summaryrefslogtreecommitdiff
path: root/sysdeps/ia64
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/ia64')
-rw-r--r--sysdeps/ia64/fpu/feholdexcpt.c18
-rw-r--r--sysdeps/ia64/fpu/fesetround.c6
-rw-r--r--sysdeps/ia64/fpu/feupdateenv.c8
3 files changed, 19 insertions, 13 deletions
diff --git a/sysdeps/ia64/fpu/feholdexcpt.c b/sysdeps/ia64/fpu/feholdexcpt.c
index 27c9a1109e..e50fbfada5 100644
--- a/sysdeps/ia64/fpu/feholdexcpt.c
+++ b/sysdeps/ia64/fpu/feholdexcpt.c
@@ -1,5 +1,5 @@
/* Store current floating-point environment and clear exceptions.
- Copyright (C) 1997, 1999, 2000, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1999, 2000, 2005, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999
@@ -23,12 +23,20 @@
int
feholdexcept (fenv_t *envp)
{
+ fenv_t fpsr;
/* Save the current state. */
- fegetenv (envp);
+ __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
+ *envp = fpsr;
- /* set the trap disable bit */
- __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (*envp | FE_ALL_EXCEPT));
+ /* Set the trap disable bits. */
+ fpsr |= FE_ALL_EXCEPT;
- return 1;
+ /* And clear the exception bits. */
+ fpsr &= ~(fenv_t) (FE_ALL_EXCEPT << 13);
+
+ __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (fpsr));
+
+ /* Success. */
+ return 0;
}
libm_hidden_def (feholdexcept)
diff --git a/sysdeps/ia64/fpu/fesetround.c b/sysdeps/ia64/fpu/fesetround.c
index 351bcc2f10..13801c848b 100644
--- a/sysdeps/ia64/fpu/fesetround.c
+++ b/sysdeps/ia64/fpu/fesetround.c
@@ -1,5 +1,5 @@
/* Set current rounding direction.
- Copyright (C) 1999, 2000, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2000, 2005, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999.
@@ -26,7 +26,7 @@ fesetround (int round)
fenv_t fpsr;
if (round & ~3)
- return 0;
+ return 1;
/* Get the current state. */
__asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
@@ -37,6 +37,6 @@ fesetround (int round)
/* Put the new state in effect. */
__asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (fpsr) : "memory");
- return 1;
+ return 0;
}
libm_hidden_def (fesetround)
diff --git a/sysdeps/ia64/fpu/feupdateenv.c b/sysdeps/ia64/fpu/feupdateenv.c
index 544c38485d..72f12287fa 100644
--- a/sysdeps/ia64/fpu/feupdateenv.c
+++ b/sysdeps/ia64/fpu/feupdateenv.c
@@ -1,5 +1,5 @@
/* Install given floating-point environment and raise exceptions.
- Copyright (C) 1997, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1997, 2000, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999.
@@ -32,10 +32,8 @@ feupdateenv (const fenv_t *envp)
/* Install new environment. */
fesetenv (envp);
- /* Raise the safed exception. Incidently for us the implementation
- defined format of the values in objects of type fexcept_t is the
- same as the ones specified using the FE_* constants. */
- feraiseexcept ((int) fpsr & FE_ALL_EXCEPT);
+ /* Raise the saved exceptions. */
+ feraiseexcept ((int) (fpsr >> 13) & FE_ALL_EXCEPT);
/* Success. */
return 0;