use int with for loops

blake32.cu

@@ -133,7 +133,7 @@ void blake256_compress(uint32_t *h, const uint32_t *block, const uint32_t T0, co
 	m[2] = block[2];
 	m[3] = block[3];
 
-	for (uint32_t i = 4; i < 16; i++) {
+	for (int i = 4; i < 16; i++) {
 #if PRECALC64
 		m[i] = c_Padding[i];
 #else
@@ -173,7 +173,7 @@ void blake256_compress(uint32_t *h, const uint32_t *block, const uint32_t T0, co
 	h[7U] ^= v[7U] ^ v[15U];
 #else
 	//#pragma unroll 16
-	for (uint32_t i = 0; i < 16; i++) {
+	for (int i = 0; i < 16; i++) {
 		uint32_t j = i % 8U;
 		h[j] ^= v[i];
 	}

ccminer.vcxproj

@@ -174,7 +174,7 @@
       <MaxRegCount>80</MaxRegCount>
       <PtxAsOptionV>true</PtxAsOptionV>
       <Keep>true</Keep>
-      <CodeGeneration>compute_50,sm_50</CodeGeneration>
+      <CodeGeneration>compute_50,sm_50;compute_52,sm_52</CodeGeneration>
       <AdditionalOptions>--ptxas-options="-O2" %(AdditionalOptions)</AdditionalOptions>
       <Defines>
       </Defines>

pentablake.cu

@@ -149,7 +149,7 @@ void pentablake_compress(uint64_t *h, const uint64_t *block, const uint32_t T0)
 	m[2] = block[2];
 	m[3] = block[3];
 
-	for (uint32_t i = 4; i < 16; i++) {
+	for (int i = 4; i < 16; i++) {
 		m[i] = (T0 == 0x200) ? block[i] : c_Padding[i];
 	}
 
@@ -167,7 +167,7 @@ void pentablake_compress(uint64_t *h, const uint64_t *block, const uint32_t T0)
 	v[14] = c_u512[6];
 	v[15] = c_u512[7];
 
-	for (uint32_t i = 0; i < 16; i++) {
+	for (int i = 0; i < 16; i++) {
 		/* column step */
 		G(0, 4, 0x8, 0xC, 0x0);
 		G(1, 5, 0x9, 0xD, 0x2);
@@ -181,7 +181,7 @@ void pentablake_compress(uint64_t *h, const uint64_t *block, const uint32_t T0)
 	}
 
 	//#pragma unroll 16
-	for (uint32_t i = 0; i < 16; i++) {
+	for (int i = 0; i < 16; i++) {
 		uint32_t j = i % 8;
 		h[j] ^= v[i];
 	}
@@ -293,13 +293,13 @@ void pentablake_gpu_hash_80(int threads, const uint32_t startNounce, void *outpu
 #if __CUDA_ARCH__ < 300
 		uint32_t *outHash = (uint32_t *)outputHash + 16 * thread;
 		#pragma unroll 8
-		for (uint32_t i=0; i < 8; i++) {
+		for (int i=0; i < 8; i++) {
 			outHash[2*i]   = cuda_swab32( _HIWORD(h[i]) );
 			outHash[2*i+1] = cuda_swab32( _LOWORD(h[i]) );
 		}
 #else
 		uint64_t *outHash = (uint64_t *)outputHash + 8 * thread;
-		for (uint32_t i=0; i < 8; i++) {
+		for (int i=0; i < 8; i++) {
 			outHash[i] = cuda_swab64( h[i] );
 		}
 #endif

quark/cuda_quark_blake512.cu

@@ -272,13 +272,13 @@ void quark_blake512_gpu_hash_80(int threads, uint32_t startNounce, uint32_t *out
 #if __CUDA_ARCH__ <= 350
 		uint32_t *outHash = outputHash + 16 * thread;
 		#pragma unroll 8
-		for (uint32_t i=0; i < 8; i++) {
+		for (int i=0; i < 8; i++) {
 			outHash[2*i]   = cuda_swab32( _HIWORD(h[i]) );
 			outHash[2*i+1] = cuda_swab32( _LOWORD(h[i]) );
 		}
 #else
 		uint64_t *outHash = (uint64_t *)outputHash + 8 * thread;
-		for (uint32_t i=0; i < 8; i++) {
+		for (int i=0; i < 8; i++) {
 			outHash[i] = cuda_swab64( h[i] );
 		}
 #endif