diff options
Diffstat (limited to 'sysdeps/x86_64/fpu/fesetenv.c')
| -rw-r--r-- | sysdeps/x86_64/fpu/fesetenv.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/sysdeps/x86_64/fpu/fesetenv.c b/sysdeps/x86_64/fpu/fesetenv.c index 68e0046955..8a3b7a0744 100644 --- a/sysdeps/x86_64/fpu/fesetenv.c +++ b/sysdeps/x86_64/fpu/fesetenv.c @@ -1,5 +1,5 @@ /* Install given floating-point environment. - Copyright (C) 2001, 2002 Free Software Foundation, Inc. + Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -45,10 +45,9 @@ fesetenv (const fenv_t *envp) temp.__data_selector = 0; /* Set mask for SSE MXCSR. */ temp.__mxcsr |= (FE_ALL_EXCEPT << 7); - /* Set rounding to FE_TOWARDZERO. */ - temp.__mxcsr &= ~(FE_TOWARDZERO << 3); - /* Disable exceptions. */ - temp.__mxcsr &= ~FE_ALL_EXCEPT; + /* Set rounding to FE_TONEAREST. */ + temp.__mxcsr &= ~ 0x6000; + temp.__mxcsr |= (FE_TONEAREST << 3); } else if (envp == FE_NOMASK_ENV) { @@ -60,11 +59,11 @@ fesetenv (const fenv_t *envp) temp.__data_offset = 0; temp.__data_selector = 0; /* Set mask for SSE MXCSR. */ + /* Set rounding to FE_TONEAREST. */ + temp.__mxcsr &= ~ 0x6000; + temp.__mxcsr |= (FE_TONEAREST << 3); + /* Do not mask exceptions. */ temp.__mxcsr &= ~(FE_ALL_EXCEPT << 7); - /* Set rounding to FE_TOWARDZERO. */ - temp.__mxcsr &= ~(FE_TOWARDZERO << 3); - /* Disable exceptions. */ - temp.__mxcsr &= ~FE_ALL_EXCEPT; } else { |