diff options
author | Mikhail Borisov <borisov.mikhail@gmail.com> | 2022-02-10 16:45:39 +0300 |
---|---|---|
committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:45:39 +0300 |
commit | a6a92afe03e02795227d2641b49819b687f088f8 (patch) | |
tree | f6984a1d27d5a7ec88a6fdd6e20cd5b7693b6ece /contrib/restricted/libffi/testsuite/libffi.call/float4.c | |
parent | c6dc8b8bd530985bc4cce0137e9a5de32f1087cb (diff) | |
download | ydb-a6a92afe03e02795227d2641b49819b687f088f8.tar.gz |
Restoring authorship annotation for Mikhail Borisov <borisov.mikhail@gmail.com>. Commit 1 of 2.
Diffstat (limited to 'contrib/restricted/libffi/testsuite/libffi.call/float4.c')
-rw-r--r-- | contrib/restricted/libffi/testsuite/libffi.call/float4.c | 122 |
1 files changed, 61 insertions, 61 deletions
diff --git a/contrib/restricted/libffi/testsuite/libffi.call/float4.c b/contrib/restricted/libffi/testsuite/libffi.call/float4.c index 0dd6d85e7a..00973ad6de 100644 --- a/contrib/restricted/libffi/testsuite/libffi.call/float4.c +++ b/contrib/restricted/libffi/testsuite/libffi.call/float4.c @@ -1,62 +1,62 @@ -/* 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); +/* 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. */ - /* 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); - -} + CHECK(result[0].d == dblit(d)); + + /* Check the canary. */ + for (i = 0; i < sizeof (double); ++i) + CHECK(result[1].c[i] == CANARY); + + exit(0); + +} |