+1999-12-29 Ulrich Drepper <drepper@cygnus.com>
+
+ * soft-fp/*: Tons of new files to implement floating-point arithmetic
+ in software.
+ Contributed by Richard Henderson, Jakub Jelinek and others.
+
1999-12-29 Andreas Jaeger <aj@suse.de>
* sysdeps/unix/sysv/linux/alpha/sys/io.h: Don't include
+1999-12-29 Andreas Jaeger <aj@suse.de>
+
+ * sysdeps/pthread/pthread.h: Fix typos, reformat comments.
+
1999-12-28 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/alpha/pt-machine.h: Move stack_pointer definition to the
--- /dev/null
+software FPU emulation by Richard Henderson, Jakub Jelinek and others
--- /dev/null
+1999-10-29 Jakub Jelinek <jakub@redhat.com>
+
+ * Makefile: New file.
+ * adddf3.c: New file.
+ * addsf3.c: New file.
+ * addtf3.c: New file.
+ * divdf3.c: New file.
+ * divsf3.c: New file.
+ * divtf3.c: New file.
+ * double.h: New file.
+ * eqdf2.c: New file.
+ * eqsf2.c: New file.
+ * eqtf2.c: New file.
+ * extenddftf2.c: New file.
+ * extendsfdf2.c: New file.
+ * extendsftf2.c: New file.
+ * fixdfdi.c: New file.
+ * fixdfsi.c: New file.
+ * fixsfdi.c: New file.
+ * fixsfsi.c: New file.
+ * fixtfdi.c: New file.
+ * fixtfsi.c: New file.
+ * fixunsdfdi.c: New file.
+ * fixunsdfsi.c: New file.
+ * fixunssfdi.c: New file.
+ * fixunssfsi.c: New file.
+ * fixunstfdi.c: New file.
+ * fixunstfsi.c: New file.
+ * floatdidf.c: New file.
+ * floatdisf.c: New file.
+ * floatditf.c: New file.
+ * floatsidf.c: New file.
+ * floatsisf.c: New file.
+ * floatsitf.c: New file.
+ * gedf2.c: New file.
+ * gesf2.c: New file.
+ * getf2.c: New file.
+ * ledf2.c: New file.
+ * lesf2.c: New file.
+ * letf2.c: New file.
+ * muldf3.c: New file.
+ * mulsf3.c: New file.
+ * multf3.c: New file.
+ * negdf2.c: New file.
+ * negsf2.c: New file.
+ * negtf2.c: New file.
+ * op-1.h: New file.
+ * op-2.h: New file.
+ * op-4.h: New file.
+ * op-common.h: New file.
+ * quad.h: New file.
+ * single.h: New file.
+ * soft-fp.h: New file.
+ * subdf3.c: New file.
+ * subsf3.c: New file.
+ * subtf3.c: New file.
+ * testit.c: New file.
+ * truncdfsf2.c: New file.
+ * trunctfdf2.c: New file.
+ * trunctfsf2.c: New file.
+ * Banner: New file.
+ * configure: New file.
+ * op-8.h: New file.
+ * sqrtdf2.c: New file.
+ * extended.h: New file.
+ * sqrtsf2.c: New file.
+ * sqrttf2.c: New file.
+ * sysdeps/i386/sfp-machine.h: New file.
+ * sysdeps/alpha/sfp-machine.h: New file.
+ * sysdeps/sparc/sparc64/sfp-machine.h: New file.
+ * sysdeps/sparc/sparc64/Makefile: New file.
+ * sysdeps/sparc/sparc64/qp_qtoux.c: New file.
+ * sysdeps/sparc/sparc64/qp_add.c: New file.
+ * sysdeps/sparc/sparc64/qp_div.c: New file.
+ * sysdeps/sparc/sparc64/qp_dtoq.c: New file.
+ * sysdeps/sparc/sparc64/qp_feq.c: New file.
+ * sysdeps/sparc/sparc64/qp_fge.c: New file.
+ * sysdeps/sparc/sparc64/qp_fle.c: New file.
+ * sysdeps/sparc/sparc64/qp_itoq.c: New file.
+ * sysdeps/sparc/sparc64/qp_mul.c: New file.
+ * sysdeps/sparc/sparc64/qp_qtod.c: New file.
+ * sysdeps/sparc/sparc64/qp_qtoi.c: New file.
+ * sysdeps/sparc/sparc64/qp_qtos.c: New file.
+ * sysdeps/sparc/sparc64/Versions: New file.
+ * sysdeps/sparc/sparc64/qp_stoq.c: New file.
+ * sysdeps/sparc/sparc64/qp_sub.c: New file.
+ * sysdeps/sparc/sparc64/qp_fne.c: New file.
+ * sysdeps/sparc/sparc64/qp_cmp.c: New file.
+ * sysdeps/sparc/sparc64/qp_uxtoq.c: New file.
+ * sysdeps/sparc/sparc64/qp_fgt.c: New file.
+ * sysdeps/sparc/sparc64/qp_cmpe.c: New file.
+ * sysdeps/sparc/sparc64/s_frexpl.c: New file.
+ * sysdeps/sparc/sparc64/qp_qtox.c: New file.
+ * sysdeps/sparc/sparc64/qp_flt.c: New file.
+ * sysdeps/sparc/sparc64/qp_xtoq.c: New file.
+ * sysdeps/sparc/sparc64/qp_sqrt.c: New file.
+ * sysdeps/sparc/sparc64/s_ilogbl.c: New file.
+ * sysdeps/sparc/sparc64/s_scalblnl.c: New file.
+ * sysdeps/sparc/sparc64/s_scalbnl.c: New file.
+ * sysdeps/sparc/sparc64/qp_util.c: New file.
+ * sysdeps/sparc/sparc64/qp_neg.S: New file.
+ * sysdeps/sparc/sparc64/qp_uitoq.c: New file.
+ * sysdeps/sparc/sparc64/qp_qtoui.c: New file.
+ * sysdeps/sparc/sparc32/sfp-machine.h: New file.
+ * sysdeps/sparc/sparc32/Makefile: New file.
+ * sysdeps/sparc/sparc32/q_qtox.c: New file.
+ * sysdeps/sparc/sparc32/q_cmp.c: New file.
+ * sysdeps/sparc/sparc32/q_dtoq.c: New file.
+ * sysdeps/sparc/sparc32/q_feq.c: New file.
+ * sysdeps/sparc/sparc32/q_fge.c: New file.
+ * sysdeps/sparc/sparc32/q_fgt.c: New file.
+ * sysdeps/sparc/sparc32/q_flt.c: New file.
+ * sysdeps/sparc/sparc32/q_mul.c: New file.
+ * sysdeps/sparc/sparc32/q_neg.c: New file.
+ * sysdeps/sparc/sparc32/q_qtod.c: New file.
+ * sysdeps/sparc/sparc32/q_qtoi.c: New file.
+ * sysdeps/sparc/sparc32/q_qtos.c: New file.
+ * sysdeps/sparc/sparc32/q_qtoui.c: New file.
+ * sysdeps/sparc/sparc32/q_sqrt.c: New file.
+ * sysdeps/sparc/sparc32/q_sub.c: New file.
+ * sysdeps/sparc/sparc32/q_uitoq.c: New file.
+ * sysdeps/sparc/sparc32/q_itoq.c: New file.
+ * sysdeps/sparc/sparc32/q_cmpe.c: New file.
+ * sysdeps/sparc/sparc32/q_xtoq.c: New file.
+ * sysdeps/sparc/sparc32/q_fle.c: New file.
+ * sysdeps/sparc/sparc32/q_div.c: New file.
+ * sysdeps/sparc/sparc32/q_stoq.c: New file.
+ * sysdeps/sparc/sparc32/q_fne.c: New file.
+ * sysdeps/sparc/sparc32/q_uxtoq.c: New file.
+ * sysdeps/sparc/sparc32/q_util.c: New file.
+ * sysdeps/sparc/sparc32/q_qtoux.c: New file.
+ * sysdeps/sparc/sparc32/q_add.c: New file.
+ * sysdeps/mips/sfp-machine.h: New file.
+ * sysdeps/mips/mips64/sfp-machine.h: New file.
+ * sysdeps/powerpc/sfp-machine.h: New file.
--- /dev/null
+# Copyright (C) 1997, 1999 Free Software Foundation, Inc.
+# This file is part of the GNU C Library.
+#
+# 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.
+
+#
+# Makefile for software floating-point routines
+#
+subdir := soft-fp
+
+gcc-single-routines := negsf2 addsf3 subsf3 mulsf3 divsf3 eqsf2 \
+ lesf2 gesf2 fixsfsi fixunssfsi floatsisf fixsfdi \
+ fixunssfdi floatdisf sqrtsf2
+
+gcc-double-routines := negdf2 adddf3 subdf3 muldf3 divdf3 eqdf2 \
+ ledf2 gedf2 fixdfsi fixunsdfsi floatsidf fixdfdi \
+ fixunsdfdi floatdidf extendsfdf2 truncdfsf2 sqrtdf2
+
+gcc-quad-routines := negtf2 addtf3 subtf3 multf3 divtf3 eqtf2 \
+ letf2 getf2 fixtfsi fixunstfsi floatsitf fixtfdi \
+ fixunstfdi floatditf extendsftf2 trunctfsf2 extenddftf2 \
+ trunctfdf2 sqrttf2
+
+distribute := double.h op-1.h op-2.h op-4.h op-common.h quad.h \
+ single.h soft-fp.h extended.h
+
+include ../Rules
--- /dev/null
+/* Software floating-point emulation.
+ Return a + b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "double.h"
+
+double __adddf3(double a, double b)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A); FP_DECL_D(B); FP_DECL_D(R);
+ double r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_D(A, a);
+ FP_UNPACK_D(B, b);
+ FP_ADD_D(R, A, B);
+ FP_PACK_D(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return a + b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+
+float __addsf3(float a, float b)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A); FP_DECL_S(B); FP_DECL_S(R);
+ float r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_S(A, a);
+ FP_UNPACK_S(B, b);
+ FP_ADD_S(R, A, B);
+ FP_PACK_S(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
+
--- /dev/null
+/* Software floating-point emulation.
+ Return a + b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double __addtf3(long double a, long double b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(R);
+ long double r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_Q(A, a);
+ FP_UNPACK_Q(B, b);
+ FP_ADD_Q(R, A, B);
+ FP_PACK_Q(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+# This is only to keep the GNU C library configure mechanism happy.
+exit 0
--- /dev/null
+/* Software floating-point emulation.
+ Return a / b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "double.h"
+
+double __divdf3(double a, double b)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A); FP_DECL_D(B); FP_DECL_D(R);
+ double r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_D(A, a);
+ FP_UNPACK_D(B, b);
+ FP_DIV_D(R, A, B);
+ FP_PACK_D(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return a / b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+
+float __divsf3(float a, float b)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A); FP_DECL_S(B); FP_DECL_S(R);
+ float r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_S(A, a);
+ FP_UNPACK_S(B, b);
+ FP_DIV_S(R, A, B);
+ FP_PACK_S(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return a / b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double __divtf3(long double a, long double b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(R);
+ long double r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_Q(A, a);
+ FP_UNPACK_Q(B, b);
+ FP_DIV_Q(R, A, B);
+ FP_PACK_Q(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Definitions for IEEE Double Precision
+ 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. */
+
+#if _FP_W_TYPE_SIZE < 32
+#error "Here's a nickel kid. Go buy yourself a real computer."
+#endif
+
+#if _FP_W_TYPE_SIZE < 64
+#define _FP_FRACTBITS_D (2 * _FP_W_TYPE_SIZE)
+#else
+#define _FP_FRACTBITS_D _FP_W_TYPE_SIZE
+#endif
+
+#define _FP_FRACBITS_D 53
+#define _FP_FRACXBITS_D (_FP_FRACTBITS_D - _FP_FRACBITS_D)
+#define _FP_WFRACBITS_D (_FP_WORKBITS + _FP_FRACBITS_D)
+#define _FP_WFRACXBITS_D (_FP_FRACTBITS_D - _FP_WFRACBITS_D)
+#define _FP_EXPBITS_D 11
+#define _FP_EXPBIAS_D 1023
+#define _FP_EXPMAX_D 2047
+
+#define _FP_QNANBIT_D \
+ ((_FP_W_TYPE)1 << (_FP_FRACBITS_D-2) % _FP_W_TYPE_SIZE)
+#define _FP_IMPLBIT_D \
+ ((_FP_W_TYPE)1 << (_FP_FRACBITS_D-1) % _FP_W_TYPE_SIZE)
+#define _FP_OVERFLOW_D \
+ ((_FP_W_TYPE)1 << _FP_WFRACBITS_D % _FP_W_TYPE_SIZE)
+
+#if _FP_W_TYPE_SIZE < 64
+
+union _FP_UNION_D
+{
+ double flt;
+ struct {
+#if __BYTE_ORDER == __BIG_ENDIAN
+ unsigned sign : 1;
+ unsigned exp : _FP_EXPBITS_D;
+ unsigned frac1 : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0) - _FP_W_TYPE_SIZE;
+ unsigned frac0 : _FP_W_TYPE_SIZE;
+#else
+ unsigned frac0 : _FP_W_TYPE_SIZE;
+ unsigned frac1 : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0) - _FP_W_TYPE_SIZE;
+ unsigned exp : _FP_EXPBITS_D;
+ unsigned sign : 1;
+#endif
+ } bits __attribute__((packed));
+};
+
+#define FP_DECL_D(X) _FP_DECL(2,X)
+#define FP_UNPACK_RAW_D(X,val) _FP_UNPACK_RAW_2(D,X,val)
+#define FP_UNPACK_RAW_DP(X,val) _FP_UNPACK_RAW_2_P(D,X,val)
+#define FP_PACK_RAW_D(val,X) _FP_PACK_RAW_2(D,val,X)
+#define FP_PACK_RAW_DP(val,X) \
+ do { \
+ if (!FP_INHIBIT_RESULTS) \
+ _FP_PACK_RAW_2_P(D,val,X); \
+ } while (0)
+
+#define FP_UNPACK_D(X,val) \
+ do { \
+ _FP_UNPACK_RAW_2(D,X,val); \
+ _FP_UNPACK_CANONICAL(D,2,X); \
+ } while (0)
+
+#define FP_UNPACK_DP(X,val) \
+ do { \
+ _FP_UNPACK_RAW_2_P(D,X,val); \
+ _FP_UNPACK_CANONICAL(D,2,X); \
+ } while (0)
+
+#define FP_PACK_D(val,X) \
+ do { \
+ _FP_PACK_CANONICAL(D,2,X); \
+ _FP_PACK_RAW_2(D,val,X); \
+ } while (0)
+
+#define FP_PACK_DP(val,X) \
+ do { \
+ _FP_PACK_CANONICAL(D,2,X); \
+ if (!FP_INHIBIT_RESULTS) \
+ _FP_PACK_RAW_2_P(D,val,X); \
+ } while (0)
+
+#define FP_ISSIGNAN_D(X) _FP_ISSIGNAN(D,2,X)
+#define FP_NEG_D(R,X) _FP_NEG(D,2,R,X)
+#define FP_ADD_D(R,X,Y) _FP_ADD(D,2,R,X,Y)
+#define FP_SUB_D(R,X,Y) _FP_SUB(D,2,R,X,Y)
+#define FP_MUL_D(R,X,Y) _FP_MUL(D,2,R,X,Y)
+#define FP_DIV_D(R,X,Y) _FP_DIV(D,2,R,X,Y)
+#define FP_SQRT_D(R,X) _FP_SQRT(D,2,R,X)
+#define _FP_SQRT_MEAT_D(R,S,T,X,Q) _FP_SQRT_MEAT_2(R,S,T,X,Q)
+
+#define FP_CMP_D(r,X,Y,un) _FP_CMP(D,2,r,X,Y,un)
+#define FP_CMP_EQ_D(r,X,Y) _FP_CMP_EQ(D,2,r,X,Y)
+
+#define FP_TO_INT_D(r,X,rsz,rsg) _FP_TO_INT(D,2,r,X,rsz,rsg)
+#define FP_FROM_INT_D(X,r,rs,rt) _FP_FROM_INT(D,2,X,r,rs,rt)
+
+#define _FP_FRAC_HIGH_D(X) _FP_FRAC_HIGH_2(X)
+#define _FP_FRAC_HIGH_RAW_D(X) _FP_FRAC_HIGH_2(X)
+
+#else
+
+union _FP_UNION_D
+{
+ double flt;
+ struct {
+#if __BYTE_ORDER == __BIG_ENDIAN
+ unsigned sign : 1;
+ unsigned exp : _FP_EXPBITS_D;
+ unsigned long frac : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0);
+#else
+ unsigned long frac : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0);
+ unsigned exp : _FP_EXPBITS_D;
+ unsigned sign : 1;
+#endif
+ } bits __attribute__((packed));
+};
+
+#define FP_DECL_D(X) _FP_DECL(1,X)
+#define FP_UNPACK_RAW_D(X,val) _FP_UNPACK_RAW_1(D,X,val)
+#define FP_UNPACK_RAW_DP(X,val) _FP_UNPACK_RAW_1_P(D,X,val)
+#define FP_PACK_RAW_D(val,X) _FP_PACK_RAW_1(D,val,X)
+#define FP_PACK_RAW_DP(val,X) \
+ do { \
+ if (!FP_INHIBIT_RESULTS) \
+ _FP_PACK_RAW_1_P(D,val,X); \
+ } while (0)
+
+#define FP_UNPACK_D(X,val) \
+ do { \
+ _FP_UNPACK_RAW_1(D,X,val); \
+ _FP_UNPACK_CANONICAL(D,1,X); \
+ } while (0)
+
+#define FP_UNPACK_DP(X,val) \
+ do { \
+ _FP_UNPACK_RAW_1_P(D,X,val); \
+ _FP_UNPACK_CANONICAL(D,1,X); \
+ } while (0)
+
+#define FP_PACK_D(val,X) \
+ do { \
+ _FP_PACK_CANONICAL(D,1,X); \
+ _FP_PACK_RAW_1(D,val,X); \
+ } while (0)
+
+#define FP_PACK_DP(val,X) \
+ do { \
+ _FP_PACK_CANONICAL(D,1,X); \
+ if (!FP_INHIBIT_RESULTS) \
+ _FP_PACK_RAW_1_P(D,val,X); \
+ } while (0)
+
+#define FP_ISSIGNAN_D(X) _FP_ISSIGNAN(D,1,X)
+#define FP_NEG_D(R,X) _FP_NEG(D,1,R,X)
+#define FP_ADD_D(R,X,Y) _FP_ADD(D,1,R,X,Y)
+#define FP_SUB_D(R,X,Y) _FP_SUB(D,1,R,X,Y)
+#define FP_MUL_D(R,X,Y) _FP_MUL(D,1,R,X,Y)
+#define FP_DIV_D(R,X,Y) _FP_DIV(D,1,R,X,Y)
+#define FP_SQRT_D(R,X) _FP_SQRT(D,1,R,X)
+#define _FP_SQRT_MEAT_D(R,S,T,X,Q) _FP_SQRT_MEAT_1(R,S,T,X,Q)
+
+/* The implementation of _FP_MUL_D and _FP_DIV_D should be chosen by
+ the target machine. */
+
+#define FP_CMP_D(r,X,Y,un) _FP_CMP(D,1,r,X,Y,un)
+#define FP_CMP_EQ_D(r,X,Y) _FP_CMP_EQ(D,1,r,X,Y)
+
+#define FP_TO_INT_D(r,X,rsz,rsg) _FP_TO_INT(D,1,r,X,rsz,rsg)
+#define FP_FROM_INT_D(X,r,rs,rt) _FP_FROM_INT(D,1,X,r,rs,rt)
+
+#define _FP_FRAC_HIGH_D(X) _FP_FRAC_HIGH_1(X)
+#define _FP_FRAC_HIGH_RAW_D(X) _FP_FRAC_HIGH_1(X)
+
+#endif /* W_TYPE_SIZE < 64 */
--- /dev/null
+/* Software floating-point emulation.
+ Return 0 iff a == b, 1 otherwise
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "double.h"
+
+int __eqdf2(double a, double b)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A); FP_DECL_D(B);
+ int r;
+
+ FP_UNPACK_RAW_D(A, a);
+ FP_UNPACK_RAW_D(B, b);
+ FP_CMP_EQ_D(r, A, B);
+ if (r && (FP_ISSIGNAN_D(A) || FP_ISSIGNAN_D(B)))
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
+
+strong_alias(__eqdf2, __nedf2);
--- /dev/null
+/* Software floating-point emulation.
+ Return 0 iff a == b, 1 otherwise
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+
+int __eqsf2(float a, float b)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A); FP_DECL_S(B);
+ int r;
+
+ FP_UNPACK_RAW_S(A, a);
+ FP_UNPACK_RAW_S(B, b);
+ FP_CMP_EQ_S(r, A, B);
+ if (r && (FP_ISSIGNAN_S(A) || FP_ISSIGNAN_S(B)))
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
+
+strong_alias(__eqsf2, __nesf2);
--- /dev/null
+/* Software floating-point emulation.
+ Return 0 iff a == b, 1 otherwise
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+int __eqtf2(long double a, long double b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B);
+ int r;
+
+ FP_UNPACK_RAW_Q(A, a);
+ FP_UNPACK_RAW_Q(B, b);
+ FP_CMP_EQ_Q(r, A, B);
+ if (r && (FP_ISSIGNAN_Q(A) || FP_ISSIGNAN_Q(B)))
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
+
+strong_alias(__eqtf2, __netf2);
--- /dev/null
+/* Software floating-point emulation.
+ Return a converted to IEEE quad
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "double.h"
+#include "quad.h"
+
+long double __extenddftf2(double a)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A);
+ FP_DECL_Q(R);
+ long double r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_D(A, a);
+#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q
+ FP_CONV(Q,D,4,2,R,A);
+#else
+ FP_CONV(Q,D,2,1,R,A);
+#endif
+ FP_PACK_Q(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Definitions for IEEE Extended Precision.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#if _FP_W_TYPE_SIZE < 32
+#error "Here's a nickel, kid. Go buy yourself a real computer."
+#endif
+
+#if _FP_W_TYPE_SIZE < 64
+#define _FP_FRACTBITS_E (4*_FP_W_TYPE_SIZE)
+#else
+#define _FP_FRACTBITS_E (2*_FP_W_TYPE_SIZE)
+#endif
+
+#define _FP_FRACBITS_E 64
+#define _FP_FRACXBITS_E (_FP_FRACTBITS_E - _FP_FRACBITS_E)
+#define _FP_WFRACBITS_E (_FP_WORKBITS + _FP_FRACBITS_E)
+#define _FP_WFRACXBITS_E (_FP_FRACTBITS_E - _FP_WFRACBITS_E)
+#define _FP_EXPBITS_E 15
+#define _FP_EXPBIAS_E 16383
+#define _FP_EXPMAX_E 32767
+
+#define _FP_QNANBIT_E \
+ ((_FP_W_TYPE)1 << (_FP_FRACBITS_E-2) % _FP_W_TYPE_SIZE)
+#define _FP_IMPLBIT_E \
+ ((_FP_W_TYPE)1 << (_FP_FRACBITS_E-1) % _FP_W_TYPE_SIZE)
+#define _FP_OVERFLOW_E \
+ ((_FP_W_TYPE)1 << (_FP_WFRACBITS_E % _FP_W_TYPE_SIZE))
+
+#if _FP_W_TYPE_SIZE < 64
+
+union _FP_UNION_E
+{
+ long double flt;
+ struct
+ {
+#if __BYTE_ORDER == __BIG_ENDIAN
+ unsigned long pad1 : _FP_W_TYPE_SIZE;
+ unsigned long pad2 : (_FP_W_TYPE_SIZE - 1 - _FP_EXPBITS_E);
+ unsigned long sign : 1;
+ unsigned long exp : _FP_EXPBITS_E;
+ unsigned long frac1 : _FP_W_TYPE_SIZE;
+ unsigned long frac0 : _FP_W_TYPE_SIZE;
+#else
+ unsigned long frac0 : _FP_W_TYPE_SIZE;
+ unsigned long frac1 : _FP_W_TYPE_SIZE;
+ unsigned exp : _FP_EXPBITS_E;
+ unsigned sign : 1;
+#endif /* not bigendian */
+ } bits __attribute__((packed));
+};
+
+
+#define FP_DECL_E(X) _FP_DECL(4,X)
+
+#define FP_UNPACK_RAW_E(X, val) \
+ do { \
+ union _FP_UNION_E _flo; _flo.flt = (val); \
+ \
+ X##_f[2] = 0; X##_f[3] = 0; \
+ X##_f[0] = _flo.bits.frac0; \
+ X##_f[1] = _flo.bits.frac1; \
+ X##_e = _flo.bits.exp; \
+ X##_s = _flo.bits.sign; \
+ if (!X##_e && (X##_f[1] || X##_f[0]) \
+ && !(X##_f[1] & _FP_IMPLBIT_E)) \
+ { \
+ X##_e++; \
+ FP_SET_EXCEPTION(FP_EX_DENORM); \
+ } \
+ } while (0)
+
+#define FP_UNPACK_RAW_EP(X, val) \
+ do { \
+ union _FP_UNION_E *_flo = \
+ (union _FP_UNION_E *)(val); \
+ \
+ X##_f[2] = 0; X##_f[3] = 0; \
+ X##_f[0] = _flo->bits.frac0; \
+ X##_f[1] = _flo->bits.frac1; \
+ X##_e = _flo->bits.exp; \
+ X##_s = _flo->bits.sign; \
+ if (!X##_e && (X##_f[1] || X##_f[0]) \
+ && !(X##_f[1] & _FP_IMPLBIT_E)) \
+ { \
+ X##_e++; \
+ FP_SET_EXCEPTION(FP_EX_DENORM); \
+ } \
+ } while (0)
+
+#define FP_PACK_RAW_E(val, X) \
+ do { \
+ union _FP_UNION_E _flo; \
+ \
+ if (X##_e) X##_f[1] |= _FP_IMPLBIT_E; \
+ else X##_f[1] &= ~(_FP_IMPLBIT_E); \
+ _flo.bits.frac0 = X##_f[0]; \
+ _flo.bits.frac1 = X##_f[1]; \
+ _flo.bits.exp = X##_e; \
+ _flo.bits.sign = X##_s; \
+ \
+ (val) = _flo.flt; \
+ } while (0)
+
+#define FP_PACK_RAW_EP(val, X) \
+ do { \
+ if (!FP_INHIBIT_RESULTS) \
+ { \
+ union _FP_UNION_E *_flo = \
+ (union _FP_UNION_E *)(val); \
+ \
+ if (X##_e) X##_f[1] |= _FP_IMPLBIT_E; \
+ else X##_f[1] &= ~(_FP_IMPLBIT_E); \
+ _flo->bits.frac0 = X##_f[0]; \
+ _flo->bits.frac1 = X##_f[1]; \
+ _flo->bits.exp = X##_e; \
+ _flo->bits.sign = X##_s; \
+ } \
+ } while (0)
+
+#define FP_UNPACK_E(X,val) \
+ do { \
+ FP_UNPACK_RAW_E(X,val); \
+ _FP_UNPACK_CANONICAL(E,4,X); \
+ } while (0)
+
+#define FP_UNPACK_EP(X,val) \
+ do { \
+ FP_UNPACK_RAW_2_P(X,val); \
+ _FP_UNPACK_CANONICAL(E,4,X); \
+ } while (0)
+
+#define FP_PACK_E(val,X) \
+ do { \
+ _FP_PACK_CANONICAL(E,4,X); \
+ FP_PACK_RAW_E(val,X); \
+ } while (0)
+
+#define FP_PACK_EP(val,X) \
+ do { \
+ _FP_PACK_CANONICAL(E,4,X); \
+ FP_PACK_RAW_EP(val,X); \
+ } while (0)
+
+#define FP_ISSIGNAN_E(X) _FP_ISSIGNAN(E,4,X)
+#define FP_NEG_E(R,X) _FP_NEG(E,4,R,X)
+#define FP_ADD_E(R,X,Y) _FP_ADD(E,4,R,X,Y)
+#define FP_SUB_E(R,X,Y) _FP_SUB(E,4,R,X,Y)
+#define FP_MUL_E(R,X,Y) _FP_MUL(E,4,R,X,Y)
+#define FP_DIV_E(R,X,Y) _FP_DIV(E,4,R,X,Y)
+#define FP_SQRT_E(R,X) _FP_SQRT(E,4,R,X)
+
+/*
+ * Square root algorithms:
+ * We have just one right now, maybe Newton approximation
+ * should be added for those machines where division is fast.
+ * This has special _E version because standard _4 square
+ * root would not work (it has to start normally with the
+ * second word and not the first), but as we have to do it
+ * anyway, we optimize it by doing most of the calculations
+ * in two UWtype registers instead of four.
