import newlib-2000-02-17 snapshotcvs/SNAPSHOT

1 files changed, 73 insertions, 0 deletions

diff --git a/newlib/libc/sys/sysvi386/fpx.c b/newlib/libc/sys/sysvi386/fpx.c
new file mode 100644
index 00000000000..d55a1e30ff4
--- /dev/null
+++ b/newlib/libc/sys/sysvi386/fpx.c
@@ -0,0 +1,73 @@
+#include <ieeefp.h>
+#include <machine/registers.h>
+
+
+fp_except _DEFUN(fpsetmask,(newmask),
+		fp_except newmask)
+
+{
+  fp_except oldmask;
+  v60_tkcw_type tkcw;
+  
+  sysv60(0, 8, &tkcw);
+  oldmask = tkcw.fp_trap;
+  tkcw.fp_trap = newmask;
+  sysv60(0, 8, &tkcw);
+  return oldmask;
+
+}
+
+fp_except _DEFUN_VOID(fpgetmask)
+{
+  v60_tkcw_type tkcw;
+  sysv60(0, 8, &tkcw);
+  return tkcw.fp_trap;
+}
+
+
+fp_rnd _DEFUN_VOID(fpgetround)
+{
+  v60_tkcw_type tkcw;
+  sysv60(0, 8, &tkcw);
+  return tkcw.fp_rounding;
+}
+
+fp_rnd _DEFUN(fpsetround,(rnd),
+	     fp_rnd rnd)
+{
+  fp_rnd oldrnd;
+  v60_tkcw_type tkcw;
+  
+  sysv60(0, 8, &tkcw);
+  oldrnd = tkcw.fp_rounding;
+  tkcw.fp_rounding = rnd;
+  sysv60(0, 8, &tkcw);
+  return oldrnd;
+}
+
+
+
+
+
+fp_rdi _DEFUN_VOID(fpgetroundtoi)
+{
+  v60_tkcw_type tkcw;
+  sysv60(0, 8, &tkcw);
+  return tkcw.integer_rounding;
+}
+
+fp_rdi _DEFUN(fpsetroundtoi,(rnd),
+	     fp_rdi rnd)
+{
+  fp_rdi oldrnd;
+  v60_tkcw_type tkcw;
+  
+  sysv60(0, 8, &tkcw);
+  oldrnd = tkcw.integer_rounding;
+  tkcw.integer_rounding = rnd;
+  sysv60(0, 8, &tkcw);
+  return oldrnd;
+}
+
+
+