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| author | Dave Korn <dave.korn.cygwin@gmail.com> | 2010-09-11 06:53:28 +0000 |
|---|---|---|
| committer | Dave Korn <dave.korn.cygwin@gmail.com> | 2010-09-11 06:53:28 +0000 |
| commit | 0f81b5d4bcaa5c840031796d94df9ba6d6fae4d0 (patch) | |
| tree | 167292d4f6250ddb23f2abfe2660049054117f91 /winsup/cygwin/autoload.cc | |
| parent | f7dea7f23347d847b6abd3d8b5f7e1b00f21262f (diff) | |
| download | cygnal-0f81b5d4bcaa5c840031796d94df9ba6d6fae4d0.tar.gz cygnal-0f81b5d4bcaa5c840031796d94df9ba6d6fae4d0.tar.bz2 cygnal-0f81b5d4bcaa5c840031796d94df9ba6d6fae4d0.zip | |
winsup/cygwin/ChangeLog:
* Makefile.in (DLL_OFILES): Add new fenv.o module.
(fenv_CFLAGS): New flags definition for fenv.o compile.
* autoload.cc (std_dll_init): Use fenv.h functions instead of direct
manipulation of x87 FPU registers.
* crt0.c (mainCRTStartup): Likewise.
* cygwin.din (feclearexcept, fegetexceptflag, feraiseexcept,
fesetexceptflag, fetestexcept, fegetround, fesetround, fegetenv,
feholdexcept, fesetenv, feupdateenv, fegetprec, fesetprec,
feenableexcept, fedisableexcept, fegetexcept, _feinitialise,
_fe_dfl_env, _fe_nomask_env): Export new functions and data items.
* fenv.cc: New file.
* posix.sgml: Update status of newly-implemented APIs.
* include/fenv.h: Likewise related header.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
Diffstat (limited to 'winsup/cygwin/autoload.cc')
| -rw-r--r-- | winsup/cygwin/autoload.cc | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/winsup/cygwin/autoload.cc b/winsup/cygwin/autoload.cc index 07272af53..5054f6808 100644 --- a/winsup/cygwin/autoload.cc +++ b/winsup/cygwin/autoload.cc @@ -11,6 +11,7 @@ details. */ #include "winsup.h" #include "miscfuncs.h" +#include "fenv.h" #define USE_SYS_TYPES_FD_SET #include <winsock2.h> @@ -222,13 +223,13 @@ std_dll_init () while (InterlockedIncrement (&dll->here)); else if (!dll->handle) { - unsigned fpu_control = 0; - __asm__ __volatile__ ("fnstcw %0": "=m" (fpu_control)); + fenv_t fpuenv; + fegetenv (&fpuenv); /* http://www.microsoft.com/technet/security/advisory/2269637.mspx */ wcpcpy (wcpcpy (dll_path, windows_system_directory), dll->name); if ((h = LoadLibraryW (dll_path)) != NULL) { - __asm__ __volatile__ ("fldcw %0": : "m" (fpu_control)); + fesetenv (&fpuenv); dll->handle = h; } else if (!(func->decoration & 1)) |