+ */
+
+#define _FP_SQRT_MEAT_E(R, S, T, X, q) \
+ do { \
+ q = (_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE - 1); \
+ _FP_FRAC_SRL_4(X, (_FP_WORKBITS)); \
+ while (q) \
+ { \
+ T##_f[1] = S##_f[1] + q; \
+ if (T##_f[1] <= X##_f[1]) \
+ { \
+ S##_f[1] = T##_f[1] + q; \
+ X##_f[1] -= T##_f[1]; \
+ R##_f[1] += q; \
+ } \
+ _FP_FRAC_SLL_2(X, 1); \
+ q >>= 1; \
+ } \
+ q = (_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE - 1); \
+ while (q) \
+ { \
+ T##_f[0] = S##_f[0] + q; \
+ T##_f[1] = S##_f[1]; \
+ if (T##_f[1] < X##_f[1] || \
+ (T##_f[1] == X##_f[1] && \
+ T##_f[0] <= X##_f[0])) \
+ { \
+ S##_f[0] = T##_f[0] + q; \
+ S##_f[1] += (T##_f[0] > S##_f[0]); \
+ _FP_FRAC_DEC_2(X, T); \
+ R##_f[0] += q; \
+ } \
+ _FP_FRAC_SLL_2(X, 1); \
+ q >>= 1; \
+ } \
+ _FP_FRAC_SLL_4(R, (_FP_WORKBITS)); \
+ if (X##_f[0] | X##_f[1]) \
+ { \
+ if (S##_f[1] < X##_f[1] || \
+ (S##_f[1] == X##_f[1] && \
+ S##_f[0] < X##_f[0])) \
+ R##_f[0] |= _FP_WORK_ROUND; \
+ R##_f[0] |= _FP_WORK_STICKY; \
+ } \
+ } while (0)
+
+#define FP_CMP_E(r,X,Y,un) _FP_CMP(E,4,r,X,Y,un)
+#define FP_CMP_EQ_E(r,X,Y) _FP_CMP_EQ(E,4,r,X,Y)
+
+#define FP_TO_INT_E(r,X,rsz,rsg) _FP_TO_INT(E,4,r,X,rsz,rsg)
+#define FP_FROM_INT_E(X,r,rs,rt) _FP_FROM_INT(E,4,X,r,rs,rt)
+
+#define _FP_FRAC_HIGH_E(X) (X##_f[2])
+#define _FP_FRAC_HIGH_RAW_E(X) (X##_f[1])
+
+#else /* not _FP_W_TYPE_SIZE < 64 */
+union _FP_UNION_E
+{
+ long double flt /* __attribute__((mode(TF))) */ ;
+ struct {
+#if __BYTE_ORDER == __BIG_ENDIAN
+ unsigned long pad : (_FP_W_TYPE_SIZE - 1 - _FP_EXPBITS_E);
+ unsigned sign : 1;
+ unsigned exp : _FP_EXPBITS_E;
+ unsigned long frac : _FP_W_TYPE_SIZE;
+#else
+ unsigned long frac : _FP_W_TYPE_SIZE;
+ unsigned exp : _FP_EXPBITS_E;
+ unsigned sign : 1;
+#endif
+ } bits;
+};
+
+#define FP_DECL_E(X) _FP_DECL(2,X)
+
+#define FP_UNPACK_RAW_E(X, val) \
+ do { \
+ union _FP_UNION_E _flo; _flo.flt = (val); \
+ \
+ X##_f0 = _flo.bits.frac; \
+ X##_f1 = 0; \
+ X##_e = _flo.bits.exp; \
+ X##_s = _flo.bits.sign; \
+ if (!X##_e && X##_f0 && !(X##_f0 & _FP_IMPLBIT_E)) \
+ { \
+ X##_e++; \
+ FP_SET_EXCEPTION(FP_EX_DENORM); \
+ } \
+ } while (0)
+
+#define FP_UNPACK_RAW_EP(X, val) \
+ do { \
+ union _FP_UNION_E *_flo = \
+ (union _FP_UNION_E *)(val); \
+ \
+ X##_f0 = _flo->bits.frac; \
+ X##_f1 = 0; \
+ X##_e = _flo->bits.exp; \
+ X##_s = _flo->bits.sign; \
+ if (!X##_e && X##_f0 && !(X##_f0 & _FP_IMPLBIT_E)) \
+ { \
+ X##_e++; \
+ FP_SET_EXCEPTION(FP_EX_DENORM); \
+ } \
+ } while (0)
+
+#define FP_PACK_RAW_E(val, X) \
+ do { \
+ union _FP_UNION_E _flo; \
+ \
+ if (X##_e) X##_f0 |= _FP_IMPLBIT_E; \
+ else X##_f0 &= ~(_FP_IMPLBIT_E); \
+ _flo.bits.frac = X##_f0; \
+ _flo.bits.exp = X##_e; \
+ _flo.bits.sign = X##_s; \
+ \
+ (val) = _flo.flt; \
+ } while (0)
+
+#define FP_PACK_RAW_EP(fs, val, X) \
+ do { \
+ if (!FP_INHIBIT_RESULTS) \
+ { \
+ union _FP_UNION_E *_flo = \
+ (union _FP_UNION_E *)(val); \
+ \
+ if (X##_e) X##_f0 |= _FP_IMPLBIT_E; \
+ else X##_f0 &= ~(_FP_IMPLBIT_E); \
+ _flo->bits.frac = X##_f0; \
+ _flo->bits.exp = X##_e; \
+ _flo->bits.sign = X##_s; \
+ } \
+ } while (0)
+
+
+#define FP_UNPACK_E(X,val) \
+ do { \
+ FP_UNPACK_RAW_E(X,val); \
+ _FP_UNPACK_CANONICAL(E,2,X); \
+ } while (0)
+
+#define FP_UNPACK_EP(X,val) \
+ do { \
+ FP_UNPACK_RAW_EP(X,val); \
+ _FP_UNPACK_CANONICAL(E,2,X); \
+ } while (0)
+
+#define FP_PACK_E(val,X) \
+ do { \
+ _FP_PACK_CANONICAL(E,2,X); \
+ FP_PACK_RAW_E(val,X); \
+ } while (0)
+
+#define FP_PACK_EP(val,X) \
+ do { \
+ _FP_PACK_CANONICAL(E,2,X); \
+ FP_PACK_RAW_EP(val,X); \
+ } while (0)
+
+#define FP_ISSIGNAN_E(X) _FP_ISSIGNAN(E,2,X)
+#define FP_NEG_E(R,X) _FP_NEG(E,2,R,X)
+#define FP_ADD_E(R,X,Y) _FP_ADD(E,2,R,X,Y)
+#define FP_SUB_E(R,X,Y) _FP_SUB(E,2,R,X,Y)
+#define FP_MUL_E(R,X,Y) _FP_MUL(E,2,R,X,Y)
+#define FP_DIV_E(R,X,Y) _FP_DIV(E,2,R,X,Y)
+#define FP_SQRT_E(R,X) _FP_SQRT(E,2,R,X)
+
+/*
+ * Square root algorithms:
+ * We have just one right now, maybe Newton approximation
+ * should be added for those machines where division is fast.
+ * We optimize it by doing most of the calculations
+ * in one UWtype registers instead of two, although we don't
+ * have to.
+ */
+#define _FP_SQRT_MEAT_E(R, S, T, X, q) \
+ do { \
+ q = (_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE - 1); \
+ _FP_FRAC_SRL_2(X, (_FP_WORKBITS)); \
+ while (q) \
+ { \
+ T##_f0 = S##_f0 + q; \
+ if (T##_f0 <= X##_f0) \
+ { \
+ S##_f0 = T##_f0 + q; \
+ X##_f0 -= T##_f0; \
+ R##_f0 += q; \
+ } \
+ _FP_FRAC_SLL_1(X, 1); \
+ q >>= 1; \
+ } \
+ _FP_FRAC_SLL_2(R, (_FP_WORKBITS)); \
+ if (X##_f0) \
+ { \
+ if (S##_f0 < X##_f0) \
+ R##_f0 |= _FP_WORK_ROUND; \
+ R##_f0 |= _FP_WORK_STICKY; \
+ } \
+ } while (0)
+
+#define FP_CMP_E(r,X,Y,un) _FP_CMP(E,2,r,X,Y,un)
+#define FP_CMP_EQ_E(r,X,Y) _FP_CMP_EQ(E,2,r,X,Y)
+
+#define FP_TO_INT_E(r,X,rsz,rsg) _FP_TO_INT(E,2,r,X,rsz,rsg)
+#define FP_FROM_INT_E(X,r,rs,rt) _FP_FROM_INT(E,2,X,r,rs,rt)
+
+#define _FP_FRAC_HIGH_E(X) (X##_f1)
+#define _FP_FRAC_HIGH_RAW_E(X) (X##_f0)
+
+#endif /* not _FP_W_TYPE_SIZE < 64 */
--- /dev/null
+/* Software floating-point emulation.
+ Return a converted to IEEE double
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+#include "double.h"
+
+double __extendsfdf2(float a)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A);
+ FP_DECL_D(R);
+ double r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_S(A, a);
+#if _FP_W_TYPE_SIZE < _FP_FRACBITS_D
+ FP_CONV(D,S,2,1,R,A);
+#else
+ FP_CONV(D,S,1,1,R,A);
+#endif
+ FP_PACK_D(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return a converted to IEEE quad
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+#include "quad.h"
+
+long double __extendsftf2(float a)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A);
+ FP_DECL_Q(R);
+ long double r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_S(A, a);
+#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q
+ FP_CONV(Q,S,4,1,R,A);
+#else
+ FP_CONV(Q,S,2,1,R,A);
+#endif
+ FP_PACK_Q(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Convert a to 64bit signed integer
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "double.h"
+
+DItype __fixdfdi(double a)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A);
+ DItype r;
+
+ FP_UNPACK_D(A, a);
+ FP_TO_INT_D(r, A, 64, 1);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Convert a to 32bit signed integer
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "double.h"
+
+SItype __fixdfsi(double a)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A);
+ SItype r;
+
+ FP_UNPACK_D(A, a);
+ FP_TO_INT_D(r, A, 32, 1);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Convert a to 64bit signed integer
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+
+DItype __fixsfdi(float a)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A);
+ DItype r;
+
+ FP_UNPACK_S(A, a);
+ FP_TO_INT_S(r, A, 64, 1);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Convert a to 32bit signed integer
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+
+SItype __fixsfsi(float a)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A);
+ SItype r;
+
+ FP_UNPACK_S(A, a);
+ FP_TO_INT_S(r, A, 32, 1);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Convert a to 64bit signed integer
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+DItype __fixtfdi(long double a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ DItype r;
+
+ FP_UNPACK_Q(A, a);
+ FP_TO_INT_Q(r, A, 64, 1);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Convert a to 32bit signed integer
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+SItype __fixtfsi(long double a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ SItype r;
+
+ FP_UNPACK_Q(A, a);
+ FP_TO_INT_Q(r, A, 32, 1);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Convert a to 64bit unsigned integer
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "double.h"
+
+UDItype __fixunsdfdi(double a)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A);
+ UDItype r;
+
+ FP_UNPACK_D(A, a);
+ FP_TO_INT_D(r, A, 64, 0);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Convert a to 32bit unsigned integer
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "double.h"
+
+USItype __fixunsdfsi(double a)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A);
+ USItype r;
+
+ FP_UNPACK_D(A, a);
+ FP_TO_INT_D(r, A, 32, 0);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Convert a to 64bit unsigned integer
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+
+UDItype __fixunssfdi(float a)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A);
+ UDItype r;
+
+ FP_UNPACK_S(A, a);
+ FP_TO_INT_S(r, A, 64, 0);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Convert a to 32bit unsigned integer
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+
+USItype __fixunssfsi(float a)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A);
+ USItype r;
+
+ FP_UNPACK_S(A, a);
+ FP_TO_INT_S(r, A, 32, 0);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Convert a to 64bit unsigned integer
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+UDItype __fixunstfdi(long double a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ UDItype r;
+
+ FP_UNPACK_Q(A, a);
+ FP_TO_INT_Q(r, A, 64, 0);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Convert a to 32bit unsigned integer
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+USItype __fixunstfsi(long double a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ USItype r;
+
+ FP_UNPACK_Q(A, a);
+ FP_TO_INT_Q(r, A, 32, 0);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Convert a 64bit signed integer to IEEE double
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "double.h"
+
+double __floatdidf(DItype i)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A);
+ double a;
+
+ FP_FROM_INT_D(A, i, 64, long long);
+ FP_PACK_D(a, A);
+ FP_HANDLE_EXCEPTIONS;
+
+ return a;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Convert a 64bit signed integer to IEEE single
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+
+double __floatdisf(DItype i)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A);
+ float a;
+
+ FP_FROM_INT_S(A, i, 64, long long);
+ FP_PACK_S(a, A);
+ FP_HANDLE_EXCEPTIONS;
+
+ return a;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Convert a 64bit signed integer to IEEE quad
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double __floatditf(DItype i)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ long double a;
+
+ FP_FROM_INT_Q(A, i, 64, long long);
+ FP_PACK_Q(a, A);
+ FP_HANDLE_EXCEPTIONS;
+
+ return a;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Convert a 32bit signed integer to IEEE double
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "double.h"
+
+double __floatsidf(SItype i)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A);
+ double a;
+
+ FP_FROM_INT_D(A, i, 32, int);
+ FP_PACK_D(a, A);
+ FP_HANDLE_EXCEPTIONS;
+
+ return a;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Convert a 32bit signed integer to IEEE single
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+
+float __floatsisf(SItype i)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A);
+ float a;
+
+ FP_FROM_INT_S(A, i, 32, int);
+ FP_PACK_S(a, A);
+ FP_HANDLE_EXCEPTIONS;
+
+ return a;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Convert a 32bit signed integer to IEEE quad
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double __floatsitf(SItype i)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ long double a;
+
+ FP_FROM_INT_Q(A, i, 32, int);
+ FP_PACK_Q(a, A);
+ FP_HANDLE_EXCEPTIONS;
+
+ return a;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return 0 iff a == b, 1 iff a > b, -2 iff a ? b, -1 iff a < b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "double.h"
+
+int __gedf2(double a, double b)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A); FP_DECL_D(B);
+ int r;
+
+ FP_UNPACK_RAW_D(A, a);
+ FP_UNPACK_RAW_D(B, b);
+ FP_CMP_D(r, A, B, -2);
+ if (r == -2 && (FP_ISSIGNAN_D(A) || FP_ISSIGNAN_D(B)))
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
+
+strong_alias(__gedf2, __gtdf2);
--- /dev/null
+/* Software floating-point emulation.
+ Return 0 iff a == b, 1 iff a > b, -2 iff a ? b, -1 iff a < b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+
+int __gesf2(float a, float b)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A); FP_DECL_S(B);
+ int r;
+
+ FP_UNPACK_RAW_S(A, a);
+ FP_UNPACK_RAW_S(B, b);
+ FP_CMP_S(r, A, B, -2);
+ if (r == -2 && (FP_ISSIGNAN_S(A) || FP_ISSIGNAN_S(B)))
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
+
+strong_alias(__gesf2, __gtsf2);
--- /dev/null
+/* Software floating-point emulation.
+ Return 0 iff a == b, 1 iff a > b, -2 iff a ? b, -1 iff a < b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+int __getf2(long double a, long double b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B);
+ int r;
+
+ FP_UNPACK_RAW_Q(A, a);
+ FP_UNPACK_RAW_Q(B, b);
+ FP_CMP_Q(r, A, B, -2);
+ if (r == -2 && (FP_ISSIGNAN_Q(A) || FP_ISSIGNAN_Q(B)))
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
+
+strong_alias(__getf2, __gttf2);
--- /dev/null
+/* Software floating-point emulation.
+ Return 0 iff a == b, 1 iff a > b, 2 iff a ? b, -1 iff a < b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "double.h"
+
+int __ledf2(double a, double b)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A); FP_DECL_D(B);
+ int r;
+
+ FP_UNPACK_RAW_D(A, a);
+ FP_UNPACK_RAW_D(B, b);
+ FP_CMP_D(r, A, B, 2);
+ if (r == 2 && (FP_ISSIGNAN_D(A) || FP_ISSIGNAN_D(B)))
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
+
+strong_alias(__ledf2, __ltdf2);
--- /dev/null
+/* Software floating-point emulation.
+ Return 0 iff a == b, 1 iff a > b, 2 iff a ? b, -1 iff a < b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+
+int __lesf2(float a, float b)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A); FP_DECL_S(B);
+ int r;
+
+ FP_UNPACK_RAW_S(A, a);
+ FP_UNPACK_RAW_S(B, b);
+ FP_CMP_S(r, A, B, 2);
+ if (r == 2 && (FP_ISSIGNAN_S(A) || FP_ISSIGNAN_S(B)))
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
+
+strong_alias(__lesf2, __ltsf2);
--- /dev/null
+/* Software floating-point emulation.
+ Return 0 iff a == b, 1 iff a > b, 2 iff a ? b, -1 iff a < b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+int __letf2(long double a, long double b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B);
+ int r;
+
+ FP_UNPACK_RAW_Q(A, a);
+ FP_UNPACK_RAW_Q(B, b);
+ FP_CMP_Q(r, A, B, 2);
+ if (r == 2 && (FP_ISSIGNAN_Q(A) || FP_ISSIGNAN_Q(B)))
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
+
+strong_alias(__letf2, __lttf2);
--- /dev/null
+/* Software floating-point emulation.
+ Return a * b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "double.h"
+
+double __muldf3(double a, double b)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A); FP_DECL_D(B); FP_DECL_D(R);
+ double r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_D(A, a);
+ FP_UNPACK_D(B, b);
+ FP_MUL_D(R, A, B);
+ FP_PACK_D(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return a * b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+
+float __mulsf3(float a, float b)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A); FP_DECL_S(B); FP_DECL_S(R);
+ float r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_S(A, a);
+ FP_UNPACK_S(B, b);
+ FP_MUL_S(R, A, B);
+ FP_PACK_S(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return a * b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double __multf3(long double a, long double b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(R);
+ long double r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_Q(A, a);
+ FP_UNPACK_Q(B, b);
+ FP_MUL_Q(R, A, B);
+ FP_PACK_Q(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return -a
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "double.h"
+
+double __negdf2(double a)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A); FP_DECL_D(R);
+ double r;
+
+ FP_UNPACK_D(A, a);
+ FP_NEG_D(R, A);
+ FP_PACK_D(r, R);
+ FP_CLEAR_EXCEPTIONS;
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return -a
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+
+float __negsf2(float a)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A); FP_DECL_S(R);
+ float r;
+
+ FP_UNPACK_S(A, a);
+ FP_NEG_S(R, A);
+ FP_PACK_S(r, R);
+ FP_CLEAR_EXCEPTIONS;
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return -a
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double __negtf2(long double a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(R);
+ long double r;
+
+ FP_UNPACK_Q(A, a);
+ FP_NEG_Q(R, A);
+ FP_PACK_Q(r, R);
+ FP_CLEAR_EXCEPTIONS;
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Basic one-word fraction declaration and manipulation.
+ 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. */
+
+#define _FP_FRAC_DECL_1(X) _FP_W_TYPE X##_f
+#define _FP_FRAC_COPY_1(D,S) (D##_f = S##_f)
+#define _FP_FRAC_SET_1(X,I) (X##_f = I)
+#define _FP_FRAC_HIGH_1(X) (X##_f)
+#define _FP_FRAC_LOW_1(X) (X##_f)
+#define _FP_FRAC_WORD_1(X,w) (X##_f)
+
+#define _FP_FRAC_ADDI_1(X,I) (X##_f += I)
+#define _FP_FRAC_SLL_1(X,N) \
+ do { \
+ if (__builtin_constant_p(N) && (N) == 1) \
+ X##_f += X##_f; \
+ else \
+ X##_f <<= (N); \
+ } while (0)
+#define _FP_FRAC_SRL_1(X,N) (X##_f >>= N)
+
+/* Right shift with sticky-lsb. */
+#define _FP_FRAC_SRS_1(X,N,sz) __FP_FRAC_SRS_1(X##_f, N, sz)
+
+#define __FP_FRAC_SRS_1(X,N,sz) \
+ (X = (X >> (N) | (__builtin_constant_p(N) && (N) == 1 \
+ ? X & 1 : (X << (_FP_W_TYPE_SIZE - (N))) != 0)))
+
+#define _FP_FRAC_ADD_1(R,X,Y) (R##_f = X##_f + Y##_f)
+#define _FP_FRAC_SUB_1(R,X,Y) (R##_f = X##_f - Y##_f)
+#define _FP_FRAC_DEC_1(X,Y) (X##_f -= Y##_f)
+#define _FP_FRAC_CLZ_1(z, X) __FP_CLZ(z, X##_f)
+
+/* Predicates */
+#define _FP_FRAC_NEGP_1(X) ((_FP_WS_TYPE)X##_f < 0)
+#define _FP_FRAC_ZEROP_1(X) (X##_f == 0)
+#define _FP_FRAC_OVERP_1(fs,X) (X##_f & _FP_OVERFLOW_##fs)
+#define _FP_FRAC_EQ_1(X, Y) (X##_f == Y##_f)
+#define _FP_FRAC_GE_1(X, Y) (X##_f >= Y##_f)
+#define _FP_FRAC_GT_1(X, Y) (X##_f > Y##_f)
+
+#define _FP_ZEROFRAC_1 0
+#define _FP_MINFRAC_1 1
+#define _FP_MAXFRAC_1 (~(_FP_WS_TYPE)0)
+
+/*
+ * Unpack the raw bits of a native fp value. Do not classify or
+ * normalize the data.
+ */
+
+#define _FP_UNPACK_RAW_1(fs, X, val) \
+ do { \
+ union _FP_UNION_##fs _flo; _flo.flt = (val); \
+ \
+ X##_f = _flo.bits.frac; \
+ X##_e = _flo.bits.exp; \
+ X##_s = _flo.bits.sign; \
+ } while (0)
+
+#define _FP_UNPACK_RAW_1_P(fs, X, val) \
+ do { \
+ union _FP_UNION_##fs *_flo = \
+ (union _FP_UNION_##fs *)(val); \
+ \
+ X##_f = _flo->bits.frac; \
+ X##_e = _flo->bits.exp; \
+ X##_s = _flo->bits.sign; \
+ } while (0)
+
+/*
+ * Repack the raw bits of a native fp value.
+ */
+
+#define _FP_PACK_RAW_1(fs, val, X) \
+ do { \
+ union _FP_UNION_##fs _flo; \
+ \
+ _flo.bits.frac = X##_f; \
+ _flo.bits.exp = X##_e; \
+ _flo.bits.sign = X##_s; \
+ \
+ (val) = _flo.flt; \
+ } while (0)
+
+#define _FP_PACK_RAW_1_P(fs, val, X) \
+ do { \
+ union _FP_UNION_##fs *_flo = \
+ (union _FP_UNION_##fs *)(val); \
+ \
+ _flo->bits.frac = X##_f; \
+ _flo->bits.exp = X##_e; \
+ _flo->bits.sign = X##_s; \
+ } while (0)
+
+
+/*
+ * Multiplication algorithms:
+ */
+
+/* Basic. Assuming the host word size is >= 2*FRACBITS, we can do the
+ multiplication immediately. */
+
+#define _FP_MUL_MEAT_1_imm(wfracbits, R, X, Y) \
+ do { \
+ R##_f = X##_f * Y##_f; \
+ /* Normalize since we know where the msb of the multiplicands \
+ were (bit B), we know that the msb of the of the product is \
+ at either 2B or 2B-1. */ \
+ _FP_FRAC_SRS_1(R, wfracbits-1, 2*wfracbits); \
+ } while (0)
+
+/* Given a 1W * 1W => 2W primitive, do the extended multiplication. */
+
+#define _FP_MUL_MEAT_1_wide(wfracbits, R, X, Y, doit) \
+ do { \
+ _FP_W_TYPE _Z_f0, _Z_f1; \
+ doit(_Z_f1, _Z_f0, X##_f, Y##_f); \
+ /* Normalize since we know where the msb of the multiplicands \
+ were (bit B), we know that the msb of the of the product is \
+ at either 2B or 2B-1. */ \
+ _FP_FRAC_SRS_2(_Z, wfracbits-1, 2*wfracbits); \
+ R##_f = _Z_f0; \
+ } while (0)
+
+/* Finally, a simple widening multiply algorithm. What fun! */
+
+#define _FP_MUL_MEAT_1_hard(wfracbits, R, X, Y) \
+ do { \
+ _FP_W_TYPE _xh, _xl, _yh, _yl, _z_f0, _z_f1, _a_f0, _a_f1; \
+ \
+ /* split the words in half */ \
+ _xh = X##_f >> (_FP_W_TYPE_SIZE/2); \
+ _xl = X##_f & (((_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE/2)) - 1); \
+ _yh = Y##_f >> (_FP_W_TYPE_SIZE/2); \
+ _yl = Y##_f & (((_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE/2)) - 1); \
+ \
+ /* multiply the pieces */ \
+ _z_f0 = _xl * _yl; \
+ _a_f0 = _xh * _yl; \
+ _a_f1 = _xl * _yh; \
+ _z_f1 = _xh * _yh; \
+ \
+ /* reassemble into two full words */ \
+ if ((_a_f0 += _a_f1) < _a_f1) \
+ _z_f1 += (_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE/2); \
+ _a_f1 = _a_f0 >> (_FP_W_TYPE_SIZE/2); \
+ _a_f0 = _a_f0 << (_FP_W_TYPE_SIZE/2); \
+ _FP_FRAC_ADD_2(_z, _z, _a); \
+ \
+ /* normalize */ \
+ _FP_FRAC_SRS_2(_z, wfracbits - 1, 2*wfracbits); \
+ R##_f = _z_f0; \
+ } while (0)
+
+
+/*
+ * Division algorithms:
+ */
+
+/* Basic. Assuming the host word size is >= 2*FRACBITS, we can do the
+ division immediately. Give this macro either _FP_DIV_HELP_imm for
+ C primitives or _FP_DIV_HELP_ldiv for the ISO function. Which you
+ choose will depend on what the compiler does with divrem4. */
+
+#define _FP_DIV_MEAT_1_imm(fs, R, X, Y, doit) \
+ do { \
+ _FP_W_TYPE _q, _r; \
+ X##_f <<= (X##_f < Y##_f \
+ ? R##_e--, _FP_WFRACBITS_##fs \
+ : _FP_WFRACBITS_##fs - 1); \
+ doit(_q, _r, X##_f, Y##_f); \
+ R##_f = _q | (_r != 0); \
+ } while (0)
+
+/* GCC's longlong.h defines a 2W / 1W => (1W,1W) primitive udiv_qrnnd
+ that may be useful in this situation. This first is for a primitive
+ that requires normalization, the second for one that does not. Look
+ for UDIV_NEEDS_NORMALIZATION to tell which your machine needs. */
+
+#define _FP_DIV_MEAT_1_udiv_norm(fs, R, X, Y) \
+ do { \
+ _FP_W_TYPE _nh, _nl, _q, _r; \
+ \
+ /* Normalize Y -- i.e. make the most significant bit set. */ \
+ Y##_f <<= _FP_WFRACXBITS_##fs - 1; \
+ \
+ /* Shift X op correspondingly high, that is, up one full word. */ \
+ if (X##_f <= Y##_f) \
+ { \
+ _nl = 0; \
+ _nh = X##_f; \
+ } \
+ else \
+ { \
+ R##_e++; \
+ _nl = X##_f << (_FP_W_TYPE_SIZE-1); \
+ _nh = X##_f >> 1; \
+ } \
+ \
+ udiv_qrnnd(_q, _r, _nh, _nl, Y##_f); \
+ R##_f = _q | (_r != 0); \
+ } while (0)
+
+#define _FP_DIV_MEAT_1_udiv(fs, R, X, Y) \
+ do { \
+ _FP_W_TYPE _nh, _nl, _q, _r; \
+ if (X##_f < Y##_f) \
+ { \
+ R##_e--; \
+ _nl = X##_f << _FP_WFRACBITS_##fs; \
+ _nh = X##_f >> _FP_WFRACXBITS_##fs; \
+ } \
+ else \
+ { \
+ _nl = X##_f << (_FP_WFRACBITS_##fs - 1); \
+ _nh = X##_f >> (_FP_WFRACXBITS_##fs + 1); \
+ } \
+ udiv_qrnnd(_q, _r, _nh, _nl, Y##_f); \
+ R##_f = _q | (_r != 0); \
+ } while (0)
+
+
+/*
+ * Square root algorithms:
+ * We have just one right now, maybe Newton approximation
+ * should be added for those machines where division is fast.
+ */
+
+#define _FP_SQRT_MEAT_1(R, S, T, X, q) \
+ do { \
+ while (q != _FP_WORK_ROUND) \
+ { \
+ T##_f = S##_f + q; \
+ if (T##_f <= X##_f) \
+ { \
+ S##_f = T##_f + q; \
+ X##_f -= T##_f; \
+ R##_f += q; \
+ } \
+ _FP_FRAC_SLL_1(X, 1); \
+ q >>= 1; \
+ } \
+ if (X##_f) \
+ { \
+ if (S##_f < X##_f) \
+ R##_f |= _FP_WORK_ROUND; \
+ R##_f |= _FP_WORK_STICKY; \
+ } \
+ } while (0)
+
+/*
+ * Assembly/disassembly for converting to/from integral types.
+ * No shifting or overflow handled here.
+ */
+
+#define _FP_FRAC_ASSEMBLE_1(r, X, rsize) (r = X##_f)
+#define _FP_FRAC_DISASSEMBLE_1(X, r, rsize) (X##_f = r)
+
+
+/*
+ * Convert FP values between word sizes
+ */
+
+#define _FP_FRAC_CONV_1_1(dfs, sfs, D, S) \
+ do { \
+ D##_f = S##_f; \
+ if (_FP_WFRACBITS_##sfs > _FP_WFRACBITS_##dfs) \
+ { \
+ if (S##_c != FP_CLS_NAN) \
+ _FP_FRAC_SRS_1(D, (_FP_WFRACBITS_##sfs-_FP_WFRACBITS_##dfs), \
+ _FP_WFRACBITS_##sfs); \
+ else \
+ _FP_FRAC_SRL_1(D, (_FP_WFRACBITS_##sfs-_FP_WFRACBITS_##dfs)); \
+ } \
+ else \
+ D##_f <<= _FP_WFRACBITS_##dfs - _FP_WFRACBITS_##sfs; \
+ } while (0)
--- /dev/null
+/* Software floating-point emulation.
+ Basic two-word fraction declaration and manipulation.
+ 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. */
+
+#define _FP_FRAC_DECL_2(X) _FP_W_TYPE X##_f0, X##_f1
+#define _FP_FRAC_COPY_2(D,S) (D##_f0 = S##_f0, D##_f1 = S##_f1)
+#define _FP_FRAC_SET_2(X,I) __FP_FRAC_SET_2(X, I)
+#define _FP_FRAC_HIGH_2(X) (X##_f1)
+#define _FP_FRAC_LOW_2(X) (X##_f0)
+#define _FP_FRAC_WORD_2(X,w) (X##_f##w)
+
+#define _FP_FRAC_SLL_2(X,N) \
+ do { \
+ if ((N) < _FP_W_TYPE_SIZE) \
+ { \
+ if (__builtin_constant_p(N) && (N) == 1) \
+ { \
+ X##_f1 = X##_f1 + X##_f1 + (((_FP_WS_TYPE)(X##_f0)) < 0); \
+ X##_f0 += X##_f0; \
+ } \
+ else \
+ { \
+ X##_f1 = X##_f1 << (N) | X##_f0 >> (_FP_W_TYPE_SIZE - (N)); \
+ X##_f0 <<= (N); \
+ } \
+ } \
+ else \
+ { \
+ X##_f1 = X##_f0 << ((N) - _FP_W_TYPE_SIZE); \
+ X##_f0 = 0; \
+ } \
+ } while (0)
+
+#define _FP_FRAC_SRL_2(X,N) \
+ do { \
+ if ((N) < _FP_W_TYPE_SIZE) \
+ { \
+ X##_f0 = X##_f0 >> (N) | X##_f1 << (_FP_W_TYPE_SIZE - (N)); \
+ X##_f1 >>= (N); \
+ } \
+ else \
+ { \
+ X##_f0 = X##_f1 >> ((N) - _FP_W_TYPE_SIZE); \
+ X##_f1 = 0; \
+ } \
+ } while (0)
+
+/* Right shift with sticky-lsb. */
+#define _FP_FRAC_SRS_2(X,N,sz) \
+ do { \
+ if ((N) < _FP_W_TYPE_SIZE) \
+ { \
+ X##_f0 = (X##_f1 << (_FP_W_TYPE_SIZE - (N)) | X##_f0 >> (N) | \
+ (__builtin_constant_p(N) && (N) == 1 \
+ ? X##_f0 & 1 \
+ : (X##_f0 << (_FP_W_TYPE_SIZE - (N))) != 0)); \
+ X##_f1 >>= (N); \
+ } \
+ else \
+ { \
+ X##_f0 = (X##_f1 >> ((N) - _FP_W_TYPE_SIZE) | \
+ (((X##_f1 << (sz - (N))) | X##_f0) != 0)); \
+ X##_f1 = 0; \
+ } \
+ } while (0)
+
+#define _FP_FRAC_ADDI_2(X,I) \
+ __FP_FRAC_ADDI_2(X##_f1, X##_f0, I)
+
+#define _FP_FRAC_ADD_2(R,X,Y) \
+ __FP_FRAC_ADD_2(R##_f1, R##_f0, X##_f1, X##_f0, Y##_f1, Y##_f0)
+
+#define _FP_FRAC_SUB_2(R,X,Y) \
+ __FP_FRAC_SUB_2(R##_f1, R##_f0, X##_f1, X##_f0, Y##_f1, Y##_f0)
+
+#define _FP_FRAC_DEC_2(X,Y) \
+ __FP_FRAC_DEC_2(X##_f1, X##_f0, Y##_f1, Y##_f0)
+
+#define _FP_FRAC_CLZ_2(R,X) \
+ do { \
+ if (X##_f1) \
+ __FP_CLZ(R,X##_f1); \
+ else \
+ { \
+ __FP_CLZ(R,X##_f0); \
+ R += _FP_W_TYPE_SIZE; \
+ } \
+ } while(0)
+
+/* Predicates */
+#define _FP_FRAC_NEGP_2(X) ((_FP_WS_TYPE)X##_f1 < 0)
+#define _FP_FRAC_ZEROP_2(X) ((X##_f1 | X##_f0) == 0)
+#define _FP_FRAC_OVERP_2(fs,X) (_FP_FRAC_HIGH_##fs(X) & _FP_OVERFLOW_##fs)
+#define _FP_FRAC_EQ_2(X, Y) (X##_f1 == Y##_f1 && X##_f0 == Y##_f0)
+#define _FP_FRAC_GT_2(X, Y) \
+ (X##_f1 > Y##_f1 || X##_f1 == Y##_f1 && X##_f0 > Y##_f0)
+#define _FP_FRAC_GE_2(X, Y) \
+ (X##_f1 > Y##_f1 || X##_f1 == Y##_f1 && X##_f0 >= Y##_f0)
+
+#define _FP_ZEROFRAC_2 0, 0
+#define _FP_MINFRAC_2 0, 1
+#define _FP_MAXFRAC_2 (~(_FP_WS_TYPE)0), (~(_FP_WS_TYPE)0)
+
+/*
+ * Internals
+ */
+
+#define __FP_FRAC_SET_2(X,I1,I0) (X##_f0 = I0, X##_f1 = I1)
+
+#define __FP_CLZ_2(R, xh, xl) \
+ do { \
+ if (xh) \
+ __FP_CLZ(R,xh); \
+ else \
+ { \
+ __FP_CLZ(R,xl); \
+ R += _FP_W_TYPE_SIZE; \
+ } \
+ } while(0)
+
+#if 0
+
+#ifndef __FP_FRAC_ADDI_2
+#define __FP_FRAC_ADDI_2(xh, xl, i) \
+ (xh += ((xl += i) < i))
+#endif
+#ifndef __FP_FRAC_ADD_2
+#define __FP_FRAC_ADD_2(rh, rl, xh, xl, yh, yl) \
+ (rh = xh + yh + ((rl = xl + yl) < xl))
+#endif
+#ifndef __FP_FRAC_SUB_2
+#define __FP_FRAC_SUB_2(rh, rl, xh, xl, yh, yl) \
+ (rh = xh - yh - ((rl = xl - yl) > xl))
+#endif
+#ifndef __FP_FRAC_DEC_2
+#define __FP_FRAC_DEC_2(xh, xl, yh, yl) \
+ do { \
+ UWtype _t = xl; \
+ xh -= yh + ((xl -= yl) > _t); \
+ } while (0)
+#endif
+
+#else
+
+#undef __FP_FRAC_ADDI_2
+#define __FP_FRAC_ADDI_2(xh, xl, i) add_ssaaaa(xh, xl, xh, xl, 0, i)
+#undef __FP_FRAC_ADD_2
+#define __FP_FRAC_ADD_2 add_ssaaaa
+#undef __FP_FRAC_SUB_2
+#define __FP_FRAC_SUB_2 sub_ddmmss
+#undef __FP_FRAC_DEC_2
+#define __FP_FRAC_DEC_2(xh, xl, yh, yl) sub_ddmmss(xh, xl, xh, xl, yh, yl)
+
+#endif
+
+/*
+ * Unpack the raw bits of a native fp value. Do not classify or
+ * normalize the data.
