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atomic.hpp: modernize inline assembly for lock bts/btr/btc

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Use flag output (requires clang 9+).
This commit is contained in:
Nekotekina 2020-04-28 18:05:32 +03:00
parent 790fd9ce14
commit 98ab5d5ba2
1 changed files with 9 additions and 9 deletions
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18
rpcs3/util/atomic.hpp
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@ -367,7 +367,7 @@ struct atomic_storage<T, 2> : atomic_storage<T, 0>
{ {
bool result; bool result;
ushort _bit = static_cast<ushort>(bit); ushort _bit = static_cast<ushort>(bit);
__asm__("lock btsw %2, %0\n" "setc %1" : "+m" (dest), "=r" (result) : "Ir" (_bit) : "cc"); __asm__("lock btsw %2, %0\n" : "+m" (dest), "=@ccc" (result) : "Ir" (_bit) : "cc");
return result; return result;
} }
@ -375,7 +375,7 @@ struct atomic_storage<T, 2> : atomic_storage<T, 0>
{ {
bool result; bool result;
ushort _bit = static_cast<ushort>(bit); ushort _bit = static_cast<ushort>(bit);
__asm__("lock btrw %2, %0\n" "setc %1" : "+m" (dest), "=r" (result) : "Ir" (_bit) : "cc"); __asm__("lock btrw %2, %0\n": "+m" (dest), "=@ccc" (result) : "Ir" (_bit) : "cc");
return result; return result;
} }
@ -383,7 +383,7 @@ struct atomic_storage<T, 2> : atomic_storage<T, 0>
{ {
bool result; bool result;
ushort _bit = static_cast<ushort>(bit); ushort _bit = static_cast<ushort>(bit);
__asm__("lock btcw %2, %0\n" "setc %1" : "+m" (dest), "=r" (result) : "Ir" (_bit) : "cc"); __asm__("lock btcw %2, %0\n": "+m" (dest), "=@ccc" (result) : "Ir" (_bit) : "cc");
return result; return result;
} }
#endif #endif
@ -488,21 +488,21 @@ struct atomic_storage<T, 4> : atomic_storage<T, 0>
static inline bool bts(T& dest, uint bit) static inline bool bts(T& dest, uint bit)
{ {
bool result; bool result;
__asm__("lock btsl %2, %0\n" "setc %1" : "+m" (dest), "=r" (result) : "Ir" (bit) : "cc"); __asm__("lock btsl %2, %0\n" : "+m" (dest), "=@ccc" (result) : "Ir" (bit) : "cc");
return result; return result;
} }
static inline bool btr(T& dest, uint bit) static inline bool btr(T& dest, uint bit)
{ {
bool result; bool result;
__asm__("lock btrl %2, %0\n" "setc %1" : "+m" (dest), "=r" (result) : "Ir" (bit) : "cc"); __asm__("lock btrl %2, %0\n" : "+m" (dest), "=@ccc" (result) : "Ir" (bit) : "cc");
return result; return result;
} }
static inline bool btc(T& dest, uint bit) static inline bool btc(T& dest, uint bit)
{ {
bool result; bool result;
__asm__("lock btcl %2, %0\n" "setc %1" : "+m" (dest), "=r" (result) : "Ir" (bit) : "cc"); __asm__("lock btcl %2, %0\n" : "+m" (dest), "=@ccc" (result) : "Ir" (bit) : "cc");
return result; return result;
} }
#endif #endif
@ -608,7 +608,7 @@ struct atomic_storage<T, 8> : atomic_storage<T, 0>
{ {
bool result; bool result;
ullong _bit = bit; ullong _bit = bit;
__asm__("lock btsq %2, %0\n" "setc %1" : "+m" (dest), "=r" (result) : "Ir" (_bit) : "cc"); __asm__("lock btsq %2, %0\n" : "+m" (dest), "=@ccc" (result) : "Ir" (_bit) : "cc");
return result; return result;
} }
@ -616,7 +616,7 @@ struct atomic_storage<T, 8> : atomic_storage<T, 0>
{ {
bool result; bool result;
ullong _bit = bit; ullong _bit = bit;
__asm__("lock btrq %2, %0\n" "setc %1" : "+m" (dest), "=r" (result) : "Ir" (_bit) : "cc"); __asm__("lock btrq %2, %0\n" : "+m" (dest), "=@ccc" (result) : "Ir" (_bit) : "cc");
return result; return result;
} }
@ -624,7 +624,7 @@ struct atomic_storage<T, 8> : atomic_storage<T, 0>
{ {
bool result; bool result;
ullong _bit = bit; ullong _bit = bit;
__asm__("lock btcq %2, %0\n" "setc %1" : "+m" (dest), "=r" (result) : "Ir" (_bit) : "cc"); __asm__("lock btcq %2, %0\n" : "+m" (dest), "=@ccc" (result) : "Ir" (_bit) : "cc");
return result; return result;
} }
#endif #endif