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Re: [patch][sh] FP exception control.
On 12/05/10 10:17, Andrew Stubbs wrote:
Ok, fixed and attached.
Apparently I was only half right. Now attached.
Andrew
2010-05-12 Andrew Stubbs <ams@codesourcery.com>
* sysdeps/sh/sh4/fpu/feholdexcpt.c (feholdexcept): Really disable all
exceptions. Return 0.
---
.../sysdeps/sh/sh4/fpu/feholdexcpt.c | 12 +++++++++---
1 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/src/glibc-mainline/sysdeps/sh/sh4/fpu/feholdexcpt.c b/src/glibc-mainline/sysdeps/sh/sh4/fpu/feholdexcpt.c
index 7aac5a0..87d6420 100644
--- a/src/glibc-mainline/sysdeps/sh/sh4/fpu/feholdexcpt.c
+++ b/src/glibc-mainline/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)