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author | Vinay Sajip <vinay_sajip@yahoo.co.uk> | 2017-02-02 19:17:51 +0000 |
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committer | Vinay Sajip <vinay_sajip@yahoo.co.uk> | 2017-02-02 19:17:51 +0000 |
commit | b8cf82474245d48753ae34b76a272d5120895add (patch) | |
tree | 8bec37e99a342ac40fc8a0619897feaad7615061 /Modules/_ctypes/libffi/testsuite/libffi.call/float4.c | |
parent | 474ecf16ed434144efc0e1de383efda76f011e3f (diff) | |
parent | 14593e19e199dd34f268b35987ddb288bf022039 (diff) | |
download | cpython-b8cf82474245d48753ae34b76a272d5120895add.tar.gz |
Closes #24875: Merged fix from 3.6.
Diffstat (limited to 'Modules/_ctypes/libffi/testsuite/libffi.call/float4.c')
-rw-r--r-- | Modules/_ctypes/libffi/testsuite/libffi.call/float4.c | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/Modules/_ctypes/libffi/testsuite/libffi.call/float4.c b/Modules/_ctypes/libffi/testsuite/libffi.call/float4.c deleted file mode 100644 index 0dd6d85e7a..0000000000 --- a/Modules/_ctypes/libffi/testsuite/libffi.call/float4.c +++ /dev/null @@ -1,62 +0,0 @@ -/* Area: ffi_call - Purpose: Check denorm double value. - Limitations: none. - PR: PR26483. - Originator: From the original ffitest.c */ - -/* { dg-do run } */ -/* { dg-options "-mieee" { target alpha*-*-* } } */ - -#include "ffitest.h" -#include "float.h" - -typedef union -{ - double d; - unsigned char c[sizeof (double)]; -} value_type; - -#define CANARY 0xba - -static double dblit(double d) -{ - return d; -} - -int main (void) -{ - ffi_cif cif; - ffi_type *args[MAX_ARGS]; - void *values[MAX_ARGS]; - double d; - value_type result[2]; - unsigned int i; - - args[0] = &ffi_type_double; - values[0] = &d; - - /* Initialize the cif */ - CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, - &ffi_type_double, args) == FFI_OK); - - d = DBL_MIN / 2; - - /* Put a canary in the return array. This is a regression test for - a buffer overrun. */ - memset(result[1].c, CANARY, sizeof (double)); - - ffi_call(&cif, FFI_FN(dblit), &result[0].d, values); - - /* The standard delta check doesn't work for denorms. Since we didn't do - any arithmetic, we should get the original result back, and hence an - exact check should be OK here. */ - - CHECK(result[0].d == dblit(d)); - - /* Check the canary. */ - for (i = 0; i < sizeof (double); ++i) - CHECK(result[1].c[i] == CANARY); - - exit(0); - -} |