SWDEV-301289 - Treewide macro rename

ATI_OS_WIN -> _WIN32
ATI_OS_LINUX -> __linux__

We should not rely on non-standard macros for platform detections.

Change-Id: If1d06e2e1187268df62a59609ea5496ab7eb709d


[ROCm/clr commit: c4aa6febe5]

projects/clr/opencl/tests/ocltst/env/Timer.cpp

@@ -20,22 +20,22 @@
 
 #include "Timer.h"
 
-#ifdef ATI_OS_WIN
+#ifdef _WIN32
 #include <windows.h>
 #endif
 
-#ifdef ATI_OS_LINUX
+#ifdef __linux__
 #include <sys/time.h>
 #endif
 
 CPerfCounter::CPerfCounter() : _clocks(0), _start(0) {
-#ifdef ATI_OS_WIN
+#ifdef _WIN32
 
   QueryPerformanceFrequency((LARGE_INTEGER *)&_freq);
 
 #endif
 
-#ifdef ATI_OS_LINUX
+#ifdef __linux__
   _freq = 1000;
 #endif
 }
@@ -45,7 +45,7 @@ CPerfCounter::~CPerfCounter() {
 }
 
 void CPerfCounter::Start(void) {
-#ifdef ATI_OS_WIN
+#ifdef _WIN32
 
   if (_start) {
     MessageBox(NULL, "Bad Perf Counter Start", "Error", MB_OK);
@@ -54,7 +54,7 @@ void CPerfCounter::Start(void) {
   QueryPerformanceCounter((LARGE_INTEGER *)&_start);
 
 #endif
-#ifdef ATI_OS_LINUX
+#ifdef __linux__
 
   struct timeval s;
   gettimeofday(&s, 0);
@@ -66,7 +66,7 @@ void CPerfCounter::Start(void) {
 void CPerfCounter::Stop(void) {
   i64 n;
 
-#ifdef ATI_OS_WIN
+#ifdef _WIN32
 
   if (!_start) {
     MessageBox(NULL, "Bad Perf Counter Stop", "Error", MB_OK);
@@ -76,7 +76,7 @@ void CPerfCounter::Stop(void) {
   QueryPerformanceCounter((LARGE_INTEGER *)&n);
 
 #endif
-#ifdef ATI_OS_LINUX
+#ifdef __linux__
 
   struct timeval s;
   gettimeofday(&s, 0);
@@ -90,7 +90,7 @@ void CPerfCounter::Stop(void) {
 }
 
 void CPerfCounter::Reset(void) {
-#ifdef ATI_OS_WIN
+#ifdef _WIN32
   if (_start) {
     MessageBox(NULL, "Bad Perf Counter Reset", "Error", MB_OK);
     exit(0);
@@ -100,7 +100,7 @@ void CPerfCounter::Reset(void) {
 }
 
 double CPerfCounter::GetElapsedTime(void) {
-#ifdef ATI_OS_WIN
+#ifdef _WIN32
   if (_start) {
     MessageBox(NULL, "Trying to get time while still running.", "Error", MB_OK);
     exit(0);