Implement fpsetmask() and fpgetmask().

3 files changed, 83 insertions, 1 deletions

diff --git a/lib/libc/ia64/gen/Makefile.inc b/lib/libc/ia64/gen/Makefile.inc
index 1fa3dc5..4f5dd40 100644
--- a/lib/libc/ia64/gen/Makefile.inc
+++ b/lib/libc/ia64/gen/Makefile.inc
@@ -1,7 +1,7 @@
 # $FreeBSD$
 
 SRCS+=	_setjmp.S fabs.S frexp.c infinity.c isinf.c ldexp.c modf.c setjmp.S
-SRCS+=	sigsetjmp.S
+SRCS+=	sigsetjmp.S fpsetmask.c fpgetmask.c
 SRCS+=	__divdi3.S __divsi3.S __moddi3.S __modsi3.S
 SRCS+=	__udivdi3.S __udivsi3.S __umoddi3.S __umodsi3.S
 SRCS+=	__divdf3.S __divsf3.S
diff --git a/lib/libc/ia64/gen/fpgetmask.c b/lib/libc/ia64/gen/fpgetmask.c
new file mode 100644
index 0000000..c1b4a75
--- /dev/null
+++ b/lib/libc/ia64/gen/fpgetmask.c
@@ -0,0 +1,39 @@
+/*-
+ * Copyright (c) 2001 Doug Rabson
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/types.h>
+#include <ieeefp.h>
+
+fp_except_t
+fpgetmask(void)
+{
+	u_int64_t fpsr;
+
+	__asm __volatile("mov %0=ar.fpsr" : "=r" (fpsr));
+	return (fpsr & 0x1f) ^ 0x1f;
+}
diff --git a/lib/libc/ia64/gen/fpsetmask.c b/lib/libc/ia64/gen/fpsetmask.c
new file mode 100644
index 0000000..4bbfc0b
--- /dev/null
+++ b/lib/libc/ia64/gen/fpsetmask.c
@@ -0,0 +1,43 @@
+/*-
+ * Copyright (c) 2001 Doug Rabson
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/types.h>
+#include <ieeefp.h>
+
+fp_except_t
+fpsetmask(fp_except_t mask)
+{
+	u_int64_t fpsr;
+	u_int64_t oldmask;
+
+	__asm __volatile("mov %0=ar.fpsr" : "=r" (fpsr));
+	oldmask = (fpsr & 0x1f) ^ 0x1f;
+	fpsr = (fpsr & ~0x1f) | (mask ^ 0x1f);
+	__asm __volatile("mov ar.fpsr=%0" :: "r" (fpsr));
+	return oldmask;
+}