From aca0b0b315f6e5a0ee60981fd4b0cbc9a7f59096 Mon Sep 17 00:00:00 2001 From: Rainer Orth Date: Fri, 5 Aug 2011 15:13:48 +0000 Subject: soft-fp: Move to ../libgcc. gcc: * config/soft-fp: Move to ../libgcc. * Makefile.in (SFP_MACHINE): Remove. (libgcc-support): Remove $(SFP_MACHINE) dependency. * config/arm/sfp-machine.h: Move to ../libgcc/config/arm. * config/arm/t-arm-softfp: Move to ../libgcc/config/arm/t-softfp. * config/c6x/sfp-machine.h: Move to ../libgcc/config/c6x. * config/c6x/t-c6x-softfp: Remove. * config/i386/sfp-machine.h: Move to ../libgcc/config/i386. * config/i386/t-fprules-softfp: Move to ../libgcc/config/t-softfp-tf. * config/ia64/sfp-machine.h: Move to ../libgcc/config/ia64. * config/ia64/t-fprules-softfp: Remove. * config/lm32/sfp-machine.h: Move to ../libgcc/config/lm32. * config/lm32/t-fprules-softfp: Remove. * config/moxie/sfp-machine.h: Remove. * config/moxie/t-moxie-softfp: Remove. * config/rs6000/darwin-ldouble-format: Move to ../libgcc/config/rs6000/ibm-ldouble-format. * config/rs6000/darwin-ldouble.c: Move to ../libgcc/config/rs6000/ibm-ldouble.c * config/rs6000/libgcc-ppc-glibc.ver: Move to ../libgcc/config/rs6000. * config/rs6000/libgcc-ppc64.ver: Likewise. * config/rs6000/sfp-machine.h: Likewise. * config/rs6000/t-aix43 (SHLIB_MAPFILES): Remove $(srcdir)/config/rs6000/libgcc-ppc64.ver. (LIB2FUNCS_EXTRA): Remove. (TARGET_LIBGCC2_CFLAGS): Remove. * config/rs6000/t-aix52: Likewise * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Remove $(srcdir)/config/rs6000/darwin-ldouble.c. (SHLIB_MAPFILES): Remove. * config/rs6000/t-darwin64 (LIB2FUNCS_EXTRA): Remove $(srcdir)/config/rs6000/darwin-ldouble.c. * config/rs6000/t-fprules-softfp: Move to ../libgcc/config/t-softfp-sfdf. * config/rs6000/t-freebsd: Move to ../libgcc/config/rs6000. * config/rs6000/t-linux64 (softfp_wrap_start, softfp_wrap_end): Remove. * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Remove $(srcdir)/config/rs6000/darwin-ldouble.c. * config/score/sfp-machine.h: Move to ../libgcc/config/score. * config/score/t-score-softfp: Remove. * config.gcc (arm*-*-linux*): Remove arm/t-arm-softfp, soft-fp/t-softfp from tmake_file. (arm*-*-uclinux*): Likewise. (arm*-*-ecos-elf): Likewise. (arm*-*-eabi*, arm*-*-symbianelf*): Likewise. (arm*-*-rtems*): Likewise. (arm*-*-elf): Likewise. (moxie-*-elf): Remove moxie/t-moxie-softfp, soft-fp/t-softfp from tmake_file. (moxie-*-uclinux*): Likewise. (moxie-*-rtems*): Likewise. (lm32-*-elf*): Remove lm32/t-fprules-softfp, soft-fp/t-softfp from tmake_file. (lm32-*-rtems*): Likewise. (lm32-*-uclinux*): Likewise. (powerpc-*-freebsd*): Remove rs6000/t-freebsd, rs6000/t-fprules-softfp, soft-fp/t-softfp from tmake_file. (powerpc-*-linux*, powerpc64-*-linux*): Remove rs6000/t-fprules-softfp, soft-fp/t-softfp from tmake_file. (score-*-elf): Remove score/t-score-softfp, soft-fp/t-softfp from tmake_file. (tic6x-*-elf): Remove c6x/t-c6x-softfp, soft-fp/t-softfp from tmake_file. (tic6x-*-uclinux): Likewise. (i[34567]86-*-darwin*, x86_64-*-darwin*): Remove i386/t-fprules-softfp, soft-fp/t-softfp from