gl-info,vk-info: print compiled and detected CPU features.

I wondered if I should put them into the GL/VK startup log, but
while definitely useful, they don't really have any relation to GPU
drivers. So it's just here for now.

src/Magnum/Platform/gl-info.cpp

@@ -23,6 +23,7 @@
     DEALINGS IN THE SOFTWARE.
 */
 
+#include <Corrade/Cpu.h>
 #include <Corrade/Utility/Arguments.h>
 #include <Corrade/Utility/Debug.h>
 
@@ -154,8 +155,16 @@ are supported.
 Used application: Platform::WindowlessGlxApplication
 Compilation flags:
     CORRADE_BUILD_DEPRECATED
+    CORRADE_BUILD_MULTITHREADED
     CORRADE_TARGET_UNIX
+    CORRADE_TARGET_X86
+    CORRADE_TARGET_GCC
+    CORRADE_TARGET_LIBSTDCXX
     MAGNUM_BUILD_DEPRECATED
+Compiled CPU features:
+    Sse2|Sse3|Ssse3|Sse41|Sse42
+Detected CPU features:
+    Sse2|Sse3|Ssse3|Sse41|Sse42|Avx|Popcnt|AvxF16c
 
 Renderer: AMD Radeon R7 M260 Series by ATI Technologies Inc.
 OpenGL version: 4.5.13399 Compatibility Profile Context 15.201.1151
@@ -319,57 +328,6 @@ MagnumInfo::MagnumInfo(const Arguments& arguments): Platform::WindowlessApplicat
     #ifdef CORRADE_TARGET_DINKUMWARE
     Debug{} << "    CORRADE_TARGET_DINKUMWARE";
     #endif
-    #ifdef CORRADE_TARGET_SSE2
-    {
-        Debug d;
-        d << "    CORRADE_TARGET_SSE2";
-        #ifdef CORRADE_TARGET_SSE3
-        d << Debug::nospace << ",SSE3";
-        #endif
-        #ifdef CORRADE_TARGET_SSSE3
-        d << Debug::nospace << ",SSSE3";
-        #endif
-        #ifdef CORRADE_TARGET_SSE41
-        d << Debug::nospace << ",SSE41";
-        #endif
-        #ifdef CORRADE_TARGET_SSE42
-        d << Debug::nospace << ",SSE42";
-        #endif
-    }
-    #endif
-    #ifdef CORRADE_TARGET_AVX
-    {
-        Debug d;
-        d << "    CORRADE_TARGET_AVX";
-        #ifdef CORRADE_TARGET_AVX_F16C
-        d << Debug::nospace << ",AVX_F16C";
-        #endif
-        #ifdef CORRADE_TARGET_AVX_FMA
-        d << Debug::nospace << ",AVX_FMA";
-        #endif
-        #ifdef CORRADE_TARGET_AVX2
-        d << Debug::nospace << ",AVX2";
-        #endif
-        #ifdef CORRADE_TARGET_AVX512F
-        d << Debug::nospace << ",AVX512F";
-        #endif
-    }
-    #endif
-    #ifdef CORRADE_TARGET_NEON
-    {
-        Debug d;
-        d << "    CORRADE_TARGET_NEON";
-        #ifdef CORRADE_TARGET_NEON_FP16
-        d << Debug::nospace << ",NEON_FP16";
-        #endif
-        #ifdef CORRADE_TARGET_NEON_FMA
-        d << Debug::nospace << ",NEON_FMA";
-        #endif
-    }
-    #endif
-    #ifdef CORRADE_TARGET_SIMD128
-    Debug{} << "    CORRADE_TARGET_SIMD128";
-    #endif
     #ifdef CORRADE_PLUGINMANAGER_NO_DYNAMIC_PLUGIN_SUPPORT
     Debug{} << "    CORRADE_PLUGINMANAGER_NO_DYNAMIC_PLUGIN_SUPPORT";
     #endif
@@ -400,6 +358,12 @@ MagnumInfo::MagnumInfo(const Arguments& arguments): Platform::WindowlessApplicat
     #ifdef MAGNUM_TARGET_HEADLESS
     Debug{} << "    MAGNUM_TARGET_HEADLESS";
     #endif
+    Debug{} << "Compiled CPU features:";
+    Debug{} << "   " << Debug::packed << Cpu::compiledFeatures();
+    #ifdef CORRADE_BUILD_CPU_RUNTIME_DISPATCH
+    Debug{} << "Detected CPU features:";
+    Debug{} << "   " << Debug::packed << Cpu::runtimeFeatures();
+    #endif
     Debug{} << "";
 
