164 lines
7.3 KiB
C
164 lines
7.3 KiB
C
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/******************************** -*- C -*- ****************************
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*
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* Run-time assembler & support macros for the PowerPC math unit
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*
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***********************************************************************/
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/***********************************************************************
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*
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* Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
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* Written by Paolo Bonzini.
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*
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* This file is part of GNU lightning.
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*
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* GNU lightning is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation; either version 2.1, or (at your option)
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* any later version.
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*
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* GNU lightning is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with GNU lightning; see the file COPYING.LESSER; if not, write to the
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* Free Software Foundation, 59 Temple Place - Suite 330, Boston,
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* MA 02111-1307, USA.
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*
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***********************************************************************/
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#ifndef __lightning_asm_fp_h
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#define __lightning_asm_fp_h
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#if 0
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/* dummy for now */
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#define _FP1(RD, RS1, OPF, RS2) _2f((RD), 52, (RS1), (OPF), (RS2))
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#define _FP2(RD, RS1, OPF, RS2) _2f((RD), 53, (RS1), (OPF), (RS2))
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#define FITODrr(FRS, FRD) _FP1((FRD), 0, 200, (FRS))
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#define FDTOIrr(FRS, FRD) _FP1((FRD), 0, 210, (FRS))
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#define FSTODrr(FRS, FRD) _FP1((FRD), 0, 201, (FRS))
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#define FDTOSrr(FRS, FRD) _FP1((FRD), 0, 198, (FRS))
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#define FMOVSrr(FRS, FRD) _FP1((FRD), 0, 1, (FRS))
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#define FNEGSrr(FRS, FRD) _FP1((FRD), 0, 5, (FRS))
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#define FABSSrr(FRS, FRD) _FP1((FRD), 0, 9, (FRS))
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#define FSQRTDrr(FRS, FRD) _FP1((FRD), 0, 74, (FRS))
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#define FADDDrrr(FRS1, FRS2, FRD) _FP1((FRD), (FRS1), 66, (FRS2))
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#define FSUBDrrr(FRS1, FRS2, FRD) _FP1((FRD), (FRS1), 70, (FRS2))
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#define FMULDrrr(FRS1, FRS2, FRD) _FP1((FRD), (FRS1), 82, (FRS2))
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#define FDIVDrrr(FRS1, FRS2, FRD) _FP1((FRD), (FRS1), 86, (FRS2))
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#define FCMPDrr(FRS1, FRS2) _FP2(0, (FRS1), 82, (FRS2))
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#define LDFxr(RS1, RS2, RD) _3 ((RD), 32, (RS1), 0, 0, (RS2))
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#define LDFmr(RS1, IMM, RD) _3i ((RD), 32, (RS1), 1, (IMM))
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#define LDDFxr(RS1, RS2, RD) _3 ((RD), 35, (RS1), 0, 0, (RS2))
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#define LDDFmr(RS1, IMM, RD) _3i ((RD), 35, (RS1), 1, (IMM))
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#define STFrx(RS, RD1, RD2) _3 ((RS), 36, (RD1), 0, 0, (RD2))
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#define STFrm(RS, RD1, IMM) _3i ((RS), 36, (RD1), 1, (IMM))
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#define STDFrx(RS, RD1, RD2) _3 ((RS), 39, (RD1), 0, 0, (RD2))
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#define STDFrm(RS, RD1, IMM) _3i ((RS), 39, (RD1), 1, (IMM))
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#define FBNi(DISP) _0 (0, 0, 6, (DISP))
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#define FBN_Ai(DISP) _0 (1, 0, 6, (DISP))
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#define FBNEi(DISP) _0 (0, 1, 6, (DISP))
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#define FBNE_Ai(DISP) _0 (1, 1, 6, (DISP))
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#define FBLGi(DISP) _0 (0, 2, 6, (DISP))
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#define FBLG_Ai(DISP) _0 (1, 2, 6, (DISP))
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#define FBULi(DISP) _0 (0, 3, 6, (DISP))
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#define FBUL_Ai(DISP) _0 (1, 3, 6, (DISP))
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#define FBLi(DISP) _0 (0, 4, 6, (DISP))
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#define FBL_Ai(DISP) _0 (1, 4, 6, (DISP))
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#define FBUGi(DISP) _0 (0, 5, 6, (DISP))
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#define FBUG_Ai(DISP) _0 (1, 5, 6, (DISP))
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#define FBGi(DISP) _0 (0, 6, 6, (DISP))
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#define FBG_Ai(DISP) _0 (1, 6, 6, (DISP))
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#define FBUi(DISP) _0 (0, 7, 6, (DISP))
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#define FBU_Ai(DISP) _0 (1, 7, 6, (DISP))
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#define FBAi(DISP) _0 (0, 8, 6, (DISP))
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#define FBA_Ai(DISP) _0 (1, 8, 6, (DISP))
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#define FBEi(DISP) _0 (0, 9, 6, (DISP))
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#define FBE_Ai(DISP) _0 (1, 9, 6, (DISP))
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#define FBUEi(DISP) _0 (0, 10, 6, (DISP))