tmake_file. (i[34567]86-*-linux*, x86_64-*-linux*, i[34567]86-*-kfreebsd*-gnu) (x86_64-*-kfreebsd*-gnu, i[34567]86-*-gnu*): Likewise. (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*): Likewise. (i[34567]86-*-cygwin*, i[34567]86-*-mingw*, x86_64-*-mingw*): Likewise. (i[34567]86-*-freebsd*, x86_64-*-freebsd*): Likewise. libgcc: * config/t-softfp: Remove. * soft-fp: Moved from ../gcc/config. * soft-fp/README: Remove t-softfp reference. * soft-fp/t-softfp: Move to config/t-softfp. (softfp_machine_header): Remove. (softfp_file_list): Remove config subdir. (soft-fp-objects): New variable. ($(soft-fp-objects)): Set INTERNAL_CFLAGS. (LIB2FUNCS_EXTRA): Add to LIB2ADD instead. (SFP_MACHINE, $(SFP_MACHINE)): Remove. * config/t-softfp-excl: New file. * config/t-softfp-sfdf: New file. * config/t-softfp-tf: New file. * config/no-sfp-machine.h: New file. * config/arm/sfp-machine.h: New file. * config/arm/t-softfp: New file. * config/c6x/sfp-machine.h: New file. * config/i386/32/t-fprules-softfp: Rename to ... * config/i386/32/t-softfp: ... this. (tifunctions, LIB2ADD): Remove. (softfp_int_modes): Override. * config/i386/64/t-softfp-compat (tf-functions): Remove config subdir. * config/i386/64/eqtf2.c: Likewise. * config/i386/64/getf2.c: Likewise. * config/i386/64/letf2.c: Likewise. * config/ia64/sft-machine.h: New file. * config/ia64/t-fprules-softfp: Rename to ... * config/ia64/t-softfp: ... this. * config/lm32/sfp-machine.h: New file. * config/moxie/t-moxie-softfp: Remove. * config/rs6000/ibm-ldouble-format: New file. * config/rs6000/ibm-ldouble.c: New file. * config/rs6000/libgcc-ppc-glibc.ver: New file * config/rs6000/libgcc-ppc64.ver: New file * config/rs6000/sfp-machine.h: New file. * config/rs6000/t-freebsd: New file. * config/rs6000/t-ibm-ldouble: New file. * config/rs6000/t-ldbl128: Use $(srcdir) to refer to libgcc-ppc-glibc.ver. * config/rs6000/t-linux64: New file. * config/rs6000/t-ppccomm (LIB2ADD): Add $(srcdir)/config/rs6000/ibm-ldouble.c. * config/rs6000/t-ppccomm-ldbl: New file. * config/score/sfp-machine.h: New file. * config.host (sfp_machine_header): Explain. (arm*-*-linux*): Add t-softfp-sfdf, t-softfp-excl, arm/t-softfp, t-softfp to tmake_file. (arm*-*-uclinux*): Likewise. (arm*-*-ecos-elf): Likewise. (arm*-*-eabi*, arm*-*-symbianelf*): Likewise. (arm*-*-rtems*): Likewise. (arm*-*-elf): Likewise. (ia64*-*-linux*): Replace ia64/t-fprules-softfp by ia64/t-softfp in tmake_file. Add t-softfp-tf, t-softfp-excl, t-softfp to tmake_file. (lm32-*-elf*, lm32-*-rtems*): Add t-softfp-sfdf, t-softfp to tmake_file. (lm32-*-uclinux*): Likewise. (moxie-*-*): Replace moxie/t-moxie-softfp by t-softfp-sfdf, t-softfp-excl, t-softfp. (powerpc-*-darwin*): Add rs6000/t-ibm-ldouble to tmake_file. (powerpc64-*-darwin*): Likewise. (powerpc-*-freebsd*): Add t-softfp-sfdf, t-softfp-excl, t-softfp to tmake_file. (powerpc-*-eabisimaltivec*): Add rs6000/t-ppccomm-ldbl to tmake_file. (powerpc-*-eabisim*): Likewise. (powerpc-*-elf*): Likewise. (powerpc-*-eabialtivec*): Likewise. (powerpc-xilinx-eabi*): Likewise. (powerpc-*-rtems*): Likewise. (powerpc-*-linux*, powerpc64-*-linux*): Add t-softfp-sfdf, t-softfp-excl, t-softfp to tmake_file. (powerpc-wrs-vxworks, powerpc-wrs-vxworksae): Add rs6000/t-ppccomm-ldbl to tmake_file. (powerpcle-*-elf*): Likewise. (powerpcle-*-eabisim*): Likewise. (powerpcle-*-eabi*): Likewise. (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Add rs6000/t-ibm-ldouble to tmake_file. (rs6000-ibm-aix5.1.