diff options
Diffstat (limited to 'sysdeps/mips/fpu/fclrexcpt.c')
| -rw-r--r-- | sysdeps/mips/fpu/fclrexcpt.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/sysdeps/mips/fpu/fclrexcpt.c b/sysdeps/mips/fpu/fclrexcpt.c index 9fb2d7e803..2c35047a8c 100644 --- a/sysdeps/mips/fpu/fclrexcpt.c +++ b/sysdeps/mips/fpu/fclrexcpt.c @@ -1,5 +1,5 @@ /* Clear given exceptions in current floating-point environment. - Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc. + Copyright (C) 1998, 1999, 2000, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Andreas Jaeger <aj@suse.de>, 1998. @@ -19,6 +19,7 @@ 02111-1307 USA. */ #include <fenv.h> +#include <fenv_libc.h> #include <fpu_control.h> #include <shlib-compat.h> @@ -33,8 +34,11 @@ __feclearexcept (int excepts) /* Read the complete control word. */ _FPU_GETCW (cw); - /* Clear exception bits. */ - cw &= ~excepts; + /* Clear exception flag bits and cause bits. If the cause bit is not + cleared, the next CTC instruction (just below) will re-generate + the exception. */ + + cw &= ~(excepts | (excepts << CAUSE_SHIFT)); /* Put the new data in effect. */ _FPU_SETCW (cw); @@ -42,6 +46,7 @@ __feclearexcept (int excepts) /* Success. */ return 0; } + #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) strong_alias (__feclearexcept, __old_feclearexcept) compat_symbol (libm, __old_feclearexcept, feclearexcept, GLIBC_2_1); |