From cd9527ff85e48b54b492e5a6f133443086397d52 Mon Sep 17 00:00:00 2001
From: drepper
Date: Tue, 11 Nov 1997 23:48:16 +0000
Subject: [PATCH] m68k specific llrint implementation.
---
sysdeps/m68k/fpu/s_llrintf.c | 66 ++++++++++++++++++++++++++++++++++++++++++++
sysdeps/m68k/fpu/s_llrintl.c | 65 +++++++++++++++++++++++++++++++++++++++++++
2 files changed, 131 insertions(+)
create mode 100644 sysdeps/m68k/fpu/s_llrintf.c
create mode 100644 sysdeps/m68k/fpu/s_llrintl.c
diff --git a/sysdeps/m68k/fpu/s_llrintf.c b/sysdeps/m68k/fpu/s_llrintf.c
new file mode 100644
index 0000000000..3c8528c4e8
--- /dev/null
+++ b/sysdeps/m68k/fpu/s_llrintf.c
@@ -0,0 +1,66 @@
+/* Round argument to nearest integral value according to current rounding
+ direction.
+ Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Schwab
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#define __LIBC_M81_MATH_INLINES
+#include
+#include "math_private.h"
+
+long long int
+__llrintf (float x)
+{
+ int32_t e;
+ u_int32_t i, s;
+ long long int result;
+
+ x = __m81_u(__rintf) (x);
+
+ GET_FLOAT_WORD (i, x);
+
+ e = ((i >> 23) & 0xff) - 0x7f;
+ if (e < 0)
+ return 0;
+ s = i;
+ i &= 0x7fffff;
+ i |= 0x800000;
+
+ if (e < 63)
+ {
+ if (e > 55)
+ result = (long long int) (i << (e - 55)) << 32;
+ else if (e > 31)
+ result = (((long long int) (i >> (55 - e)) << 32) | (i << (e - 23)));
+ else if (e > 23)
+ result = i << (e - 23);
+ else
+ result = i >> (23 - e);
+ if (s & 0x80000000)
+ result = -result;
+ }
+ else
+ /* The number is too large or not finite. The standard leaves it
+ undefined what to return when the number is too large to fit in a
+ `long long int'. */
+ result = -1LL;
+
+ return result;
+}
+
+weak_alias (__llrintf, llrintf)
diff --git a/sysdeps/m68k/fpu/s_llrintl.c b/sysdeps/m68k/fpu/s_llrintl.c
new file mode 100644
index 0000000000..55190b9eb3
--- /dev/null
+++ b/sysdeps/m68k/fpu/s_llrintl.c
@@ -0,0 +1,65 @@
+/* Round argument to nearest integral value according to current rounding
+ direction.
+ Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Schwab
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#define __LIBC_M81_MATH_INLINES
+#include
+#include "math_private.h"
+
+long long int
+__llrintl (long double x)
+{
+ int32_t e, s;
+ u_int32_t h, l;
+ long long int result;
+
+ x = __m81_u(__rintl) (x);
+
+ GET_LDOUBLE_WORDS (e, h, l, x);
+
+ s = e;
+ e = (e & 0x7fff) - 0x3fff;
+ if (e < 0)
+ return 0;
+
+ if (e < 63)
+ {
+ if (e > 31)
+ {
+ l >>= 63 - e;
+ l |= h << (e - 31);
+ h >>= 63 - e;
+ result = ((long long int) h << 32) | l;
+ }
+ else
+ result = h >> (31 - e);
+ if (s & 0x8000)
+ result = -result;
+ }
+ else
+ /* The number is too large or not finite. The standard leaves it
+ undefined what to return when the number is too large to fit in a
+ `long long int'. */
+ result = -1LL;
+
+ return result;
+}
+
+weak_alias (__llrintl, llrintl)
--
2.11.0