+ */
+
+#define _FP_UNPACK_RAW_2(fs, X, val) \
+ do { \
+ union _FP_UNION_##fs _flo; _flo.flt = (val); \
+ \
+ X##_f0 = _flo.bits.frac0; \
+ X##_f1 = _flo.bits.frac1; \
+ X##_e = _flo.bits.exp; \
+ X##_s = _flo.bits.sign; \
+ } while (0)
+
+#define _FP_UNPACK_RAW_2_P(fs, X, val) \
+ do { \
+ union _FP_UNION_##fs *_flo = \
+ (union _FP_UNION_##fs *)(val); \
+ \
+ X##_f0 = _flo->bits.frac0; \
+ X##_f1 = _flo->bits.frac1; \
+ X##_e = _flo->bits.exp; \
+ X##_s = _flo->bits.sign; \
+ } while (0)
+
+
+/*
+ * Repack the raw bits of a native fp value.
+ */
+
+#define _FP_PACK_RAW_2(fs, val, X) \
+ do { \
+ union _FP_UNION_##fs _flo; \
+ \
+ _flo.bits.frac0 = X##_f0; \
+ _flo.bits.frac1 = X##_f1; \
+ _flo.bits.exp = X##_e; \
+ _flo.bits.sign = X##_s; \
+ \
+ (val) = _flo.flt; \
+ } while (0)
+
+#define _FP_PACK_RAW_2_P(fs, val, X) \
+ do { \
+ union _FP_UNION_##fs *_flo = \
+ (union _FP_UNION_##fs *)(val); \
+ \
+ _flo->bits.frac0 = X##_f0; \
+ _flo->bits.frac1 = X##_f1; \
+ _flo->bits.exp = X##_e; \
+ _flo->bits.sign = X##_s; \
+ } while (0)
+
+
+/*
+ * Multiplication algorithms:
+ */
+
+/* Given a 1W * 1W => 2W primitive, do the extended multiplication. */
+
+#define _FP_MUL_MEAT_2_wide(wfracbits, R, X, Y, doit) \
+ do { \
+ _FP_FRAC_DECL_4(_z); _FP_FRAC_DECL_2(_b); _FP_FRAC_DECL_2(_c); \
+ \
+ doit(_FP_FRAC_WORD_4(_z,1), _FP_FRAC_WORD_4(_z,0), X##_f0, Y##_f0); \
+ doit(_b_f1, _b_f0, X##_f0, Y##_f1); \
+ doit(_c_f1, _c_f0, X##_f1, Y##_f0); \
+ doit(_FP_FRAC_WORD_4(_z,3), _FP_FRAC_WORD_4(_z,2), X##_f1, Y##_f1); \
+ \
+ __FP_FRAC_ADD_3(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \
+ _FP_FRAC_WORD_4(_z,1), 0, _b_f1, _b_f0, \
+ _FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \
+ _FP_FRAC_WORD_4(_z,1)); \
+ __FP_FRAC_ADD_3(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \
+ _FP_FRAC_WORD_4(_z,1), 0, _c_f1, _c_f0, \
+ _FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \
+ _FP_FRAC_WORD_4(_z,1)); \
+ \
+ /* Normalize since we know where the msb of the multiplicands \
+ were (bit B), we know that the msb of the of the product is \
+ at either 2B or 2B-1. */ \
+ _FP_FRAC_SRS_4(_z, wfracbits-1, 2*wfracbits); \
+ R##_f0 = _FP_FRAC_WORD_4(_z,0); \
+ R##_f1 = _FP_FRAC_WORD_4(_z,1); \
+ } while (0)
+
+/* Given a 1W * 1W => 2W primitive, do the extended multiplication.
+ Do only 3 multiplications instead of four. This one is for machines
+ where multiplication is much more expensive than subtraction. */
+
+#define _FP_MUL_MEAT_2_wide_3mul(wfracbits, R, X, Y, doit) \
+ do { \
+ _FP_FRAC_DECL_4(_z); _FP_FRAC_DECL_2(_b); _FP_FRAC_DECL_2(_c); \
+ _FP_W_TYPE _d; \
+ int _c1, _c2; \
+ \
+ _b_f0 = X##_f0 + X##_f1; \
+ _c1 = _b_f0 < X##_f0; \
+ _b_f1 = Y##_f0 + Y##_f1; \
+ _c2 = _b_f1 < Y##_f0; \
+ doit(_d, _FP_FRAC_WORD_4(_z,0), X##_f0, Y##_f0); \
+ doit(_FP_FRAC_WORD_4(_z,2), _FP_FRAC_WORD_4(_z,1), _b_f0, _b_f1); \
+ doit(_c_f1, _c_f0, X##_f1, Y##_f1); \
+ \
+ _b_f0 &= -_c2; \
+ _b_f1 &= -_c1; \
+ __FP_FRAC_ADD_3(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \
+ _FP_FRAC_WORD_4(_z,1), (_c1 & _c2), 0, _d, \
+ 0, _FP_FRAC_WORD_4(_z,2), _FP_FRAC_WORD_4(_z,1)); \
+ __FP_FRAC_ADDI_2(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \
+ _b_f0); \
+ __FP_FRAC_ADDI_2(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \
+ _b_f1); \
+ __FP_FRAC_DEC_3(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \
+ _FP_FRAC_WORD_4(_z,1), \
+ 0, _d, _FP_FRAC_WORD_4(_z,0)); \
+ __FP_FRAC_DEC_3(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \
+ _FP_FRAC_WORD_4(_z,1), 0, _c_f1, _c_f0); \
+ __FP_FRAC_ADD_2(_FP_FRAC_WORD_4(_z,3), _FP_FRAC_WORD_4(_z,2), \
+ _c_f1, _c_f0, \
+ _FP_FRAC_WORD_4(_z,3), _FP_FRAC_WORD_4(_z,2)); \
+ \
+ /* Normalize since we know where the msb of the multiplicands \
+ were (bit B), we know that the msb of the of the product is \
+ at either 2B or 2B-1. */ \
+ _FP_FRAC_SRS_4(_z, wfracbits-1, 2*wfracbits); \
+ R##_f0 = _FP_FRAC_WORD_4(_z,0); \
+ R##_f1 = _FP_FRAC_WORD_4(_z,1); \
+ } while (0)
+
+#define _FP_MUL_MEAT_2_gmp(wfracbits, R, X, Y) \
+ do { \
+ _FP_FRAC_DECL_4(_z); \
+ _FP_W_TYPE _x[2], _y[2]; \
+ _x[0] = X##_f0; _x[1] = X##_f1; \
+ _y[0] = Y##_f0; _y[1] = Y##_f1; \
+ \
+ mpn_mul_n(_z_f, _x, _y, 2); \
+ \
+ /* Normalize since we know where the msb of the multiplicands \
+ were (bit B), we know that the msb of the of the product is \
+ at either 2B or 2B-1. */ \
+ _FP_FRAC_SRS_4(_z, wfracbits-1, 2*wfracbits); \
+ R##_f0 = _z_f[0]; \
+ R##_f1 = _z_f[1]; \
+ } while (0)
+
+/* Do at most 120x120=240 bits multiplication using double floating
+ point multiplication. This is useful if floating point
+ multiplication has much bigger throughput than integer multiply.
+ It is supposed to work for _FP_W_TYPE_SIZE 64 and wfracbits
+ between 106 and 120 only.
+ Caller guarantees that X and Y has (1LLL << (wfracbits - 1)) set.
+ SETFETZ is a macro which will disable all FPU exceptions and set rounding
+ towards zero, RESETFE should optionally reset it back. */
+
+#define _FP_MUL_MEAT_2_120_240_double(wfracbits, R, X, Y, setfetz, resetfe) \
+ do { \
+ static const double _const[] = { \
+ /* 2^-24 */ 5.9604644775390625e-08, \
+ /* 2^-48 */ 3.5527136788005009e-15, \
+ /* 2^-72 */ 2.1175823681357508e-22, \
+ /* 2^-96 */ 1.2621774483536189e-29, \
+ /* 2^28 */ 2.68435456e+08, \
+ /* 2^4 */ 1.600000e+01, \
+ /* 2^-20 */ 9.5367431640625e-07, \
+ /* 2^-44 */ 5.6843418860808015e-14, \
+ /* 2^-68 */ 3.3881317890172014e-21, \
+ /* 2^-92 */ 2.0194839173657902e-28, \
+ /* 2^-116 */ 1.2037062152420224e-35}; \
+ double _a240, _b240, _c240, _d240, _e240, _f240, \
+ _g240, _h240, _i240, _j240, _k240; \
+ union { double d; UDItype i; } _l240, _m240, _n240, _o240, \
+ _p240, _q240, _r240, _s240; \
+ UDItype _t240, _u240, _v240, _w240, _x240, _y240 = 0; \
+ \
+ if (wfracbits < 106 || wfracbits > 120) \
+ abort(); \
+ \
+ setfetz; \
+ \
+ _e240 = (double)(long)(X##_f0 & 0xffffff); \
+ _j240 = (double)(long)(Y##_f0 & 0xffffff); \
+ _d240 = (double)(long)((X##_f0 >> 24) & 0xffffff); \
+ _i240 = (double)(long)((Y##_f0 >> 24) & 0xffffff); \
+ _c240 = (double)(long)(((X##_f1 << 16) & 0xffffff) | (X##_f0 >> 48)); \
+ _h240 = (double)(long)(((Y##_f1 << 16) & 0xffffff) | (Y##_f0 >> 48)); \
+ _b240 = (double)(long)((X##_f1 >> 8) & 0xffffff); \
+ _g240 = (double)(long)((Y##_f1 >> 8) & 0xffffff); \
+ _a240 = (double)(long)(X##_f1 >> 32); \
+ _f240 = (double)(long)(Y##_f1 >> 32); \
+ _e240 *= _const[3]; \
+ _j240 *= _const[3]; \
+ _d240 *= _const[2]; \
+ _i240 *= _const[2]; \
+ _c240 *= _const[1]; \
+ _h240 *= _const[1]; \
+ _b240 *= _const[0]; \
+ _g240 *= _const[0]; \
+ _s240.d = _e240*_j240;\
+ _r240.d = _d240*_j240 + _e240*_i240;\
+ _q240.d = _c240*_j240 + _d240*_i240 + _e240*_h240;\
+ _p240.d = _b240*_j240 + _c240*_i240 + _d240*_h240 + _e240*_g240;\
+ _o240.d = _a240*_j240 + _b240*_i240 + _c240*_h240 + _d240*_g240 + _e240*_f240;\
+ _n240.d = _a240*_i240 + _b240*_h240 + _c240*_g240 + _d240*_f240; \
+ _m240.d = _a240*_h240 + _b240*_g240 + _c240*_f240; \
+ _l240.d = _a240*_g240 + _b240*_f240; \
+ _k240 = _a240*_f240; \
+ _r240.d += _s240.d; \
+ _q240.d += _r240.d; \
+ _p240.d += _q240.d; \
+ _o240.d += _p240.d; \
+ _n240.d += _o240.d; \
+ _m240.d += _n240.d; \
+ _l240.d += _m240.d; \
+ _k240 += _l240.d; \
+ _s240.d -= ((_const[10]+_s240.d)-_const[10]); \
+ _r240.d -= ((_const[9]+_r240.d)-_const[9]); \
+ _q240.d -= ((_const[8]+_q240.d)-_const[8]); \
+ _p240.d -= ((_const[7]+_p240.d)-_const[7]); \
+ _o240.d += _const[7]; \
+ _n240.d += _const[6]; \
+ _m240.d += _const[5]; \
+ _l240.d += _const[4]; \
+ if (_s240.d != 0.0) _y240 = 1; \
+ if (_r240.d != 0.0) _y240 = 1; \
+ if (_q240.d != 0.0) _y240 = 1; \
+ if (_p240.d != 0.0) _y240 = 1; \
+ _t240 = (DItype)_k240; \
+ _u240 = _l240.i; \
+ _v240 = _m240.i; \
+ _w240 = _n240.i; \
+ _x240 = _o240.i; \
+ R##_f1 = (_t240 << (128 - (wfracbits - 1))) \
+ | ((_u240 & 0xffffff) >> ((wfracbits - 1) - 104)); \
+ R##_f0 = ((_u240 & 0xffffff) << (168 - (wfracbits - 1))) \
+ | ((_v240 & 0xffffff) << (144 - (wfracbits - 1))) \
+ | ((_w240 & 0xffffff) << (120 - (wfracbits - 1))) \
+ | ((_x240 & 0xffffff) >> ((wfracbits - 1) - 96)) \
+ | _y240; \
+ resetfe; \
+ } while (0)
+
+/*
+ * Division algorithms:
+ */
+
+#define _FP_DIV_MEAT_2_udiv(fs, R, X, Y) \
+ do { \
+ _FP_W_TYPE _n_f2, _n_f1, _n_f0, _r_f1, _r_f0, _m_f1, _m_f0; \
+ if (_FP_FRAC_GT_2(X, Y)) \
+ { \
+ _n_f2 = X##_f1 >> 1; \
+ _n_f1 = X##_f1 << (_FP_W_TYPE_SIZE - 1) | X##_f0 >> 1; \
+ _n_f0 = X##_f0 << (_FP_W_TYPE_SIZE - 1); \
+ } \
+ else \
+ { \
+ R##_e--; \
+ _n_f2 = X##_f1; \
+ _n_f1 = X##_f0; \
+ _n_f0 = 0; \
+ } \
+ \
+ /* Normalize, i.e. make the most significant bit of the \
+ denominator set. */ \
+ _FP_FRAC_SLL_2(Y, _FP_WFRACXBITS_##fs); \
+ \
+ udiv_qrnnd(R##_f1, _r_f1, _n_f2, _n_f1, Y##_f1); \
+ umul_ppmm(_m_f1, _m_f0, R##_f1, Y##_f0); \
+ _r_f0 = _n_f0; \
+ if (_FP_FRAC_GT_2(_m, _r)) \
+ { \
+ R##_f1--; \
+ _FP_FRAC_ADD_2(_r, Y, _r); \
+ if (_FP_FRAC_GE_2(_r, Y) && _FP_FRAC_GT_2(_m, _r)) \
+ { \
+ R##_f1--; \
+ _FP_FRAC_ADD_2(_r, Y, _r); \
+ } \
+ } \
+ _FP_FRAC_DEC_2(_r, _m); \
+ \
+ if (_r_f1 == Y##_f1) \
+ { \
+ /* This is a special case, not an optimization \
+ (_r/Y##_f1 would not fit into UWtype). \
+ As _r is guaranteed to be < Y, R##_f0 can be either \
+ (UWtype)-1 or (UWtype)-2. But as we know what kind \
+ of bits it is (sticky, guard, round), we don't care. \
+ We also don't care what the reminder is, because the \
+ guard bit will be set anyway. -jj */ \
+ R##_f0 = -1; \
+ } \
+ else \
+ { \
+ udiv_qrnnd(R##_f0, _r_f1, _r_f1, _r_f0, Y##_f1); \
+ umul_ppmm(_m_f1, _m_f0, R##_f0, Y##_f0); \
+ _r_f0 = 0; \
+ if (_FP_FRAC_GT_2(_m, _r)) \
+ { \
+ R##_f0--; \
+ _FP_FRAC_ADD_2(_r, Y, _r); \
+ if (_FP_FRAC_GE_2(_r, Y) && _FP_FRAC_GT_2(_m, _r)) \
+ { \
+ R##_f0--; \
+ _FP_FRAC_ADD_2(_r, Y, _r); \
+ } \
+ } \
+ if (!_FP_FRAC_EQ_2(_r, _m)) \
+ R##_f0 |= _FP_WORK_STICKY; \
+ } \
+ } while (0)
+
+
+#define _FP_DIV_MEAT_2_gmp(fs, R, X, Y) \
+ do { \
+ _FP_W_TYPE _x[4], _y[2], _z[4]; \
+ _y[0] = Y##_f0; _y[1] = Y##_f1; \
+ _x[0] = _x[3] = 0; \
+ if (_FP_FRAC_GT_2(X, Y)) \
+ { \
+ R##_e++; \
+ _x[1] = (X##_f0 << (_FP_WFRACBITS_##fs-1 - _FP_W_TYPE_SIZE) | \
+ X##_f1 >> (_FP_W_TYPE_SIZE - \
+ (_FP_WFRACBITS_##fs-1 - _FP_W_TYPE_SIZE))); \
+ _x[2] = X##_f1 << (_FP_WFRACBITS_##fs-1 - _FP_W_TYPE_SIZE); \
+ } \
+ else \
+ { \
+ _x[1] = (X##_f0 << (_FP_WFRACBITS_##fs - _FP_W_TYPE_SIZE) | \
+ X##_f1 >> (_FP_W_TYPE_SIZE - \
+ (_FP_WFRACBITS_##fs - _FP_W_TYPE_SIZE))); \
+ _x[2] = X##_f1 << (_FP_WFRACBITS_##fs - _FP_W_TYPE_SIZE); \
+ } \
+ \
+ (void) mpn_divrem (_z, 0, _x, 4, _y, 2); \
+ R##_f1 = _z[1]; \
+ R##_f0 = _z[0] | ((_x[0] | _x[1]) != 0); \
+ } while (0)
+
+
+/*
+ * Square root algorithms:
+ * We have just one right now, maybe Newton approximation
+ * should be added for those machines where division is fast.
+ */
+
+#define _FP_SQRT_MEAT_2(R, S, T, X, q) \
+ do { \
+ while (q) \
+ { \
+ T##_f1 = S##_f1 + q; \
+ if (T##_f1 <= X##_f1) \
+ { \
+ S##_f1 = T##_f1 + q; \
+ X##_f1 -= T##_f1; \
+ R##_f1 += q; \
+ } \
+ _FP_FRAC_SLL_2(X, 1); \
+ q >>= 1; \
+ } \
+ q = (_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE - 1); \
+ while (q != _FP_WORK_ROUND) \
+ { \
+ T##_f0 = S##_f0 + q; \
+ T##_f1 = S##_f1; \
+ if (T##_f1 < X##_f1 || \
+ (T##_f1 == X##_f1 && T##_f0 <= X##_f0)) \
+ { \
+ S##_f0 = T##_f0 + q; \
+ S##_f1 += (T##_f0 > S##_f0); \
+ _FP_FRAC_DEC_2(X, T); \
+ R##_f0 += q; \
+ } \
+ _FP_FRAC_SLL_2(X, 1); \
+ q >>= 1; \
+ } \
+ if (X##_f0 | X##_f1) \
+ { \
+ if (S##_f1 < X##_f1 || \
+ (S##_f1 == X##_f1 && S##_f0 < X##_f0)) \
+ R##_f0 |= _FP_WORK_ROUND; \
+ R##_f0 |= _FP_WORK_STICKY; \
+ } \
+ } while (0)
+
+
+/*
+ * Assembly/disassembly for converting to/from integral types.
+ * No shifting or overflow handled here.
+ */
+
+#define _FP_FRAC_ASSEMBLE_2(r, X, rsize) \
+ do { \
+ if (rsize <= _FP_W_TYPE_SIZE) \
+ r = X##_f0; \
+ else \
+ { \
+ r = X##_f1; \
+ r <<= _FP_W_TYPE_SIZE; \
+ r += X##_f0; \
+ } \
+ } while (0)
+
+#define _FP_FRAC_DISASSEMBLE_2(X, r, rsize) \
+ do { \
+ X##_f0 = r; \
+ X##_f1 = (rsize <= _FP_W_TYPE_SIZE ? 0 : r >> _FP_W_TYPE_SIZE); \
+ } while (0)
+
+/*
+ * Convert FP values between word sizes
+ */
+
+#define _FP_FRAC_CONV_1_2(dfs, sfs, D, S) \
+ do { \
+ if (S##_c != FP_CLS_NAN) \
+ _FP_FRAC_SRS_2(S, (_FP_WFRACBITS_##sfs - _FP_WFRACBITS_##dfs), \
+ _FP_WFRACBITS_##sfs); \
+ else \
+ _FP_FRAC_SRL_2(S, (_FP_WFRACBITS_##sfs - _FP_WFRACBITS_##dfs)); \
+ D##_f = S##_f0; \
+ } while (0)
+
+#define _FP_FRAC_CONV_2_1(dfs, sfs, D, S) \
+ do { \
+ D##_f0 = S##_f; \
+ D##_f1 = 0; \
+ _FP_FRAC_SLL_2(D, (_FP_WFRACBITS_##dfs - _FP_WFRACBITS_##sfs)); \
+ } while (0)
+
--- /dev/null
+/* Software floating-point emulation.
+ Basic four-word fraction declaration and manipulation.
+ 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. */
+
+#define _FP_FRAC_DECL_4(X) _FP_W_TYPE X##_f[4]
+#define _FP_FRAC_COPY_4(D,S) \
+ (D##_f[0] = S##_f[0], D##_f[1] = S##_f[1], \
+ D##_f[2] = S##_f[2], D##_f[3] = S##_f[3])
+#define _FP_FRAC_SET_4(X,I) __FP_FRAC_SET_4(X, I)
+#define _FP_FRAC_HIGH_4(X) (X##_f[3])
+#define _FP_FRAC_LOW_4(X) (X##_f[0])
+#define _FP_FRAC_WORD_4(X,w) (X##_f[w])
+
+#define _FP_FRAC_SLL_4(X,N) \
+ do { \
+ _FP_I_TYPE _up, _down, _skip, _i; \
+ _skip = (N) / _FP_W_TYPE_SIZE; \
+ _up = (N) % _FP_W_TYPE_SIZE; \
+ _down = _FP_W_TYPE_SIZE - _up; \
+ if (!_up) \
+ for (_i = 3; _i >= _skip; --_i) \
+ X##_f[_i] = X##_f[_i-_skip]; \
+ else \
+ { \
+ for (_i = 3; _i > _skip; --_i) \
+ X##_f[_i] = X##_f[_i-_skip] << _up \
+ | X##_f[_i-_skip-1] >> _down; \
+ X##_f[_i--] = X##_f[0] << _up; \
+ } \
+ for (; _i >= 0; --_i) \
+ X##_f[_i] = 0; \
+ } while (0)
+
+/* This one was broken too */
+#define _FP_FRAC_SRL_4(X,N) \
+ do { \
+ _FP_I_TYPE _up, _down, _skip, _i; \
+ _skip = (N) / _FP_W_TYPE_SIZE; \
+ _down = (N) % _FP_W_TYPE_SIZE; \
+ _up = _FP_W_TYPE_SIZE - _down; \
+ if (!_down) \
+ for (_i = 0; _i <= 3-_skip; ++_i) \
+ X##_f[_i] = X##_f[_i+_skip]; \
+ else \
+ { \
+ for (_i = 0; _i < 3-_skip; ++_i) \
+ X##_f[_i] = X##_f[_i+_skip] >> _down \
+ | X##_f[_i+_skip+1] << _up; \
+ X##_f[_i++] = X##_f[3] >> _down; \
+ } \
+ for (; _i < 4; ++_i) \
+ X##_f[_i] = 0; \
+ } while (0)
+
+
+/* Right shift with sticky-lsb.
+ * What this actually means is that we do a standard right-shift,
+ * but that if any of the bits that fall off the right hand side
+ * were one then we always set the LSbit.
