[psimd] Add package (#2304)

packages/p/psimd/xmake.lua

@@ -0,0 +1,21 @@
+package("psimd")
+    set_kind("library", {headeronly = true})
+    set_homepage("https://github.com/Maratyszcza/psimd")
+    set_description("Portable 128-bit SIMD intrinsics")
+    set_license("MIT")
+
+    add_urls("https://github.com/Maratyszcza/psimd.git")
+    add_versions("2020.5.17", "072586a71b55b7f8c584153d223e95687148a900")
+
+    on_install("linux", "macosx", function(package)
+        os.cp("include", package:installdir())
+    end)
+
+    on_test(function(package)
+        assert(package:check_csnippets({test = [[
+            void test() {
+                const psimd_f32 log2e = psimd_splat_f32(0x1.715476p+0f);
+                const psimd_f32 inf = psimd_splat_f32(__builtin_inff());
+            }
+        ]]}, {configs = {languages = "c11"}, includes = "psimd.h"}))
+    end)