diff --git a/Core/FileLoaders/CachingFileLoader.cpp b/Core/FileLoaders/CachingFileLoader.cpp
index e79508f529..b9a43e1951 100644
--- a/Core/FileLoaders/CachingFileLoader.cpp
+++ b/Core/FileLoaders/CachingFileLoader.cpp
@@ -91,7 +91,7 @@ size_t CachingFileLoader::ReadAt(s64 absolutePos, size_t bytes, void *data, Flag
 	if (absolutePos >= filesize_) {
 		bytes = 0;
 	} else if (absolutePos + (s64)bytes >= filesize_) {
-		bytes = filesize_ - absolutePos;
+		bytes = (size_t)(filesize_ - absolutePos);
 	}
 
 	size_t readSize = 0;
diff --git a/Core/FileLoaders/RamCachingFileLoader.cpp b/Core/FileLoaders/RamCachingFileLoader.cpp
index b793684da7..0b856eb402 100644
--- a/Core/FileLoaders/RamCachingFileLoader.cpp
+++ b/Core/FileLoaders/RamCachingFileLoader.cpp
@@ -155,7 +155,7 @@ size_t RamCachingFileLoader::ReadFromCache(s64 pos, size_t bytes, void *data) {
 		if (pos >= filesize_) {
 			return 0;
 		}
-		bytes = filesize_ - pos;
+		bytes = (size_t)(filesize_ - pos);
 	}
 
 	std::lock_guard<std::mutex> guard(blocksMutex_);
diff --git a/Core/FileSystems/ISOFileSystem.cpp b/Core/FileSystems/ISOFileSystem.cpp
index 3f0b8c5882..f341f48c1a 100644
--- a/Core/FileSystems/ISOFileSystem.cpp
+++ b/Core/FileSystems/ISOFileSystem.cpp
@@ -652,7 +652,7 @@ std::vector<PSPFileInfo> ISOFileSystem::GetDirListing(std::string path) {
 		x.isOnSectorSystem = true;
 		x.startSector = e->startingPosition/2048;
 		x.sectorSize = sectorSize;
-		x.numSectors = (e->size + sectorSize - 1) / sectorSize;
+		x.numSectors = (u32)((e->size + sectorSize - 1) / sectorSize);
 		memset(&x.atime, 0, sizeof(x.atime));
 		memset(&x.mtime, 0, sizeof(x.mtime));
 		memset(&x.ctime, 0, sizeof(x.ctime));
diff --git a/Core/HW/StereoResampler.cpp b/Core/HW/StereoResampler.cpp
index 740dd7d6b2..96150236fd 100644
--- a/Core/HW/StereoResampler.cpp
+++ b/Core/HW/StereoResampler.cpp
@@ -152,7 +152,7 @@ unsigned int StereoResampler::Mix(short* samples, unsigned int numSamples, bool
 			samples[currentSample + 1] = r1;
 			indexR += 2;
 		}
-		sample_rate_ = sample_rate;
+		sample_rate_ = (float)sample_rate;
 	} else {
 		// Drift prevention mechanism
 		float numLeft = (float)(((indexW - indexR) & INDEX_MASK) / 2);
@@ -161,7 +161,7 @@ unsigned int StereoResampler::Mix(short* samples, unsigned int numSamples, bool
 		if (offset > MAX_FREQ_SHIFT) offset = MAX_FREQ_SHIFT;
 		if (offset < -MAX_FREQ_SHIFT) offset = -MAX_FREQ_SHIFT;
 
-		sample_rate_ = m_input_sample_rate + offset;
+		sample_rate_ = (float)(m_input_sample_rate + offset);
 		const u32 ratio = (u32)(65536.0 * sample_rate_ / (double)sample_rate);
 
 		// TODO: consider a higher-quality resampling algorithm.
@@ -248,7 +248,7 @@ void StereoResampler::GetAudioDebugStats(AudioDebugStats *stats) {
 	overrunCount_ = 0;
 	stats->watermark = m_lowwatermark;
 	stats->bufsize = m_bufsize * 2;
-	stats->instantSampleRate = sample_rate_;
+	stats->instantSampleRate = (int)sample_rate_;
 	stats->lastPushSize = lastPushSize_;
 }
 
diff --git a/Core/MIPS/ARM/ArmCompVFPU.cpp b/Core/MIPS/ARM/ArmCompVFPU.cpp
index 7e4093f946..853c14305c 100644
--- a/Core/MIPS/ARM/ArmCompVFPU.cpp
+++ b/Core/MIPS/ARM/ArmCompVFPU.cpp
@@ -156,7 +156,7 @@ namespace MIPSComp
 			} else {
 				fpr.MapRegV(vregs[i], MAP_DIRTY | MAP_NOINIT);
 				fpr.SpillLockV(vregs[i]);
-				MOVI2F(fpr.V(vregs[i]), constantArray[regnum + (abs<<2)], SCRATCHREG1, (bool)negate);
+				MOVI2F(fpr.V(vregs[i]), constantArray[regnum + (abs<<2)], SCRATCHREG1, negate != 0);
 			}
 		}
 	}
@@ -653,7 +653,7 @@ namespace MIPSComp
 		VectorSize sz = GetVecSize(op);
 
 		// TODO: Force read one of them into regs? probably not.
-		u8 sregs[4], tregs[4], dregs[1];
+		u8 sregs[4], dregs[1];
 		GetVectorRegsPrefixS(sregs, sz, vs);
 		GetVectorRegsPrefixD(dregs, V_Single, vd);