Check for immintrin.h before using it in SDL_cpuinfo.h

CMakeLists.txt

@@ -580,6 +580,8 @@ if(ASSEMBLY)
       endif()
     endif()
 
+    check_include_file("immintrin.h" HAVE_IMMINTRIN_H)
+
     if(ALTIVEC)
       set(CMAKE_REQUIRED_FLAGS "-maltivec")
       check_c_source_compiles("

configure

@@ -17396,6 +17396,20 @@ $as_echo "$have_gcc_sse3" >&6; }
         fi
     fi
 
+    ac_fn_c_check_header_mongrel "$LINENO" "immintrin.h" "ac_cv_header_immintrin_h" "$ac_includes_default"
+if test "x$ac_cv_header_immintrin_h" = xyes; then :
+  have_immintrin_h_hdr=yes
+else
+  have_immintrin_h_hdr=no
+fi
+
+
+    if test x$have_immintrin_h_hdr = xyes; then
+
+$as_echo "#define HAVE_IMMINTRIN_H 1" >>confdefs.h
+
+    fi
+
     # Check whether --enable-altivec was given.
 if test "${enable_altivec+set}" = set; then :
   enableval=$enable_altivec;

configure.in

@@ -670,6 +670,13 @@ AC_HELP_STRING([--enable-sse3], [use SSE3 assembly routines [[default=maybe]]]),
         fi
     fi
 
+    AC_CHECK_HEADER(immintrin.h,
+                    have_immintrin_h_hdr=yes,
+                    have_immintrin_h_hdr=no)
+    if test x$have_immintrin_h_hdr = xyes; then
+        AC_DEFINE(HAVE_IMMINTRIN_H, 1, [ ])
+    fi
+
     AC_ARG_ENABLE(altivec,
 AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]]]),
                   , enable_altivec=yes)

include/SDL_config.h.cmake

@@ -191,11 +191,12 @@
 #endif /* HAVE_LIBC */
 
 #cmakedefine HAVE_ALTIVEC_H 1
-#cmakedefine HAVE_LIBUDEV_H 1
 #cmakedefine HAVE_DBUS_DBUS_H 1
-#cmakedefine HAVE_IBUS_IBUS_H 1
 #cmakedefine HAVE_FCITX_FRONTEND_H 1
+#cmakedefine HAVE_IBUS_IBUS_H 1
+#cmakedefine HAVE_IMMINTRIN_H 1
 #cmakedefine HAVE_LIBSAMPLERATE_H 1
+#cmakedefine HAVE_LIBUDEV_H 1
 
 #cmakedefine HAVE_D3D_H @HAVE_D3D_H@
 #cmakedefine HAVE_D3D11_H @HAVE_D3D11_H@

include/SDL_config.h.in

@@ -193,11 +193,12 @@
 #endif /* HAVE_LIBC */
 
 #undef HAVE_ALTIVEC_H
-#undef HAVE_LIBUDEV_H
 #undef HAVE_DBUS_DBUS_H
-#undef HAVE_IBUS_IBUS_H
 #undef HAVE_FCITX_FRONTEND_H
+#undef HAVE_IBUS_IBUS_H
+#undef HAVE_IMMINTRIN_H
 #undef HAVE_LIBSAMPLERATE_H
+#undef HAVE_LIBUDEV_H
 
 #undef HAVE_DDRAW_H
 #undef HAVE_DINPUT_H

include/SDL_cpuinfo.h

@@ -59,10 +59,26 @@
 #ifdef __3dNOW__
 #include <mm3dnow.h>
 #endif
-#if defined(__i386__) || defined(__x86_64__)
+#if HAVE_IMMINTRIN_H
 #include <immintrin.h>
+#else
+#ifdef __MMX__
+#include <mmintrin.h>
 #endif
+#ifdef __3dNOW__
+#include <mm3dnow.h>
 #endif
+#ifdef __SSE__
+#include <xmmintrin.h>
+#endif
+#ifdef __SSE2__
+#include <emmintrin.h>
+#endif
+#ifdef __SSE3__
+#include <pmmintrin.h>
+#endif
+#endif /* HAVE_IMMINTRIN_H */
+#endif /* compiler version */
 
 #include "begin_code.h"
 /* Set up for C function definitions, even when using C++ */