+ */
+#define _FP_FRAC_SRS_4(X,N,size) \
+ do { \
+ _FP_I_TYPE _up, _down, _skip, _i; \
+ _FP_W_TYPE _s; \
+ _skip = (N) / _FP_W_TYPE_SIZE; \
+ _down = (N) % _FP_W_TYPE_SIZE; \
+ _up = _FP_W_TYPE_SIZE - _down; \
+ for (_s = _i = 0; _i < _skip; ++_i) \
+ _s |= X##_f[_i]; \
+ _s |= X##_f[_i] << _up; \
+/* s is now != 0 if we want to set the LSbit */ \
+ if (!_down) \
+ for (_i = 0; _i <= 3-_skip; ++_i) \
+ X##_f[_i] = X##_f[_i+_skip]; \
+ else \
+ { \
+ for (_i = 0; _i < 3-_skip; ++_i) \
+ X##_f[_i] = X##_f[_i+_skip] >> _down \
+ | X##_f[_i+_skip+1] << _up; \
+ X##_f[_i++] = X##_f[3] >> _down; \
+ } \
+ for (; _i < 4; ++_i) \
+ X##_f[_i] = 0; \
+ /* don't fix the LSB until the very end when we're sure f[0] is stable */ \
+ X##_f[0] |= (_s != 0); \
+ } while (0)
+
+#define _FP_FRAC_ADD_4(R,X,Y) \
+ __FP_FRAC_ADD_4(R##_f[3], R##_f[2], R##_f[1], R##_f[0], \
+ X##_f[3], X##_f[2], X##_f[1], X##_f[0], \
+ Y##_f[3], Y##_f[2], Y##_f[1], Y##_f[0])
+
+#define _FP_FRAC_SUB_4(R,X,Y) \
+ __FP_FRAC_SUB_4(R##_f[3], R##_f[2], R##_f[1], R##_f[0], \
+ X##_f[3], X##_f[2], X##_f[1], X##_f[0], \
+ Y##_f[3], Y##_f[2], Y##_f[1], Y##_f[0])
+
+#define _FP_FRAC_DEC_4(X,Y) \
+ __FP_FRAC_DEC_4(X##_f[3], X##_f[2], X##_f[1], X##_f[0], \
+ Y##_f[3], Y##_f[2], Y##_f[1], Y##_f[0])
+
+#define _FP_FRAC_ADDI_4(X,I) \
+ __FP_FRAC_ADDI_4(X##_f[3], X##_f[2], X##_f[1], X##_f[0], I)
+
+#define _FP_ZEROFRAC_4 0,0,0,0
+#define _FP_MINFRAC_4 0,0,0,1
+#define _FP_MAXFRAC_4 (~(_FP_WS_TYPE)0), (~(_FP_WS_TYPE)0), (~(_FP_WS_TYPE)0), (~(_FP_WS_TYPE)0)
+
+#define _FP_FRAC_ZEROP_4(X) ((X##_f[0] | X##_f[1] | X##_f[2] | X##_f[3]) == 0)
+#define _FP_FRAC_NEGP_4(X) ((_FP_WS_TYPE)X##_f[3] < 0)
+#define _FP_FRAC_OVERP_4(fs,X) (_FP_FRAC_HIGH_##fs(X) & _FP_OVERFLOW_##fs)
+
+#define _FP_FRAC_EQ_4(X,Y) \
+ (X##_f[0] == Y##_f[0] && X##_f[1] == Y##_f[1] \
+ && X##_f[2] == Y##_f[2] && X##_f[3] == Y##_f[3])
+
+#define _FP_FRAC_GT_4(X,Y) \
+ (X##_f[3] > Y##_f[3] || \
+ (X##_f[3] == Y##_f[3] && (X##_f[2] > Y##_f[2] || \
+ (X##_f[2] == Y##_f[2] && (X##_f[1] > Y##_f[1] || \
+ (X##_f[1] == Y##_f[1] && X##_f[0] > Y##_f[0]) \
+ )) \
+ )) \
+ )
+
+#define _FP_FRAC_GE_4(X,Y) \
+ (X##_f[3] > Y##_f[3] || \
+ (X##_f[3] == Y##_f[3] && (X##_f[2] > Y##_f[2] || \
+ (X##_f[2] == Y##_f[2] && (X##_f[1] > Y##_f[1] || \
+ (X##_f[1] == Y##_f[1] && X##_f[0] >= Y##_f[0]) \
+ )) \
+ )) \
+ )
+
+
+#define _FP_FRAC_CLZ_4(R,X) \
+ do { \
+ if (X##_f[3]) \
+ { \
+ __FP_CLZ(R,X##_f[3]); \
+ } \
+ else if (X##_f[2]) \
+ { \
+ __FP_CLZ(R,X##_f[2]); \
+ R += _FP_W_TYPE_SIZE; \
+ } \
+ else if (X##_f[1]) \
+ { \
+ __FP_CLZ(R,X##_f[2]); \
+ R += _FP_W_TYPE_SIZE*2; \
+ } \
+ else \
+ { \
+ __FP_CLZ(R,X##_f[0]); \
+ R += _FP_W_TYPE_SIZE*3; \
+ } \
+ } while(0)
+
+
+#define _FP_UNPACK_RAW_4(fs, X, val) \
+ do { \
+ union _FP_UNION_##fs _flo; _flo.flt = (val); \
+ X##_f[0] = _flo.bits.frac0; \
+ X##_f[1] = _flo.bits.frac1; \
+ X##_f[2] = _flo.bits.frac2; \
+ X##_f[3] = _flo.bits.frac3; \
+ X##_e = _flo.bits.exp; \
+ X##_s = _flo.bits.sign; \
+ } while (0)
+
+#define _FP_UNPACK_RAW_4_P(fs, X, val) \
+ do { \
+ union _FP_UNION_##fs *_flo = \
+ (union _FP_UNION_##fs *)(val); \
+ \
+ X##_f[0] = _flo->bits.frac0; \
+ X##_f[1] = _flo->bits.frac1; \
+ X##_f[2] = _flo->bits.frac2; \
+ X##_f[3] = _flo->bits.frac3; \
+ X##_e = _flo->bits.exp; \
+ X##_s = _flo->bits.sign; \
+ } while (0)
+
+#define _FP_PACK_RAW_4(fs, val, X) \
+ do { \
+ union _FP_UNION_##fs _flo; \
+ _flo.bits.frac0 = X##_f[0]; \
+ _flo.bits.frac1 = X##_f[1]; \
+ _flo.bits.frac2 = X##_f[2]; \
+ _flo.bits.frac3 = X##_f[3]; \
+ _flo.bits.exp = X##_e; \
+ _flo.bits.sign = X##_s; \
+ (val) = _flo.flt; \
+ } while (0)
+
+#define _FP_PACK_RAW_4_P(fs, val, X) \
+ do { \
+ union _FP_UNION_##fs *_flo = \
+ (union _FP_UNION_##fs *)(val); \
+ \
+ _flo->bits.frac0 = X##_f[0]; \
+ _flo->bits.frac1 = X##_f[1]; \
+ _flo->bits.frac2 = X##_f[2]; \
+ _flo->bits.frac3 = X##_f[3]; \
+ _flo->bits.exp = X##_e; \
+ _flo->bits.sign = X##_s; \
+ } while (0)
+
+/*
+ * Multiplication algorithms:
+ */
+
+/* Given a 1W * 1W => 2W primitive, do the extended multiplication. */
+
+#define _FP_MUL_MEAT_4_wide(wfracbits, R, X, Y, doit) \
+ do { \
+ _FP_FRAC_DECL_8(_z); _FP_FRAC_DECL_2(_b); _FP_FRAC_DECL_2(_c); \
+ _FP_FRAC_DECL_2(_d); _FP_FRAC_DECL_2(_e); _FP_FRAC_DECL_2(_f); \
+ \
+ doit(_FP_FRAC_WORD_8(_z,1), _FP_FRAC_WORD_8(_z,0), X##_f[0], Y##_f[0]); \
+ doit(_b_f1, _b_f0, X##_f[0], Y##_f[1]); \
+ doit(_c_f1, _c_f0, X##_f[1], Y##_f[0]); \
+ doit(_d_f1, _d_f0, X##_f[1], Y##_f[1]); \
+ doit(_e_f1, _e_f0, X##_f[0], Y##_f[2]); \
+ doit(_f_f1, _f_f0, X##_f[2], Y##_f[0]); \
+ __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,3),_FP_FRAC_WORD_8(_z,2), \
+ _FP_FRAC_WORD_8(_z,1), 0,_b_f1,_b_f0, \
+ 0,0,_FP_FRAC_WORD_8(_z,1)); \
+ __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,3),_FP_FRAC_WORD_8(_z,2), \
+ _FP_FRAC_WORD_8(_z,1), 0,_c_f1,_c_f0, \
+ _FP_FRAC_WORD_8(_z,3),_FP_FRAC_WORD_8(_z,2), \
+ _FP_FRAC_WORD_8(_z,1)); \
+ __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,4),_FP_FRAC_WORD_8(_z,3), \
+ _FP_FRAC_WORD_8(_z,2), 0,_d_f1,_d_f0, \
+ 0,_FP_FRAC_WORD_8(_z,3),_FP_FRAC_WORD_8(_z,2)); \
+ __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,4),_FP_FRAC_WORD_8(_z,3), \
+ _FP_FRAC_WORD_8(_z,2), 0,_e_f1,_e_f0, \
+ _FP_FRAC_WORD_8(_z,4),_FP_FRAC_WORD_8(_z,3), \
+ _FP_FRAC_WORD_8(_z,2)); \
+ __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,4),_FP_FRAC_WORD_8(_z,3), \
+ _FP_FRAC_WORD_8(_z,2), 0,_f_f1,_f_f0, \
+ _FP_FRAC_WORD_8(_z,4),_FP_FRAC_WORD_8(_z,3), \
+ _FP_FRAC_WORD_8(_z,2)); \
+ doit(_b_f1, _b_f0, X##_f[0], Y##_f[3]); \
+ doit(_c_f1, _c_f0, X##_f[3], Y##_f[0]); \
+ doit(_d_f1, _d_f0, X##_f[1], Y##_f[2]); \
+ doit(_e_f1, _e_f0, X##_f[2], Y##_f[1]); \
+ __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4), \
+ _FP_FRAC_WORD_8(_z,3), 0,_b_f1,_b_f0, \
+ 0,_FP_FRAC_WORD_8(_z,4),_FP_FRAC_WORD_8(_z,3)); \
+ __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4), \
+ _FP_FRAC_WORD_8(_z,3), 0,_c_f1,_c_f0, \
+ _FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4), \
+ _FP_FRAC_WORD_8(_z,3)); \
+ __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4), \
+ _FP_FRAC_WORD_8(_z,3), 0,_d_f1,_d_f0, \
+ _FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4), \
+ _FP_FRAC_WORD_8(_z,3)); \
+ __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4), \
+ _FP_FRAC_WORD_8(_z,3), 0,_e_f1,_e_f0, \
+ _FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4), \
+ _FP_FRAC_WORD_8(_z,3)); \
+ doit(_b_f1, _b_f0, X##_f[2], Y##_f[2]); \
+ doit(_c_f1, _c_f0, X##_f[1], Y##_f[3]); \
+ doit(_d_f1, _d_f0, X##_f[3], Y##_f[1]); \
+ doit(_e_f1, _e_f0, X##_f[2], Y##_f[3]); \
+ doit(_f_f1, _f_f0, X##_f[3], Y##_f[2]); \
+ __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,6),_FP_FRAC_WORD_8(_z,5), \
+ _FP_FRAC_WORD_8(_z,4), 0,_b_f1,_b_f0, \
+ 0,_FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4)); \
+ __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,6),_FP_FRAC_WORD_8(_z,5), \
+ _FP_FRAC_WORD_8(_z,4), 0,_c_f1,_c_f0, \
+ _FP_FRAC_WORD_8(_z,6),_FP_FRAC_WORD_8(_z,5), \
+ _FP_FRAC_WORD_8(_z,4)); \
+ __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,6),_FP_FRAC_WORD_8(_z,5), \
+ _FP_FRAC_WORD_8(_z,4), 0,_d_f1,_d_f0, \
+ _FP_FRAC_WORD_8(_z,6),_FP_FRAC_WORD_8(_z,5), \
+ _FP_FRAC_WORD_8(_z,4)); \
+ __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,7),_FP_FRAC_WORD_8(_z,6), \
+ _FP_FRAC_WORD_8(_z,5), 0,_e_f1,_e_f0, \
+ 0,_FP_FRAC_WORD_8(_z,6),_FP_FRAC_WORD_8(_z,5)); \
+ __FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,7),_FP_FRAC_WORD_8(_z,6), \
+ _FP_FRAC_WORD_8(_z,5), 0,_f_f1,_f_f0, \
+ _FP_FRAC_WORD_8(_z,7),_FP_FRAC_WORD_8(_z,6), \
+ _FP_FRAC_WORD_8(_z,5)); \
+ doit(_b_f1, _b_f0, X##_f[3], Y##_f[3]); \
+ __FP_FRAC_ADD_2(_FP_FRAC_WORD_8(_z,7),_FP_FRAC_WORD_8(_z,6), \
+ _b_f1,_b_f0, \
+ _FP_FRAC_WORD_8(_z,7),_FP_FRAC_WORD_8(_z,6)); \
+ \
+ /* Normalize since we know where the msb of the multiplicands \
+ were (bit B), we know that the msb of the of the product is \
+ at either 2B or 2B-1. */ \
+ _FP_FRAC_SRS_8(_z, wfracbits-1, 2*wfracbits); \
+ __FP_FRAC_SET_4(R, _FP_FRAC_WORD_8(_z,3), _FP_FRAC_WORD_8(_z,2), \
+ _FP_FRAC_WORD_8(_z,1), _FP_FRAC_WORD_8(_z,0)); \
+ } while (0)
+
+#define _FP_MUL_MEAT_4_gmp(wfracbits, R, X, Y) \
+ do { \
+ _FP_FRAC_DECL_8(_z); \
+ \
+ mpn_mul_n(_z_f, _x_f, _y_f, 4); \
+ \
+ /* Normalize since we know where the msb of the multiplicands \
+ were (bit B), we know that the msb of the of the product is \
+ at either 2B or 2B-1. */ \
+ _FP_FRAC_SRS_8(_z, wfracbits-1, 2*wfracbits); \
+ __FP_FRAC_SET_4(R, _FP_FRAC_WORD_8(_z,3), _FP_FRAC_WORD_8(_z,2), \
+ _FP_FRAC_WORD_8(_z,1), _FP_FRAC_WORD_8(_z,0)); \
+ } while (0)
+
+/*
+ * Helper utility for _FP_DIV_MEAT_4_udiv:
+ * pppp = m * nnn
+ */
+#define umul_ppppmnnn(p3,p2,p1,p0,m,n2,n1,n0) \
+ do { \
+ UWtype _t; \
+ umul_ppmm(p1,p0,m,n0); \
+ umul_ppmm(p2,_t,m,n1); \
+ __FP_FRAC_ADDI_2(p2,p1,_t); \
+ umul_ppmm(p3,_t,m,n2); \
+ __FP_FRAC_ADDI_2(p3,p2,_t); \
+ } while (0)
+
+/*
+ * Division algorithms:
+ */
+
+#define _FP_DIV_MEAT_4_udiv(fs, R, X, Y) \
+ do { \
+ int _i; \
+ _FP_FRAC_DECL_4(_n); _FP_FRAC_DECL_4(_m); \
+ _FP_FRAC_SET_4(_n, _FP_ZEROFRAC_4); \
+ if (_FP_FRAC_GT_4(X, Y)) \
+ { \
+ _n_f[3] = X##_f[0] << (_FP_W_TYPE_SIZE - 1); \
+ _FP_FRAC_SRL_4(X, 1); \
+ } \
+ else \
+ R##_e--; \
+ \
+ /* Normalize, i.e. make the most significant bit of the \
+ denominator set. */ \
+ _FP_FRAC_SLL_4(Y, _FP_WFRACXBITS_##fs); \
+ \
+ for (_i = 3; ; _i--) \
+ { \
+ if (X##_f[3] == Y##_f[3]) \
+ { \
+ /* This is a special case, not an optimization \
+ (X##_f[3]/Y##_f[3] would not fit into UWtype). \
+ As X## is guaranteed to be < Y, R##_f[_i] can be either \
+ (UWtype)-1 or (UWtype)-2. */ \
+ R##_f[_i] = -1; \
+ if (!_i) \
+ break; \
+ __FP_FRAC_SUB_4(X##_f[3], X##_f[2], X##_f[1], X##_f[0], \
+ Y##_f[2], Y##_f[1], Y##_f[0], 0, \
+ X##_f[2], X##_f[1], X##_f[0], _n_f[_i]); \
+ _FP_FRAC_SUB_4(X, Y, X); \
+ if (X##_f[3] > Y##_f[3]) \
+ { \
+ R##_f[_i] = -2; \
+ _FP_FRAC_ADD_4(X, Y, X); \
+ } \
+ } \
+ else \
+ { \
+ udiv_qrnnd(R##_f[_i], X##_f[3], X##_f[3], X##_f[2], Y##_f[3]); \
+ umul_ppppmnnn(_m_f[3], _m_f[2], _m_f[1], _m_f[0], \
+ R##_f[_i], Y##_f[2], Y##_f[1], Y##_f[0]); \
+ X##_f[2] = X##_f[1]; \
+ X##_f[1] = X##_f[0]; \
+ X##_f[0] = _n_f[_i]; \
+ if (_FP_FRAC_GT_4(_m, X)) \
+ { \
+ R##_f[_i]--; \
+ _FP_FRAC_ADD_4(X, Y, X); \
+ if (_FP_FRAC_GE_4(X, Y) && _FP_FRAC_GT_4(_m, X)) \
+ { \
+ R##_f[_i]--; \
+ _FP_FRAC_ADD_4(X, Y, X); \
+ } \
+ } \
+ _FP_FRAC_DEC_4(X, _m); \
+ if (!_i) \
+ { \
+ if (!_FP_FRAC_EQ_4(X, _m)) \
+ R##_f[0] |= _FP_WORK_STICKY; \
+ break; \
+ } \
+ } \
+ } \
+ } while (0)
+
+
+/*
+ * Square root algorithms:
+ * We have just one right now, maybe Newton approximation
+ * should be added for those machines where division is fast.
+ */
+
+#define _FP_SQRT_MEAT_4(R, S, T, X, q) \
+ do { \
+ while (q) \
+ { \
+ T##_f[3] = S##_f[3] + q; \
+ if (T##_f[3] <= X##_f[3]) \
+ { \
+ S##_f[3] = T##_f[3] + q; \
+ X##_f[3] -= T##_f[3]; \
+ R##_f[3] += q; \
+ } \
+ _FP_FRAC_SLL_4(X, 1); \
+ q >>= 1; \
+ } \
+ q = (_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE - 1); \
+ while (q) \
+ { \
+ T##_f[2] = S##_f[2] + q; \
+ T##_f[3] = S##_f[3]; \
+ if (T##_f[3] < X##_f[3] || \
+ (T##_f[3] == X##_f[3] && T##_f[2] <= X##_f[2])) \
+ { \
+ S##_f[2] = T##_f[2] + q; \
+ S##_f[3] += (T##_f[2] > S##_f[2]); \
+ __FP_FRAC_DEC_2(X##_f[3], X##_f[2], \
+ T##_f[3], T##_f[2]); \
+ R##_f[2] += q; \
+ } \
+ _FP_FRAC_SLL_4(X, 1); \
+ q >>= 1; \
+ } \
+ q = (_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE - 1); \
+ while (q) \
+ { \
+ T##_f[1] = S##_f[1] + q; \
+ T##_f[2] = S##_f[2]; \
+ T##_f[3] = S##_f[3]; \
+ if (T##_f[3] < X##_f[3] || \
+ (T##_f[3] == X##_f[3] && (T##_f[2] < X##_f[2] || \
+ (T##_f[2] == X##_f[2] && T##_f[1] <= X##_f[1])))) \
+ { \
+ S##_f[1] = T##_f[1] + q; \
+ S##_f[2] += (T##_f[1] > S##_f[1]); \
+ S##_f[3] += (T##_f[2] > S##_f[2]); \
+ __FP_FRAC_DEC_3(X##_f[3], X##_f[2], X##_f[1], \
+ T##_f[3], T##_f[2], T##_f[1]); \
+ R##_f[1] += q; \
+ } \
+ _FP_FRAC_SLL_4(X, 1); \
+ q >>= 1; \
+ } \
+ q = (_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE - 1); \
+ while (q != _FP_WORK_ROUND) \
+ { \
+ T##_f[0] = S##_f[0] + q; \
+ T##_f[1] = S##_f[1]; \
+ T##_f[2] = S##_f[2]; \
+ T##_f[3] = S##_f[3]; \
+ if (_FP_FRAC_GE_4(X,T)) \
+ { \
+ S##_f[0] = T##_f[0] + q; \
+ S##_f[1] += (T##_f[0] > S##_f[0]); \
+ S##_f[2] += (T##_f[1] > S##_f[1]); \
+ S##_f[3] += (T##_f[2] > S##_f[2]); \
+ _FP_FRAC_DEC_4(X, T); \
+ R##_f[0] += q; \
+ } \
+ _FP_FRAC_SLL_4(X, 1); \
+ q >>= 1; \
+ } \
+ if (!_FP_FRAC_ZEROP_4(X)) \
+ { \
+ if (_FP_FRAC_GT_4(X,S)) \
+ R##_f[0] |= _FP_WORK_ROUND; \
+ R##_f[0] |= _FP_WORK_STICKY; \
+ } \
+ } while (0)
+
+
+/*
+ * Internals
+ */
+
+#define __FP_FRAC_SET_4(X,I3,I2,I1,I0) \
+ (X##_f[3] = I3, X##_f[2] = I2, X##_f[1] = I1, X##_f[0] = I0)
+
+#ifndef __FP_FRAC_ADD_3
+#define __FP_FRAC_ADD_3(r2,r1,r0,x2,x1,x0,y2,y1,y0) \
+ (r0 = x0 + y0, \
+ r1 = x1 + y1 + (r0 < x0), \
+ r2 = x2 + y2 + (r1 < x1))
+#endif
+
+#ifndef __FP_FRAC_ADD_4
+#define __FP_FRAC_ADD_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \
+ (r0 = x0 + y0, \
+ r1 = x1 + y1 + (r0 < x0), \
+ r2 = x2 + y2 + (r1 < x1), \
+ r3 = x3 + y3 + (r2 < x2))
+#endif
+
+#ifndef __FP_FRAC_SUB_3
+#define __FP_FRAC_SUB_3(r2,r1,r0,x2,x1,x0,y2,y1,y0) \
+ (r0 = x0 - y0, \
+ r1 = x1 - y1 - (r0 > x0), \
+ r2 = x2 - y2 - (r1 > x1))
+#endif
+
+#ifndef __FP_FRAC_SUB_4
+#define __FP_FRAC_SUB_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \
+ (r0 = x0 - y0, \
+ r1 = x1 - y1 - (r0 > x0), \
+ r2 = x2 - y2 - (r1 > x1), \
+ r3 = x3 - y3 - (r2 > x2))
+#endif
+
+#ifndef __FP_FRAC_DEC_3
+#define __FP_FRAC_DEC_3(x2,x1,x0,y2,y1,y0) \
+ do { \
+ UWtype _t0, _t1; \
+ _t0 = x0; \
+ x0 -= y0; \
+ _t1 = x1; \
+ x1 -= y1 + (x0 > _t0); \
+ x2 -= y2 + (x1 > _t1); \
+ } while (0)
+#endif
+
+#ifndef __FP_FRAC_DEC_4
+#define __FP_FRAC_DEC_4(x3,x2,x1,x0,y3,y2,y1,y0) \
+ do { \
+ UWtype _t0, _t1; \
+ _t0 = x0; \
+ x0 -= y0; \
+ _t1 = x1; \
+ x1 -= y1 + (x0 > _t0); \
+ _t0 = x2; \
+ x2 -= y2 + (x1 > _t1); \
+ x3 -= y3 + (x2 > _t0); \
+ } while (0)
+#endif
+
+#ifndef __FP_FRAC_ADDI_4
+#define __FP_FRAC_ADDI_4(x3,x2,x1,x0,i) \
+ do { \
+ UWtype _t; \
+ _t = ((x0 += i) < i); \
+ x1 += _t; _t = (x1 < _t); \
+ x2 += _t; _t = (x2 < _t); \
+ x3 += _t; \
+ } while (0)
+#endif
+
+/* Convert FP values between word sizes. This appears to be more
+ * complicated than I'd have expected it to be, so these might be
+ * wrong... These macros are in any case somewhat bogus because they
+ * use information about what various FRAC_n variables look like
+ * internally [eg, that 2 word vars are X_f0 and x_f1]. But so do
+ * the ones in op-2.h and op-1.h.
+ */
+#define _FP_FRAC_CONV_1_4(dfs, sfs, D, S) \
+ do { \
+ if (S##_c != FP_CLS_NAN) \
+ _FP_FRAC_SRS_4(S, (_FP_WFRACBITS_##sfs - _FP_WFRACBITS_##dfs), \
+ _FP_WFRACBITS_##sfs); \
+ else \
+ _FP_FRAC_SRL_4(S, (_FP_WFRACBITS_##sfs - _FP_WFRACBITS_##dfs)); \
+ D##_f = S##_f[0]; \
+ } while (0)
+
+#define _FP_FRAC_CONV_2_4(dfs, sfs, D, S) \
+ do { \
+ if (S##_c != FP_CLS_NAN) \
+ _FP_FRAC_SRS_4(S, (_FP_WFRACBITS_##sfs - _FP_WFRACBITS_##dfs), \
+ _FP_WFRACBITS_##sfs); \
+ else \
+ _FP_FRAC_SRL_4(S, (_FP_WFRACBITS_##sfs - _FP_WFRACBITS_##dfs)); \
+ D##_f0 = S##_f[0]; \
+ D##_f1 = S##_f[1]; \
+ } while (0)
+
+/* Assembly/disassembly for converting to/from integral types.
+ * No shifting or overflow handled here.
+ */
+/* Put the FP value X into r, which is an integer of size rsize. */
+#define _FP_FRAC_ASSEMBLE_4(r, X, rsize) \
+ do { \
+ if (rsize <= _FP_W_TYPE_SIZE) \
+ r = X##_f[0]; \
+ else if (rsize <= 2*_FP_W_TYPE_SIZE) \
+ { \
+ r = X##_f[1]; \
+ r <<= _FP_W_TYPE_SIZE; \
+ r += X##_f[0]; \
+ } \
+ else \
+ { \
+ /* I'm feeling lazy so we deal with int == 3words (implausible)*/ \
+ /* and int == 4words as a single case. */ \
+ r = X##_f[3]; \
+ r <<= _FP_W_TYPE_SIZE; \
+ r += X##_f[2]; \
+ r <<= _FP_W_TYPE_SIZE; \
+ r += X##_f[1]; \
+ r <<= _FP_W_TYPE_SIZE; \
+ r += X##_f[0]; \
+ } \
+ } while (0)
+
+/* "No disassemble Number Five!" */
+/* move an integer of size rsize into X's fractional part. We rely on
+ * the _f[] array consisting of words of size _FP_W_TYPE_SIZE to avoid
+ * having to mask the values we store into it.
+ */
+#define _FP_FRAC_DISASSEMBLE_4(X, r, rsize) \
+ do { \
+ X##_f[0] = r; \
+ X##_f[1] = (rsize <= _FP_W_TYPE_SIZE ? 0 : r >> _FP_W_TYPE_SIZE); \
+ X##_f[2] = (rsize <= 2*_FP_W_TYPE_SIZE ? 0 : r >> 2*_FP_W_TYPE_SIZE); \
+ X##_f[3] = (rsize <= 3*_FP_W_TYPE_SIZE ? 0 : r >> 3*_FP_W_TYPE_SIZE); \
+ } while (0);
+
+#define _FP_FRAC_CONV_4_1(dfs, sfs, D, S) \
+ do { \
+ D##_f[0] = S##_f; \
+ D##_f[1] = D##_f[2] = D##_f[3] = 0; \
+ _FP_FRAC_SLL_4(D, (_FP_WFRACBITS_##dfs - _FP_WFRACBITS_##sfs)); \
+ } while (0)
+
+#define _FP_FRAC_CONV_4_2(dfs, sfs, D, S) \
+ do { \
+ D##_f[0] = S##_f0; \
+ D##_f[1] = S##_f1; \
+ D##_f[2] = D##_f[3] = 0; \
+ _FP_FRAC_SLL_4(D, (_FP_WFRACBITS_##dfs - _FP_WFRACBITS_##sfs)); \
+ } while (0)
+
--- /dev/null
+/* Software floating-point emulation.
+ Basic eight-word fraction declaration and manipulation.
+ 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) 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. */
+
+/* We need just a few things from here for op-4, if we ever need some
+ other macros, they can be added. */
+#define _FP_FRAC_DECL_8(X) _FP_W_TYPE X##_f[8]
+#define _FP_FRAC_HIGH_8(X) (X##_f[7])
+#define _FP_FRAC_LOW_8(X) (X##_f[0])
+#define _FP_FRAC_WORD_8(X,w) (X##_f[w])
+
+#define _FP_FRAC_SLL_8(X,N) \
+ do { \
+ _FP_I_TYPE _up, _down, _skip, _i; \
+ _skip = (N) / _FP_W_TYPE_SIZE; \
+ _up = (N) % _FP_W_TYPE_SIZE; \
+ _down = _FP_W_TYPE_SIZE - _up; \
+ if (!_up) \
+ for (_i = 7; _i >= _skip; --_i) \
+ X##_f[_i] = X##_f[_i-_skip]; \
+ else \
+ { \
+ for (_i = 7; _i > _skip; --_i) \
+ X##_f[_i] = X##_f[_i-_skip] << _up \
+ | X##_f[_i-_skip-1] >> _down; \
+ X##_f[_i--] = X##_f[0] << _up; \
+ } \
+ for (; _i >= 0; --_i) \
+ X##_f[_i] = 0; \
+ } while (0)
+
+#define _FP_FRAC_SRL_8(X,N) \
+ do { \
+ _FP_I_TYPE _up, _down, _skip, _i; \
+ _skip = (N) / _FP_W_TYPE_SIZE; \
+ _down = (N) % _FP_W_TYPE_SIZE; \
+ _up = _FP_W_TYPE_SIZE - _down; \
+ if (!_down) \
+ for (_i = 0; _i <= 7-_skip; ++_i) \
+ X##_f[_i] = X##_f[_i+_skip]; \
+ else \
+ { \
+ for (_i = 0; _i < 7-_skip; ++_i) \
+ X##_f[_i] = X##_f[_i+_skip] >> _down \
+ | X##_f[_i+_skip+1] << _up; \
+ X##_f[_i++] = X##_f[7] >> _down; \
+ } \
+ for (; _i < 8; ++_i) \
+ X##_f[_i] = 0; \
+ } while (0)
+
+
+/* Right shift with sticky-lsb.
+ * What this actually means is that we do a standard right-shift,
+ * but that if any of the bits that fall off the right hand side
+ * were one then we always set the LSbit.
+ */
+#define _FP_FRAC_SRS_8(X,N,size) \
+ do { \
+ _FP_I_TYPE _up, _down, _skip, _i; \
+ _FP_W_TYPE _s; \
+ _skip = (N) / _FP_W_TYPE_SIZE; \
+ _down = (N) % _FP_W_TYPE_SIZE; \
+ _up = _FP_W_TYPE_SIZE - _down; \
+ for (_s = _i = 0; _i < _skip; ++_i) \
+ _s |= X##_f[_i]; \
+ _s |= X##_f[_i] << _up; \
+/* s is now != 0 if we want to set the LSbit */ \
+ if (!_down) \
+ for (_i = 0; _i <= 7-_skip; ++_i) \
+ X##_f[_i] = X##_f[_i+_skip]; \
+ else \
+ { \
+ for (_i = 0; _i < 7-_skip; ++_i) \
+ X##_f[_i] = X##_f[_i+_skip] >> _down \
+ | X##_f[_i+_skip+1] << _up; \
+ X##_f[_i++] = X##_f[7] >> _down; \
+ } \
+ for (; _i < 8; ++_i) \
+ X##_f[_i] = 0; \
+ /* don't fix the LSB until the very end when we're sure f[0] is stable */ \
+ X##_f[0] |= (_s != 0); \
+ } while (0)
+
--- /dev/null
+/* Software floating-point emulation. Common operations.
+ 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. */
+
+#define _FP_DECL(wc, X) \
+ _FP_I_TYPE X##_c, X##_s, X##_e; \
+ _FP_FRAC_DECL_##wc(X)
+
+/*
+ * Finish truely unpacking a native fp value by classifying the kind
+ * of fp value and normalizing both the exponent and the fraction.
+ */
+
+#define _FP_UNPACK_CANONICAL(fs, wc, X) \
+do { \
+ switch (X##_e) \
+ { \
+ default: \
+ _FP_FRAC_HIGH_RAW_##fs(X) |= _FP_IMPLBIT_##fs; \
+ _FP_FRAC_SLL_##wc(X, _FP_WORKBITS); \
+ X##_e -= _FP_EXPBIAS_##fs; \
+ X##_c = FP_CLS_NORMAL; \
+ break; \
+ \
+ case 0: \
+ if (_FP_FRAC_ZEROP_##wc(X)) \
+ X##_c = FP_CLS_ZERO; \
+ else \
+ { \
+ /* a denormalized number */ \
+ _FP_I_TYPE _shift; \
+ _FP_FRAC_CLZ_##wc(_shift, X); \
+ _shift -= _FP_FRACXBITS_##fs; \
+ _FP_FRAC_SLL_##wc(X, (_shift+_FP_WORKBITS)); \
+ X##_e -= _FP_EXPBIAS_##fs - 1 + _shift; \
+ X##_c = FP_CLS_NORMAL; \
+ FP_SET_EXCEPTION(FP_EX_DENORM); \
+ } \
+ break; \
+ \
+ case _FP_EXPMAX_##fs: \
+ if (_FP_FRAC_ZEROP_##wc(X)) \
+ X##_c = FP_CLS_INF; \
+ else \
+ { \
+ X##_c = FP_CLS_NAN; \
+ /* Check for signaling NaN */ \
+ if (!(_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)) \
+ FP_SET_EXCEPTION(FP_EX_INVALID); \
+ } \
+ break; \
+ } \
+} while (0)
+
+/*
+ * Before packing the bits back into the native fp result, take care
+ * of such mundane things as rounding and overflow. Also, for some
+ * kinds of fp values, the original parts may not have been fully
+ * extracted -- but that is ok, we can regenerate them now.
+ */
+
+#define _FP_PACK_CANONICAL(fs, wc, X) \
+do { \
+ switch (X##_c) \
+ { \
+ case FP_CLS_NORMAL: \
+ X##_e += _FP_EXPBIAS_##fs; \
+ if (X##_e > 0) \
+ { \
+ _FP_ROUND(wc, X); \
+ if (_FP_FRAC_OVERP_##wc(fs, X)) \
+ { \
+ _FP_FRAC_SRL_##wc(X, (_FP_WORKBITS+1)); \
+ X##_e++; \
+ } \
+ else \
+ _FP_FRAC_SRL_##wc(X, _FP_WORKBITS); \
+ if (X##_e >= _FP_EXPMAX_##fs) \
+ { \
+ /* overflow */ \
+ switch (FP_ROUNDMODE) \
+ { \
+ case FP_RND_NEAREST: \
+ X##_c = FP_CLS_INF; \
+ break; \
+ case FP_RND_PINF: \
+ if (!X##_s) X##_c = FP_CLS_INF; \
+ break; \
+ case FP_RND_MINF: \
+ if (X##_s) X##_c = FP_CLS_INF; \
+ break; \
+ } \
+ if (X##_c == FP_CLS_INF) \
+ { \
+ /* Overflow to infinity */ \
+ X##_e = _FP_EXPMAX_##fs; \
+ _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \
+ } \
+ else \
+ { \
+ /* Overflow to maximum normal */ \
+ X##_e = _FP_EXPMAX_##fs - 1; \
+ _FP_FRAC_SET_##wc(X, _FP_MAXFRAC_##wc); \
+ } \
+ FP_SET_EXCEPTION(FP_EX_OVERFLOW); \
+ FP_SET_EXCEPTION(FP_EX_INEXACT); \
+ } \
+ } \
+ else \
+ { \
+ /* we've got a denormalized number */ \
+ X##_e = -X##_e + 1; \
+ if (X##_e <= _FP_WFRACBITS_##fs) \
+ { \
+ _FP_FRAC_SRS_##wc(X, X##_e, _FP_WFRACBITS_##fs); \
+ _FP_ROUND(wc, X); \
+ if (_FP_FRAC_HIGH_##fs(X) \
+ & (_FP_OVERFLOW_##fs >> 1)) \
+ { \
+ X##_e = 1; \
+ _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \
+ } \
+ else \
+ { \
+ X##_e = 0; \
+ _FP_FRAC_SRL_##wc(X, _FP_WORKBITS); \
+ FP_SET_EXCEPTION(FP_EX_UNDERFLOW); \
+ } \
+ } \
+ else \
+ { \
+ /* underflow to zero */ \
+ X##_e = 0; \
+ if (!_FP_FRAC_ZEROP_##wc(X)) \
+ { \
+ _FP_FRAC_SET_##wc(X, _FP_MINFRAC_##wc); \
+ _FP_ROUND(wc, X); \
+ _FP_FRAC_LOW_##wc(X) >>= (_FP_WORKBITS); \
+ } \
+ FP_SET_EXCEPTION(FP_EX_UNDERFLOW); \
+ } \
+ } \
+ break; \
+ \
+ case FP_CLS_ZERO: \
+ X##_e = 0; \
+ _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \
+ break; \
+ \
+ case FP_CLS_INF: \
+ X##_e = _FP_EXPMAX_##fs; \
+ _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \
+ break; \
+ \
+ case FP_CLS_NAN: \
+ X##_e = _FP_EXPMAX_##fs; \
+ if (!_FP_KEEPNANFRACP) \
+ { \
+ _FP_FRAC_SET_##wc(X, _FP_NANFRAC_##fs); \
+ X##_s = _FP_NANSIGN_##fs; \
+ } \
+ else \
+ _FP_FRAC_HIGH_RAW_##fs(X) |= _FP_QNANBIT_##fs; \
+ break; \
+ } \
+} while (0)
+
+/* This one accepts raw argument and not cooked, returns
+ * 1 if X is a signaling NaN.
