--- portab.h	2002/03/28 23:38:50	1.10
+++ portab.h	2002/03/30 16:21:47	1.13
@@ -39,7 +39,7 @@
 	type * name = (type *) (((int32_t) name##_storage+(alignment - 1)) & ~((int32_t)(alignment)-1))
 #else
 #define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \
-	__declspec(align(CACHE_LINE)) type name[(sizex)*(sizey)]
+	__declspec(align(alignment)) type name[(sizex)*(sizey)]
 #endif
 
 // needed for bitstream.h
@@ -110,9 +110,28 @@
 
 // needed for bitstream.h
 #ifdef ARCH_PPC
-	#define BSWAP(a) __asm__ ( "lwbrx %0,0,%1; eieio" : "=r" (a) : \
+	#define BSWAP(a) __asm__ __volatile__ ( "lwbrx %0,0,%1; eieio" : "=r" (a) : \
 		"r" (&(a)), "m" (a));
 	#define EMMS()
+
+	static __inline unsigned long get_tbl(void) {
+		unsigned long tbl;
+		asm volatile("mftb %0" : "=r" (tbl));
+		return tbl;
+	}
+	static __inline unsigned long get_tbu(void) {
+		unsigned long tbl;
+		asm volatile("mftbu %0" : "=r" (tbl));
+		return tbl;
+	}
+	static __inline int64_t read_counter() {
+		unsigned long tb, tu;
+		do {
+			tu = get_tbu();
+			tb = get_tbl();
+		} while(tb != get_tbl());
+		return (((int64_t)tu) << 32) | (int64_t)tb;
+	}
 #else
 	#define BSWAP(a) __asm__ ( "bswapl %0\n" : "=r" (a) : "0" (a) )
 	#define EMMS() __asm__("emms\n\t")