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#define FBUE_Ai(DISP) _0 (1, 10, 6, (DISP))
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#define FBGEi(DISP) _0 (0, 11, 6, (DISP))
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#define FBGE_Ai(DISP) _0 (1, 11, 6, (DISP))
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#define FBUGEi(DISP) _0 (0, 12, 6, (DISP))
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#define FBUGE_Ai(DISP) _0 (1, 12, 6, (DISP))
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#define FBLEi(DISP) _0 (0, 13, 6, (DISP))
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#define FBLE_Ai(DISP) _0 (1, 13, 6, (DISP))
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#define FBULEi(DISP) _0 (0, 14, 6, (DISP))
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#define FBULE_Ai(DISP) _0 (1, 14, 6, (DISP))
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#define FBOi(DISP) _0 (0, 15, 6, (DISP))
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#define FBO_Ai(DISP) _0 (1, 15, 6, (DISP))
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#define FSKIPUG() _0d (1, 13, 6, 2) /* fble,a .+8 */
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#define FSKIPUL() _0d (1, 11, 6, 2) /* fbge,a .+8 */
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#define jit_add_two(reg0) FADDDrrr(30 - (reg0) * 2, 28 - (reg0) * 2, 30 - (reg0) * 2)
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#define jit_sub_two(reg0) FSUBDrrr(30 - (reg0) * 2, 28 - (reg0) * 2, 30 - (reg0) * 2)
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#define jit_mul_two(reg0) FMULDrrr(30 - (reg0) * 2, 28 - (reg0) * 2, 30 - (reg0) * 2)
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#define jit_div_two(reg0) FDIVDrrr(30 - (reg0) * 2, 28 - (reg0) * 2, 30 - (reg0) * 2)
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#define jit_abs(reg0) FABSSrr(30 - (reg0) * 2, 30 - (reg0) * 2)
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#define jit_neg(reg0) FNEGSrr(30 - (reg0) * 2, 30 - (reg0) * 2)
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#define jit_sqrt(reg0) FSQRTDrr(30 - (reg0) * 2, 30 - (reg0) * 2)
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#define jit_fpimm(reg0, first, second) \
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(_1(4), NOP(), _L(first), _L(second), \
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jit_ldxi_d((reg0), _Ro(7), 8))
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#define jit_ldxi_f(reg0, rs, is) (jit_chk_imm((is), LDFmr((rs), (is), 30 - (reg0) * 2), LDFxr((rs), JIT_BIG, 30 - (reg0) * 2)), FSTODrr(30 - (reg0) * 2, 30 - (reg0) * 2))
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#define jit_ldxi_d(reg0, rs, is) jit_chk_imm((is), LDDFmr((rs), (is), 30 - (reg0) * 2), LDDFxr((rs), JIT_BIG, 30 - (reg0) * 2))
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#define jit_ldxr_f(reg0, s1, s2) (LDFxr((s1), (s2), 30 - (reg0) * 2), FSTODrr(30 - (reg0) * 2, 30 - (reg0) * 2))
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#define jit_ldxr_d(reg0, s1, s2) LDDFxr((s1), (s2), 30 - (reg0) * 2)
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#define jit_stxi_f(id, rd, reg0) (FDTOSrr(30 - (reg0) * 2, 30 - (reg0) * 2), jit_chk_imm((id), STFrm(30 - (reg0) * 2, (rd), (id)), STFrx(30 - (reg0) * 2, (rd), JIT_BIG)))
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#define jit_stxi_d(id, rd, reg0) jit_chk_imm((id), STDFrm(30 - (reg0) * 2, (rd), (id)), STDFrx(30 - (reg0) * 2, (rd), JIT_BIG))
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#define jit_stxr_f(d1, d2, reg0) (FDTOSrr(30 - (reg0) * 2, 30 - (reg0) * 2), STFrx (30 - (reg0) * 2, (d1), (d2)))
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#define jit_stxr_d(d1, d2, reg0) STDFrx(30 - (reg0) * 2, (d1), (d2))
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#define jit_do_round(mode, rd, freg) ( \
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_1(3), \
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SETHIir(_HI(mode << 29), JIT_BIG), \
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NOP(), \
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STFSRm(_Ro(7), 8), /* store fsr */ \
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LDmr(_Ro(7), 8, rd), \
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XORrrr(rd, JIT_BIG, JIT_BIG), /* adjust mode */ \
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STrm(JIT_BIG, _Ro(7), 8), \
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LDFSRm(_Ro(7), 8), /* load fsr */ \
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FDTOIrr(freg, freg), /* truncate */ \
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STrm(rd, _Ro(7), 8), /* load old fsr */ \
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LDFSRm(_Ro(7), 8), \
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STFrm(freg, _Ro(7), 8), /* store truncated value */ \
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LDmr(_Ro(7), 8, rd)) /* load it into rd */
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/* call delay slot data ,--- call lands here */
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#define jit_exti_d(reg0, rs) (_1(3), NOP(), NOP(), STrm((rs), _Ro(7), 8), LDFmr(_Ro(7), 8, 30 - (reg0) * 2), FITODrr(30 - (reg0) * 2, 30 - (reg0) * 2))
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#define jit_round(rd, reg0) (_1(3), FDTOIrr(30 - (reg0) * 2, 30 - (reg0) * 2), NOP(), STFrm(30 - (reg0) * 2, _Ro(7), 8), LDmr(_Ro(7), 8, (rd)))
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#define jit_floor(rd, reg0) jit_do_round(3, (rd), (30 - (reg0) * 2))
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#define jit_ceil(rd, reg0) jit_do_round(2, (rd), (30 - (reg0) * 2))
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#define jit_trunc(rd, reg0) jit_do_round(1, (rd), (30 - (reg0) * 2))
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static double jit_zero = 0.0;
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#define jit_cmp(le, ge, reg0) (SETHIir(_HI(_UL(&jit_zero)), (le)), \
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LDDFmr((le), _LO(_UL(&jit_zero)), 28 - (reg0) * 2), \
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FCMPDrr(30 - (reg0) * 2, 28 - (reg0) * 2), \
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MOVir(0, (le)), MOVir(0, (ge)), \
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FSKIPUL(), MOVir(1, (ge)), \
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FSKIPUG(), MOVir(1, (le)))
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#endif
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#endif /* __lightning_asm_fp_h */
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