+ */
+#define _FP_ISSIGNAN(fs, wc, X) \
+({ \
+ int __ret = 0; \
+ if (X##_e == _FP_EXPMAX_##fs) \
+ { \
+ if (!_FP_FRAC_ZEROP_##wc(X) \
+ && !(_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)) \
+ __ret = 1; \
+ } \
+ __ret; \
+})
+
+
+
+
+
+/*
+ * Main addition routine. The input values should be cooked.
+ */
+
+#define _FP_ADD_INTERNAL(fs, wc, R, X, Y, OP) \
+do { \
+ switch (_FP_CLS_COMBINE(X##_c, Y##_c)) \
+ { \
+ case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NORMAL): \
+ { \
+ /* shift the smaller number so that its exponent matches the larger */ \
+ _FP_I_TYPE diff = X##_e - Y##_e; \
+ \
+ if (diff < 0) \
+ { \
+ diff = -diff; \
+ if (diff <= _FP_WFRACBITS_##fs) \
+ _FP_FRAC_SRS_##wc(X, diff, _FP_WFRACBITS_##fs); \
+ else if (!_FP_FRAC_ZEROP_##wc(X)) \
+ _FP_FRAC_SET_##wc(X, _FP_MINFRAC_##wc); \
+ R##_e = Y##_e; \
+ } \
+ else \
+ { \
+ if (diff > 0) \
+ { \
+ if (diff <= _FP_WFRACBITS_##fs) \
+ _FP_FRAC_SRS_##wc(Y, diff, _FP_WFRACBITS_##fs); \
+ else if (!_FP_FRAC_ZEROP_##wc(Y)) \
+ _FP_FRAC_SET_##wc(Y, _FP_MINFRAC_##wc); \
+ } \
+ R##_e = X##_e; \
+ } \
+ \
+ R##_c = FP_CLS_NORMAL; \
+ \
+ if (X##_s == Y##_s) \
+ { \
+ R##_s = X##_s; \
+ _FP_FRAC_ADD_##wc(R, X, Y); \
+ if (_FP_FRAC_OVERP_##wc(fs, R)) \
+ { \
+ _FP_FRAC_SRS_##wc(R, 1, _FP_WFRACBITS_##fs); \
+ R##_e++; \
+ } \
+ } \
+ else \
+ { \
+ R##_s = X##_s; \
+ _FP_FRAC_SUB_##wc(R, X, Y); \
+ if (_FP_FRAC_ZEROP_##wc(R)) \
+ { \
+ /* return an exact zero */ \
+ if (FP_ROUNDMODE == FP_RND_MINF) \
+ R##_s |= Y##_s; \
+ else \
+ R##_s &= Y##_s; \
+ R##_c = FP_CLS_ZERO; \
+ } \
+ else \
+ { \
+ if (_FP_FRAC_NEGP_##wc(R)) \
+ { \
+ _FP_FRAC_SUB_##wc(R, Y, X); \
+ R##_s = Y##_s; \
+ } \
+ \
+ /* renormalize after subtraction */ \
+ _FP_FRAC_CLZ_##wc(diff, R); \
+ diff -= _FP_WFRACXBITS_##fs; \
+ if (diff) \
+ { \
+ R##_e -= diff; \
+ _FP_FRAC_SLL_##wc(R, diff); \
+ } \
+ } \
+ } \
+ break; \
+ } \
+ \
+ case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NAN): \
+ _FP_CHOOSENAN(fs, wc, R, X, Y, OP); \
+ break; \
+ \
+ case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_ZERO): \
+ R##_e = X##_e; \
+ case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NORMAL): \
+ case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_INF): \
+ case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_ZERO): \
+ _FP_FRAC_COPY_##wc(R, X); \
+ R##_s = X##_s; \
+ R##_c = X##_c; \
+ break; \
+ \
+ case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NORMAL): \
+ R##_e = Y##_e; \
+ case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NAN): \
+ case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NAN): \
+ case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NAN): \
+ _FP_FRAC_COPY_##wc(R, Y); \
+ R##_s = Y##_s; \
+ R##_c = Y##_c; \
+ break; \
+ \
+ case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_INF): \
+ if (X##_s != Y##_s) \
+ { \
+ /* +INF + -INF => NAN */ \
+ _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs); \
+ R##_s = _FP_NANSIGN_##fs; \
+ R##_c = FP_CLS_NAN; \
+ FP_SET_EXCEPTION(FP_EX_INVALID); \
+ break; \
+ } \
+ /* FALLTHRU */ \
+ \
+ case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NORMAL): \
+ case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_ZERO): \
+ R##_s = X##_s; \
+ R##_c = FP_CLS_INF; \
+ break; \
+ \
+ case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_INF): \
+ case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_INF): \
+ R##_s = Y##_s; \
+ R##_c = FP_CLS_INF; \
+ break; \
+ \
+ case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_ZERO): \
+ /* make sure the sign is correct */ \
+ if (FP_ROUNDMODE == FP_RND_MINF) \
+ R##_s = X##_s | Y##_s; \
+ else \
+ R##_s = X##_s & Y##_s; \
+ R##_c = FP_CLS_ZERO; \
+ break; \
+ \
+ default: \
+ abort(); \
+ } \
+} while (0)
+
+#define _FP_ADD(fs, wc, R, X, Y) _FP_ADD_INTERNAL(fs, wc, R, X, Y, '+')
+#define _FP_SUB(fs, wc, R, X, Y) \
+ do { \
+ if (Y##_c != FP_CLS_NAN) Y##_s ^= 1; \
+ _FP_ADD_INTERNAL(fs, wc, R, X, Y, '-'); \
+ } while (0)
+
+
+/*
+ * Main negation routine. FIXME -- when we care about setting exception
+ * bits reliably, this will not do. We should examine all of the fp classes.
+ */
+
+#define _FP_NEG(fs, wc, R, X) \
+ do { \
+ _FP_FRAC_COPY_##wc(R, X); \
+ R##_c = X##_c; \
+ R##_e = X##_e; \
+ R##_s = 1 ^ X##_s; \
+ } while (0)
+
+
+/*
+ * Main multiplication routine. The input values should be cooked.
+ */
+
+#define _FP_MUL(fs, wc, R, X, Y) \
+do { \
+ R##_s = X##_s ^ Y##_s; \
+ switch (_FP_CLS_COMBINE(X##_c, Y##_c)) \
+ { \
+ case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NORMAL): \
+ R##_c = FP_CLS_NORMAL; \
+ R##_e = X##_e + Y##_e + 1; \
+ \
+ _FP_MUL_MEAT_##fs(R,X,Y); \
+ \
+ if (_FP_FRAC_OVERP_##wc(fs, R)) \
+ _FP_FRAC_SRS_##wc(R, 1, _FP_WFRACBITS_##fs); \
+ else \
+ R##_e--; \
+ break; \
+ \
+ case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NAN): \
+ _FP_CHOOSENAN(fs, wc, R, X, Y, '*'); \
+ break; \
+ \
+ case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NORMAL): \
+ case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_INF): \
+ case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_ZERO): \
+ R##_s = X##_s; \
+ \
+ case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_INF): \
+ case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NORMAL): \
+ case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NORMAL): \
+ case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_ZERO): \
+ _FP_FRAC_COPY_##wc(R, X); \
+ R##_c = X##_c; \
+ break; \
+ \
+ case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NAN): \
+ case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NAN): \
+ case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NAN): \
+ R##_s = Y##_s; \
+ \
+ case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_INF): \
+ case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_ZERO): \
+ _FP_FRAC_COPY_##wc(R, Y); \
+ R##_c = Y##_c; \
+ break; \
+ \
+ case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_ZERO): \
+ case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_INF): \
+ R##_s = _FP_NANSIGN_##fs; \
+ R##_c = FP_CLS_NAN; \
+ _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs); \
+ FP_SET_EXCEPTION(FP_EX_INVALID); \
+ break; \
+ \
+ default: \
+ abort(); \
+ } \
+} while (0)
+
+
+/*
+ * Main division routine. The input values should be cooked.
+ */
+
+#define _FP_DIV(fs, wc, R, X, Y) \
+do { \
+ R##_s = X##_s ^ Y##_s; \
+ switch (_FP_CLS_COMBINE(X##_c, Y##_c)) \
+ { \
+ case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NORMAL): \
+ R##_c = FP_CLS_NORMAL; \
+ R##_e = X##_e - Y##_e; \
+ \
+ _FP_DIV_MEAT_##fs(R,X,Y); \
+ break; \
+ \
+ case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NAN): \
+ _FP_CHOOSENAN(fs, wc, R, X, Y, '/'); \
+ break; \
+ \
+ case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NORMAL): \
+ case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_INF): \
+ case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_ZERO): \
+ R##_s = X##_s; \
+ _FP_FRAC_COPY_##wc(R, X); \
+ R##_c = X##_c; \
+ break; \
+ \
+ case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NAN): \
+ case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NAN): \
+ case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NAN): \
+ R##_s = Y##_s; \
+ _FP_FRAC_COPY_##wc(R, Y); \
+ R##_c = Y##_c; \
+ break; \
+ \
+ case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_INF): \
+ case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_INF): \
+ case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NORMAL): \
+ R##_c = FP_CLS_ZERO; \
+ break; \
+ \
+ case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_ZERO): \
+ FP_SET_EXCEPTION(FP_EX_DIVZERO); \
+ case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_ZERO): \
+ case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NORMAL): \
+ R##_c = FP_CLS_INF; \
+ break; \
+ \
+ case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_INF): \
+ case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_ZERO): \
+ R##_s = _FP_NANSIGN_##fs; \
+ R##_c = FP_CLS_NAN; \
+ _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs); \
+ FP_SET_EXCEPTION(FP_EX_INVALID); \
+ break; \
+ \
+ default: \
+ abort(); \
+ } \
+} while (0)
+
+
+/*
+ * Main differential comparison routine. The inputs should be raw not
+ * cooked. The return is -1,0,1 for normal values, 2 otherwise.
+ */
+
+#define _FP_CMP(fs, wc, ret, X, Y, un) \
+ do { \
+ /* NANs are unordered */ \
+ if ((X##_e == _FP_EXPMAX_##fs && !_FP_FRAC_ZEROP_##wc(X)) \
+ || (Y##_e == _FP_EXPMAX_##fs && !_FP_FRAC_ZEROP_##wc(Y))) \
+ { \
+ ret = un; \
+ } \
+ else \
+ { \
+ int __is_zero_x; \
+ int __is_zero_y; \
+ \
+ __is_zero_x = (!X##_e && _FP_FRAC_ZEROP_##wc(X)) ? 1 : 0; \
+ __is_zero_y = (!Y##_e && _FP_FRAC_ZEROP_##wc(Y)) ? 1 : 0; \
+ \
+ if (__is_zero_x && __is_zero_y) \
+ ret = 0; \
+ else if (__is_zero_x) \
+ ret = Y##_s ? 1 : -1; \
+ else if (__is_zero_y) \
+ ret = X##_s ? -1 : 1; \
+ else if (X##_s != Y##_s) \
+ ret = X##_s ? -1 : 1; \
+ else if (X##_e > Y##_e) \
+ ret = X##_s ? -1 : 1; \
+ else if (X##_e < Y##_e) \
+ ret = X##_s ? 1 : -1; \
+ else if (_FP_FRAC_GT_##wc(X, Y)) \
+ ret = X##_s ? -1 : 1; \
+ else if (_FP_FRAC_GT_##wc(Y, X)) \
+ ret = X##_s ? 1 : -1; \
+ else \
+ ret = 0; \
+ } \
+ } while (0)
+
+
+/* Simplification for strict equality. */
+
+#define _FP_CMP_EQ(fs, wc, ret, X, Y) \
+ do { \
+ /* NANs are unordered */ \
+ if ((X##_e == _FP_EXPMAX_##fs && !_FP_FRAC_ZEROP_##wc(X)) \
+ || (Y##_e == _FP_EXPMAX_##fs && !_FP_FRAC_ZEROP_##wc(Y))) \
+ { \
+ ret = 1; \
+ } \
+ else \
+ { \
+ ret = !(X##_e == Y##_e \
+ && _FP_FRAC_EQ_##wc(X, Y) \
+ && (X##_s == Y##_s || !X##_e && _FP_FRAC_ZEROP_##wc(X))); \
+ } \
+ } while (0)
+
+/*
+ * Main square root routine. The input value should be cooked.
+ */
+
+#define _FP_SQRT(fs, wc, R, X) \
+do { \
+ _FP_FRAC_DECL_##wc(T); _FP_FRAC_DECL_##wc(S); \
+ _FP_W_TYPE q; \
+ switch (X##_c) \
+ { \
+ case FP_CLS_NAN: \
+ _FP_FRAC_COPY_##wc(R, X); \
+ R##_s = X##_s; \
+ R##_c = FP_CLS_NAN; \
+ break; \
+ case FP_CLS_INF: \
+ if (X##_s) \
+ { \
+ R##_s = _FP_NANSIGN_##fs; \
+ R##_c = FP_CLS_NAN; /* NAN */ \
+ _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs); \
+ FP_SET_EXCEPTION(FP_EX_INVALID); \
+ } \
+ else \
+ { \
+ R##_s = 0; \
+ R##_c = FP_CLS_INF; /* sqrt(+inf) = +inf */ \
+ } \
+ break; \
+ case FP_CLS_ZERO: \
+ R##_s = X##_s; \
+ R##_c = FP_CLS_ZERO; /* sqrt(+-0) = +-0 */ \
+ break; \
+ case FP_CLS_NORMAL: \
+ R##_s = 0; \
+ if (X##_s) \
+ { \
+ R##_c = FP_CLS_NAN; /* sNAN */ \
+ R##_s = _FP_NANSIGN_##fs; \
+ _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs); \
+ FP_SET_EXCEPTION(FP_EX_INVALID); \
+ break; \
+ } \
+ R##_c = FP_CLS_NORMAL; \
+ if (X##_e & 1) \
+ _FP_FRAC_SLL_##wc(X, 1); \
+ R##_e = X##_e >> 1; \
+ _FP_FRAC_SET_##wc(S, _FP_ZEROFRAC_##wc); \
+ _FP_FRAC_SET_##wc(R, _FP_ZEROFRAC_##wc); \
+ q = _FP_OVERFLOW_##fs >> 1; \
+ _FP_SQRT_MEAT_##wc(R, S, T, X, q); \
+ } \
+ } while (0)
+
+/*
+ * Convert from FP to integer
+ */
+
+/* RSIGNED can have following values:
+ * 0: the number is required to be 0..(2^rsize)-1, if not, NV is set plus
+ * the result is either 0 or (2^rsize)-1 depending on the sign in such case.
+ * 1: the number is required to be -(2^(rsize-1))..(2^(rsize-1))-1, if not, NV is
+ * set plus the result is either -(2^(rsize-1)) or (2^(rsize-1))-1 depending
+ * on the sign in such case.
+ * -1: the number is required to be -(2^(rsize-1))..(2^rsize)-1, if not, NV is
+ * set plus the result is either -(2^(rsize-1)) or (2^(rsize-1))-1 depending
+ * on the sign in such case.
+ */
+#define _FP_TO_INT(fs, wc, r, X, rsize, rsigned) \
+ do { \
+ switch (X##_c) \
+ { \
+ case FP_CLS_NORMAL: \
+ if (X##_e < 0) \
+ { \
+ FP_SET_EXCEPTION(FP_EX_INEXACT); \
+ case FP_CLS_ZERO: \
+ r = 0; \
+ } \
+ else if (X##_e >= rsize - (rsigned > 0 || X##_s) \
+ || (!rsigned && X##_s)) \
+ { /* overflow */ \
+ case FP_CLS_NAN: \
+ case FP_CLS_INF: \
+ if (rsigned) \
+ { \
+ r = 1; \
+ r <<= rsize - 1; \
+ r -= 1 - X##_s; \
+ } else { \
+ r = 0; \
+ if (X##_s) \
+ r = ~r; \
+ } \
+ FP_SET_EXCEPTION(FP_EX_INVALID); \
+ } \
+ else \
+ { \
+ if (_FP_W_TYPE_SIZE*wc < rsize) \
+ { \
+ _FP_FRAC_ASSEMBLE_##wc(r, X, rsize); \
+ r <<= X##_e - _FP_WFRACBITS_##fs; \
+ } \
+ else \
+ { \
+ if (X##_e >= _FP_WFRACBITS_##fs) \
+ _FP_FRAC_SLL_##wc(X, (X##_e - _FP_WFRACBITS_##fs + 1)); \
+ else if (X##_e < _FP_WFRACBITS_##fs - 1) \
+ { \
+ _FP_FRAC_SRS_##wc(X, (_FP_WFRACBITS_##fs - X##_e - 2), \
+ _FP_WFRACBITS_##fs); \
+ if (_FP_FRAC_LOW_##wc(X) & 1) \
+ FP_SET_EXCEPTION(FP_EX_INEXACT); \
+ _FP_FRAC_SRL_##wc(X, 1); \
+ } \
+ _FP_FRAC_ASSEMBLE_##wc(r, X, rsize); \
+ } \
+ if (rsigned && X##_s) \
+ r = -r; \
+ } \
+ break; \
+ } \
+ } while (0)
+
+#define _FP_FROM_INT(fs, wc, X, r, rsize, rtype) \
+ do { \
+ if (r) \
+ { \
+ X##_c = FP_CLS_NORMAL; \
+ \
+ if ((X##_s = (r < 0))) \
+ r = -r; \
+ \
+ if (rsize <= _FP_W_TYPE_SIZE) \
+ __FP_CLZ(X##_e, r); \
+ else \
+ __FP_CLZ_2(X##_e, (_FP_W_TYPE)(r >> _FP_W_TYPE_SIZE), \
+ (_FP_W_TYPE)r); \
+ if (rsize < _FP_W_TYPE_SIZE) \
+ X##_e -= (_FP_W_TYPE_SIZE - rsize); \
+ X##_e = rsize - X##_e - 1; \
+ \
+ if (_FP_FRACBITS_##fs < rsize && _FP_WFRACBITS_##fs < X##_e) \
+ __FP_FRAC_SRS_1(r, (X##_e - _FP_WFRACBITS_##fs), rsize); \
+ r &= ~((rtype)1 << X##_e); \
+ _FP_FRAC_DISASSEMBLE_##wc(X, ((unsigned rtype)r), rsize); \
+ _FP_FRAC_SLL_##wc(X, (_FP_WFRACBITS_##fs - X##_e - 1)); \
+ } \
+ else \
+ { \
+ X##_c = FP_CLS_ZERO, X##_s = 0; \
+ } \
+ } while (0)
+
+
+#define FP_CONV(dfs,sfs,dwc,swc,D,S) \
+ do { \
+ _FP_FRAC_CONV_##dwc##_##swc(dfs, sfs, D, S); \
+ D##_e = S##_e; \
+ D##_c = S##_c; \
+ D##_s = S##_s; \
+ } while (0)
+
+/*
+ * Helper primitives.
+ */
+
+/* Count leading zeros in a word. */
+
+#ifndef __FP_CLZ
+#if _FP_W_TYPE_SIZE < 64
+/* this is just to shut the compiler up about shifts > word length -- PMM 02/1998 */
+#define __FP_CLZ(r, x) \
+ do { \
+ _FP_W_TYPE _t = (x); \
+ r = _FP_W_TYPE_SIZE - 1; \
+ if (_t > 0xffff) r -= 16; \
+ if (_t > 0xffff) _t >>= 16; \
+ if (_t > 0xff) r -= 8; \
+ if (_t > 0xff) _t >>= 8; \
+ if (_t & 0xf0) r -= 4; \
+ if (_t & 0xf0) _t >>= 4; \
+ if (_t & 0xc) r -= 2; \
+ if (_t & 0xc) _t >>= 2; \
+ if (_t & 0x2) r -= 1; \
+ } while (0)
+#else /* not _FP_W_TYPE_SIZE < 64 */
+#define __FP_CLZ(r, x) \
+ do { \
+ _FP_W_TYPE _t = (x); \
+ r = _FP_W_TYPE_SIZE - 1; \
+ if (_t > 0xffffffff) r -= 32; \
+ if (_t > 0xffffffff) _t >>= 32; \
+ if (_t > 0xffff) r -= 16; \
+ if (_t > 0xffff) _t >>= 16; \
+ if (_t > 0xff) r -= 8; \
+ if (_t > 0xff) _t >>= 8; \
+ if (_t & 0xf0) r -= 4; \
+ if (_t & 0xf0) _t >>= 4; \
+ if (_t & 0xc) r -= 2; \
+ if (_t & 0xc) _t >>= 2; \
+ if (_t & 0x2) r -= 1; \
+ } while (0)
+#endif /* not _FP_W_TYPE_SIZE < 64 */
+#endif /* ndef __FP_CLZ */
+
+#define _FP_DIV_HELP_imm(q, r, n, d) \
+ do { \
+ q = n / d, r = n % d; \
+ } while (0)
+
--- /dev/null
+/* Software floating-point emulation.
+ Definitions for IEEE Quad Precision.
+ 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. */
+
+#if _FP_W_TYPE_SIZE < 32
+#error "Here's a nickel, kid. Go buy yourself a real computer."
+#endif
+
+#if _FP_W_TYPE_SIZE < 64
+#define _FP_FRACTBITS_Q (4*_FP_W_TYPE_SIZE)
+#else
+#define _FP_FRACTBITS_Q (2*_FP_W_TYPE_SIZE)
+#endif
+
+#define _FP_FRACBITS_Q 113
+#define _FP_FRACXBITS_Q (_FP_FRACTBITS_Q - _FP_FRACBITS_Q)
+#define _FP_WFRACBITS_Q (_FP_WORKBITS + _FP_FRACBITS_Q)
+#define _FP_WFRACXBITS_Q (_FP_FRACTBITS_Q - _FP_WFRACBITS_Q)
+#define _FP_EXPBITS_Q 15
+#define _FP_EXPBIAS_Q 16383
+#define _FP_EXPMAX_Q 32767
+
+#define _FP_QNANBIT_Q \
+ ((_FP_W_TYPE)1 << (_FP_FRACBITS_Q-2) % _FP_W_TYPE_SIZE)
+#define _FP_IMPLBIT_Q \
+ ((_FP_W_TYPE)1 << (_FP_FRACBITS_Q-1) % _FP_W_TYPE_SIZE)
+#define _FP_OVERFLOW_Q \
+ ((_FP_W_TYPE)1 << (_FP_WFRACBITS_Q % _FP_W_TYPE_SIZE))
+
+#if _FP_W_TYPE_SIZE < 64
+
+union _FP_UNION_Q
+{
+ long double flt;
+ struct
+ {
+#if __BYTE_ORDER == __BIG_ENDIAN
+ unsigned sign : 1;
+ unsigned exp : _FP_EXPBITS_Q;
+ unsigned long frac3 : _FP_FRACBITS_Q - (_FP_IMPLBIT_Q != 0)-(_FP_W_TYPE_SIZE * 3);
+ unsigned long frac2 : _FP_W_TYPE_SIZE;
+ unsigned long frac1 : _FP_W_TYPE_SIZE;
+ unsigned long frac0 : _FP_W_TYPE_SIZE;
+#else
+ unsigned long frac0 : _FP_W_TYPE_SIZE;
+ unsigned long frac1 : _FP_W_TYPE_SIZE;
+ unsigned long frac2 : _FP_W_TYPE_SIZE;
+ unsigned long frac3 : _FP_FRACBITS_Q - (_FP_IMPLBIT_Q != 0)-(_FP_W_TYPE_SIZE * 3);
+ unsigned exp : _FP_EXPBITS_Q;
+ unsigned sign : 1;
+#endif /* not bigendian */
+ } bits __attribute__((packed));
+};
+
+
+#define FP_DECL_Q(X) _FP_DECL(4,X)
+#define FP_UNPACK_RAW_Q(X,val) _FP_UNPACK_RAW_4(Q,X,val)
+#define FP_UNPACK_RAW_QP(X,val) _FP_UNPACK_RAW_4_P(Q,X,val)
+#define FP_PACK_RAW_Q(val,X) _FP_PACK_RAW_4(Q,val,X)
+#define FP_PACK_RAW_QP(val,X) \
+ do { \
+ if (!FP_INHIBIT_RESULTS) \
+ _FP_PACK_RAW_4_P(Q,val,X); \
+ } while (0)
+
+#define FP_UNPACK_Q(X,val) \
+ do { \
+ _FP_UNPACK_RAW_4(Q,X,val); \
+ _FP_UNPACK_CANONICAL(Q,4,X); \
+ } while (0)
+
+#define FP_UNPACK_QP(X,val) \
+ do { \
+ _FP_UNPACK_RAW_4_P(Q,X,val); \
+ _FP_UNPACK_CANONICAL(Q,4,X); \
+ } while (0)
+
+#define FP_PACK_Q(val,X) \
+ do { \
+ _FP_PACK_CANONICAL(Q,4,X); \
+ _FP_PACK_RAW_4(Q,val,X); \
+ } while (0)
+
+#define FP_PACK_QP(val,X) \
+ do { \
+ _FP_PACK_CANONICAL(Q,4,X); \
+ if (!FP_INHIBIT_RESULTS) \
+ _FP_PACK_RAW_4_P(Q,val,X); \
+ } while (0)
+
+#define FP_ISSIGNAN_Q(X) _FP_ISSIGNAN(Q,4,X)
+#define FP_NEG_Q(R,X) _FP_NEG(Q,4,R,X)
+#define FP_ADD_Q(R,X,Y) _FP_ADD(Q,4,R,X,Y)
+#define FP_SUB_Q(R,X,Y) _FP_SUB(Q,4,R,X,Y)
+#define FP_MUL_Q(R,X,Y) _FP_MUL(Q,4,R,X,Y)
+#define FP_DIV_Q(R,X,Y) _FP_DIV(Q,4,R,X,Y)
+#define FP_SQRT_Q(R,X) _FP_SQRT(Q,4,R,X)
+#define _FP_SQRT_MEAT_Q(R,S,T,X,Q) _FP_SQRT_MEAT_4(R,S,T,X,Q)
+
+#define FP_CMP_Q(r,X,Y,un) _FP_CMP(Q,4,r,X,Y,un)
+#define FP_CMP_EQ_Q(r,X,Y) _FP_CMP_EQ(Q,4,r,X,Y)
+
+#define FP_TO_INT_Q(r,X,rsz,rsg) _FP_TO_INT(Q,4,r,X,rsz,rsg)
+#define FP_FROM_INT_Q(X,r,rs,rt) _FP_FROM_INT(Q,4,X,r,rs,rt)
+
+#define _FP_FRAC_HIGH_Q(X) _FP_FRAC_HIGH_4(X)
+#define _FP_FRAC_HIGH_RAW_Q(X) _FP_FRAC_HIGH_4(X)
+
+#else /* not _FP_W_TYPE_SIZE < 64 */
+union _FP_UNION_Q
+{
+ long double flt /* __attribute__((mode(TF))) */ ;
+ struct {
+#if __BYTE_ORDER == __BIG_ENDIAN
+ unsigned sign : 1;
+ unsigned exp : _FP_EXPBITS_Q;
+ unsigned long frac1 : _FP_FRACBITS_Q-(_FP_IMPLBIT_Q != 0)-_FP_W_TYPE_SIZE;
+ unsigned long frac0 : _FP_W_TYPE_SIZE;
+#else
+ unsigned long frac0 : _FP_W_TYPE_SIZE;
+ unsigned long frac1 : _FP_FRACBITS_Q-(_FP_IMPLBIT_Q != 0)-_FP_W_TYPE_SIZE;
+ unsigned exp : _FP_EXPBITS_Q;
+ unsigned sign : 1;
+#endif
+ } bits;
+};
+
+#define FP_DECL_Q(X) _FP_DECL(2,X)
+#define FP_UNPACK_RAW_Q(X,val) _FP_UNPACK_RAW_2(Q,X,val)
+#define FP_UNPACK_RAW_QP(X,val) _FP_UNPACK_RAW_2_P(Q,X,val)
+#define FP_PACK_RAW_Q(val,X) _FP_PACK_RAW_2(Q,val,X)
+#define FP_PACK_RAW_QP(val,X) \
+ do { \
+ if (!FP_INHIBIT_RESULTS) \
+ _FP_PACK_RAW_2_P(Q,val,X); \
+ } while (0)
+
+#define FP_UNPACK_Q(X,val) \
+ do { \
+ _FP_UNPACK_RAW_2(Q,X,val); \
+ _FP_UNPACK_CANONICAL(Q,2,X); \
+ } while (0)
+
+#define FP_UNPACK_QP(X,val) \
+ do { \
+ _FP_UNPACK_RAW_2_P(Q,X,val); \
+ _FP_UNPACK_CANONICAL(Q,2,X); \
+ } while (0)
+
+#define FP_PACK_Q(val,X) \
+ do { \
+ _FP_PACK_CANONICAL(Q,2,X); \
+ _FP_PACK_RAW_2(Q,val,X); \
+ } while (0)
+
+#define FP_PACK_QP(val,X) \
+ do { \
+ _FP_PACK_CANONICAL(Q,2,X); \
+ if (!FP_INHIBIT_RESULTS) \
+ _FP_PACK_RAW_2_P(Q,val,X); \
+ } while (0)
+
+#define FP_ISSIGNAN_Q(X) _FP_ISSIGNAN(Q,2,X)
+#define FP_NEG_Q(R,X) _FP_NEG(Q,2,R,X)
+#define FP_ADD_Q(R,X,Y) _FP_ADD(Q,2,R,X,Y)
+#define FP_SUB_Q(R,X,Y) _FP_SUB(Q,2,R,X,Y)
+#define FP_MUL_Q(R,X,Y) _FP_MUL(Q,2,R,X,Y)
+#define FP_DIV_Q(R,X,Y) _FP_DIV(Q,2,R,X,Y)
+#define FP_SQRT_Q(R,X) _FP_SQRT(Q,2,R,X)
+#define _FP_SQRT_MEAT_Q(R,S,T,X,Q) _FP_SQRT_MEAT_2(R,S,T,X,Q)
+
+#define FP_CMP_Q(r,X,Y,un) _FP_CMP(Q,2,r,X,Y,un)
+#define FP_CMP_EQ_Q(r,X,Y) _FP_CMP_EQ(Q,2,r,X,Y)
+
+#define FP_TO_INT_Q(r,X,rsz,rsg) _FP_TO_INT(Q,2,r,X,rsz,rsg)
+#define FP_FROM_INT_Q(X,r,rs,rt) _FP_FROM_INT(Q,2,X,r,rs,rt)
+
+#define _FP_FRAC_HIGH_Q(X) _FP_FRAC_HIGH_2(X)
+#define _FP_FRAC_HIGH_RAW_Q(X) _FP_FRAC_HIGH_2(X)
+
+#endif /* not _FP_W_TYPE_SIZE < 64 */
--- /dev/null
+/* Software floating-point emulation.
