Rebase from GCC

testsuite/libffi.call/fastthis3_win32.c

@@ -0,0 +1,56 @@
+/* Area:	ffi_call
+   Purpose:	Check fastcall f call on X86_WIN32 systems.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run { target i?86-*-cygwin* i?86-*-mingw* } } */
+
+#include "ffitest.h"
+
+static size_t __attribute__((fastcall)) my_fastcall_f(float a, char *s, int i)
+{
+  return (size_t) ((int) strlen(s) + (int) a + i);
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  ffi_arg rint;
+  char *s;
+  int v1;
+  float v2;
+  args[2] = &ffi_type_sint;
+  args[1] = &ffi_type_pointer;
+  args[0] = &ffi_type_float;
+  values[2] = (void*) &v1;
+  values[1] = (void*) &s;
+  values[0] = (void*) &v2;
+  
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_FASTCALL, 3,
+		       &ffi_type_sint, args) == FFI_OK);
+  
+  s = "a";
+  v1 = 1;
+  v2 = 0.0;
+  ffi_call(&cif, FFI_FN(my_fastcall_f), &rint, values);
+  CHECK(rint == 2);
+  
+  s = "1234567";
+  v2 = -1.0;
+  v1 = -2;
+  ffi_call(&cif, FFI_FN(my_fastcall_f), &rint, values);
+  CHECK(rint == 4);
+  
+  s = "1234567890123456789012345";
+  v2 = 1.0;
+  v1 = 2;
+  ffi_call(&cif, FFI_FN(my_fastcall_f), &rint, values);
+  CHECK(rint == 28);
+  
+  printf("fastcall fct3 tests passed\n");
+  exit(0);
+}