[S390] move include/asm-s390 to arch/s390/include/asm

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 142 insertions, 0 deletions

diff --git a/arch/s390/include/asm/sfp-machine.h b/arch/s390/include/asm/sfp-machine.h
new file mode 100644
index 000000000000..4e16aede4b06
--- /dev/null
+++ b/arch/s390/include/asm/sfp-machine.h
@@ -0,0 +1,142 @@
+/* Machine-dependent software floating-point definitions.
+   S/390 kernel version.
+   Copyright (C) 1997,1998,1999 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),
+                  David S. Miller (davem@redhat.com) and
+                  Peter Maydell (pmaydell@chiark.greenend.org.uk).
+
+   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.  */
+
+#ifndef _SFP_MACHINE_H
+#define _SFP_MACHINE_H
+   
+
+#define _FP_W_TYPE_SIZE         32
+#define _FP_W_TYPE              unsigned int
+#define _FP_WS_TYPE             signed int
+#define _FP_I_TYPE              int
+
+#define _FP_MUL_MEAT_S(R,X,Y)                                   \
+  _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
+#define _FP_MUL_MEAT_D(R,X,Y)                                   \
+  _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
+#define _FP_MUL_MEAT_Q(R,X,Y)                                   \
+  _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
+
+#define _FP_DIV_MEAT_S(R,X,Y)   _FP_DIV_MEAT_1_udiv(S,R,X,Y)
+#define _FP_DIV_MEAT_D(R,X,Y)   _FP_DIV_MEAT_2_udiv(D,R,X,Y)
+#define _FP_DIV_MEAT_Q(R,X,Y)   _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
+
+#define _FP_NANFRAC_S           ((_FP_QNANBIT_S << 1) - 1)
+#define _FP_NANFRAC_D           ((_FP_QNANBIT_D << 1) - 1), -1
+#define _FP_NANFRAC_Q           ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1
+#define _FP_NANSIGN_S           0
+#define _FP_NANSIGN_D           0
+#define _FP_NANSIGN_Q           0
+
+#define _FP_KEEPNANFRACP 1
+
+/*
+ * If one NaN is signaling and the other is not,
+ * we choose that one, otherwise we choose X.
+ */
+#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)                      \
+  do {                                                          \
+    if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)          \
+        && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs))     \
+      {                                                         \
+        R##_s = Y##_s;                                          \
+        _FP_FRAC_COPY_##wc(R,Y);                                \
+      }                                                         \
+    else                                                        \
+      {                                                         \
+        R##_s = X##_s;                                          \
+        _FP_FRAC_COPY_##wc(R,X);                                \
+      }                                                         \
+    R##_c = FP_CLS_NAN;                                         \
+  } while (0)
+
+/* Some assembly to speed things up. */
+#define __FP_FRAC_ADD_3(r2,r1,r0,x2,x1,x0,y2,y1,y0) ({          \
+        unsigned int __r2 = (x2) + (y2);                        \
+        unsigned int __r1 = (x1);                               \
+        unsigned int __r0 = (x0);                               \
+        asm volatile(                                           \
+                "       alr     %2,%3\n"                        \
+                "       brc     12,0f\n"                        \
+                "       lhi     0,1\n"                          \
+                "       alr     %1,0\n"                         \
+                "       brc     12,0f\n"                        \
+                "       alr     %0,0\n"                         \
+                "0:"                                            \
+                : "+&d" (__r2), "+&d" (__r1), "+&d" (__r0)      \
+                : "d" (y0), "i" (1) : "cc", "0" );              \
+        asm volatile(                                           \
+                "       alr     %1,%2\n"                        \
+                "       brc     12,0f\n"                        \
+                "       ahi     %0,1\n"                         \
+                "0:"                                            \
+                : "+&d" (__r2), "+&d" (__r1)                    \
+                : "d" (y1) : "cc");                             \
+        (r2) = __r2;                                            \
+        (r1) = __r1;                                            \
+        (r0) = __r0;                                            \
+})
+
+#define __FP_FRAC_SUB_3(r2,r1,r0,x2,x1,x0,y2,y1,y0) ({          \
+        unsigned int __r2 = (x2) - (y2);                        \
+        unsigned int __r1 = (x1);                               \
+        unsigned int __r0 = (x0);                               \
+        asm volatile(                                           \
+                "       slr   %2,%3\n"                          \
+                "       brc     3,0f\n"                         \
+                "       lhi     0,1\n"                          \
+                "       slr     %1,0\n"                         \
+                "       brc     3,0f\n"                         \
+                "       slr     %0,0\n"                         \
+                "0:"                                            \
+                : "+&d" (__r2), "+&d" (__r1), "+&d" (__r0)      \
+                : "d" (y0) : "cc", "0");                        \
+        asm volatile(                                           \
+                "       slr     %1,%2\n"                        \
+                "       brc     3,0f\n"                         \
+                "       ahi     %0,-1\n"                        \
+                "0:"                                            \
+                : "+&d" (__r2), "+&d" (__r1)                    \
+                : "d" (y1) : "cc");                             \
+        (r2) = __r2;                                            \
+        (r1) = __r1;                                            \
+        (r0) = __r0;                                            \
+})
+
+#define __FP_FRAC_DEC_3(x2,x1,x0,y2,y1,y0) __FP_FRAC_SUB_3(x2,x1,x0,x2,x1,x0,y2,y1,y0)
+
+/* Obtain the current rounding mode. */
+#define FP_ROUNDMODE    mode
+
+/* Exception flags. */
+#define FP_EX_INVALID           0x800000
+#define FP_EX_DIVZERO           0x400000
+#define FP_EX_OVERFLOW          0x200000
+#define FP_EX_UNDERFLOW         0x100000
+#define FP_EX_INEXACT           0x080000
+
+/* We write the results always */
+#define FP_INHIBIT_RESULTS 0
+
+#endif