+ Definitions for IEEE Single Precision.
+ 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. */
+
+#if _FP_W_TYPE_SIZE < 32
+#error "Here's a nickel kid. Go buy yourself a real computer."
+#endif
+
+#define _FP_FRACBITS_S 24
+#define _FP_FRACXBITS_S (_FP_W_TYPE_SIZE - _FP_FRACBITS_S)
+#define _FP_WFRACBITS_S (_FP_WORKBITS + _FP_FRACBITS_S)
+#define _FP_WFRACXBITS_S (_FP_W_TYPE_SIZE - _FP_WFRACBITS_S)
+#define _FP_EXPBITS_S 8
+#define _FP_EXPBIAS_S 127
+#define _FP_EXPMAX_S 255
+#define _FP_QNANBIT_S ((_FP_W_TYPE)1 << (_FP_FRACBITS_S-2))
+#define _FP_IMPLBIT_S ((_FP_W_TYPE)1 << (_FP_FRACBITS_S-1))
+#define _FP_OVERFLOW_S ((_FP_W_TYPE)1 << (_FP_WFRACBITS_S))
+
+/* The implementation of _FP_MUL_MEAT_S and _FP_DIV_MEAT_S should be
+ chosen by the target machine. */
+
+union _FP_UNION_S
+{
+ float flt;
+ struct {
+#if __BYTE_ORDER == __BIG_ENDIAN
+ unsigned sign : 1;
+ unsigned exp : _FP_EXPBITS_S;
+ unsigned frac : _FP_FRACBITS_S - (_FP_IMPLBIT_S != 0);
+#else
+ unsigned frac : _FP_FRACBITS_S - (_FP_IMPLBIT_S != 0);
+ unsigned exp : _FP_EXPBITS_S;
+ unsigned sign : 1;
+#endif
+ } bits __attribute__((packed));
+};
+
+#define FP_DECL_S(X) _FP_DECL(1,X)
+#define FP_UNPACK_RAW_S(X,val) _FP_UNPACK_RAW_1(S,X,val)
+#define FP_UNPACK_RAW_SP(X,val) _FP_UNPACK_RAW_1_P(S,X,val)
+#define FP_PACK_RAW_S(val,X) _FP_PACK_RAW_1(S,val,X)
+#define FP_PACK_RAW_SP(val,X) \
+ do { \
+ if (!FP_INHIBIT_RESULTS) \
+ _FP_PACK_RAW_1_P(S,val,X); \
+ } while (0)
+
+#define FP_UNPACK_S(X,val) \
+ do { \
+ _FP_UNPACK_RAW_1(S,X,val); \
+ _FP_UNPACK_CANONICAL(S,1,X); \
+ } while (0)
+
+#define FP_UNPACK_SP(X,val) \
+ do { \
+ _FP_UNPACK_RAW_1_P(S,X,val); \
+ _FP_UNPACK_CANONICAL(S,1,X); \
+ } while (0)
+
+#define FP_PACK_S(val,X) \
+ do { \
+ _FP_PACK_CANONICAL(S,1,X); \
+ _FP_PACK_RAW_1(S,val,X); \
+ } while (0)
+
+#define FP_PACK_SP(val,X) \
+ do { \
+ _FP_PACK_CANONICAL(S,1,X); \
+ if (!FP_INHIBIT_RESULTS) \
+ _FP_PACK_RAW_1_P(S,val,X); \
+ } while (0)
+
+#define FP_ISSIGNAN_S(X) _FP_ISSIGNAN(S,1,X)
+#define FP_NEG_S(R,X) _FP_NEG(S,1,R,X)
+#define FP_ADD_S(R,X,Y) _FP_ADD(S,1,R,X,Y)
+#define FP_SUB_S(R,X,Y) _FP_SUB(S,1,R,X,Y)
+#define FP_MUL_S(R,X,Y) _FP_MUL(S,1,R,X,Y)
+#define FP_DIV_S(R,X,Y) _FP_DIV(S,1,R,X,Y)
+#define FP_SQRT_S(R,X) _FP_SQRT(S,1,R,X)
+#define _FP_SQRT_MEAT_S(R,S,T,X,Q) _FP_SQRT_MEAT_1(R,S,T,X,Q)
+
+#define FP_CMP_S(r,X,Y,un) _FP_CMP(S,1,r,X,Y,un)
+#define FP_CMP_EQ_S(r,X,Y) _FP_CMP_EQ(S,1,r,X,Y)
+
+#define FP_TO_INT_S(r,X,rsz,rsg) _FP_TO_INT(S,1,r,X,rsz,rsg)
+#define FP_FROM_INT_S(X,r,rs,rt) _FP_FROM_INT(S,1,X,r,rs,rt)
+
+#define _FP_FRAC_HIGH_S(X) _FP_FRAC_HIGH_1(X)
+#define _FP_FRAC_HIGH_RAW_S(X) _FP_FRAC_HIGH_1(X)
--- /dev/null
+/* Software floating-point emulation.
+ 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 SOFT_FP_H
+#define SOFT_FP_H
+
+#include "sfp-machine.h"
+
+/* Allow sfp-machine to have its own byte order definitions. */
+#ifndef __BYTE_ORDER
+#include <endian.h>
+#endif
+
+#define _FP_WORKBITS 3
+#define _FP_WORK_LSB ((_FP_W_TYPE)1 << 3)
+#define _FP_WORK_ROUND ((_FP_W_TYPE)1 << 2)
+#define _FP_WORK_GUARD ((_FP_W_TYPE)1 << 1)
+#define _FP_WORK_STICKY ((_FP_W_TYPE)1 << 0)
+
+#ifndef FP_RND_NEAREST
+# define FP_RND_NEAREST 0
+# define FP_RND_ZERO 1
+# define FP_RND_PINF 2
+# define FP_RND_MINF 3
+#ifndef FP_ROUNDMODE
+# define FP_ROUNDMODE FP_RND_NEAREST
+#endif
+#endif
+
+/* By default don't care about exceptions. */
+#ifndef FP_EX_INVALID
+#define FP_EX_INVALID 0
+#endif
+#ifndef FP_EX_OVERFLOW
+#define FP_EX_OVERFLOW 0
+#endif
+#ifndef FP_EX_UNDERFLOW
+#define FP_EX_UNDERFLOW
+#endif
+#ifndef FP_EX_DIVZERO
+#define FP_EX_DIVZERO 0
+#endif
+#ifndef FP_EX_INEXACT
+#define FP_EX_INEXACT 0
+#endif
+#ifndef FP_EX_DENORM
+#define FP_EX_DENORM 0
+#endif
+
+#ifdef _FP_DECL_EX
+#define FP_DECL_EX \
+ int _fex = 0; \
+ _FP_DECL_EX
+#else
+#define FP_DECL_EX int _fex = 0
+#endif
+
+#ifndef FP_INIT_ROUNDMODE
+#define FP_INIT_ROUNDMODE do {} while (0)
+#endif
+
+#ifndef FP_HANDLE_EXCEPTIONS
+#define FP_HANDLE_EXCEPTIONS do {} while (0)
+#endif
+
+#ifndef FP_INHIBIT_RESULTS
+/* By default we write the results always.
+ * sfp-machine may override this and e.g.
+ * check if some exceptions are unmasked
+ * and inhibit it in such a case.
+ */
+#define FP_INHIBIT_RESULTS 0
+#endif
+
+#define FP_SET_EXCEPTION(ex) \
+ _fex |= (ex)
+
+#define FP_UNSET_EXCEPTION(ex) \
+ _fex &= ~(ex)
+
+#define FP_CLEAR_EXCEPTIONS \
+ _fex = 0
+
+#define _FP_ROUND_NEAREST(wc, X) \
+do { \
+ if ((_FP_FRAC_LOW_##wc(X) & 15) != _FP_WORK_ROUND) \
+ _FP_FRAC_ADDI_##wc(X, _FP_WORK_ROUND); \
+} while (0)
+
+#define _FP_ROUND_ZERO(wc, X) 0
+
+#define _FP_ROUND_PINF(wc, X) \
+do { \
+ if (!X##_s && (_FP_FRAC_LOW_##wc(X) & 7)) \
+ _FP_FRAC_ADDI_##wc(X, _FP_WORK_LSB); \
+} while (0)
+
+#define _FP_ROUND_MINF(wc, X) \
+do { \
+ if (X##_s && (_FP_FRAC_LOW_##wc(X) & 7)) \
+ _FP_FRAC_ADDI_##wc(X, _FP_WORK_LSB); \
+} while (0)
+
+#define _FP_ROUND(wc, X) \
+do { \
+ if (_FP_FRAC_LOW_##wc(X) & 7) \
+ FP_SET_EXCEPTION(FP_EX_INEXACT); \
+ switch (FP_ROUNDMODE) \
+ { \
+ case FP_RND_NEAREST: \
+ _FP_ROUND_NEAREST(wc,X); \
+ break; \
+ case FP_RND_ZERO: \
+ _FP_ROUND_ZERO(wc,X); \
+ break; \
+ case FP_RND_PINF: \
+ _FP_ROUND_PINF(wc,X); \
+ break; \
+ case FP_RND_MINF: \
+ _FP_ROUND_MINF(wc,X); \
+ break; \
+ } \
+} while (0)
+
+#define FP_CLS_NORMAL 0
+#define FP_CLS_ZERO 1
+#define FP_CLS_INF 2
+#define FP_CLS_NAN 3
+
+#define _FP_CLS_COMBINE(x,y) (((x) << 2) | (y))
+
+#include "op-1.h"
+#include "op-2.h"
+#include "op-4.h"
+#include "op-8.h"
+#include "op-common.h"
+
+/* Sigh. Silly things longlong.h needs. */
+#define UWtype _FP_W_TYPE
+#define W_TYPE_SIZE _FP_W_TYPE_SIZE
+
+typedef int SItype __attribute__((mode(SI)));
+typedef int DItype __attribute__((mode(DI)));
+typedef unsigned int USItype __attribute__((mode(SI)));
+typedef unsigned int UDItype __attribute__((mode(DI)));
+#if _FP_W_TYPE_SIZE == 32
+typedef unsigned int UHWtype __attribute__((mode(HI)));
+#elif _FP_W_TYPE_SIZE == 64
+typedef USItype UHWtype;
+#endif
+
+#ifndef umul_ppmm
+#include <stdlib/longlong.h>
+#endif
+
+#endif
--- /dev/null
+/* Software floating-point emulation.
+ Return sqrt(a)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "double.h"
+
+double __sqrtdf2(double a)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A); FP_DECL_D(R);
+ double r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_D(A, a);
+ FP_SQRT_D(R, A);
+ FP_PACK_D(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return sqrt(a)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+
+float __sqrtsf2(float a)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A); FP_DECL_S(R);
+ float r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_S(A, a);
+ FP_SQRT_S(R, A);
+ FP_PACK_S(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return sqrt(a)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double __sqrttf2(long double a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(R);
+ long double r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_Q(A, a);
+ FP_SQRT_Q(R, A);
+ FP_PACK_Q(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return a - b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "double.h"
+
+double __subdf3(double a, double b)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A); FP_DECL_D(B); FP_DECL_D(R);
+ double r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_D(A, a);
+ FP_UNPACK_D(B, b);
+ FP_SUB_D(R, A, B);
+ FP_PACK_D(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return a - b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+
+float __subsf3(float a, float b)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A); FP_DECL_S(B); FP_DECL_S(R);
+ float r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_S(A, a);
+ FP_UNPACK_S(B, b);
+ FP_SUB_S(R, A, B);
+ FP_PACK_S(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return a - b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double __subtf3(long double a, long double b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(R);
+ long double r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_Q(A, a);
+ FP_UNPACK_Q(B, b);
+ FP_SUB_Q(R, A, B);
+ FP_PACK_Q(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+#define _FP_W_TYPE_SIZE 64
+#define _FP_W_TYPE unsigned long
+#define _FP_WS_TYPE signed long
+#define _FP_I_TYPE long
+
+#define _alpha_mul_64_128(rhi, rlo, x, y) \
+ __asm__("umulh %2,%3,%0; mulq %2,%3,%1" \
+ : "=&r"(rhi), "=r"(rlo) : "r"(x), "r"(y))
+
+#define _FP_MUL_MEAT_S(R,X,Y) \
+ _FP_MUL_MEAT_1_imm(_FP_WFRACBITS_S,R,X,Y)
+#define _FP_MUL_MEAT_D(R,X,Y) \
+ _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_D,R,X,Y,_alpha_mul_64_128)
+#define _FP_MUL_MEAT_Q(R,X,Y) \
+ _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,_alpha_mul_64_128)
+
+#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_imm(S,R,X,Y,_FP_DIV_HELP_imm)
+#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_1_udiv(D,R,X,Y)
+#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv(Q,R,X,Y)
+
+#define _FP_NANFRAC_S _FP_QNANBIT_S
+#define _FP_NANFRAC_D _FP_QNANBIT_D
+#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0
+/* FIXME: This is just a wild guess */
+#define _FP_NANSIGN_S 1
+#define _FP_NANSIGN_D 1
+#define _FP_NANSIGN_Q 1
+
+#define _FP_KEEPNANFRACP 1
+#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
+ do { \
+ R##_s = Y##_s; \
+ _FP_FRAC_COPY_##wc(R,Y); \
+ R##_c = FP_CLS_NAN; \
+ } while (0)
--- /dev/null
+#define _FP_W_TYPE_SIZE 32
+#define _FP_W_TYPE unsigned long
+#define _FP_WS_TYPE signed long
+#define _FP_I_TYPE long
+
+#define __FP_FRAC_ADD_2(rh, rl, xh, xl, yh, yl) \
+ __asm__("addl %5,%1; adcl %3,%0" \
+ : "=r"(rh), "=r"(rl) \
+ : "%0"(xh), "g"(yh), "%1"(xl), "g"(yl) \
+ : "cc")
+
+#define __FP_FRAC_ADD_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \
+ do { \
+ __asm__ volatile("addl %5,%1; adcl %3,%0" \
+ : "=r"(r1), "=r"(r0) \
+ : "%0"(x1), "g"(y1), "%1"(x0), "g"(y0) \
+ : "cc"); \
+ __asm__ volatile("adcl %5,%1; adcl %3,%0" \
+ : "=r"(r3), "=r"(r2) \
+ : "%0"(x3), "g"(y3), "%1"(x2), "g"(y2) \
+ : "cc"); \
+ } while (0)
+
+#define __FP_FRAC_SUB_2(rh, rl, xh, xl, yh, yl) \
+ __asm__("subl %5,%1; sbbl %4,%0" \
+ : "=r"(rh), "=r"(rl) \
+ : "0"(xh), "1"(xl), "g"(yh), "g"(yl) \
+ : "cc")
+
+#define __FP_CLZ(r, x) \
+ do { \
+ __asm__("bsrl %1,%0" : "=r"(r) : "g"(x) : "cc"); \
+ r ^= 31; \
+ } while (0)
+
+#define _i386_mul_32_64(rh, rl, x, y) \
+ __asm__("mull %2" : "=d"(rh), "=a"(rl) : "%g"(x), "1"(y) : "cc")
+
+#define _i386_div_64_32(q, r, nh, nl, d) \
+ __asm__ ("divl %4" : "=a"(q), "=d"(r) : "0"(nl), "1"(nh), "g"(d) : "cc")
+
+
+#define _FP_MUL_MEAT_S(R,X,Y) \
+ _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,_i386_mul_32_64)
+#define _FP_MUL_MEAT_D(R,X,Y) \
+ _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,_i386_mul_32_64)
+
+#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_NANFRAC_S _FP_QNANBIT_S
+#define _FP_NANFRAC_D _FP_QNANBIT_D, 0
+#define _FP_NANSIGN_S 1
+#define _FP_NANSIGN_D 1
+
+#define _FP_KEEPNANFRACP 1
+/* Here is something Intel misdesigned: the specs don't define
+ the case where we have two NaNs with same mantissas, but
+ different sign. Different operations pick up different NaNs.
+ */
+#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
+ do { \
+ if (_FP_FRAC_GT_##wc(X, Y) \
+ || (_FP_FRAC_EQ_##wc(X,Y) && (OP == '+' || OP == '*'))) \
+ { \
+ R##_s = X##_s; \
+ _FP_FRAC_COPY_##wc(R,X); \
+ } \
+ else \
+ { \
+ R##_s = Y##_s; \
+ _FP_FRAC_COPY_##wc(R,Y); \
+ } \
+ R##_c = FP_CLS_NAN; \
+ } while (0)
+
+#define FP_EX_INVALID (1 << 0)
+#define FP_EX_DENORM (1 << 1)
+#define FP_EX_DIVZERO (1 << 2)
+#define FP_EX_OVERFLOW (1 << 3)
+#define FP_EX_UNDERFLOW (1 << 4)
+#define FP_EX_INEXACT (1 << 5)
+
+#define FP_RND_NEAREST 0
+#define FP_RND_ZERO 3
+#define FP_RND_PINF 2
+#define FP_RND_MINF 1
--- /dev/null
+#define _FP_W_TYPE_SIZE 64
+#define _FP_W_TYPE unsigned long
+#define _FP_WS_TYPE signed long
+#define _FP_I_TYPE long
+
+#define _FP_MUL_MEAT_S(R,X,Y) \
+ _FP_MUL_MEAT_1_imm(_FP_WFRACBITS_S,R,X,Y)
+#define _FP_MUL_MEAT_D(R,X,Y) \
+ _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
+#define _FP_MUL_MEAT_Q(R,X,Y) \
+ _FP_MUL_MEAT_2_wide_3mul(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
+
+#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_imm(S,R,X,Y,_FP_DIV_HELP_imm)
+#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_1_udiv(D,R,X,Y)
+#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv(Q,R,X,Y)
+
+#define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1)
+#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1)
+#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1
+#define _FP_NANSIGN_S 0
+#define _FP_NANSIGN_D 0
+#define _FP_NANSIGN_Q 0
+
+#define _FP_KEEPNANFRACP 1
+/* From my experiments it seems X is chosen unless one of the
+ NaNs is sNaN, in which case the result is NANSIGN/NANFRAC. */
+#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
+ do { \
+ if ((_FP_FRAC_HIGH_RAW_##fs(X) | \
+ _FP_FRAC_HIGH_RAW_##fs(Y)) & _FP_QNANBIT_##fs) \
+ { \
+ R##_s = _FP_NANSIGN_##fs; \
+ _FP_FRAC_SET_##wc(R,_FP_NANFRAC_##fs); \
+ } \
+ else \
+ { \
+ R##_s = X##_s; \
+ _FP_FRAC_COPY_##wc(R,X); \
+ } \
+ R##_c = FP_CLS_NAN; \
+ } while (0)
+
+#define FP_EX_INVALID (1 << 4)
+#define FP_EX_DIVZERO (1 << 3)
+#define FP_EX_OVERFLOW (1 << 2)
+#define FP_EX_UNDERFLOW (1 << 1)
+#define FP_EX_INEXACT (1 << 0)
--- /dev/null
+#define _FP_W_TYPE_SIZE 32
+#define _FP_W_TYPE unsigned long
+#define _FP_WS_TYPE signed long
+#define _FP_I_TYPE long
+
+#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
+/* From my experiments it seems X is chosen unless one of the
+ NaNs is sNaN, in which case the result is NANSIGN/NANFRAC. */
+#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
+ do { \
+ if ((_FP_FRAC_HIGH_RAW_##fs(X) | \
+ _FP_FRAC_HIGH_RAW_##fs(Y)) & _FP_QNANBIT_##fs) \
+ { \
+ R##_s = _FP_NANSIGN_##fs; \
+ _FP_FRAC_SET_##wc(R,_FP_NANFRAC_##fs); \
+ } \
+ else \
+ { \
+ R##_s = X##_s; \
+ _FP_FRAC_COPY_##wc(R,X); \
+ } \
+ R##_c = FP_CLS_NAN; \
+ } while (0)
+
+#define FP_EX_INVALID (1 << 4)
+#define FP_EX_DIVZERO (1 << 3)
+#define FP_EX_OVERFLOW (1 << 2)
+#define FP_EX_UNDERFLOW (1 << 1)
+#define FP_EX_INEXACT (1 << 0)
--- /dev/null
+#define _FP_W_TYPE_SIZE 32
+#define _FP_W_TYPE unsigned long
+#define _FP_WS_TYPE signed long
+#define _FP_I_TYPE long
+
+#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
+
+/* Someone please check this. */
+#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)
+
+/* Exception flags. */
+#define FP_EX_INVALID (1 << 4)
+#define FP_EX_OVERFLOW (1 << 3)
+#define FP_EX_UNDERFLOW (1 << 2)
+#define FP_EX_DIVZERO (1 << 1)
+#define FP_EX_INEXACT (1 << 0)
--- /dev/null
+# Software floating-point emulation.
+# Makefile for SPARC v8 long double utility functions (_Q_*).
+# Copyright (C) 1999 Free Software Foundation, Inc.
+# This file is part of the GNU C Library.
+# Contributed by Jakub Jelinek (jj@ultra.linux.cz).
+#
+# 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. */
+
+# Currently gcc does not support TFmode long double on sparc32
+# so these routines are not used.
+#ifeq ($(subdir),soft-fp)
+#sparc32-quad-routines := q_add q_cmp q_cmpe q_div q_dtoq q_feq q_fge \
+# q_fgt q_fle q_flt q_fne q_itoq q_mul q_neg q_qtod q_qtoi \
+# q_qtos q_qtoui q_qtoux q_qtox q_sqrt q_stoq q_sub q_uitoq \
+# q_uxtoq q_xtoq q_util
+#routines += $(sparc32-quad-routines)
+#
+#endif
--- /dev/null
+/* Software floating-point emulation.
+ Return a + b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double _Q_add(const long double a, const long double b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C);
+ long double c;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_Q(A, a);
+ FP_UNPACK_Q(B, b);
+ FP_ADD_Q(C, A, B);
+ FP_PACK_Q(c, C);
+ FP_HANDLE_EXCEPTIONS;
+ return c;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Compare a and b, return float condition code.
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+int _Q_cmp(const long double a, const long double b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B);
+ int r;
+
+ FP_UNPACK_RAW_Q(A, a);
+ FP_UNPACK_RAW_Q(B, b);
+ FP_CMP_Q(r, B, A, 3);
+ if (r == -1) r = 2;
+ if (r == 3 && (FP_ISSIGNAN_Q(A) || FP_ISSIGNAN_Q(B)))
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Compare a and b, return float condition code.
+ Signal exception (unless masked) if unordered.
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+int _Q_cmpe(const long double a, const long double b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B);
+ int r;
+
+ FP_UNPACK_RAW_Q(A, a);
+ FP_UNPACK_RAW_Q(B, b);
+ FP_CMP_Q(r, B, A, 3);
+ if (r == -1) r = 2;
+ if (r == 3)
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return a / b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double _Q_div(const long double a, const long double b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C);
+ long double c;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_Q(A, a);
+ FP_UNPACK_Q(B, b);
+ FP_DIV_Q(C, A, B);
+ FP_PACK_Q(c, C);
+ FP_HANDLE_EXCEPTIONS;
+ return long double;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return (long double)(a)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "double.h"
+#include "quad.h"
+
+long double _Q_dtoq(const double a)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A);
+ FP_DECL_Q(C);
+ long double c;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_D(A, a);
+#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q
+ FP_CONV(Q,D,4,2,C,A);
+#else
+ FP_CONV(Q,D,2,1,C,A);
+#endif
+ FP_PACK_Q(c, C);
+ FP_HANDLE_EXCEPTIONS;
+ return c;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return 1 if a == b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+int _Q_feq(const long double a, const long double b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B);
+ int r;
+
+ FP_UNPACK_RAW_Q(A, a);
+ FP_UNPACK_RAW_Q(B, b);
+ FP_CMP_EQ_Q(r, A, B);
+ if (r && (FP_ISSIGNAN_Q(A) || FP_ISSIGNAN_Q(B)))
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+ FP_HANDLE_EXCEPTIONS;
+
+ return !r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return 1 if a >= b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+int _Q_fge(const long double a, const long double b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B);
+ int r;
+
+ FP_UNPACK_RAW_Q(A, a);
+ FP_UNPACK_RAW_Q(B, b);
+ FP_CMP_Q(r, B, A, 3);
+ if (r == 3)
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+ FP_HANDLE_EXCEPTIONS;
+
+ return (r <= 0);
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return 1 if a > b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+int _Q_fgt(const long double a, const long double b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B);
+ int r;
+
+ FP_UNPACK_RAW_Q(A, a);
+ FP_UNPACK_RAW_Q(B, b);
+ FP_CMP_Q(r, B, A, 3);
+ if (r == 3)
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+ FP_HANDLE_EXCEPTIONS;
+
+ return (r == -1);
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return 1 if a <= b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+int _Q_fle(const long double a, const long double b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B);
+ int r;
+
+ FP_UNPACK_RAW_Q(A, a);
+ FP_UNPACK_RAW_Q(B, b);
+ FP_CMP_Q(r, B, A, -2);
+ if (r == -2)
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+ FP_HANDLE_EXCEPTIONS;
+
+ return (r >= 0);
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return 1 if a < b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+int _Q_flt(const long double a, const long double b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B);
+ int r;
+
+ FP_UNPACK_RAW_Q(A, a);
+ FP_UNPACK_RAW_Q(B, b);
+ FP_CMP_Q(r, B, A, 3);
+ if (r == 3)
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+ FP_HANDLE_EXCEPTIONS;
+
+ return (r == 1);
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return 1 if a != b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+int _Q_fne(const long double a, const long double b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B);
+ int r;
+
+ FP_UNPACK_RAW_Q(A, a);
+ FP_UNPACK_RAW_Q(B, b);
+ FP_CMP_EQ_Q(r, A, B);
+ if (r && (FP_ISSIGNAN_Q(A) || FP_ISSIGNAN_Q(B)))
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return (long double)(a)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double _Q_itoq(const int a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(C);
+ int b = a;
+ long double c;
+
+ FP_FROM_INT_Q(C, b, 32, int);
+ FP_PACK_Q(c, C);
+ FP_CLEAR_EXCEPTIONS;
+ FP_HANDLE_EXCEPTIONS;
+ return c;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return a * b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double _Q_mul(const long double a, const long double b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C);
+ long double c;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_Q(A, a);
+ FP_UNPACK_Q(B, b);
+ FP_MUL_Q(C, A, B);
+ FP_PACK_Q(c, C);
+ FP_HANDLE_EXCEPTIONS;
+ return c;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return !a
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double _Q_neg(const long double a)
+{
+ FP_DECL_EX;
+ long double c = a;
+
+#if (__BYTE_ORDER == __BIG_ENDIAN)
+ ((UWtype *)&c)[0] ^= (((UWtype)1) << (W_TYPE_SIZE - 1));
+#elif (__BYTE_ORDER == __LITTLE_ENDIAN) && (W_TYPE_SIZE == 64)
+ ((UWtype *)&c)[1] ^= (((UWtype)1) << (W_TYPE_SIZE - 1));
+#elif (__BYTE_ORDER == __LITTLE_ENDIAN) && (W_TYPE_SIZE == 32)
+ ((UWtype *)&c)[3] ^= (((UWtype)1) << (W_TYPE_SIZE - 1));
+#else
+ FP_DECL_Q(A); FP_DECL_Q(C);
+
+ FP_UNPACK_Q(A, a);
+ FP_NEG_Q(C, A);
+ FP_PACK_Q(c, C);
+#endif
+ FP_CLEAR_EXCEPTIONS;
+ FP_HANDLE_EXCEPTIONS;
+ return c;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return (double)a
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "double.h"
+#include "quad.h"
+
+double _Q_qtod(const long double a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ FP_DECL_D(R);
+ double r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_Q(A, a);
+#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q
+ FP_CONV(D,Q,2,4,R,A);
+#else
+ FP_CONV(D,Q,1,2,R,A);
+#endif
+ FP_PACK_D(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return (int)a
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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 FP_ROUNDMODE FP_RND_ZERO
+#include "soft-fp.h"
+#include "quad.h"
+
+int _Q_qtoi(const long double a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ int r;
+
+ FP_UNPACK_Q(A, a);
+ FP_TO_INT_Q(r, A, 32, 1);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return (float)a
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+#include "quad.h"
+
+float _Q_qtos(const long double a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ FP_DECL_S(R);
+ float r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_Q(A, a);
+#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q
+ FP_CONV(S,Q,1,4,R,A);
+#else
+ FP_CONV(S,Q,1,2,R,A);
+#endif
+ FP_PACK_S(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return (unsigned int)a
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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 FP_ROUNDMODE FP_RND_ZERO
+#include "soft-fp.h"
+#include "quad.h"
+
+unsigned int _Q_qtoui(const long double a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ unsigned int r;
+
+ FP_UNPACK_Q(A, a);
+ FP_TO_INT_Q(r, A, 32, -1);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return (unsigned long)a
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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 FP_ROUNDMODE FP_RND_ZERO
+#include "soft-fp.h"
+#include "quad.h"
+
+unsigned long long _Q_qtoux(const long double a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ unsigned long long r;
+
+ FP_UNPACK_Q(A, a);
+ FP_TO_INT_Q(r, A, 64, -1);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return (long)a
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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 FP_ROUNDMODE FP_RND_ZERO
+#include "soft-fp.h"
+#include "quad.h"
+
+long long _Q_qtox(const long double a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ long long r;
+
+ FP_UNPACK_Q(A, a);
+ FP_TO_INT_Q(r, A, 64, 1);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return sqrtl(a)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double _Q_sqrt(const long double a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(C);
+ long double c;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_Q(A, a);
+ FP_SQRT_Q(C, A);
+ FP_PACK_Q(c, C);
+ FP_HANDLE_EXCEPTIONS;
+ return c;
+}
--- /dev/null
+/* Software floating-point emulation.
+ c = (long double)(a)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+#include "quad.h"
+
+long double _Q_stoq(const float a)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A);
+ FP_DECL_Q(C);
+ long double c;
+
+ FP_UNPACK_S(A, a);
+#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q
+ FP_CONV(Q,S,4,1,C,A);
+#else
+ FP_CONV(Q,S,2,1,C,A);
+#endif
+ FP_PACK_Q(c, C);
+ FP_HANDLE_EXCEPTIONS;
+ return c;
+}
--- /dev/null
+/* Software floating-point emulation.
+ c = a - b
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double _Q_sub(const long double a, const long double b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C);
+ long double c;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_Q(A, a);
+ FP_UNPACK_Q(B, b);
+ FP_SUB_Q(C, A, B);
+ FP_PACK_Q(c, C);
+ FP_HANDLE_EXCEPTIONS;
+ return c;
+}
--- /dev/null
+/* Software floating-point emulation.
