diff --git a/glm/core/setup.hpp b/glm/core/setup.hpp
index 619e7adc..436b7909 100644
--- a/glm/core/setup.hpp
+++ b/glm/core/setup.hpp
@@ -43,6 +43,8 @@
 
 // GCC defines
 #define GLM_COMPILER_GCC            0x02000000
+#define GLM_COMPILER_GCC_LLVM       0x02000000
+#define GLM_COMPILER_GCC_CLANG      0x02000000
 #define GLM_COMPILER_GCC30			0x02000010
 #define GLM_COMPILER_GCC31			0x02000020
 #define GLM_COMPILER_GCC32			0x02000030
@@ -145,22 +147,19 @@
 #		define GLM_COMPILER GLM_COMPILER_VC
 #	endif//_MSC_VER
 
-#elif defined(__clang__)
-#	if   (__clang_major__ == 2) && (__clang_minor__ == 6)
-#		define GLM_COMPILER GLM_COMPILER_CLANG26
-#	elif (__clang_major__ == 2) && (__clang_minor__ == 7)
-#		define GLM_COMPILER GLM_COMPILER_CLANG27
-#	elif (__clang_major__ == 2) && (__clang_minor__ == 8)
-#		define GLM_COMPILER GLM_COMPILER_CLANG28
-#	elif (__clang_major__ == 2) && (__clang_minor__ == 9)
-#		define GLM_COMPILER GLM_COMPILER_CLANG29
-#	endif
-
-#elif defined(__llvm__)
-#	define GLM_COMPILER GLM_COMPILER_LLVM_GCC
-
 // G++
-#elif defined(__GNUC__)
+#elif defined(__GNUC__) || defined(__llvm__) || defined(__clang__)
+#   if defined (__llvm__)
+#       pragma message("LLVM")
+#       define GLM_COMPILER_GCC_EXTRA GLM_COMPILER_GCC_LLVM
+#   elif defined (__clang__)
+#       pragma message("CLANG")
+#       define GLM_COMPILER_GCC_EXTRA GLM_COMPILER_GCC_CLANG
+#   else
+#       pragma message("GCC")
+#       define GLM_COMPILER_GCC_EXTRA 0
+#   endif
+#
 #	if   (__GNUC__ == 3) && (__GNUC_MINOR__ == 2)
 #		define GLM_COMPILER GLM_COMPILER_GCC32
 #	elif (__GNUC__ == 3) && (__GNUC_MINOR__ == 3)
@@ -170,29 +169,29 @@
 #	elif (__GNUC__ == 3) && (__GNUC_MINOR__ == 5)
 #		define GLM_COMPILER GLM_COMPILER_GCC35
 #	elif (__GNUC__ == 4) && (__GNUC_MINOR__ == 0)
-#		define GLM_COMPILER GLM_COMPILER_GCC40
+#		define GLM_COMPILER (GLM_COMPILER_GCC40 | GLM_COMPILER_GCC_EXTRA)
 #	elif (__GNUC__ == 4) && (__GNUC_MINOR__ == 1)
-#		define GLM_COMPILER GLM_COMPILER_GCC41
+#		define GLM_COMPILER (GLM_COMPILER_GCC41 | GLM_COMPILER_GCC_EXTRA)
 #	elif (__GNUC__ == 4) && (__GNUC_MINOR__ == 2)
-#		define GLM_COMPILER GLM_COMPILER_GCC42
+#		define GLM_COMPILER (GLM_COMPILER_GCC42 | GLM_COMPILER_GCC_EXTRA)
 #	elif (__GNUC__ == 4) && (__GNUC_MINOR__ == 3)
-#		define GLM_COMPILER GLM_COMPILER_GCC43
+#		define GLM_COMPILER (GLM_COMPILER_GCC43 | GLM_COMPILER_GCC_EXTRA)
 #	elif (__GNUC__ == 4) && (__GNUC_MINOR__ == 4)
-#		define GLM_COMPILER GLM_COMPILER_GCC44
+#		define GLM_COMPILER (GLM_COMPILER_GCC44 | GLM_COMPILER_GCC_EXTRA)
 #	elif (__GNUC__ == 4) && (__GNUC_MINOR__ == 5)
-#		define GLM_COMPILER GLM_COMPILER_GCC45
+#		define GLM_COMPILER (GLM_COMPILER_GCC45 | GLM_COMPILER_GCC_EXTRA)
 #	elif (__GNUC__ == 4) && (__GNUC_MINOR__ == 6)
-#		define GLM_COMPILER GLM_COMPILER_GCC46
+#		define GLM_COMPILER (GLM_COMPILER_GCC46 | GLM_COMPILER_GCC_EXTRA)
 #	elif (__GNUC__ == 4) && (__GNUC_MINOR__ == 7)
-#		define GLM_COMPILER GLM_COMPILER_GCC47
+#		define GLM_COMPILER (GLM_COMPILER_GCC47 | GLM_COMPILER_GCC_EXTRA)
 #	elif (__GNUC__ == 4) && (__GNUC_MINOR__ == 8)
-#		define GLM_COMPILER GLM_COMPILER_GCC48
+#		define GLM_COMPILER (GLM_COMPILER_GCC48 | GLM_COMPILER_GCC_EXTRA)
 #	elif (__GNUC__ == 4) && (__GNUC_MINOR__ == 9)
-#		define GLM_COMPILER GLM_COMPILER_GCC49
+#		define GLM_COMPILER (GLM_COMPILER_GCC49 | GLM_COMPILER_GCC_EXTRA)
 #	elif (__GNUC__ == 5) && (__GNUC_MINOR__ == 0)
-#		define GLM_COMPILER GLM_COMPILER_GCC50
+#		define GLM_COMPILER (GLM_COMPILER_GCC50 | GLM_COMPILER_GCC_EXTRA)
 #	else
-#		define GLM_COMPILER GLM_COMPILER_GCC
+#		define GLM_COMPILER (GLM_COMPILER_GCC | GLM_COMPILER_GCC_EXTRA)
 #	endif
 
