X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Usermode%2FLibraries%2Flibgcc.so_src%2Flibgcc.c;h=df1832d115318833286326699ce4dd42bd4a3940;hb=fb3abbad5dfd71ea2b190d0b33d9c57e879fb15a;hp=8c5c13a0eb75ba0be13a9a8744c68bf921b1ea70;hpb=6c7e82169e66197939b83945812b02787ed0f52e;p=tpg%2Facess2.git

diff --git a/Usermode/Libraries/libgcc.so_src/libgcc.c b/Usermode/Libraries/libgcc.so_src/libgcc.c
index 8c5c13a0..df1832d1 100644
--- a/Usermode/Libraries/libgcc.so_src/libgcc.c
+++ b/Usermode/Libraries/libgcc.so_src/libgcc.c
@@ -18,111 +18,3 @@ void __stack_chk_fail()
 	for(;;);
 }
 
-// --- 64-Bit Math ---
-/**
- * \fn uint64_t __udivdi3(uint64_t Num, uint64_t Den)
- * \brief Divide two 64-bit integers
- */
-uint64_t __udivdi3(uint64_t Num, uint64_t Den)
-{
-	#if 0
-	uint64_t	ret = 0;
-	if(Den == 0)	// Call Div by Zero Error
-		__asm__ __volatile__ ("int $0");
-	
-	if(Den == 1)	return Num;
-	if(Den == 2)	return Num >> 1;
-	if(Den == 4)	return Num >> 2;
-	if(Den == 8)	return Num >> 3;
-	if(Den == 16)	return Num >> 4;
-	if(Den == 32)	return Num >> 5;
-	if(Den == 64)	return Num >> 6;
-	if(Den == 128)	return Num >> 7;
-	if(Den == 256)	return Num >> 8;
-	
-	while(Num > Den) {
-		ret ++;
-		Num -= Den;
-	}
-	return ret;
-	#else
-	uint64_t	P[2];
-	uint64_t	q;
-	 int	i;
-	
-	if(Den == 0)	__asm__ __volatile__ ("int $0x0");
-	// Common speedups
-	if(Num <= 0xFFFFFFFF && Den <= 0xFFFFFFFF)
-		return (uint32_t)Num / (uint32_t)Den;
-	if(Den == 1)	return Num;
-	if(Den == 2)	return Num >> 1;
-	if(Den == 16)	return Num >> 4;
-	if(Num < Den)	return 0;
-	if(Num < Den*2)	return 1;
-	if(Num == Den*2)	return 2;
-	
-	// Restoring division, from wikipedia
-	// http://en.wikipedia.org/wiki/Division_(digital)
-	P[0] = Num;	P[1] = 0;
-	for( i = 64; i--; )
-	{
-		// P <<= 1;
-		P[1] = (P[1] << 1) | (P[0] >> 63);
-		P[0] = P[0] << 1;
-		
-		// P -= Den << 64
-		P[1] -= Den;
-		
-		// P >= 0
-		if( !(P[1] & (1ULL<<63)) ) {
-			q |= (uint64_t)1 << (63-i);
-		}
-		else {
-			//q |= 0 << (63-i);
-			P[1] += Den;
-		}
-	}
-	
-	return q;
-	#endif
-}
-
-/**
- * \fn uint64_t __umoddi3(uint64_t Num, uint64_t Den)
- * \brief Get the modulus of two 64-bit integers
- */
-uint64_t __umoddi3(uint64_t Num, uint64_t Den)
-{
-	#if 0
-	if(Den == 0)	__asm__ __volatile__ ("int $0");	// Call Div by Zero Error
-	
-	if(Den == 1)	return 0;
-	if(Den == 2)	return Num & 0x01;
-	if(Den == 4)	return Num & 0x03;
-	if(Den == 8)	return Num & 0x07;
-	if(Den == 16)	return Num & 0x0F;
-	if(Den == 32)	return Num & 0x1F;
-	if(Den == 64)	return Num & 0x3F;
-	if(Den == 128)	return Num & 0x3F;
-	if(Den == 256)	return Num & 0x7F;
-	
-	while(Num >= Den)	Num -= Den;
-	
-	return Num;
-	#else
-	if(Den == 0)	__asm__ __volatile__ ("int $0");	// Call Div by Zero Error
-	
-	// Speedups
-	if(Num < Den)	return Num;
-	if(Num == Den)	return 0;
-	if(Num <= 0xFFFFFFFF && Den <= 0xFFFFFFFF)
-		return (uint32_t)Num % (uint32_t)Den;
-	
-	// Speedups for common operations
-	if(Den == 1)	return 0;
-	if(Den == 2)	return Num & 0x01;
-	if(Den == 8)	return Num & 0x07;
-	if(Den == 16)	return Num & 0x0F;
-	return Num - __udivdi3(Num, Den) * Den;
-	#endif
-}