+ c = (long double)(a)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double _Q_uitoq(const unsigned int a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(C);
+ long double c;
+ unsigned int b = a;
+
+ FP_FROM_INT_Q(C, b, 32, int);
+ FP_PACK_Q(c, C);
+ FP_CLEAR_EXCEPTIONS;
+ FP_HANDLE_EXCEPTIONS;
+ return c;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Helper routine for _Q_* routines.
+ Simulate exceptions using double arithmetics.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+
+unsigned long long ___Q_numbers [] = {
+0x0000000000000000ULL, /* Zero */
+0x0010100000000000ULL, /* Very tiny number */
+0x0010000000000000ULL, /* Minimum normalized number */
+0x7fef000000000000ULL, /* A huge double number */
+};
+
+double ___Q_simulate_exceptions(int exceptions)
+{
+ double d, *p = (double *)___Q_numbers;
+ if (exceptions & FP_EX_INVALID)
+ d = p[0]/p[0];
+ if (exceptions & FP_EX_OVERFLOW)
+ {
+ d = p[3] + p[3];
+ exceptions &= ~FP_EX_INEXACT;
+ }
+ if (exceptions & FP_EX_UNDERFLOW)
+ {
+ if (exceptions & FP_EX_INEXACT)
+ {
+ d = p[2] * p[2];
+ exceptions &= ~FP_EX_INEXACT;
+ }
+ else
+ d = p[1] - p[2];
+ }
+ if (exceptions & FP_EX_DIVZERO)
+ d = 1.0/p[0];
+ if (exceptions & FP_EX_INEXACT)
+ d = p[3] - p[2];
+ return d;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return (long double)(a)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double _Q_uxtoq(const unsigned long long a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(C);
+ long double c;
+ unsigned long long b = a;
+
+ FP_FROM_INT_Q(C, b, 64, long long);
+ FP_PACK_Q(c, C);
+ FP_CLEAR_EXCEPTIONS;
+ FP_HANDLE_EXCEPTIONS;
+ return c;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return (long double)a
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double _Q_xtoq(const long long a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(C);
+ long double c;
+ long long b = a;
+
+ FP_FROM_INT_Q(C, b, 64, long long);
+ FP_PACK_Q(c, C);
+ FP_CLEAR_EXCEPTIONS;
+ FP_HANDLE_EXCEPTIONS;
+ return c;
+}
--- /dev/null
+/* Machine-dependent software floating-point definitions.
+ Sparc userland (_Q_*) 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) and
+ David S. Miller (davem@redhat.com).
+
+ 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. */
+
+#include <fpu_control.h>
+
+#define _FP_W_TYPE_SIZE 32
+#define _FP_W_TYPE unsigned long
+#define _FP_WS_TYPE signed long
+#define _FP_I_TYPE long
+
+#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.
+ */
+/* For _Qp_* and _Q_*, this should prefer X, for
+ * CPU instruction emulation this should prefer Y.
+ * (see SPAMv9 B.2.2 section).
+ */
+#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) \
+ __asm__ ("addcc %r7,%8,%2
+ addxcc %r5,%6,%1
+ addx %r3,%4,%0" \
+ : "=r" ((USItype)(r2)), \
+ "=&r" ((USItype)(r1)), \
+ "=&r" ((USItype)(r0)) \
+ : "%rJ" ((USItype)(x2)), \
+ "rI" ((USItype)(y2)), \
+ "%rJ" ((USItype)(x1)), \
+ "rI" ((USItype)(y1)), \
+ "%rJ" ((USItype)(x0)), \
+ "rI" ((USItype)(y0)) \
+ : "cc")
+
+#define __FP_FRAC_SUB_3(r2,r1,r0,x2,x1,x0,y2,y1,y0) \
+ __asm__ ("subcc %r7,%8,%2
+ subxcc %r5,%6,%1
+ subx %r3,%4,%0" \
+ : "=r" ((USItype)(r2)), \
+ "=&r" ((USItype)(r1)), \
+ "=&r" ((USItype)(r0)) \
+ : "%rJ" ((USItype)(x2)), \
+ "rI" ((USItype)(y2)), \
+ "%rJ" ((USItype)(x1)), \
+ "rI" ((USItype)(y1)), \
+ "%rJ" ((USItype)(x0)), \
+ "rI" ((USItype)(y0)) \
+ : "cc")
+
+#define __FP_FRAC_ADD_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \
+ do { \
+ /* We need to fool gcc, as we need to pass more than 10 \
+ input/outputs. */ \
+ register USItype _t1 __asm__ ("g1"), _t2 __asm__ ("g2"); \
+ __asm__ __volatile__ ("
+ addcc %r8,%9,%1
+ addxcc %r6,%7,%0
+ addxcc %r4,%5,%%g2
+ addx %r2,%3,%%g1" \
+ : "=&r" ((USItype)(r1)), \
+ "=&r" ((USItype)(r0)) \
+ : "%rJ" ((USItype)(x3)), \
+ "rI" ((USItype)(y3)), \
+ "%rJ" ((USItype)(x2)), \
+ "rI" ((USItype)(y2)), \
+ "%rJ" ((USItype)(x1)), \
+ "rI" ((USItype)(y1)), \
+ "%rJ" ((USItype)(x0)), \
+ "rI" ((USItype)(y0)) \
+ : "cc", "g1", "g2"); \
+ __asm__ __volatile__ ("" : "=r" (_t1), "=r" (_t2)); \
+ r3 = _t1; r2 = _t2; \
+ } while (0)
+
+#define __FP_FRAC_SUB_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \
+ do { \
+ /* We need to fool gcc, as we need to pass more than 10 \
+ input/outputs. */ \
+ register USItype _t1 __asm__ ("g1"), _t2 __asm__ ("g2"); \
+ __asm__ __volatile__ ("
+ subcc %r8,%9,%1
+ subxcc %r6,%7,%0
+ subxcc %r4,%5,%%g2
+ subx %r2,%3,%%g1" \
+ : "=&r" ((USItype)(r1)), \
+ "=&r" ((USItype)(r0)) \
+ : "%rJ" ((USItype)(x3)), \
+ "rI" ((USItype)(y3)), \
+ "%rJ" ((USItype)(x2)), \
+ "rI" ((USItype)(y2)), \
+ "%rJ" ((USItype)(x1)), \
+ "rI" ((USItype)(y1)), \
+ "%rJ" ((USItype)(x0)), \
+ "rI" ((USItype)(y0)) \
+ : "cc", "g1", "g2"); \
+ __asm__ __volatile__ ("" : "=r" (_t1), "=r" (_t2)); \
+ r3 = _t1; r2 = _t2; \
+ } while (0)
+
+#define __FP_FRAC_DEC_3(x2,x1,x0,y2,y1,y0) __FP_FRAC_SUB_3(x2,x1,x0,x2,x1,x0,y2,y1,y0)
+
+#define __FP_FRAC_DEC_4(x3,x2,x1,x0,y3,y2,y1,y0) __FP_FRAC_SUB_4(x3,x2,x1,x0,x3,x2,x1,x0,y3,y2,y1,y0)
+
+#define __FP_FRAC_ADDI_4(x3,x2,x1,x0,i) \
+ __asm__ ("addcc %3,%4,%3
+ addxcc %2,%%g0,%2
+ addxcc %1,%%g0,%1
+ addx %0,%%g0,%0" \
+ : "=&r" ((USItype)(x3)), \
+ "=&r" ((USItype)(x2)), \
+ "=&r" ((USItype)(x1)), \
+ "=&r" ((USItype)(x0)) \
+ : "rI" ((USItype)(i)), \
+ "0" ((USItype)(x3)), \
+ "1" ((USItype)(x2)), \
+ "2" ((USItype)(x1)), \
+ "3" ((USItype)(x0)) \
+ : "cc")
+
+/* Obtain the current rounding mode. */
+#ifndef FP_ROUNDMODE
+#define FP_ROUNDMODE ((_fcw >> 30) & 0x3)
+#endif
+
+/* Exception flags. */
+#define FP_EX_INVALID (1 << 4)
+#define FP_EX_OVERFLOW (1 << 3)
+#define FP_EX_UNDERFLOW (1 << 2)
+#define FP_EX_DIVZERO (1 << 1)
+#define FP_EX_INEXACT (1 << 0)
+
+#define _FP_DECL_EX fpu_control_t _fcw
+
+#define FP_INIT_ROUNDMODE \
+do { \
+ _FPU_GETCW(_fcw); \
+} while (0)
+
+/* Simulate exceptions using double arithmetics. */
+extern double ___Q_simulate_exceptions(int exc);
+
+#define FP_HANDLE_EXCEPTIONS \
+do { \
+ if (!_fex) \
+ { \
+ /* This is the common case, so we do it inline. \
+ * We need to clear cexc bits if any. \
+ */ \
+ extern unsigned long long ___Q_numbers[]; \
+ __asm__ __volatile__("
+ ldd [%0], %%f30
+ faddd %%f30, %%f30, %%f30
+ " : : "r" (___Q_numbers) : "f30"); \
+ } \
+ else \
+ { \
+ __asm__ __volatile__("
+ mov %0, %%o0
+ mov %%o7, %%g1
+ call ___Q_simulate_exceptions
+ mov %%g1, %%o7
+ " : : "r" (_fex) : \
+ "g1", "g2", "g3", "g4", "g5", "o0", \
+ "o1", "o2", "o3", "o4", "o5", "cc"); \
+ } \
+} while (0)
--- /dev/null
+# Software floating-point emulation.
+# Makefile for SPARC v9 ABI mandated long double utility
+# functions (_Qp_*).
+# Copyright (C) 1999 Free Software Foundation, Inc.
+# This file is part of the GNU C Library.
+# Contributed by Jakub Jelinek (jj@ultra.linux.cz).
+#
+# 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.
+
+ifeq ($(subdir),soft-fp)
+sparc64-quad-routines := qp_add qp_cmp qp_cmpe qp_div qp_dtoq qp_feq qp_fge \
+ qp_fgt qp_fle qp_flt qp_fne qp_itoq qp_mul qp_neg qp_qtod qp_qtoi \
+ qp_qtos qp_qtoui qp_qtoux qp_qtox qp_sqrt qp_stoq qp_sub qp_uitoq \
+ qp_uxtoq qp_xtoq qp_util
+routines += $(sparc64-quad-routines)
+endif
+
+ifeq ($(subdir),math)
+CPPFLAGS += -I../soft-fp/
+endif
--- /dev/null
+libc {
+ GLIBC_2.1.1 {
+ _Qp_add; _Qp_cmp; _Qp_cmpe; _Qp_div; _Qp_dtoq; _Qp_feq; _Qp_fge; _Qp_fgt;
+ _Qp_fle; _Qp_flt; _Qp_fne; _Qp_itoq; _Qp_mul; _Qp_neg; _Qp_qtod; _Qp_qtoi;
+ _Qp_qtos; _Qp_qtoui; _Qp_qtoux; _Qp_qtox; _Qp_sqrt; _Qp_stoq; _Qp_sub;
+ _Qp_uitoq; _Qp_uxtoq; _Qp_xtoq; __Qp_handle_exceptions;
+}
--- /dev/null
+/* Software floating-point emulation.
+ (*c) = (*a) + (*b)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+void _Qp_add(long double *c, const long double *a, const long double *b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C);
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_QP(A, a);
+ FP_UNPACK_QP(B, b);
+ FP_ADD_Q(C, A, B);
+ FP_PACK_QP(c, C);
+ QP_HANDLE_EXCEPTIONS(__asm (
+ "ldd [%1], %%f52
+ ldd [%1+8], %%f54
+ ldd [%2], %%f56
+ ldd [%2+8], %%f58
+ faddq %%f52, %%f56, %%f60
+ std %%f60, [%0]
+ std %%f62, [%0+8]
+ " : : "r" (c), "r" (a), "r" (b) : QP_CLOBBER));
+}
--- /dev/null
+/* Software floating-point emulation.
+ Compare (*a) and (*b), return float condition code.
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+int _Qp_cmp(const long double *a, const long double *b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B);
+ int r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_RAW_QP(A, a);
+ FP_UNPACK_RAW_QP(B, b);
+ FP_CMP_Q(r, B, A, 3);
+ if (r == -1) r = 2;
+ if (r == 3 && (FP_ISSIGNAN_Q(A) || FP_ISSIGNAN_Q(B)))
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+ QP_HANDLE_EXCEPTIONS(
+ __asm (
+ "ldd [%0], %%f52
+ ldd [%0+8], %%f54
+ ldd [%1], %%f56
+ ldd [%1+8], %%f58
+ fcmpq %%fcc3, %%f52, %%f56
+ " : : "r" (a), "r" (b) : QP_CLOBBER_CC);
+ _FPU_GETCW(_fcw);
+ r = ((_fcw >> 36) & 3));
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Compare (*a) and (*b), return float condition code.
+ Signal exception (unless masked) if unordered.
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+int _Qp_cmpe(const long double *a, const long double *b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B);
+ int r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_RAW_QP(A, a);
+ FP_UNPACK_RAW_QP(B, b);
+ FP_CMP_Q(r, B, A, 3);
+ if (r == -1) r = 2;
+ if (r == 3)
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+ QP_HANDLE_EXCEPTIONS(
+ __asm (
+ "ldd [%0], %%f52
+ ldd [%0+8], %%f54
+ ldd [%1], %%f56
+ ldd [%1+8], %%f58
+ fcmpeq %%fcc3, %%f52, %%f56
+ " : : "r" (a), "r" (b) : QP_CLOBBER_CC);
+ _FPU_GETCW(_fcw);
+ r = ((_fcw >> 36) & 3));
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ (*c) = (*a) / (*b)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+void _Qp_div(long double *c, const long double *a, const long double *b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C);
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_QP(A, a);
+ FP_UNPACK_QP(B, b);
+ FP_DIV_Q(C, A, B);
+ FP_PACK_QP(c, C);
+ QP_HANDLE_EXCEPTIONS(__asm (
+ "ldd [%1], %%f52
+ ldd [%1+8], %%f54
+ ldd [%2], %%f56
+ ldd [%2+8], %%f58
+ fdivq %%f52, %%f56, %%f60
+ std %%f60, [%0]
+ std %%f62, [%0+8]
+ " : : "r" (c), "r" (a), "r" (b) : QP_CLOBBER));
+}
--- /dev/null
+/* Software floating-point emulation.
+ (*c) = (long double)(a)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "double.h"
+#include "quad.h"
+
+void _Qp_dtoq(long double *c, const double a)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A);
+ FP_DECL_Q(C);
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_D(A, a);
+#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q
+ FP_CONV(Q,D,4,2,C,A);
+#else
+ FP_CONV(Q,D,2,1,C,A);
+#endif
+ FP_PACK_QP(c, C);
+ QP_HANDLE_EXCEPTIONS(__asm (
+ "fdtoq %1, %%f60
+ std %%f60, [%0]
+ std %%f62, [%0+8]
+ " : : "r" (c), "e" (a) : QP_CLOBBER));
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return 1 if (*a) == (*b)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+int _Qp_feq(const long double *a, const long double *b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B);
+ int r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_RAW_QP(A, a);
+ FP_UNPACK_RAW_QP(B, b);
+ FP_CMP_EQ_Q(r, A, B);
+ if (r && (FP_ISSIGNAN_Q(A) || FP_ISSIGNAN_Q(B)))
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+
+ QP_HANDLE_EXCEPTIONS(
+ __asm (
+ "ldd [%0], %%f52
+ ldd [%0+8], %%f54
+ ldd [%1], %%f56
+ ldd [%1+8], %%f58
+ fcmpq %%fcc3, %%f52, %%f56
+ " : : "r" (a), "r" (b) : QP_CLOBBER_CC);
+ _FPU_GETCW(_fcw);
+ r = ((_fcw >> 36) & 3));
+
+ return !r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return 1 if (*a) >= (*b)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+int _Qp_fge(const long double *a, const long double *b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B);
+ int r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_RAW_QP(A, a);
+ FP_UNPACK_RAW_QP(B, b);
+ FP_CMP_Q(r, B, A, 3);
+ if (r == 3)
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+
+ QP_HANDLE_EXCEPTIONS(
+ __asm (
+ "ldd [%0], %%f52
+ ldd [%0+8], %%f54
+ ldd [%1], %%f56
+ ldd [%1+8], %%f58
+ fcmpeq %%fcc3, %%f52, %%f56
+ " : : "r" (a), "r" (b) : QP_CLOBBER_CC);
+ _FPU_GETCW(_fcw);
+ r = ((_fcw >> 36) & 1));
+
+ return (r <= 0);
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return 1 if (*a) > (*b)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+int _Qp_fgt(const long double *a, const long double *b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B);
+ int r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_RAW_QP(A, a);
+ FP_UNPACK_RAW_QP(B, b);
+ FP_CMP_Q(r, B, A, 3);
+ if (r == 3)
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+
+ QP_HANDLE_EXCEPTIONS(
+ __asm (
+ "ldd [%0], %%f52
+ ldd [%0+8], %%f54
+ ldd [%1], %%f56
+ ldd [%1+8], %%f58
+ fcmpeq %%fcc3, %%f52, %%f56
+ " : : "r" (a), "r" (b) : QP_CLOBBER_CC);
+ _FPU_GETCW(_fcw);
+ r = ((_fcw >> 36) & 3) - 3);
+
+ return (r == -1);
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return 1 if (*a) <= (*b)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+int _Qp_fle(const long double *a, const long double *b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B);
+ int r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_RAW_QP(A, a);
+ FP_UNPACK_RAW_QP(B, b);
+ FP_CMP_Q(r, B, A, -2);
+ if (r == -2)
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+
+ QP_HANDLE_EXCEPTIONS(
+ __asm (
+ "ldd [%0], %%f52
+ ldd [%0+8], %%f54
+ ldd [%1], %%f56
+ ldd [%1+8], %%f58
+ fcmpeq %%fcc3, %%f52, %%f56
+ " : : "r" (a), "r" (b) : QP_CLOBBER_CC);
+ _FPU_GETCW(_fcw);
+ r = ((_fcw >> 36) & 2) ? -1 : 0);
+
+ return (r >= 0);
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return 1 if (*a) < (*b)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+int _Qp_flt(const long double *a, const long double *b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B);
+ int r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_RAW_QP(A, a);
+ FP_UNPACK_RAW_QP(B, b);
+ FP_CMP_Q(r, B, A, 3);
+ if (r == 3)
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+
+ QP_HANDLE_EXCEPTIONS(
+ __asm (
+ "ldd [%0], %%f52
+ ldd [%0+8], %%f54
+ ldd [%1], %%f56
+ ldd [%1+8], %%f58
+ fcmpeq %%fcc3, %%f52, %%f56
+ " : : "r" (a), "r" (b) : QP_CLOBBER_CC);
+ _FPU_GETCW(_fcw);
+ r = ((_fcw >> 36) & 3));
+
+ return (r == 1);
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return 1 if (*a) != (*b)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+int _Qp_fne(const long double *a, const long double *b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B);
+ int r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_RAW_QP(A, a);
+ FP_UNPACK_RAW_QP(B, b);
+ FP_CMP_EQ_Q(r, A, B);
+ if (r && (FP_ISSIGNAN_Q(A) || FP_ISSIGNAN_Q(B)))
+ FP_SET_EXCEPTION(FP_EX_INVALID);
+
+ QP_HANDLE_EXCEPTIONS(
+ __asm (
+ "ldd [%0], %%f52
+ ldd [%0+8], %%f54
+ ldd [%1], %%f56
+ ldd [%1+8], %%f58
+ fcmpq %%fcc3, %%f52, %%f56
+ " : : "r" (a), "r" (b) : QP_CLOBBER_CC);
+ _FPU_GETCW(_fcw);
+ r = ((_fcw >> 36) & 3) != 0);
+
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ (*c) = (long double)(a)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+void _Qp_itoq(long double *c, const int a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(C);
+ int b = a;
+
+ FP_FROM_INT_Q(C, b, 32, int);
+ FP_PACK_QP(c, C);
+ QP_NO_EXCEPTIONS;
+}
--- /dev/null
+/* Software floating-point emulation.
+ (*c) = (*a) * (*b)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+/* As QP_HANDLE_EXCEPTIONS reloads FPU control word anyway,
+ avoid doing it twice. */
+#define _FP_MUL_MEAT_RESET_FE do {} while (0)
+#include "soft-fp.h"
+#include "quad.h"
+
+void _Qp_mul(long double *c, const long double *a, const long double *b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C);
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_QP(A, a);
+ FP_UNPACK_QP(B, b);
+ FP_MUL_Q(C, A, B);
+ FP_PACK_QP(c, C);
+ QP_HANDLE_EXCEPTIONS(
+ _FPU_SETCW(_fcw);
+ __asm (
+ "ldd [%1], %%f52
+ ldd [%1+8], %%f54
+ ldd [%2], %%f56
+ ldd [%2+8], %%f58
+ fmulq %%f52, %%f56, %%f60
+ std %%f60, [%0]
+ std %%f62, [%0+8]
+ " : : "r" (c), "r" (a), "r" (b) : QP_CLOBBER));
+}
--- /dev/null
+/* Quad floating-point emulation.
+ (*c) = !(*a)
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include <sysdep.h>
+
+ENTRY(_Qp_neg)
+ ldd [%o1], %f60
+ ldd [%o1 + 8], %f62
+ fnegd %f60, %f60
+ std %f60, [%o0]
+ jmpl %o7 + 8, %g0
+ std %f62, [%o0 + 8]
+END(_Qp_neg)
--- /dev/null
+/* Software floating-point emulation.
+ Return (double)(*a)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "double.h"
+#include "quad.h"
+
+double _Qp_qtod(const long double *a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ FP_DECL_D(R);
+ double r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_QP(A, a);
+#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q
+ FP_CONV(D,Q,2,4,R,A);
+#else
+ FP_CONV(D,Q,1,2,R,A);
+#endif
+ FP_PACK_D(r, R);
+ QP_HANDLE_EXCEPTIONS(__asm (
+ "ldd [%1], %%f52
+ ldd [%1+8], %%f54
+ fqtod %%f52, %0
+ " : "=&e" (r) : "r" (a) : QP_CLOBBER));
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return (int)(*a)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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 FP_ROUNDMODE FP_RND_ZERO
+#include "soft-fp.h"
+#include "quad.h"
+
+int _Qp_qtoi(const long double *a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ int r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_QP(A, a);
+ FP_TO_INT_Q(r, A, 32, 1);
+ QP_HANDLE_EXCEPTIONS(
+ int rx;
+ __asm (
+ "ldd [%1], %%f52
+ ldd [%1+8], %%f54
+ fqtoi %%f52, %%f60
+ st %%f60, [%0]
+ " : : "r" (&rx), "r" (a) : QP_CLOBBER);
+ r = rx);
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return (float)(*a)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+#include "quad.h"
+
+float _Qp_qtos(const long double *a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ FP_DECL_S(R);
+ float r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_QP(A, a);
+#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q
+ FP_CONV(S,Q,1,4,R,A);
+#else
+ FP_CONV(S,Q,1,2,R,A);
+#endif
+ FP_PACK_S(r, R);
+
+ QP_HANDLE_EXCEPTIONS(__asm (
+ "ldd [%1], %%f52
+ ldd [%1+8], %%f54
+ fqtos %%f52, %0
+ " : "=&f" (r) : "r" (a) : QP_CLOBBER));
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return (unsigned int)(*a)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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 FP_ROUNDMODE FP_RND_ZERO
+#include "soft-fp.h"
+#include "quad.h"
+
+unsigned int _Qp_qtoui(const long double *a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ unsigned int r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_QP(A, a);
+ FP_TO_INT_Q(r, A, 32, -1);
+ QP_HANDLE_EXCEPTIONS(
+ int rx;
+ __asm (
+ "ldd [%1], %%f52
+ ldd [%1+8], %%f54
+ fqtoi %%f52, %%f60
+ st %%f60, [%0]
+ " : : "r" (&rx), "r" (a) : QP_CLOBBER);
+ r = rx);
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return (unsigned long)(*a)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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 FP_ROUNDMODE FP_RND_ZERO
+#include "soft-fp.h"
+#include "quad.h"
+
+unsigned long _Qp_qtoux(const long double *a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ unsigned long r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_QP(A, a);
+ FP_TO_INT_Q(r, A, 64, -1);
+ QP_HANDLE_EXCEPTIONS(
+ unsigned long rx;
+ __asm (
+ "ldd [%1], %%f52
+ ldd [%1+8], %%f54
+ fqtoi %%f52, %%f60
+ std %%f60, [%0]
+ " : : "r" (&rx), "r" (a) : QP_CLOBBER);
+ r = rx);
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Return (long)(*a)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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 FP_ROUNDMODE FP_RND_ZERO
+#include "soft-fp.h"
+#include "quad.h"
+
+long _Qp_qtox(const long double *a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ long r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_QP(A, a);
+ FP_TO_INT_Q(r, A, 64, 1);
+ QP_HANDLE_EXCEPTIONS(
+ long rx;
+ __asm (
+ "ldd [%1], %%f52
+ ldd [%1+8], %%f54
+ fqtoi %%f52, %%f60
+ std %%f60, [%0]
+ " : : "r" (&rx), "r" (a) : QP_CLOBBER);
+ r = rx);
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ (*c) = sqrtl(*a)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+void _Qp_sqrt(long double *c, const long double *a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(C);
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_QP(A, a);
+ FP_SQRT_Q(C, A);
+ FP_PACK_QP(c, C);
+ QP_HANDLE_EXCEPTIONS(__asm (
+ "ldd [%1], %%f52
+ ldd [%1+8], %%f54
+ fsqrtq %%f52, %%f60
+ std %%f60, [%0]
+ std %%f62, [%0+8]
+ " : : "r" (c), "r" (a) : QP_CLOBBER));
+}
--- /dev/null
+/* Software floating-point emulation.
+ (*c) = (long double)(a)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+#include "quad.h"
+
+void _Qp_stoq(long double *c, const float a)
+{
+ FP_DECL_EX;
+ FP_DECL_S(A);
+ FP_DECL_Q(C);
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_S(A, a);
+#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q
+ FP_CONV(Q,S,4,1,C,A);
+#else
+ FP_CONV(Q,S,2,1,C,A);
+#endif
+ FP_PACK_QP(c, C);
+ QP_HANDLE_EXCEPTIONS(__asm (
+ "fstoq %1, %%f60
+ std %%f60, [%0]
+ std %%f62, [%0+8]
+ " : : "r" (c), "f" (a) : QP_CLOBBER));
+}
--- /dev/null
+/* Software floating-point emulation.
+ (*c) = (*a) - (*b)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+void _Qp_sub(long double *c, const long double *a, const long double *b)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C);
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_QP(A, a);
+ FP_UNPACK_QP(B, b);
+ FP_SUB_Q(C, A, B);
+ FP_PACK_QP(c, C);
+ QP_HANDLE_EXCEPTIONS(__asm (
+ "ldd [%1], %%f52
+ ldd [%1+8], %%f54
+ ldd [%2], %%f56
+ ldd [%2+8], %%f58
+ fsubq %%f52, %%f56, %%f60
+ std %%f60, [%0]
+ std %%f62, [%0+8]
+ " : : "r" (c), "r" (a), "r" (b) : QP_CLOBBER));
+}
--- /dev/null
+/* Software floating-point emulation.
+ (*c) = (long double)(a)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+void _Qp_uitoq(long double *c, const unsigned int a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(C);
+ unsigned int b = a;
+
+ FP_FROM_INT_Q(C, b, 32, int);
+ FP_PACK_QP(c, C);
+ QP_NO_EXCEPTIONS;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Helper routine for _Qp_* routines.
+ Simulate exceptions using double arithmetics.
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+
+static unsigned long numbers [] = {
+0x7fef000000000000UL, /* A huge double number */
+0x0010100000000000UL, /* Very tiny number */
+0x0010000000000000UL, /* Minimum normalized number */
+0x0000000000000000UL, /* Zero */
+};
+
+double __Qp_handle_exceptions(int exceptions)
+{
+ double d, *p = (double *)numbers;
+ if (exceptions & FP_EX_INVALID)
+ d = p[3]/p[3];
+ if (exceptions & FP_EX_OVERFLOW)
+ {
+ d = p[0] + p[0];
+ exceptions &= ~FP_EX_INEXACT;
+ }
+ if (exceptions & FP_EX_UNDERFLOW)
+ {
+ if (exceptions & FP_EX_INEXACT)
+ {
+ d = p[2] * p[2];
+ exceptions &= ~FP_EX_INEXACT;
+ }
+ else
+ d = p[1] - p[2];
+ }
+ if (exceptions & FP_EX_DIVZERO)
+ d = 1.0/p[3];
+ if (exceptions & FP_EX_INEXACT)
+ d = p[0] - p[2];
+ return d;
+}
--- /dev/null
+/* Software floating-point emulation.
+ (*c) = (long double)(a)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+void _Qp_uxtoq(long double *c, const unsigned long a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(C);
+ unsigned long b = a;
+
+ FP_FROM_INT_Q(C, b, 64, long);
+ FP_PACK_QP(c, C);
+ QP_NO_EXCEPTIONS;
+}
--- /dev/null
+/* Software floating-point emulation.
+ (*c) = (long double)(*a)
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+void _Qp_xtoq(long double *c, const long a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(C);
+ long b = a;
+
+ FP_FROM_INT_Q(C, b, 64, long);
+ FP_PACK_QP(c, C);
+ QP_NO_EXCEPTIONS;
+}
--- /dev/null
+/* Software floating-point emulation.
+ frexpl(x, exp)
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+/*
+ * for non-zero x
+ * x = frexpl(arg,&exp);
+ * return a long double fp quantity x such that 0.5 <= |x| <1.0
+ * and the corresponding binary exponent "exp". That is
+ * arg = x*2^exp.
+ * If arg is inf, 0.0, or NaN, then frexpl(arg,&exp) returns arg
+ * with *exp=0.
+ */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double __frexpl(long double arg, int *exp)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ long double r;
+
+ *exp = 0;
+ FP_UNPACK_Q(A, arg);
+ if (A_c != FP_CLS_NORMAL)
+ return arg;
+ *exp = A_e + 1;
+ A_e = -1;
+ FP_PACK_Q(r, A);
+
+ return r;
+}
+
+weak_alias (__frexpl, frexpl)
--- /dev/null
+/* Software floating-point emulation.
+ ilogbl(x, exp)
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+/* ilogbl(long double x)
+ * return the binary exponent of non-zero x
+ * ilogbl(0) = 0x80000001
+ * ilogbl(inf/NaN) = 0x7fffffff (no signal is raised)
+ */
+
+#include "soft-fp.h"
+#include "quad.h"
+#include <math.h>
+
+int __ilogbl(long double x)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(X);
+
+/*
+ FP_UNPACK_Q(X, x);
+ switch (X_c)
+ {
+ case FP_CLS_ZERO:
+ return FP_ILOGB0;
+ case FP_CLS_NAN:
+ case FP_CLS_INF:
+ return FP_ILOGBNAN;
+ default:
+ return X_e;
+ }
+ */
+ FP_UNPACK_RAW_Q(X, x);
+ switch (X_e)
+ {
+ default:
+ return X_e - _FP_EXPBIAS_Q;
+ case 0:
+#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q
+ if (_FP_FRAC_ZEROP_4(X))
+ return FP_ILOGB0;
+ else
+ {
+ _FP_I_TYPE shift;
+ _FP_FRAC_CLZ_4(shift, X);
+ shift -= _FP_FRACXBITS_Q;
+ return X_e - _FP_EXPBIAS_Q - 1 + shift;
+ }
+#else
+ if (_FP_FRAC_ZEROP_2(X))
+ return FP_ILOGB0;
+ else
+ {
+ _FP_I_TYPE shift;
+ _FP_FRAC_CLZ_2(shift, X);
+ shift -= _FP_FRACXBITS_Q;
+ return X_e - _FP_EXPBIAS_Q - 1 + shift;
+ }
+#endif
+ case _FP_EXPBIAS_Q:
+ return FP_ILOGBNAN;
+ }
+}
+
+weak_alias (__ilogbl, ilogbl)
--- /dev/null
+/* Software floating-point emulation.
