Add support for SSE 4.2.

modules/d/actions/vcxproj.lua

@@ -492,6 +492,7 @@
 					SSE3 = "sse3",
 					SSSE3 = "ssse3",
 					["SSE4.1"] = "sse4.1",
+					["SSE4.2"] = "sse4.2",
 				}
 				if vextMap[cfg.vectorextensions] ~= nil then
 					table.insert(opts, "-mattr=+" .. vextMap[cfg.vectorextensions])

modules/d/tools/ldc.lua

@@ -116,6 +116,7 @@
 			SSE3 = "-mattr=+sse3",
 			SSSE3 = "-mattr=+ssse3",
 			["SSE4.1"] = "-mattr=+sse4.1",
+			["SSE4.2"] = "-mattr=+sse4.2",
 		},
 		warnings = {
 			Default = "-wi",

modules/vstudio/vs2010_vcxproj.lua

@@ -1788,7 +1788,7 @@
 		elseif x == "AVX2" and _ACTION > "vs2012" then
 			v = "AdvancedVectorExtensions2"
 		elseif cfg.architecture ~= "x86_64" then
-			if x == "SSE2" or x == "SSE3" or x == "SSSE3" or x == "SSE4.1" then
+			if x == "SSE2" or x == "SSE3" or x == "SSSE3" or x == "SSE4.1" or x == "SSE4.2" then
 				v = "StreamingSIMDExtensions2"
 			elseif x == "SSE" then
 				v = "StreamingSIMDExtensions"

src/_premake_init.lua

@@ -1316,6 +1316,7 @@
 			"SSE3",
 			"SSSE3",
 			"SSE4.1",
+			"SSE4.2",
 		}
 	}
 

src/tools/gcc.lua

@@ -86,6 +86,7 @@
 			SSE3 = "-msse3",
 			SSSE3 = "-mssse3",
 			["SSE4.1"] = "-msse4.1",
+			["SSE4.2"] = "-msse4.2",
 		},
 		isaextensions = {
 			MOVBE = "-mmovbe",

src/tools/msc.lua

@@ -88,6 +88,7 @@
 			SSE3 = "/arch:SSE2",
 			SSSE3 = "/arch:SSE2",
 			["SSE4.1"] = "/arch:SSE2",
+			["SSE4.2"] = "/arch:SSE2",
 		},
 		warnings = {
 			Off = "/W0",

tests/tools/test_gcc.lua

@@ -136,6 +136,12 @@
 		test.contains({ "-msse2" }, gcc.getcflags(cfg))
 	end
 
+	function suite.cflags_onSSE4_2()
+		vectorextensions "SSE4.2"
+		prepare()
+		test.contains({ "-msse4.2" }, gcc.getcflags(cfg))
+	end
+
 	function suite.cflags_onAVX()
 		vectorextensions "AVX"
 		prepare()

tests/tools/test_msc.lua

@@ -307,6 +307,13 @@
 		test.contains("/arch:SSE2", msc.getcflags(cfg))
 	end
 
+	function suite.cflags_onSSE4_2()
+		vectorextensions "SSE4.2"
+		prepare()
+		test.contains("/arch:SSE2", msc.getcflags(cfg))
+	end
+
+
 	function suite.cflags_onAVX()
 		vectorextensions "AVX"
 		prepare()

website/docs/vectorextensions.md

@@ -21,6 +21,7 @@ If no value is set for a configuration, the toolset's default vector extension s
 | SSE3        | Use the SSE3 instruction set.                          |
 | SSSE3       | Use the SSSE3 instruction set.                         |
 | SSE4.1      | Use the SSE4.1 instruction set.                        |
+| SSE4.2      | Use the SSE4.2 instruction set.                        |
 | NEON        | Use the NEON instruction set (Android only)            |
 | MXU         | Use the XBurst SIMD instructions (Android only)        |