_PR_LOCK_PREFIX I " %3, %0;" \
"setz %1;" \
: "+m" (*(C *)target), \
"=q" (z), \
@ -495,24 +470,23 @@ CK_PR_CAS_S(8, uint8_t, "cmpxchgb")
}
#endif
CK_PR_CAS_O(ptr, void, void *, char, "q")
CK_PR_CAS(ptr, void, void *, char, "cmpxchgq")
#define CK_PR_CAS_O_S(S, T, I) \
CK_PR_CAS_O(S, T, T, T, I)
#define CK_PR_CAS_S(S, T, I) CK_PR_CAS(S, T, T, T, I)
CK_PR_CAS_O_S(char, char, "b")
CK_PR_CAS_O_S(int, int, "l")
CK_PR_CAS_O_S(uint, unsigned int, "l")
CK_PR_CAS_S(char, char, "cmpxchgb")
CK_PR_CAS_S(int, int, "cmpxchgl")
CK_PR_CAS_S(uint, unsigned int, "cmpxchgl")
#ifndef CK_PR_DISABLE_DOUBLE
CK_PR_CAS_O_S(double, double, "q")
CK_PR_CAS_S(double, double, "cmpxchgq")
#endif
CK_PR_CAS_O_S(64, uint64_t, "q")
CK_PR_CAS_O_S(32, uint32_t, "l")
CK_PR_CAS_O_S(16, uint16_t, "w")
CK_PR_CAS_O_S(8, uint8_t, "b")
CK_PR_CAS_S(64, uint64_t, "cmpxchgq")
CK_PR_CAS_S(32, uint32_t, "cmpxchgl")
CK_PR_CAS_S(16, uint16_t, "cmpxchgw")
CK_PR_CAS_S(8, uint8_t, "cmpxchgb")
#undef CK_PR_CAS_O_S
#undef CK_PR_CAS_O
#undef CK_PR_CAS_S
#undef CK_PR_CAS
/*
* Contrary to C-interface, alignment requirements are that of uint64_t[2].

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