+ scalblnl(x, exp)
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+/*
+ * scalblnl (long double x, long int n)
+ * scalblnl(x,n) returns x* 2**n computed by exponent
+ * manipulation rather than by actually performing an
+ * exponentiation or a multiplication.
+ */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double __scalblnl(long double arg, int exp)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ long double r;
+
+ FP_UNPACK_Q(A, arg);
+ switch (A_c)
+ {
+ case FP_CLS_ZERO:
+ return arg;
+ case FP_CLS_NAN:
+ case FP_CLS_INF:
+ FP_HANDLE_EXCEPTIONS;
+ return arg;
+ }
+ A_e += exp;
+ FP_PACK_Q(r, A);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
+
+weak_alias (__scalblnl, scalblnl)
--- /dev/null
+/* Software floating-point emulation.
+ scalbnl(x, exp)
+ Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+/*
+ * scalbnl (long double x, int n)
+ * scalbnl(x,n) returns x* 2**n computed by exponent
+ * manipulation rather than by actually performing an
+ * exponentiation or a multiplication.
+ */
+
+#include "soft-fp.h"
+#include "quad.h"
+
+long double __scalbnl(long double arg, int exp)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ long double r;
+
+ FP_UNPACK_Q(A, arg);
+ switch (A_c)
+ {
+ case FP_CLS_ZERO:
+ return arg;
+ case FP_CLS_NAN:
+ case FP_CLS_INF:
+ FP_HANDLE_EXCEPTIONS;
+ return arg;
+ }
+ A_e += exp;
+ FP_PACK_Q(r, A);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
+
+weak_alias (__scalbnl, scalbnl)
--- /dev/null
+/* Machine-dependent software floating-point definitions.
+ Sparc64 userland (_Q_* and _Qp_*) 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) and
+ David S. Miller (davem@redhat.com).
+
+ 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. */
+
+#include <fpu_control.h>
+#include <fenv.h>
+
+#define _FP_W_TYPE_SIZE 64
+#define _FP_W_TYPE unsigned long
+#define _FP_WS_TYPE signed long
+#define _FP_I_TYPE long
+
+/* Helper macros for _FP_MUL_MEAT_2_120_240_double. */
+#define _FP_MUL_MEAT_SET_FE_TZ \
+do { \
+ static fpu_control_t _fetz = _FPU_RC_DOWN; \
+ _FPU_SETCW(_fetz); \
+} while (0)
+#ifndef _FP_MUL_MEAT_RESET_FE
+#define _FP_MUL_MEAT_RESET_FE _FPU_SETCW(_fcw)
+#endif
+
+#define _FP_MUL_MEAT_S(R,X,Y) \
+ _FP_MUL_MEAT_1_imm(_FP_WFRACBITS_S,R,X,Y)
+#define _FP_MUL_MEAT_D(R,X,Y) \
+ _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
+#define _FP_MUL_MEAT_Q(R,X,Y) \
+ _FP_MUL_MEAT_2_120_240_double(_FP_WFRACBITS_Q,R,X,Y, \
+ _FP_MUL_MEAT_SET_FE_TZ, \
+ _FP_MUL_MEAT_RESET_FE)
+
+#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_imm(S,R,X,Y,_FP_DIV_HELP_imm)
+#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_1_udiv(D,R,X,Y)
+#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv(Q,R,X,Y)
+
+#define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1)
+#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1)
+#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 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 Y.
+ */
+#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
+ do { \
+ if ((_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs) \
+ && !(_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)) \
+ { \
+ R##_s = X##_s; \
+ _FP_FRAC_COPY_##wc(R,X); \
+ } \
+ else \
+ { \
+ R##_s = Y##_s; \
+ _FP_FRAC_COPY_##wc(R,Y); \
+ } \
+ R##_c = FP_CLS_NAN; \
+ } while (0)
+
+/* Obtain the current rounding mode. */
+#ifndef FP_ROUNDMODE
+#define FP_ROUNDMODE ((_fcw >> 30) & 0x3)
+#endif
+
+/* Exception flags. */
+#define FP_EX_INVALID (1 << 4)
+#define FP_EX_OVERFLOW (1 << 3)
+#define FP_EX_UNDERFLOW (1 << 2)
+#define FP_EX_DIVZERO (1 << 1)
+#define FP_EX_INEXACT (1 << 0)
+
+#define _FP_DECL_EX fpu_control_t _fcw
+
+#define FP_INIT_ROUNDMODE \
+do { \
+ _FPU_GETCW(_fcw); \
+} while (0)
+
+#define FP_INHIBIT_RESULTS ((_fcw >> 23) & _fex)
+
+/* Simulate exceptions using double arithmetics. */
+extern double __Qp_handle_exceptions(int exc);
+
+#define FP_HANDLE_EXCEPTIONS \
+do { \
+ if (!_fex) \
+ { \
+ /* This is the common case, so we do it inline. \
+ * We need to clear cexc bits if any. \
+ */ \
+ __asm__ __volatile__("
+ fzero %%f62
+ faddd %%f62, %%f62, %%f62
+ " : : : "f62"); \
+ } \
+ else \
+ { \
+ __Qp_handle_exceptions (_fex); \
+ } \
+} while (0)
+
+#define QP_HANDLE_EXCEPTIONS(_a) \
+do { \
+ if ((_fcw >> 23) & _fex) \
+ { \
+ _a; \
+ } \
+ else \
+ { \
+ _fcw = (_fcw & ~0x1fL) | (_fex << 5) | _fex; \
+ _FPU_SETCW(_fcw); \
+ } \
+} while (0)
+
+#define QP_NO_EXCEPTIONS \
+ __asm ("fzero %%f62
+ faddd %%f62, %%f62, %%f62" : : : "f62")
+
+#define QP_CLOBBER "memory", "f52", "f54", "f56", "f58", "f60", "f62"
+#define QP_CLOBBER_CC QP_CLOBBER , "cc"
--- /dev/null
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+#include "soft-fp.h"
+#include "single.h"
+#include "double.h"
+
+#include <fpu_control.h>
+
+/*======================================================================*/
+/* declarations for the functions we are testing */
+
+double __adddf3(double, double);
+double __subdf3(double, double);
+double __muldf3(double, double);
+double __divdf3(double, double);
+double __negdf2(double);
+double __sqrtdf2(double);
+double __negdf3(double a, double dummy) { return __negdf2(a); }
+double __sqrtdf3(double a, double dummy) { return __sqrtdf2(a); }
+
+float __addsf3(float, float);
+float __subsf3(float, float);
+float __mulsf3(float, float);
+float __divsf3(float, float);
+float __negsf2(float);
+float __sqrtsf2(float);
+float __negsf3(float a, float dummy) { return __negsf2(a); }
+float __sqrtsf3(float a, float dummy) { return __sqrtsf2(a); }
+
+int __fixdfsi(double);
+int __fixsfsi(float);
+double __floatsidf(int);
+float __floatsisf(int);
+double __extendsfdf2(float);
+float __truncdfsf2(double);
+
+int __eqdf2(double, double);
+int __nedf2(double, double);
+int __gtdf2(double, double);
+int __gedf2(double, double);
+int __ltdf2(double, double);
+int __ledf2(double, double);
+
+int __eqsf2(float, float);
+int __nesf2(float, float);
+int __gtsf2(float, float);
+int __gesf2(float, float);
+int __ltsf2(float, float);
+int __lesf2(float, float);
+
+/*======================================================================*/
+/* definitions for functions we are checking against */
+
+double r_adddf3(double a, double b) { return a + b; }
+double r_subdf3(double a, double b) { return a - b; }
+double r_muldf3(double a, double b) { return a * b; }
+double r_divdf3(double a, double b) { return a / b; }
+double r_negdf3(double a, double b) { return -a; }
+double sqrt(double x);
+double r_sqrtdf3(double a, double b) { return sqrt(a); }
+
+float r_addsf3(float a, float b) { return a + b; }
+float r_subsf3(float a, float b) { return a - b; }
+float r_mulsf3(float a, float b) { return a * b; }
+float r_divsf3(float a, float b) { return a / b; }
+float r_negsf3(float a, float b) { return -a; }
+float sqrtf(float x);
+float r_sqrtsf3(float a, float b) { return sqrtf(a); }
+
+int r_fixdfsi(double a) { return (int)a; }
+int r_fixsfsi(float a) { return (int)a; }
+double r_floatsidf(int a) { return (double)a; }
+float r_floatsisf(int a) { return (float)a; }
+double r_extendsfdf2(float a) { return (double)a; }
+float r_truncdfsf2(double a) { return (float)a; }
+
+int r_eqdf2(double a, double b) { return !(a == b); }
+int r_nedf2(double a, double b) { return a != b; }
+int r_gtdf2(double a, double b) { return a > b; }
+int r_gedf2(double a, double b) { return (a >= b) - 1; }
+int r_ltdf2(double a, double b) { return -(a < b); }
+int r_ledf2(double a, double b) { return 1 - (a <= b); }
+
+int r_eqsf2(float a, float b) { return !(a == b); }
+int r_nesf2(float a, float b) { return a != b; }
+int r_gtsf2(float a, float b) { return a > b; }
+int r_gesf2(float a, float b) { return (a >= b) - 1; }
+int r_ltsf2(float a, float b) { return -(a < b); }
+int r_lesf2(float a, float b) { return 1 - (a <= b); }
+
+/*======================================================================*/
+
+void print_float(float x)
+{
+ union _FP_UNION_S ux;
+ ux.flt = x;
+ printf("%-20.8e %X %02X %06lX",
+ x, ux.bits.sign, ux.bits.exp, (unsigned long)ux.bits.frac);
+}
+
+void print_double(double x)
+{
+ union _FP_UNION_D ux;
+ ux.flt = x;
+#if _FP_W_TYPE_SIZE < _FP_FRACBITS_D
+ printf("%-30.18e %X %04X %06lX%08lX",
+ x, ux.bits.sign, ux.bits.exp,
+ (unsigned long)ux.bits.frac1, (unsigned long)ux.bits.frac0);
+#else
+ printf("%-30.18e %X %04X %014lX",
+ x, ux.bits.sign, ux.bits.exp,
+ (unsigned long)ux.bits.frac);
+#endif
+}
+
+float rand_float(void)
+{
+ union {
+ union _FP_UNION_S u;
+ int i;
+ } u;
+
+ u.i = lrand48() << 1;
+
+ if (u.u.bits.exp == _FP_EXPMAX_S)
+ u.u.bits.exp--;
+ else if (u.u.bits.exp == 0 && u.u.bits.frac != 0)
+ u.u.bits.exp++;
+
+ return u.u.flt;
+}
+
+
+double rand_double(void)
+{
+ union {
+ union _FP_UNION_D u;
+ int i[2];
+ } u;
+
+ u.i[0] = lrand48() << 1;
+ u.i[1] = lrand48() << 1;
+
+ if (u.u.bits.exp == _FP_EXPMAX_D)
+ u.u.bits.exp--;
+#if _FP_W_TYPE_SIZE < _FP_FRACBITS_D
+ else if (u.u.bits.exp == 0 && !(u.u.bits.frac0 == 0 && u.u.bits.frac1 == 0))
+ u.u.bits.exp++;
+#else
+ else if (u.u.bits.exp == 0 && u.u.bits.frac != 0)
+ u.u.bits.exp++;
+#endif
+
+ return u.u.flt;
+}
+
+#define NSPECIALS 10
+
+float gen_special_float(int i)
+{
+ FP_DECL_EX;
+ FP_DECL_S(X);
+ float x;
+
+ switch (i & ~1)
+ {
+ case 0:
+ X_c = FP_CLS_NAN; X_f = 0x1234;
+ break;
+ case 2:
+ X_c = FP_CLS_NAN; X_f = 0x1;
+ break;
+ case 4:
+ X_c = FP_CLS_INF;
+ break;
+ case 6:
+ X_c = FP_CLS_ZERO;
+ break;
+ case 8:
+ X_c = FP_CLS_NORMAL; X_e = 0;
+ X_f = 0x4321;
+ break;
+ }
+ X_s = (i & 1);
+
+ FP_PACK_S(x, X);
+ return x;
+}
+
+double gen_special_double(int i)
+{
+ FP_DECL_EX;
+ FP_DECL_D(X);
+ double x;
+
+ switch (i & ~1)
+ {
+ case 0:
+ X_c = FP_CLS_NAN;
+#if _FP_W_TYPE_SIZE < _FP_FRACBITS_D
+ __FP_FRAC_SET_2(X, _FP_QNANBIT_D, 0x1234);
+#else
+ _FP_FRAC_SET_1(X, _FP_QNANBIT_D | 0x1234);
+#endif
+ break;
+ case 2:
+ X_c = FP_CLS_NAN;
+#if _FP_W_TYPE_SIZE < _FP_FRACBITS_D
+ __FP_FRAC_SET_2(X, _FP_QNANBIT_D, 0x1);
+#else
+ _FP_FRAC_SET_1(X, _FP_QNANBIT_D | 0x1);
+#endif
+ break;
+ case 4:
+ X_c = FP_CLS_INF;
+ break;
+ case 6:
+ X_c = FP_CLS_ZERO;
+ break;
+ case 8:
+ X_c = FP_CLS_NORMAL; X_e = 0;
+#if _FP_W_TYPE_SIZE < _FP_FRACBITS_D
+ __FP_FRAC_SET_2(X, 0, 0x87654321);
+#else
+ _FP_FRAC_SET_1(X, 0x87654321);
+#endif
+ break;
+ }
+ X_s = (i & 1);
+
+ FP_PACK_D(x, X);
+ return x;
+}
+
+float build_float(const char *s, const char *e, const char *f)
+{
+ union _FP_UNION_S u;
+
+ u.bits.sign = strtoul(s, 0, 16);
+ u.bits.exp = strtoul(e, 0, 16);
+ u.bits.frac = strtoul(f, 0, 16);
+
+ return u.flt;
+}
+
+double build_double(const char *s, const char *e, const char *f)
+{
+ union _FP_UNION_D u;
+
+ u.bits.sign = strtoul(s, 0, 16);
+ u.bits.exp = strtoul(e, 0, 16);
+#if _FP_W_TYPE_SIZE < _FP_FRACBITS_D
+ {
+ size_t len = strlen(f)+1;
+ char *dup = memcpy(alloca(len), f, len);
+ char *low = dup + len - _FP_W_TYPE_SIZE/4 - 1;
+
+ u.bits.frac0 = strtoul(low, 0, 16);
+ *low = 0;
+ u.bits.frac1 = strtoul(dup, 0, 16);
+ }
+#else
+ u.bits.frac = strtoul(f, 0, 16);
+#endif
+
+ return u.flt;
+}
+
+/*======================================================================*/
+
+fpu_control_t fcw0, fcw1;
+
+void test_float_arith(float (*tf)(float, float),
+ float (*rf)(float, float),
+ float x, float y)
+{
+ float tr, rr;
+ rr = (*rf)(x, y);
+ tr = (*tf)(x, y);
+ if (memcmp(&tr, &rr, sizeof(float)) != 0)
+ {
+ fputs("error:\n\tx = ", stdout); print_float(x);
+ fputs("\n\ty = ", stdout); print_float(y);
+ fputs("\n\ttrue = ", stdout); print_float(rr);
+ fputs("\n\tfalse = ", stdout); print_float(tr);
+ putchar('\n');
+ }
+}
+
+void test_double_arith(double (*tf)(double, double),
+ double (*rf)(double, double),
+ double x, double y)
+{
+ double tr, rr;
+#ifdef __i386__
+ /* Don't worry. Even this does not make it error free
+ on ia32. If the result is denormal, it will not
+ honour the double precision and generate bad results
+ anyway. On the other side, who wants to use ia32
+ for IEEE math? I don't. */
+ _FPU_GETCW(fcw0);
+ fcw1 = ((fcw0 & ~_FPU_EXTENDED) | _FPU_DOUBLE);
+ _FPU_SETCW(fcw1);
+#endif
+ rr = (*rf)(x, y);
+#ifdef __i386__
+ _FPU_SETCW(fcw0);
+#endif
+ tr = (*tf)(x, y);
+ if (memcmp(&tr, &rr, sizeof(double)) != 0)
+ {
+ fputs("error:\n\tx = ", stdout); print_double(x);
+ fputs("\n\ty = ", stdout); print_double(y);
+ fputs("\n\ttrue = ", stdout); print_double(rr);
+ fputs("\n\tfalse = ", stdout); print_double(tr);
+ putchar('\n');
+ }
+}
+
+void test_float_double_conv(float x)
+{
+ double tr, rr;
+ rr = r_extendsfdf2(x);
+ tr = __extendsfdf2(x);
+ if (memcmp(&tr, &rr, sizeof(double)) != 0)
+ {
+ fputs("error:\n\tx = ", stdout); print_float(x);
+ fputs("\n\ttrue = ", stdout); print_double(rr);
+ fputs("\n\tfalse = ", stdout); print_double(tr);
+ putchar('\n');
+ }
+}
+
+void test_double_float_conv(double x)
+{
+ float tr, rr;
+ rr = r_truncdfsf2(x);
+ tr = __truncdfsf2(x);
+ if (memcmp(&tr, &rr, sizeof(float)) != 0)
+ {
+ fputs("error:\n\tx = ", stdout); print_double(x);
+ fputs("\n\ttrue = ", stdout); print_float(rr);
+ fputs("\n\tfalse = ", stdout); print_float(tr);
+ putchar('\n');
+ }
+}
+
+void test_int_float_conv(int x)
+{
+ float tr, rr;
+ rr = r_floatsisf(x);
+ tr = __floatsisf(x);
+ if (memcmp(&tr, &rr, sizeof(float)) != 0)
+ {
+ printf("error\n\tx = %d", x);
+ fputs("\n\ttrue = ", stdout); print_float(rr);
+ fputs("\n\tfalse = ", stdout); print_float(tr);
+ putchar('\n');
+ }
+}
+
+void test_int_double_conv(int x)
+{
+ double tr, rr;
+ rr = r_floatsidf(x);
+ tr = __floatsidf(x);
+ if (memcmp(&tr, &rr, sizeof(double)) != 0)
+ {
+ printf("error\n\tx = %d", x);
+ fputs("\n\ttrue = ", stdout); print_double(rr);
+ fputs("\n\tfalse = ", stdout); print_double(tr);
+ putchar('\n');
+ }
+}
+
+void test_float_int_conv(float x)
+{
+ int tr, rr;
+ rr = r_fixsfsi(x);
+ tr = __fixsfsi(x);
+ if (rr != tr)
+ {
+ fputs("error:\n\tx = ", stdout); print_float(x);
+ printf("\n\ttrue = %d\n\tfalse = %d\n", rr, tr);
+ }
+}
+
+void test_double_int_conv(double x)
+{
+ int tr, rr;
+ rr = r_fixsfsi(x);
+ tr = __fixsfsi(x);
+ if (rr != tr)
+ {
+ fputs("error:\n\tx = ", stdout); print_double(x);
+ printf("\n\ttrue = %d\n\tfalse = %d\n", rr, tr);
+ }
+}
+
+int eq0(int x) { return x == 0; }
+int ne0(int x) { return x != 0; }
+int le0(int x) { return x <= 0; }
+int lt0(int x) { return x < 0; }
+int ge0(int x) { return x >= 0; }
+int gt0(int x) { return x > 0; }
+
+void test_float_cmp(int (*tf)(float, float),
+ int (*rf)(float, float),
+ int (*cmp0)(int),
+ float x, float y)
+{
+ int tr, rr;
+ rr = (*rf)(x, y);
+ tr = (*tf)(x, y);
+ if (cmp0(rr) != cmp0(tr))
+ {
+ fputs("error:\n\tx = ", stdout); print_float(x);
+ fputs("\n\ty = ", stdout); print_float(y);
+ printf("\n\ttrue = %d\n\tfalse = %d\n", rr, tr);
+ }
+}
+
+void test_double_cmp(int (*tf)(double, double),
+ int (*rf)(double, double),
+ int (*cmp0)(int),
+ double x, double y)
+{
+ int tr, rr;
+ rr = (*rf)(x, y);
+ tr = (*tf)(x, y);
+ if (cmp0(rr) != cmp0(tr))
+ {
+ fputs("error:\n\tx = ", stdout); print_double(x);
+ fputs("\n\ty = ", stdout); print_double(y);
+ printf("\n\ttrue = %d\n\tfalse = %d\n", rr, tr);
+ }
+}
+
+
+/*======================================================================*/
+
+
+int main(int ac, char **av)
+{
+#ifdef __alpha__
+ __ieee_set_fp_control(0);
+#endif
+ av++, ac--;
+ switch (*(*av)++)
+ {
+ {
+ float (*r)(float, float);
+ float (*t)(float, float);
+
+ do {
+ case 'a': r = r_addsf3; t = __addsf3; break;
+ case 's': r = r_subsf3; t = __subsf3; break;
+ case 'm': r = r_mulsf3; t = __mulsf3; break;
+ case 'd': r = r_divsf3; t = __divsf3; break;
+ case 'r': r = r_sqrtsf3; t = __sqrtsf3; break;
+ case 'j': r = r_negsf3; t = __negsf3; break;
+ } while (0);
+
+ switch (*(*av)++)
+ {
+ case 'n':
+ {
+ int count = (ac > 1 ? atoi(av[1]) : 100);
+ while (count--)
+ test_float_arith(t, r, rand_float(), rand_float());
+ }
+ break;
+
+ case 's':
+ {
+ int i, j;
+ for (i = 0; i < NSPECIALS; i++)
+ for (j = 0; j < NSPECIALS; j++)
+ test_float_arith(t, r, gen_special_float(i),
+ gen_special_float(j));
+ }
+ break;
+
+ case 0:
+ if (ac < 7) abort();
+ test_float_arith(t, r, build_float(av[1], av[2], av[3]),
+ build_float(av[4], av[5], av[6]));
+ break;
+ }
+ }
+ break;
+
+ {
+ double (*r)(double, double);
+ double (*t)(double, double);
+
+ do {
+ case 'A': r = r_adddf3; t = __adddf3; break;
+ case 'S': r = r_subdf3; t = __subdf3; break;
+ case 'M': r = r_muldf3; t = __muldf3; break;
+ case 'D': r = r_divdf3; t = __divdf3; break;
+ case 'R': r = r_sqrtdf3; t = __sqrtdf3; break;
+ case 'J': r = r_negdf3; t = __negdf3; break;
+ } while (0);
+
+ switch (*(*av)++)
+ {
+ case 'n':
+ {
+ int count = (ac > 1 ? atoi(av[1]) : 100);
+ while (count--)
+ test_double_arith(t, r, rand_double(), rand_double());
+ }
+ break;
+
+ case 's':
+ {
+ int i, j;
+ for (i = 0; i < NSPECIALS; i++)
+ for (j = 0; j < NSPECIALS; j++)
+ test_double_arith(t, r, gen_special_double(i),
+ gen_special_double(j));
+ }
+ break;
+
+ case 0:
+ if (ac < 7) abort();
+ test_double_arith(t, r, build_double(av[1], av[2], av[3]),
+ build_double(av[4], av[5], av[6]));
+ break;
+ }
+ }
+ break;
+
+ case 'c':
+ switch (*(*av)++)
+ {
+ case 'n':
+ {
+ int count = (ac > 1 ? atoi(av[1]) : 100);
+ while (count--)
+ test_float_double_conv(rand_float());
+ }
+ break;
+
+ case 's':
+ {
+ int i;
+ for (i = 0; i < NSPECIALS; i++)
+ test_float_double_conv(gen_special_float(i));
+ }
+ break;
+
+ case 0:
+ if (ac < 4) abort();
+ test_float_double_conv(build_float(av[1], av[2], av[3]));
+ break;
+ }
+ break;
+
+ case 'C':
+ switch (*(*av)++)
+ {
+ case 'n':
+ {
+ int count = (ac > 1 ? atoi(av[1]) : 100);
+ while (count--)
+ test_double_float_conv(rand_double());
+ }
+ break;
+
+ case 's':
+ {
+ int i;
+ for (i = 0; i < NSPECIALS; i++)
+ test_double_float_conv(gen_special_double(i));
+ }
+ break;
+
+ case 0:
+ if (ac < 4) abort();
+ test_double_float_conv(build_double(av[1], av[2], av[3]));
+ break;
+ }
+ break;
+
+ case 'i':
+ switch (*(*av)++)
+ {
+ case 'n':
+ {
+ int count = (ac > 1 ? atoi(av[1]) : 100);
+ while (count--)
+ test_int_float_conv(lrand48() << 1);
+ }
+ break;
+
+ case 0:
+ if (ac < 2) abort();
+ test_int_float_conv(strtol(av[1], 0, 0));
+ break;
+ }
+ break;
+
+ case 'I':
+ switch (*(*av)++)
+ {
+ case 'n':
+ {
+ int count = (ac > 1 ? atoi(av[1]) : 100);
+ while (count--)
+ test_int_double_conv(lrand48() << 1);
+ }
+ break;
+
+ case 0:
+ if (ac < 2) abort();
+ test_int_double_conv(strtol(av[1], 0, 0));
+ break;
+ }
+ break;
+
+ case 'f':
+ switch (*(*av)++)
+ {
+ case 'n':
+ {
+ int count = (ac > 1 ? atoi(av[1]) : 100);
+ while (count--)
+ test_float_int_conv(rand_float());
+ }
+ break;
+
+ case 's':
+ {
+ int i;
+ for (i = 0; i < NSPECIALS; i++)
+ test_float_int_conv(gen_special_float(i));
+ }
+ break;
+
+ case 0:
+ if (ac < 4) abort();
+ test_float_int_conv(build_float(av[1], av[2], av[3]));
+ break;
+ }
+ break;
+
+ case 'F':
+ switch (*(*av)++)
+ {
+ case 'n':
+ {
+ int count = (ac > 1 ? atoi(av[1]) : 100);
+ while (count--)
+ test_double_int_conv(rand_double());
+ }
+ break;
+
+ case 's':
+ {
+ int i;
+ for (i = 0; i < NSPECIALS; i++)
+ test_double_int_conv(gen_special_double(i));
+ }
+ break;
+
+ case 0:
+ if (ac < 4) abort();
+ test_double_int_conv(build_double(av[1], av[2], av[3]));
+ break;
+ }
+ break;
+
+ {
+ int (*r)(float, float);
+ int (*t)(float, float);
+ int (*c)(int);
+
+ do {
+ case 'e': r = r_eqsf2; t = __eqsf2; c = eq0; break;
+ case 'n': r = r_nesf2; t = __nesf2; c = ne0; break;
+ case 'l':
+ switch (*(*av)++)
+ {
+ case 'e': r = r_lesf2; t = __lesf2; c = le0; break;
+ case 't': r = r_ltsf2; t = __ltsf2; c = lt0; break;
+ }
+ break;
+ case 'g':
+ switch (*(*av)++)
+ {
+ case 'e': r = r_gesf2; t = __gesf2; c = ge0; break;
+ case 't': r = r_gtsf2; t = __gtsf2; c = gt0; break;
+ }
+ break;
+ } while (0);
+
+ switch (*(*av)++)
+ {
+ case 'n':
+ {
+ int count = (ac > 1 ? atoi(av[1]) : 100);
+ while (count--)
+ test_float_cmp(t, r, c, rand_float(), rand_float());
+ }
+ break;
+
+ case 's':
+ {
+ int i, j;
+ for (i = 0; i < NSPECIALS; i++)
+ for (j = 0; j < NSPECIALS; j++)
+ test_float_cmp(t, r, c, gen_special_float(i),
+ gen_special_float(j));
+ }
+ break;
+
+ case 0:
+ if (ac < 7) abort();
+ test_float_cmp(t, r, c, build_float(av[1], av[2], av[3]),
+ build_float(av[4], av[5], av[6]));
+ break;
+ }
+ }
+ break;
+
+ {
+ int (*r)(double, double);
+ int (*t)(double, double);
+ int (*c)(int);
+
+ do {
+ case 'E': r = r_eqdf2; t = __eqdf2; c = eq0; break;
+ case 'N': r = r_nedf2; t = __nedf2; c = ne0; break;
+ case 'L':
+ switch (*(*av)++)
+ {
+ case 'E': r = r_ledf2; t = __ledf2; c = le0; break;
+ case 'T': r = r_ltdf2; t = __ltdf2; c = lt0; break;
+ }
+ break;
+ case 'G':
+ switch (*(*av)++)
+ {
+ case 'E': r = r_gedf2; t = __gedf2; c = ge0; break;
+ case 'T': r = r_gtdf2; t = __gtdf2; c = gt0; break;
+ }
+ break;
+ } while (0);
+
+ switch (*(*av)++)
+ {
+ case 'n':
+ {
+ int count = (ac > 1 ? atoi(av[1]) : 100);
+ while (count--)
+ test_double_cmp(t, r, c, rand_double(), rand_double());
+ }
+ break;
+
+ case 's':
+ {
+ int i, j;
+ for (i = 0; i < NSPECIALS; i++)
+ for (j = 0; j < NSPECIALS; j++)
+ test_double_cmp(t, r, c, gen_special_double(i),
+ gen_special_double(j));
+ }
+ break;
+
+ case 0:
+ if (ac < 7) abort();
+ test_double_cmp(t, r, c, build_double(av[1], av[2], av[3]),
+ build_double(av[4], av[5], av[6]));
+ break;
+ }
+ }
+ break;
+
+ default:
+ abort();
+ }
+
+ return 0;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Truncate IEEE double into IEEE single
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+#include "double.h"
+
+float __truncdfsf2(double a)
+{
+ FP_DECL_EX;
+ FP_DECL_D(A);
+ FP_DECL_S(R);
+ float r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_D(A, a);
+#if _FP_W_TYPE_SIZE < _FP_FRACBITS_D
+ FP_CONV(S,D,1,2,R,A);
+#else
+ FP_CONV(S,D,1,1,R,A);
+#endif
+ FP_PACK_S(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Truncate IEEE quad into IEEE double
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "double.h"
+#include "quad.h"
+
+double __trunctfdf2(long double a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ FP_DECL_D(R);
+ double r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_Q(A, a);
+#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q
+ FP_CONV(D,Q,2,4,R,A);
+#else
+ FP_CONV(D,Q,1,2,R,A);
+#endif
+ FP_PACK_D(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
--- /dev/null
+/* Software floating-point emulation.
+ Truncate IEEE quad into IEEE single
+ Copyright (C) 1997,1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ 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. */
+
+#include "soft-fp.h"
+#include "single.h"
+#include "quad.h"
+
+float __trunctfsf2(long double a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A);
+ FP_DECL_S(R);
+ float r;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_Q(A, a);
+#if (2 * _FP_W_TYPE_SIZE) < _FP_FRACBITS_Q
+ FP_CONV(S,Q,1,4,R,A);
+#else
+ FP_CONV(S,Q,1,2,R,A);
+#endif
+ FP_PACK_S(r, R);
+ FP_HANDLE_EXCEPTIONS;
+
+ return r;
+}
projects / platform / upstream / glibc.git / commitdiff