Implement AVX2 flags for GCC and MSC

src/_premake_init.lua

@@ -864,6 +864,7 @@
 		allowed = {
 			"Default",
 			"AVX",
+			"AVX2",
 			"SSE",
 			"SSE2",
 		}

src/tools/gcc.lua

@@ -69,6 +69,7 @@
 		},
 		vectorextensions = {
 			AVX = "-mavx",
+			AVX2 = "-mavx2",
 			SSE = "-msse",
 			SSE2 = "-msse2",
 		},

src/tools/msc.lua

@@ -54,8 +54,9 @@
 		},
 		vectorextensions = {
 			AVX = "/arch:AVX",
-			SSE = "/arch:sse",
-			SSE2 = "/arch:sse2",
+			AVX2 = "/arch:AVX2",
+			SSE = "/arch:SSE",
+			SSE2 = "/arch:SSE2",
 		},
 		warnings = {
 			Extra = "/W4",

tests/tools/test_gcc.lua

@@ -123,6 +123,18 @@
 		test.contains({ "-msse2" }, gcc.getcflags(cfg))
 	end
 
+	function suite.cflags_onAVX()
+		vectorextensions "AVX"
+		prepare()
+		test.contains({ "-mavx" }, gcc.getcflags(cfg))
+	end
+
+	function suite.cflags_onAVX()
+		vectorextensions "AVX2"
+		prepare()
+		test.contains({ "-mavx2" }, gcc.getcflags(cfg))
+	end
+
 
 --
 -- Check the defines and undefines.

tests/tools/test_msc.lua

@@ -167,13 +167,25 @@
 	function suite.cflags_onSSE()
 		vectorextensions "SSE"
 		prepare()
-		test.contains("/arch:sse", msc.getcflags(cfg))
+		test.contains("/arch:SSE", msc.getcflags(cfg))
 	end
 
 	function suite.cflags_onSSE2()
 		vectorextensions "SSE2"
 		prepare()
-		test.contains("/arch:sse2", msc.getcflags(cfg))
+		test.contains("/arch:SSE2", msc.getcflags(cfg))
+	end
+
+	function suite.cflags_onAVX()
+		vectorextensions "AVX"
+		prepare()
+		test.contains("/arch:AVX", msc.getcflags(cfg))
+	end
+
+	function suite.cflags_onAVX2()
+		vectorextensions "AVX2"
+		prepare()
+		test.contains("/arch:AVX2", msc.getcflags(cfg))
 	end