 // Borland C++
@@ -233,7 +232,13 @@
 #	elif(GLM_COMPILER & GLM_COMPILER_LLVM_GCC)
 #		pragma message("GLM: LLVM GCC compiler detected")
 #	elif(GLM_COMPILER & GLM_COMPILER_GCC)
-#		pragma message("GLM: GCC compiler detected")
+#       if(GLM_COMPILER & GLM_COMPILER_GCC_LLVM)
+#           pragma message("GLM: LLVM GCC compiler detected")
+#       elif(GLM_COMPILER & GLM_COMPILER_GCC_CLANG)
+#           pragma message("GLM: CLANG compiler detected")
+#       else
+#           pragma message("GLM: GCC compiler detected")
+#       endif
 #	elif(GLM_COMPILER & GLM_COMPILER_BC)
 #		pragma message("GLM: Borland compiler detected but not supported")
 #	elif(GLM_COMPILER & GLM_COMPILER_CODEWARRIOR)
@@ -354,7 +359,6 @@
 #		define GLM_ARCH GLM_ARCH_PURE
 #	endif
 #elif((GLM_COMPILER & GLM_COMPILER_GCC) && (defined(__i386__) || defined(__x86_64__)))
-#   error "GCC"
 #	if(defined(__AVX__))
 #		define GLM_ARCH GLM_ARCH_AVX
 #	elif(defined(__SSE3__))
diff --git a/glm/gtc/swizzle.hpp b/glm/gtc/swizzle.hpp
index b3441326..b2e46b89 100644
--- a/glm/gtc/swizzle.hpp
+++ b/glm/gtc/swizzle.hpp
@@ -75,7 +75,7 @@ namespace swizzle ///< GLM_GTC_swizzle extension
 		template <comp x>										\
 		GLM_FUNC_QUALIFIER TYPE& swizzle(detail::tvec##SIZE<TYPE> & v)		\
 		{return v[x];}
-
+/*
 	static_swizzle1(detail::float16, 2)
 	static_swizzle1(detail::float16, 3)
 	static_swizzle1(detail::float16, 4)
@@ -126,32 +126,34 @@ namespace swizzle ///< GLM_GTC_swizzle extension
 		template <comp x, comp y, comp z, comp w> \
 		GLM_FUNC_QUALIFIER TYPE swizzle(TYPE const & v) \
 		{return TYPE(v[x], v[y], v[z], v[w]);}
-/*
-#		define static_swizzle2_const(TYPE, SIZE)									\
+*/
+
+#	define static_swizzle2_const(TYPE, SIZE)									\
 		template <comp x, comp y>												\
 		GLM_FUNC_QUALIFIER detail::tvec2<TYPE> swizzle(detail::tvec##SIZE<TYPE> const & v)	\
 		{return detail::tvec2<TYPE>(v[x], v[y]);}
 
