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Annotation of gcc/config/gofast.h, revision 1.1

1.1     ! root        1: /* US Software GOFAST floating point library support.
        !             2:    Copyright (C) 1994 Free Software Foundation, Inc.
        !             3: 
        !             4: This file is part of GNU CC.
        !             5: 
        !             6: GNU CC is free software; you can redistribute it and/or modify
        !             7: it under the terms of the GNU General Public License as published by
        !             8: the Free Software Foundation; either version 2, or (at your option)
        !             9: any later version.
        !            10: 
        !            11: GNU CC is distributed in the hope that it will be useful,
        !            12: but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            14: GNU General Public License for more details.
        !            15: 
        !            16: You should have received a copy of the GNU General Public License
        !            17: along with GNU CC; see the file COPYING.  If not, write to
        !            18: the Free Software Foundation, 59 Temple Place - Suite 330,
        !            19: Boston, MA 02111-1307, USA.  */
        !            20: 
        !            21: /* This is used by fp-bit.c.  */
        !            22: #define US_SOFTWARE_GOFAST
        !            23: 
        !            24: /* The US Software GOFAST library requires special optabs support.
        !            25:    There is no negation libcall, and several others have names different
        !            26:    from gcc.  This file consolidates the support in one place.
        !            27: 
        !            28:    The basic plan is to leave gcc proper alone and via some hook fix things
        !            29:    after the optabs have been set up.  Our main entry point is
        !            30:    INIT_GOFAST_OPTABS.  */
        !            31: 
        !            32: #define INIT_GOFAST_OPTABS \
        !            33:   do { \
        !            34:     GOFAST_CLEAR_NEG_FLOAT_OPTAB; \
        !            35:     GOFAST_RENAME_LIBCALLS; \
        !            36:   } while (0)
        !            37: 
        !            38: #define GOFAST_CLEAR_NEG_FLOAT_OPTAB \
        !            39:   do { \
        !            40:     int mode; \
        !            41:     for (mode = SFmode; (int) mode <= (int) TFmode; \
        !            42:         mode = (enum machine_mode) ((int) mode + 1)) \
        !            43:       neg_optab->handlers[(int) mode].libfunc = NULL_RTX; \
        !            44:   } while (0)
        !            45: 
        !            46: #define GOFAST_RENAME_LIBCALLS \
        !            47:   add_optab->handlers[(int) SFmode].libfunc = gen_rtx (SYMBOL_REF, Pmode, "fpadd"); \
        !            48:   add_optab->handlers[(int) DFmode].libfunc = gen_rtx (SYMBOL_REF, Pmode, "dpadd"); \
        !            49:   sub_optab->handlers[(int) SFmode].libfunc = gen_rtx (SYMBOL_REF, Pmode, "fpsub"); \
        !            50:   sub_optab->handlers[(int) DFmode].libfunc = gen_rtx (SYMBOL_REF, Pmode, "dpsub"); \
        !            51:   smul_optab->handlers[(int) SFmode].libfunc = gen_rtx (SYMBOL_REF, Pmode, "fpmul"); \
        !            52:   smul_optab->handlers[(int) DFmode].libfunc = gen_rtx (SYMBOL_REF, Pmode, "dpmul"); \
        !            53:   flodiv_optab->handlers[(int) SFmode].libfunc = gen_rtx (SYMBOL_REF, Pmode, "fpdiv"); \
        !            54:   flodiv_optab->handlers[(int) DFmode].libfunc = gen_rtx (SYMBOL_REF, Pmode, "dpdiv"); \
        !            55:   cmp_optab->handlers[(int) SFmode].libfunc = gen_rtx (SYMBOL_REF, Pmode, "fpcmp"); \
        !            56:   cmp_optab->handlers[(int) DFmode].libfunc = gen_rtx (SYMBOL_REF, Pmode, "dpcmp"); \
        !            57: \
        !            58:   extendsfdf2_libfunc = gen_rtx (SYMBOL_REF, Pmode, "fptodp"); \
        !            59:   truncdfsf2_libfunc = gen_rtx (SYMBOL_REF, Pmode, "dptofp"); \
        !            60: \
        !            61:   eqsf2_libfunc = gen_rtx (SYMBOL_REF, Pmode, "fpcmp"); \
        !            62:   nesf2_libfunc = gen_rtx (SYMBOL_REF, Pmode, "fpcmp"); \
        !            63:   gtsf2_libfunc = gen_rtx (SYMBOL_REF, Pmode, "fpcmp"); \
        !            64:   gesf2_libfunc = gen_rtx (SYMBOL_REF, Pmode, "fpcmp"); \
        !            65:   ltsf2_libfunc = gen_rtx (SYMBOL_REF, Pmode, "fpcmp"); \
        !            66:   lesf2_libfunc = gen_rtx (SYMBOL_REF, Pmode, "fpcmp"); \
        !            67: \
        !            68:   eqdf2_libfunc = gen_rtx (SYMBOL_REF, Pmode, "dpcmp"); \
        !            69:   nedf2_libfunc = gen_rtx (SYMBOL_REF, Pmode, "dpcmp"); \
        !            70:   gtdf2_libfunc = gen_rtx (SYMBOL_REF, Pmode, "dpcmp"); \
        !            71:   gedf2_libfunc = gen_rtx (SYMBOL_REF, Pmode, "dpcmp"); \
        !            72:   ltdf2_libfunc = gen_rtx (SYMBOL_REF, Pmode, "dpcmp"); \
        !            73:   ledf2_libfunc = gen_rtx (SYMBOL_REF, Pmode, "dpcmp"); \
        !            74: \
        !            75:   eqxf2_libfunc = NULL_RTX; \
        !            76:   nexf2_libfunc = NULL_RTX; \
        !            77:   gtxf2_libfunc = NULL_RTX; \
        !            78:   gexf2_libfunc = NULL_RTX; \
        !            79:   ltxf2_libfunc = NULL_RTX; \
        !            80:   lexf2_libfunc = NULL_RTX; \
        !            81: \
        !            82:   eqtf2_libfunc = NULL_RTX; \
        !            83:   netf2_libfunc = NULL_RTX; \
        !            84:   gttf2_libfunc = NULL_RTX; \
        !            85:   getf2_libfunc = NULL_RTX; \
        !            86:   lttf2_libfunc = NULL_RTX; \
        !            87:   letf2_libfunc = NULL_RTX; \
        !            88: \
        !            89:   floatsisf_libfunc = gen_rtx (SYMBOL_REF, Pmode, "sitofp"); \
        !            90:   floatsidf_libfunc = gen_rtx (SYMBOL_REF, Pmode, "litodp"); \
        !            91:   fixsfsi_libfunc = gen_rtx (SYMBOL_REF, Pmode, "fptosi"); \
        !            92:   fixdfsi_libfunc = gen_rtx (SYMBOL_REF, Pmode, "dptoli"); \
        !            93:   fixunssfsi_libfunc = gen_rtx (SYMBOL_REF, Pmode, "fptoui"); \
        !            94:   fixunsdfsi_libfunc = gen_rtx (SYMBOL_REF, Pmode, "dptoul"); \
        !            95: 
        !            96: /* End of GOFAST_RENAME_LIBCALLS */

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