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-rw-r--r--sysdeps/m68k/fpu/s_llrint.c48
-rw-r--r--sysdeps/m68k/fpu/s_llrintf.c66
-rw-r--r--sysdeps/m68k/fpu/s_llrintl.c65
3 files changed, 162 insertions, 17 deletions
diff --git a/sysdeps/m68k/fpu/s_llrint.c b/sysdeps/m68k/fpu/s_llrint.c
index f5d0d51122..9dfee644ed 100644
--- a/sysdeps/m68k/fpu/s_llrint.c
+++ b/sysdeps/m68k/fpu/s_llrint.c
@@ -24,36 +24,50 @@
#include "math_private.h"
long long int
-__llrint (long double x)
+__llrint (double x)
{
- int32_t se, sx;
- u_int32_t h, l;
+ int32_t e;
+ u_int32_t h, l, s;
long long int result;
- x = __m81_u(__rintl) (x);
+ x = __m81_u(__rint) (x);
/* We could use __fixxfdi from libgcc, but here we can take advantage of
the known floating point format. */
- GET_LDOUBLE_WORDS (se, h, l, x);
+ EXTRACT_WORDS (h, l, x);
- sx = se & (1 << 15);
- se = (se ^ sx) - 0x3fff;
+ e = ((h >> 20) & 0x7ff) - 0x3ff;
+ if (e < 0)
+ return 0;
+ s = h;
+ h &= 0xfffff;
+ h |= 0x100000;
- if (se < 64)
+ if (e < 63)
{
- if (se > 31)
- result = (((long long int) (h >> (63 - se)) << 32)
- | (l >> (63 - se)) | (h << (se - 31)));
+ if (e > 52)
+ {
+ h <<= e - 52;
+ h |= l >> (84 - e);
+ l <<= e - 52;
+ result = ((long long int) h << 32) | l;
+ }
+ else if (e > 20)
+ {
+ l >>= 52 - e;
+ l |= h << (e - 20);
+ h >>= 52 - e;
+ result = ((long long int) h << 32) | l;
+ }
else
- result = h >> (31 - se);
- if (sx)
+ result = h >> (20 - e);
+ if (s & 0x80000000)
result = -result;
}
else
- /* Too large. The number is either +-inf or NaN or it is too
- large to be effected by rounding. The standard leaves it
- undefined what to return when the number is too large to fit in
- a `long long int'. */
+ /* 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;
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 <schwab@issan.informatik.uni-dortmund.de>
+
+ 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 <math.h>
+#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 <schwab@issan.informatik.uni-dortmund.de>
+
+ 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 <math.h>
+#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)
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-17 04:04:22 +0000