Migrate atomics to .bc
Change-Id: I7792c2dad9d308b8fc5333d272a784277db8cb09
diff --git a/lib/Renderscript/runtime/rs_core.c b/lib/Renderscript/runtime/rs_core.c
index dc026a9..102289a 100644
--- a/lib/Renderscript/runtime/rs_core.c
+++ b/lib/Renderscript/runtime/rs_core.c
@@ -45,9 +45,121 @@
}
*/
-extern float4 rsUnpackColor8888(uchar4 c)
+extern float4 __attribute__((overloadable)) rsUnpackColor8888(uchar4 c)
{
return convert_float4(c) * 0.003921569f;
}
+extern int32_t __attribute__((overloadable)) rsAtomicCas(volatile int32_t *ptr, int32_t expectedValue, int32_t newValue) {
+ return __sync_val_compare_and_swap(ptr, expectedValue, newValue);
+}
+
+extern uint32_t __attribute__((overloadable)) rsAtomicCas(volatile uint32_t *ptr, uint32_t expectedValue, uint32_t newValue) {
+ return __sync_val_compare_and_swap((volatile int32_t *)ptr, (int32_t)expectedValue, (int32_t)newValue);
+}
+
+extern int32_t __attribute__((overloadable)) rsAtomicInc(volatile int32_t *ptr) {
+ return __sync_fetch_and_add(ptr, 1);
+}
+
+extern int32_t __attribute__((overloadable)) rsAtomicDec(volatile int32_t *ptr) {
+ return __sync_fetch_and_sub(ptr, 1);
+}
+
+extern int32_t __attribute__((overloadable)) rsAtomicAdd(volatile int32_t *ptr, int32_t value) {
+ return __sync_fetch_and_add(ptr, value);
+}
+
+extern int32_t __attribute__((overloadable)) rsAtomicSub(volatile int32_t *ptr, int32_t value) {
+ return __sync_fetch_and_sub(ptr, value);
+}
+
+extern int32_t __attribute__((overloadable)) rsAtomicAnd(volatile int32_t *ptr, int32_t value) {
+ return __sync_fetch_and_and(ptr, value);
+}
+
+extern int32_t __attribute__((overloadable)) rsAtomicOr(volatile int32_t *ptr, int32_t value) {
+ return __sync_fetch_and_or(ptr, value);
+}
+
+extern int32_t __attribute__((overloadable)) rsAtomicXor(volatile int32_t *ptr, int32_t value) {
+ return __sync_fetch_and_xor(ptr, value);
+}
+
+extern uint32_t __attribute__((overloadable)) min(uint32_t, uint32_t);
+extern int32_t __attribute__((overloadable)) min(int32_t, int32_t);
+extern uint32_t __attribute__((overloadable)) max(uint32_t, uint32_t);
+extern int32_t __attribute__((overloadable)) max(int32_t, int32_t);
+
+extern uint32_t __attribute__((overloadable)) rsAtomicMin(volatile uint32_t *ptr, uint32_t value) {
+ uint32_t prev, status;
+ do {
+ prev = *ptr;
+ uint32_t n = min(value, prev);
+ status = rsAtomicCas((volatile int32_t*) ptr, (int32_t) prev, (int32_t)n);
+ } while (status != prev);
+ return prev;
+}
+
+extern int32_t __attribute__((overloadable)) rsAtomicMin(volatile int32_t *ptr, int32_t value) {
+ int32_t prev, status;
+ do {
+ prev = *ptr;
+ int32_t n = min(value, prev);
+ status = rsAtomicCas(ptr, prev, n);
+ } while (status != prev);
+ return prev;
+}
+
+extern uint32_t __attribute__((overloadable)) rsAtomicMax(volatile uint32_t *ptr, uint32_t value) {
+ uint32_t prev, status;
+ do {
+ prev = *ptr;
+ uint32_t n = max(value, prev);
+ status = rsAtomicCas((volatile int32_t*) ptr, (int32_t) prev, (int32_t) n);
+ } while (status != prev);
+ return prev;
+}
+
+extern int32_t __attribute__((overloadable)) rsAtomicMax(volatile int32_t *ptr, int32_t value) {
+ int32_t prev, status;
+ do {
+ prev = *ptr;
+ int32_t n = max(value, prev);
+ status = rsAtomicCas(ptr, prev, n);
+ } while (status != prev);
+ return prev;
+}
+
+
+
+extern int32_t rand();
+#define RAND_MAX 0x7fffffff
+
+
+
+extern float __attribute__((overloadable)) rsRand(float min, float max);/* {
+ float r = (float)rand();
+ r /= RAND_MAX;
+ r = r * (max - min) + min;
+ return r;
+}
+*/
+
+extern float __attribute__((overloadable)) rsRand(float max) {
+ return rsRand(0.f, max);
+ //float r = (float)rand();
+ //r *= max;
+ //r /= RAND_MAX;
+ //return r;
+}
+
+extern int __attribute__((overloadable)) rsRand(int max) {
+ return (int)rsRand((float)max);
+}
+
+extern int __attribute__((overloadable)) rsRand(int min, int max) {
+ return (int)rsRand((float)min, (float)max);
+}
+
