* [PATCH] alpha: Define FP_TRAPPING_EXCEPTIONS
@ 2012-06-15 21:28 Richard Henderson
0 siblings, 0 replies; only message in thread
From: Richard Henderson @ 2012-06-15 21:28 UTC (permalink / raw)
To: libc-ports
---
ChangeLog.alpha | 2 ++
sysdeps/alpha/soft-fp/sfp-machine.h | 5 ++++-
2 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/ChangeLog.alpha b/ChangeLog.alpha
index 5ec3634..062b4f2 100644
--- a/ChangeLog.alpha
+++ b/ChangeLog.alpha
@@ -1,5 +1,7 @@
2012-06-15 Richard Henderson <rth@twiddle.net>
+ * sysdeps/alpha/soft-fp/sfp-machine.h (FP_TRAPPING_EXCEPTIONS): New.
+
* sysdeps/alpha/fpu/s_rint.c (__rint): Handle inexact regardless
of -mieee-with-inexact.
* sysdeps/alpha/fpu/s_rintf.c (__rintf): Likewise.
diff --git a/sysdeps/alpha/soft-fp/sfp-machine.h b/sysdeps/alpha/soft-fp/sfp-machine.h
index ef6e957..202f736 100644
--- a/sysdeps/alpha/soft-fp/sfp-machine.h
+++ b/sysdeps/alpha/soft-fp/sfp-machine.h
@@ -1,6 +1,6 @@
/* Machine-dependent software floating-point definitions.
Alpha userland IEEE 128-bit version.
- Copyright (C) 2004 Free Software Foundation, Inc.
+ Copyright (C) 2004-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Richard Henderson (rth@cygnus.com),
Jakub Jelinek (jj@ultra.linux.cz) and
@@ -91,3 +91,6 @@ do { \
__ieee_set_fp_control (t | _fex); \
} \
} while (0)
+
+#define FP_TRAPPING_EXCEPTIONS \
+ ((__ieee_get_fp_control () & SWCR_ENABLE_MASK) << SWCR_ENABLE_SHIFT)
--
1.7.7.6
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