     /* Create context here, so the context creation info is displayed at proper

src/Magnum/Vk/vk-info.cpp

@@ -23,6 +23,7 @@
     DEALINGS IN THE SOFTWARE.
 */
 
+#include <Corrade/Cpu.h>
 #include <Corrade/Utility/Arguments.h>
 
 #include "Magnum/Vk/DeviceFeatures.h"
@@ -87,9 +88,11 @@ Compilation flags:
     CORRADE_TARGET_X86
     CORRADE_TARGET_GCC
     CORRADE_TARGET_LIBSTDCXX
-    CORRADE_TARGET_SSE2,SSE3,SSSE3,SSE41,SSE42
-    CORRADE_TARGET_AVX,AVX_F16C,AVX_FMA,AVX2
     MAGNUM_BUILD_DEPRECATED
+Compiled CPU features:
+    Sse2|Sse3|Ssse3|Sse41|Sse42
+Detected CPU features:
+    Sse2|Sse3|Ssse3|Sse41|Sse42|Avx|Avx2|Popcnt|Lzcnt|Bmi1|AvxF16c|AvxFma
 
 Reported instance version: Vulkan 1.2.203
 Reported instance layers:
@@ -231,55 +234,6 @@ int main(int argc, char** argv) {
     #ifdef CORRADE_TARGET_DINKUMWARE
     Debug{} << "    CORRADE_TARGET_DINKUMWARE";
     #endif
-    #ifdef CORRADE_TARGET_SSE2
-    {
-        Debug d;
-        d << "    CORRADE_TARGET_SSE2";
-        #ifdef CORRADE_TARGET_SSE3
-        d << Debug::nospace << ",SSE3";
-        #endif
-        #ifdef CORRADE_TARGET_SSSE3
-        d << Debug::nospace << ",SSSE3";
-        #endif
-        #ifdef CORRADE_TARGET_SSE41
-        d << Debug::nospace << ",SSE41";
-        #endif
-        #ifdef CORRADE_TARGET_SSE42
-        d << Debug::nospace << ",SSE42";
-        #endif
-    }
-    #endif
-    #ifdef CORRADE_TARGET_AVX
-    {
-        Debug d;
-        d << "    CORRADE_TARGET_AVX";
-        #ifdef CORRADE_TARGET_AVX_F16C
-        d << Debug::nospace << ",AVX_F16C";
-        #endif
-        #ifdef CORRADE_TARGET_AVX_FMA
-        d << Debug::nospace << ",AVX_FMA";
-        #endif
-        #ifdef CORRADE_TARGET_AVX2
-        d << Debug::nospace << ",AVX2";
-        #endif
-        #ifdef CORRADE_TARGET_AVX512F
-        d << Debug::nospace << ",AVX512F";
-        #endif
-    }
-    #endif
-    #ifdef CORRADE_TARGET_NEON
-    {
-        Debug d;
-        d << "    CORRADE_TARGET_NEON";
-        #ifdef CORRADE_TARGET_NEON_FP16
-        d << Debug::nospace << ",NEON_FP16";
-        #endif
-        #ifdef CORRADE_TARGET_NEON_FMA
-        d << Debug::nospace << ",NEON_FMA";
-        #endif
-    }
-    #endif
-    /* CORRADE_TARGET_SIMD128 omitted */
     #ifdef CORRADE_PLUGINMANAGER_NO_DYNAMIC_PLUGIN_SUPPORT
     Debug{} << "    CORRADE_PLUGINMANAGER_NO_DYNAMIC_PLUGIN_SUPPORT";
     #endif
@@ -295,6 +249,12 @@ int main(int argc, char** argv) {
     #ifdef MAGNUM_BUILD_STATIC
     Debug{} << "    MAGNUM_BUILD_STATIC";
     #endif
+    Debug{} << "Compiled CPU features:";
+    Debug{} << "   " << Debug::packed << Cpu::compiledFeatures();
+    #ifdef CORRADE_BUILD_CPU_RUNTIME_DISPATCH
+    Debug{} << "Detected CPU features:";
+    Debug{} << "   " << Debug::packed << Cpu::runtimeFeatures();
+    #endif
     Debug{} << "";
 
     const Vk::Version instanceVersion = Vk::enumerateInstanceVersion();