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Diffstat (limited to 'sysdeps/x86_64/fpu/fesetenv.c')
-rw-r--r--sysdeps/x86_64/fpu/fesetenv.c17
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
{