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author | Jing Yu <jingyu@google.com> | 2011-12-19 16:56:54 -0800 |
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committer | Jing Yu <jingyu@google.com> | 2011-12-19 16:56:54 -0800 |
commit | 40d7cd0fd78fe2004e2a53c4618c148339b02733 (patch) | |
tree | 5874557a6c86a1f564a03e5f28b266e31bc3759c /gcc-4.6/libffi/testsuite/libffi.call/float2.c | |
parent | fe2afdf3f3701489c05d2a7509752d6f0c7616f7 (diff) | |
download | toolchain_gcc-40d7cd0fd78fe2004e2a53c4618c148339b02733.tar.gz toolchain_gcc-40d7cd0fd78fe2004e2a53c4618c148339b02733.tar.bz2 toolchain_gcc-40d7cd0fd78fe2004e2a53c4618c148339b02733.zip |
Add gcc-4.6. Synced to @180989
Change-Id: Ie3676586e1d8e3c8cd9f07d022f450d05fa08439
svn://gcc.gnu.org/svn/gcc/branches/google/gcc-4_6-mobile
Diffstat (limited to 'gcc-4.6/libffi/testsuite/libffi.call/float2.c')
-rw-r--r-- | gcc-4.6/libffi/testsuite/libffi.call/float2.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/gcc-4.6/libffi/testsuite/libffi.call/float2.c b/gcc-4.6/libffi/testsuite/libffi.call/float2.c new file mode 100644 index 000000000..a0b296cf4 --- /dev/null +++ b/gcc-4.6/libffi/testsuite/libffi.call/float2.c @@ -0,0 +1,58 @@ +/* Area: ffi_call + Purpose: Check return value long double. + Limitations: none. + PR: none. + Originator: From the original ffitest.c */ + +/* { dg-excess-errors "fails" { target x86_64-*-mingw* x86_64-*-cygwin* } } */ +/* { dg-do run { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */ + +#include "ffitest.h" +#include "float.h" + +static long double ldblit(float f) +{ + return (long double) (((long double) f)/ (long double) 3.0); +} + +int main (void) +{ + ffi_cif cif; + ffi_type *args[MAX_ARGS]; + void *values[MAX_ARGS]; + float f; + long double ld; + + args[0] = &ffi_type_float; + values[0] = &f; + + /* Initialize the cif */ + CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, + &ffi_type_longdouble, args) == FFI_OK); + + f = 3.14159; + +#if 1 + /* This is ifdef'd out for now. long double support under SunOS/gcc + is pretty much non-existent. You'll get the odd bus error in library + routines like printf(). */ + printf ("%Lf\n", ldblit(f)); +#endif + ld = 666; + ffi_call(&cif, FFI_FN(ldblit), &ld, values); + +#if 1 + /* This is ifdef'd out for now. long double support under SunOS/gcc + is pretty much non-existent. You'll get the odd bus error in library + routines like printf(). */ + printf ("%Lf, %Lf, %Lf, %Lf\n", ld, ldblit(f), ld - ldblit(f), LDBL_EPSILON); +#endif + + /* These are not always the same!! Check for a reasonable delta */ + if (ld - ldblit(f) < LDBL_EPSILON) + puts("long double return value tests ok!"); + else + CHECK(0); + + exit(0); +} |