Change all references to "__INTEL__" to "__i386__".

They are functionally identical, but the former is a BeOS/Haiku-specfic
macro that we include in the compiler specs, and the latter is defined
by GCC.

headers/config/HaikuConfig.h

@@ -18,7 +18,7 @@
    __HAIKU_BIG_ENDIAN			- defined to 1 on big endian architectures
    								  (defaults to undefined)
 */
-#if defined(__INTEL__)
+#if defined(__i386__)
 #	define __HAIKU_ARCH					x86
 #	if __GNUC__ == 2
 #		define __HAIKU_ARCH_ABI			"x86_gcc2"

headers/os/kernel/OS.h

@@ -534,7 +534,7 @@ extern status_t		get_cpu_info(uint32 firstCPU, uint32 cpuCount,
 extern status_t		get_cpu_topology_info(cpu_topology_node_info* topologyInfos,
 						uint32* topologyInfoCount);
 
-#if defined(__INTEL__) || defined(__x86_64__)
+#if defined(__i386__) || defined(__x86_64__)
 typedef union {
 	struct {
 		uint32	max_eax;

headers/os/kernel/debugger.h

@@ -24,7 +24,7 @@
 
 #if defined(__x86_64__)
 	typedef struct x86_64_debug_cpu_state debug_cpu_state;
-#elif defined(__INTEL__)
+#elif defined(__i386__)
 	typedef struct x86_debug_cpu_state debug_cpu_state;
 #elif defined(__POWERPC__)
 	typedef struct ppc_debug_cpu_state debug_cpu_state;

headers/os/support/TLS.h

@@ -23,7 +23,7 @@ extern "C" {
 
 extern int32 tls_allocate(void);
 
-#if !_NO_INLINE_ASM && __INTEL__ && __GNUC__
+#if !_NO_INLINE_ASM && __i386__ && __GNUC__
 
 static inline void *
 tls_get(int32 index)
@@ -54,13 +54,13 @@ tls_set(int32 index, void *value)
 		: : "r" (index), "r" (value));
 }
 
-#else	/* !_NO_INLINE_ASM && __INTEL__ && __GNUC__ */
+#else	/* !_NO_INLINE_ASM && __i386__ && __GNUC__ */
 
 extern void *tls_get(int32 index);
 extern void **tls_address(int32 index);
 extern void tls_set(int32 index, void *value);
 
-#endif	/* !_NO_INLINE_ASM && __INTEL__ && __GNUC__ */
+#endif	/* !_NO_INLINE_ASM && __i386__ && __GNUC__ */
 
 #ifdef __cplusplus
 }

headers/posix/arch/x86/signal.h

@@ -10,7 +10,7 @@
  * Architecture-specific structure passed to signal handlers
  */
 
-#if __INTEL__
+#if __i386__
 
 typedef struct packed_fp_stack {
 	unsigned char	st0[10];
@@ -146,6 +146,6 @@ struct vregs {
 	unsigned long			ebx;
 };
 
-#endif /* __INTEL__ */
+#endif /* __i386__ */
 
 #endif /* _ARCH_SIGNAL_H_ */

headers/posix/fenv.h

@@ -1,7 +1,7 @@
 #ifndef _FENV_H
 #define _FENV_H
 
-#if defined(__INTEL__)
+#if defined(__i386__)
 #  include <arch/x86/fenv.h>
 #elif defined(__x86_64__)
 #  include <arch/x86_64/fenv.h>

headers/private/net/r5_compatibility.h

@@ -49,7 +49,7 @@ check_r5_compatibility()
 	if (!__gR5Compatibility)
 		return false;
 
-#ifndef __INTEL__
+#ifndef __i386__
 	return false;
 #else
 

headers/private/shared/cpu_type.h

@@ -31,7 +31,7 @@ int32 get_rounded_cpu_speed(void);
 #endif
 
 
-#if defined(__INTEL__) || defined(__x86_64__)
+#if defined(__i386__) || defined(__x86_64__)
 /*!	Tries to parse an Intel CPU ID string to match our usual naming scheme.
 	Note, this function is not thread safe, and must only be called once
 	at a time.
@@ -182,7 +182,7 @@ get_cpu_vendor_string(enum cpu_vendor cpuVendor)
 }
 
 
-#if defined(__INTEL__) || defined(__x86_64__)
+#if defined(__i386__) || defined(__x86_64__)
 /*! Parameter 'name' needs to point to an allocated array of 49 characters. */
 void
 get_cpuid_model_string(char *name)
@@ -237,21 +237,21 @@ get_cpuid_model_string(char *name)
 		}
 	}
 }
-#endif	/* __INTEL__ || __x86_64__ */
+#endif	/* __i386__ || __x86_64__ */
 
 
 static const char*
 get_cpu_model_string(enum cpu_platform platform, enum cpu_vendor cpuVendor,
 	uint32 cpuModel)
 {
-#if defined(__INTEL__) || defined(__x86_64__)
+#if defined(__i386__) || defined(__x86_64__)
 	char cpuidName[49];
 #endif
 
 	(void)cpuVendor;
 	(void)cpuModel;
 
-#if defined(__INTEL__) || defined(__x86_64__)
+#if defined(__i386__) || defined(__x86_64__)
 	if (platform != B_CPU_x86 && platform != B_CPU_x86_64)
 		return NULL;
 

headers/private/system/syscalls.h

@@ -549,7 +549,7 @@ extern void			_kern_clear_caches(void *address, size_t length,
 extern bool			_kern_cpu_enabled(int32 cpu);
 extern status_t		_kern_set_cpu_enabled(int32 cpu, bool enabled);
 
-#if defined(__INTEL__) || defined(__x86_64__)
+#if defined(__i386__) || defined(__x86_64__)
 // our only x86 only syscall
 extern status_t		_kern_get_cpuid(cpuid_info *info, uint32 eax, uint32 cpu);
 #endif