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-rw-r--r--testsuite/libffi.call/float3.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/testsuite/libffi.call/float3.c b/testsuite/libffi.call/float3.c
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+++ b/testsuite/libffi.call/float3.c
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+/* Area: ffi_call
+ Purpose: Check float arguments with different orders.
+ Limitations: none.
+ PR: none.
+ Originator: From the original ffitest.c */
+
+/* { dg-do run } */
+
+#include "ffitest.h"
+#include "float.h"
+
+static double floating_1(float a, double b, long double c)
+{
+ return (double) a + b + (double) c;
+}
+
+static double floating_2(long double a, double b, float c)
+{
+ return (double) a + b + (double) c;
+}
+
+int main (void)
+{
+ ffi_cif cif;
+ ffi_type *args[MAX_ARGS];
+ void *values[MAX_ARGS];
+ double rd;
+
+ float f;
+ double d;
+ long double ld;
+
+ args[0] = &ffi_type_float;
+ values[0] = &f;
+ args[1] = &ffi_type_double;
+ values[1] = &d;
+ args[2] = &ffi_type_longdouble;
+ values[2] = &ld;
+
+ /* Initialize the cif */
+ CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3,
+ &ffi_type_double, args) == FFI_OK);
+
+ f = 3.14159;
+ d = (double)1.0/(double)3.0;
+ ld = 2.71828182846L;
+
+ floating_1 (f, d, ld);
+
+ ffi_call(&cif, FFI_FN(floating_1), &rd, values);
+
+ CHECK(rd - floating_1(f, d, ld) < DBL_EPSILON);
+
+ args[0] = &ffi_type_longdouble;
+ values[0] = &ld;
+ args[1] = &ffi_type_double;
+ values[1] = &d;
+ args[2] = &ffi_type_float;
+ values[2] = &f;
+
+ /* Initialize the cif */
+ CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3,
+ &ffi_type_double, args) == FFI_OK);
+
+ floating_2 (ld, d, f);
+
+ ffi_call(&cif, FFI_FN(floating_2), &rd, values);
+
+ CHECK(rd - floating_2(ld, d, f) < DBL_EPSILON);
+
+ exit (0);
+}