From 6be390f354c24eb6adf7c234f5b0beb4c657a6fd Mon Sep 17 00:00:00 2001 From: Andrew Stubbs Date: Wed, 12 May 2010 10:18:26 -0700 Subject: Fix FP exception control. (cherry picked from commit 21a2b1aeeb9bbf49d76bac632327c19bc937d2d7) --- ChangeLog | 5 +++++ sysdeps/sh/sh4/fpu/feholdexcpt.c | 12 +++++++++--- 2 files changed, 14 insertions(+), 3 deletions(-) diff --git a/ChangeLog b/ChangeLog index 5e6a6b20f8..bb4e4d5dad 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2010-05-12 Andrew Stubbs + + * sysdeps/sh/sh4/fpu/feholdexcpt.c (feholdexcept): Really disable all + exceptions. Return 0. + 2010-05-07 Roland McGrath * elf/ldconfig.c (main): Add a const. diff --git a/sysdeps/sh/sh4/fpu/feholdexcpt.c b/sysdeps/sh/sh4/fpu/feholdexcpt.c index 7aac5a0d39..87d6420891 100644 --- a/sysdeps/sh/sh4/fpu/feholdexcpt.c +++ b/sysdeps/sh/sh4/fpu/feholdexcpt.c @@ -1,5 +1,6 @@ /* Store current floating-point environment and clear exceptions. - Copyright (C) 1997, 1998, 1999, 2000, 2005 Free Software Foundation, Inc. + Copyright (C) 1997, 1998, 1999, 2000, 2005, 2010 + 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 @@ -29,10 +30,15 @@ feholdexcept (fenv_t *envp) _FPU_GETCW (temp); envp->__fpscr = temp; - /* Now set all exceptions to non-stop. */ + /* Clear the status flags. */ temp &= ~FE_ALL_EXCEPT; + + /* Now set all exceptions to non-stop. */ + temp &= ~(FE_ALL_EXCEPT << 5); + _FPU_SETCW (temp); - return 1; + /* Success. */ + return 0; } libm_hidden_def (feholdexcept) -- cgit v1.2.3