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Core/Misc: update g3dlite lib (#2904)

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* Core/Misc: update g3dlite lib

* update

Co-authored-by: Francesco Borzì <borzifrancesco@gmail.com>
This commit is contained in:
Viste
2020-07-30 13:35:45 +03:00
committed by GitHub
parent 91bbbf08eb
commit fcaf91b8b2
183 changed files with 13258 additions and 8022 deletions
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deps/g3dlite/include/G3D/AtomicInt32.h
Vendored
+40 -28
View File
@@ -28,7 +28,7 @@ namespace G3D {
*/
class AtomicInt32 {
private:
# if defined(G3D_WIN32)
# if defined(G3D_WINDOWS)
volatile long m_value;
# elif defined(G3D_OSX)
int32_t m_value;
@@ -70,18 +70,22 @@ public:
/** Returns the old value, before the add. */
int32 add(const int32 x) {
# if defined(G3D_WIN32)
# if defined(G3D_WINDOWS)
return InterlockedExchangeAdd(&m_value, x);
# elif defined(G3D_LINUX) || defined(G3D_FREEBSD)
int32 old;
asm volatile ("lock; xaddl %0,%1"
: "=r"(old), "=m"(m_value) /* outputs */
: "0"(x), "m"(m_value) /* inputs */
: "memory", "cc");
return old;
# if defined(__aarch64__)
return __sync_fetch_and_add(&m_value, x);
# else
int32 old;
asm volatile ("lock; xaddl %0,%1"
: "=r"(old), "=m"(m_value) /* outputs */
: "0"(x), "m"(m_value) /* inputs */
: "memory", "cc");
return old;
# endif
# elif defined(G3D_OSX)
@@ -98,7 +102,7 @@ public:
}
void increment() {
# if defined(G3D_WIN32)
# if defined(G3D_WINDOWS)
// Note: returns the newly incremented value
InterlockedIncrement(&m_value);
# elif defined(G3D_LINUX) || defined(G3D_FREEBSD)
@@ -111,18 +115,22 @@ public:
/** Returns zero if the result is zero after decrement, non-zero otherwise.*/
int32 decrement() {
# if defined(G3D_WIN32)
# if defined(G3D_WINDOWS)
// Note: returns the newly decremented value
return InterlockedDecrement(&m_value);
# elif defined(G3D_LINUX) || defined(G3D_FREEBSD)
unsigned char nz;
# if defined(__aarch64__)
return __sync_sub_and_fetch(&m_value, 1);
# else
unsigned char nz;
asm volatile ("lock; decl %1;\n\t"
"setnz %%al"
: "=a" (nz)
: "m" (m_value)
: "memory", "cc");
return nz;
asm volatile ("lock; decl %1;\n\t"
"setnz %%al"
: "=a" (nz)
: "m" (m_value)
: "memory", "cc");
return nz;
# endif
# elif defined(G3D_OSX)
// Note: returns the newly decremented value
return OSAtomicDecrement32(&m_value);
@@ -140,20 +148,24 @@ public:
Under VC6 the sign bit may be lost.
*/
int32 compareAndSet(const int32 comperand, const int32 exchange) {
# if defined(G3D_WIN32)
# if defined(G3D_WINDOWS)
return InterlockedCompareExchange(&m_value, exchange, comperand);
# elif defined(G3D_LINUX) || defined(G3D_FREEBSD) || defined(G3D_OSX)
// Based on Apache Portable Runtime
// http://koders.com/c/fid3B6631EE94542CDBAA03E822CA780CBA1B024822.aspx
int32 ret;
asm volatile ("lock; cmpxchgl %1, %2"
: "=a" (ret)
: "r" (exchange), "m" (m_value), "0"(comperand)
: "memory", "cc");
return ret;
# if defined(__aarch64__)
return __sync_val_compare_and_swap(&m_value, comperand, exchange);
# else
// Based on Apache Portable Runtime
// http://koders.com/c/fid3B6631EE94542CDBAA03E822CA780CBA1B024822.aspx
int32 ret;
asm volatile ("lock; cmpxchgl %1, %2"
: "=a" (ret)
: "r" (exchange), "m" (m_value), "0"(comperand)
: "memory", "cc");
return ret;
// Note that OSAtomicCompareAndSwap32 does not return a useful value for us
// so it can't satisfy the cmpxchgl contract.
// Note that OSAtomicCompareAndSwap32 does not return a useful value for us
// so it can't satisfy the cmpxchgl contract.
# endif
# endif
}