* sysdeps/x86_64/fpu/fesetenv.c (fesetenv): Fix setting of default
mode. * sysdeps/x86_64/fpu/fsetexcptflg.c (fesetexceptflag): Do not clear whole mxcsr but only exceptions.
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@ -1,5 +1,5 @@
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/* Install given floating-point environment.
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Copyright (C) 2001, 2002 Free Software Foundation, Inc.
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Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -45,10 +45,9 @@ fesetenv (const fenv_t *envp)
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temp.__data_selector = 0;
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/* Set mask for SSE MXCSR. */
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temp.__mxcsr |= (FE_ALL_EXCEPT << 7);
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/* Set rounding to FE_TOWARDZERO. */
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temp.__mxcsr &= ~(FE_TOWARDZERO << 3);
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/* Disable exceptions. */
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temp.__mxcsr &= ~FE_ALL_EXCEPT;
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/* Set rounding to FE_TONEAREST. */
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temp.__mxcsr &= ~ 0x6000;
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temp.__mxcsr |= (FE_TONEAREST << 3);
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}
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else if (envp == FE_NOMASK_ENV)
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{
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@ -60,11 +59,11 @@ fesetenv (const fenv_t *envp)
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temp.__data_offset = 0;
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temp.__data_selector = 0;
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/* Set mask for SSE MXCSR. */
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/* Set rounding to FE_TONEAREST. */
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temp.__mxcsr &= ~ 0x6000;
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temp.__mxcsr |= (FE_TONEAREST << 3);
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/* Do not mask exceptions. */
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temp.__mxcsr &= ~(FE_ALL_EXCEPT << 7);
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/* Set rounding to FE_TOWARDZERO. */
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temp.__mxcsr &= ~(FE_TOWARDZERO << 3);
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/* Disable exceptions. */
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temp.__mxcsr &= ~FE_ALL_EXCEPT;
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}
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else
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{
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@ -1,5 +1,5 @@
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/* Set floating-point environment exception handling.
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Copyright (C) 2001 Free Software Foundation, Inc.
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Copyright (C) 2001, 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -44,7 +44,7 @@ fesetexceptflag (const fexcept_t *flagp, int excepts)
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/* And now the same for SSE. */
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__asm__ ("stmxcsr %0" : "=m" (*&mxcsr));
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mxcsr &= (excepts & FE_ALL_EXCEPT);
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mxcsr &= ~(excepts & FE_ALL_EXCEPT);
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mxcsr |= *flagp & excepts & FE_ALL_EXCEPT;
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__asm__ ("ldmxcsr %0" : : "m" (*&mxcsr));
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