-#		define static_swizzle3_const(TYPE, SIZE)									\
+#	define static_swizzle3_const(TYPE, SIZE)									\
 		template <comp x, comp y, comp z>										\
 		GLM_FUNC_QUALIFIER detail::tvec3<TYPE> swizzle(detail::tvec##SIZE<TYPE> const & v)	\
 		{return detail::tvec3<TYPE>(v[x], v[y], v[z]);}
 
-#		define static_swizzle4_const(TYPE, SIZE)									\
+#	define static_swizzle4_const(TYPE, SIZE)									\
 		template <comp x, comp y, comp z, comp w>								\
 		GLM_FUNC_QUALIFIER detail::tvec4<TYPE> swizzle(detail::tvec##SIZE<TYPE> const & v)	\
 		{return detail::tvec4<TYPE>(v[x], v[y], v[z], v[w]);}
-*/
-	static_swizzle2_const(glm::f16vec2)
-	static_swizzle2_const(glm::f16vec3)
-	static_swizzle2_const(glm::f16vec4)
-	static_swizzle2_const(glm::f32vec2)
-	static_swizzle2_const(glm::f32vec3)
-	static_swizzle2_const(glm::f32vec4)
-	static_swizzle2_const(glm::f64vec2)
-	static_swizzle2_const(glm::f64vec3)
-	static_swizzle2_const(glm::f64vec4)
 
+
+	static_swizzle2_const(glm::f16vec2, 2)
+	static_swizzle2_const(glm::f16vec3, 3)
+	static_swizzle2_const(glm::f16vec4, 4)
+	static_swizzle2_const(glm::f32vec2, 2)
+	static_swizzle2_const(glm::f32vec3, 3)
+	static_swizzle2_const(glm::f32vec4, 4)
+	static_swizzle2_const(glm::f64vec2, 2)
+	static_swizzle2_const(glm::f64vec3, 3)
+	static_swizzle2_const(glm::f64vec4, 4)
+/*
 	static_swizzle2_const(glm::i8vec2)
 	static_swizzle2_const(glm::i8vec3)
 	static_swizzle2_const(glm::i8vec4)
@@ -339,7 +341,7 @@ namespace swizzle ///< GLM_GTC_swizzle extension
 	static_swizzle4_ref(glm::u16vec4)
 	static_swizzle4_ref(glm::u32vec4)
 	static_swizzle4_ref(glm::u64vec4)
-
+*/
 }//namespace swizzle
 }//namespace gtc
 }//namespace glm
diff --git a/glm/gtx/simd_vec4.inl b/glm/gtx/simd_vec4.inl
index b6fb0fd8..d7b1863a 100644
--- a/glm/gtx/simd_vec4.inl
+++ b/glm/gtx/simd_vec4.inl
@@ -314,6 +314,8 @@ namespace glm
 			detail::fvec4SIMD const & x
 		)
 		{
+            //return x < 0 ? -floor(-x) : floor(x);
+
 			__m128 Flr0 = detail::sse_flr_ps(_mm_sub_ps(_mm_setzero_ps(), x.Data));
 			__m128 Sub0 = _mm_sub_ps(Flr0, x.Data);
 			__m128 Flr1 = detail::sse_flr_ps(x.Data);
@@ -321,7 +323,7 @@ namespace glm
 			__m128 Cmp0 = _mm_cmplt_ps(x.Data, glm::detail::zero);
 			__m128 Cmp1 = _mm_cmpnlt_ps(x.Data, glm::detail::zero);
 
-			__m128 And0 = _mm_and_ps(Flr0, Cmp0);
+			__m128 And0 = _mm_and_ps(Sub0, Cmp0);
 			__m128 And1 = _mm_and_ps(Flr1, Cmp1);
 
 			return _mm_or_ps(And0, And1);