From 220389758c547d667d397221c3c51605d4723c36 Mon Sep 17 00:00:00 2001
From: chsieh <chester.developer@hotmail.com>
Date: Fri, 17 Dec 2010 16:52:13 -0800
Subject: [PATCH] Added preprocessor token definitions. Also added corresponding ARM asm instructions for existing macros/functions.

---
 Classes/Foundation/Common/GlobalDefines.h |   35 ++++++++++++++++++++--------
 Littlest.xcodeproj/project.pbxproj        |   10 +++++++-
 2 files changed, 34 insertions(+), 11 deletions(-)

diff --git a/Classes/Foundation/Common/GlobalDefines.h b/Classes/Foundation/Common/GlobalDefines.h
index 58323d7..94b70ba 100755
--- a/Classes/Foundation/Common/GlobalDefines.h
+++ b/Classes/Foundation/Common/GlobalDefines.h
@@ -3,38 +3,40 @@
 #include "Foundation/Common/GlobalTypes.h"
 
 #ifdef _WINDOWS
-#define __WINDOWS__
+  #define __WINDOWS__
+#ifdef __iOS__
+  #define __ARM__
 #endif
 
 #ifdef _DEBUG
-#define DEBUG
+  #define DEBUG
 #endif
 
 #ifdef _NDEBUG
-#define RELEASE
+  #define RELEASE
 #endif
 
 #ifndef NULL
-#define NULL 0
+  #define NULL 0
 #endif
 
 #ifndef FALSE
-#define FALSE 0
+  #define FALSE 0
 #endif
 
 #ifndef TRUE
-#define TRUE 1
+  #define TRUE 1
 #endif
 
 //----------------------------------------------------------------------------------------
 // cache information
 #ifndef CACHE_LINE_SIZE
-#define CACHE_LINE_SIZE         128 //equal to 2 line for intel normally
+#define CACHE_LINE_SIZE         128 // normally equals to 2 lines for intel
 #endif
 
 //----------------------------------------------------------------------------------------
 //force inline on non-debug, might make code explode
-#ifdef _DEBUG
+#ifdef DEBUG
   #define slInline                inline
 #else
   #define slInline                __forceinline
@@ -49,6 +51,8 @@
 // alignment macros
 #if defined(__WINDOWS__)
 #define ALIGN(N)                  __declspec(align(N))
+#elif defined(__iOS__)
+#define ALIGN(N)                  __atribute__((aligned (N)))
 #endif
 
 #define IS_POWER_OF_TWO(x)        ( ((x) & -(x)) == (x) )
@@ -66,7 +70,7 @@
 #if defined(__WINDOWS__)
 // uhh, nothing?
 #elif defined(__ARM__)
-#define DCBT(x) __asm__("pld" #(x))
+#define DCBT(x) __asm__("pld %0" : : "r"((x)))
 #else
 #error Not implemented yet!
 #endif
@@ -95,6 +99,7 @@
 
 //----------------------------------------------------------------------------------------
 #if defined(__WINDOWS__)
+
 slInline uint8_t LZCount(uint64_t x)
 {
   uint8_t leading_zero_count = 0;
@@ -112,8 +117,18 @@ slInline uint8_t LZCount(uint64_t x)
 
   return leading_zero_count;
 }
+
+#elif defined(__ARM__)
+
+slInline uint8_t LZCount(uint64_t x)
+{
+  uint8_t result;
+  __asm__("clz %1 %0" : "=r" (result) : "r"(x));
+  return result;
+}
+
 #else
-#error // use lzcnt!
+#error use lzcnt!
 #endif
 
 //----------------------------------------------------------------------------------------
diff --git a/Littlest.xcodeproj/project.pbxproj b/Littlest.xcodeproj/project.pbxproj
index d49746c..81661ef 100755
--- a/Littlest.xcodeproj/project.pbxproj
+++ b/Littlest.xcodeproj/project.pbxproj
@@ -385,9 +385,14 @@
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				GCC_CHAR_IS_UNSIGNED_CHAR = YES;
 				GCC_C_LANGUAGE_STANDARD = c99;
+				GCC_ENABLE_CPP_EXCEPTIONS = NO;
+				GCC_ENABLE_CPP_RTTI = NO;
 				GCC_FAST_MATH = YES;
 				GCC_ONE_BYTE_BOOL = NO;
-				GCC_PREPROCESSOR_DEFINITIONS = DEBUG;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					__iOS__,
+					DEBUG,
+				);
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				PREBINDING = NO;
@@ -402,8 +407,11 @@
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				GCC_CHAR_IS_UNSIGNED_CHAR = YES;
 				GCC_C_LANGUAGE_STANDARD = c99;
+				GCC_ENABLE_CPP_EXCEPTIONS = NO;
+				GCC_ENABLE_CPP_RTTI = NO;
 				GCC_FAST_MATH = YES;
 				GCC_ONE_BYTE_BOOL = NO;
+				GCC_PREPROCESSOR_DEFINITIONS = __iOS__;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				OTHER_CFLAGS = "-DNS_BLOCK_ASSERTIONS=1";
-- 
1.7.0.4