*, powerpc-ibm-aix5.1.*): Likewise. (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise. (score-*-elf): Add t-softfp-sfdf, t-softfp-excl, t-softfp to tmake_file. (tic6x-*-*): Likewise. (i[34567]86-*-darwin*, x86_64-*-darwin*, i[34567]86-*-kfreebsd*-gnu, x86_64-*-kfreebsd*-gnu, i[34567]86-*-linux*, x86_64-*-linux*, i[34567]86-*-gnu*, i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*, i[34567]86-*-cygwin*, i[34567]86-*-mingw*, x86_64-*-mingw*, i[34567]86-*-freebsd*, x86_64-*-freebsd*): Add t-softfp-tf, t-softfp to tmake_file. * configure.ac (sfp_machine_header): Provide default if unset. Substitute. Link sfp-machine.h to config/$sfp_machine_header. * configure: Regenerate. From-SVN: r177452 --- libgcc/soft-fp/soft-fp.h | 213 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 213 insertions(+) create mode 100644 libgcc/soft-fp/soft-fp.h (limited to 'libgcc/soft-fp/soft-fp.h') diff --git a/libgcc/soft-fp/soft-fp.h b/libgcc/soft-fp/soft-fp.h new file mode 100644 index 0000000..2307357 --- /dev/null +++ b/libgcc/soft-fp/soft-fp.h @@ -0,0 +1,213 @@ +/* Software floating-point emulation. + Copyright (C) 1997,1998,1999,2000,2002,2003,2005,2006 + 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file into + combinations with other programs, and to distribute those + combinations without any restriction coming from the use of this + file. (The Lesser General Public License restrictions do apply in + other respects; for example, they cover modification of the file, + and distribution when not linked into a combine executable.) + + 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, 51 Franklin Street, Fifth Floor, Boston, + MA 02110-1301, USA. */ + +#ifndef SOFT_FP_H +#define SOFT_FP_H + +#ifdef _LIBC +#include +#else +#include "sfp-machine.h" +#endif + +/* Allow sfp-machine to have its own byte order definitions. */ +#ifndef __BYTE_ORDER +#ifdef _LIBC +#include +#else +#error "endianness not defined by sfp-machine.h" +#endif +#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 +#endif +#ifndef FP_ROUNDMODE +# define FP_ROUNDMODE FP_RND_NEAREST +#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 0 +#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) (void)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 QItype __attribute__((mode(QI))); +typedef int SItype __attribute__((mode(SI))); +typedef int DItype __attribute__((mode(DI))); +typedef unsigned int UQItype __attribute__((mode(QI))); +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 CMPtype +#define CMPtype int +#endif + +#define SI_BITS (__CHAR_BIT__ * (int)sizeof(SItype)) +#define DI_BITS (__CHAR_BIT__ * (int)sizeof(DItype)) + +#ifndef umul_ppmm +#ifdef _LIBC +#include +#else +#include "longlong.h" +#endif +#endif + +#ifdef _LIBC +#include +#else +extern void abort (void); +#endif + +#endif -- cgit v1.1