* pa/quadlib.asm: New file for long double support.
From-SVN: r29165
This commit is contained in:
Mark Klein
Jeff Law
parent
afe3d09019
commit
77f3f7d7b1
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@ -1,5 +1,7 @@
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Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
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* pa/quadlib.asm: New file for long double support.
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* configure.in: Add hppa1.0-*-mpeix for MPE port.
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* configure: Rebuilt.
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@ -0,0 +1,359 @@
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; Subroutines for long double support on the HPPA
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; Copyright (C) 1999 Free Software Foundation, Inc.
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; This file is part of GNU CC.
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; GNU CC is free software; you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation; either version 2, or (at your option)
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; any later version.
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; GNU CC is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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; In addition to the permissions in the GNU General Public License, the
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; Free Software Foundation gives you unlimited permission to link the
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; compiled version of this file with other programs, and to distribute
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; those programs without any restriction coming from the use of this
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; file. (The General Public License restrictions do apply in other
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; respects; for example, they cover modification of the file, and
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; distribution when not linked into another program.)
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; You should have received a copy of the GNU General Public License
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; along with GNU CC; see the file COPYING. If not, write to
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; the Free Software Foundation, 59 Temple Place - Suite 330,
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; Boston, MA 02111-1307, USA.
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.SPACE $TEXT$
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.SUBSPA $CODE$,QUAD=0,ALIGN=8,ACCESS=44,CODE_ONLY
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.compiler "quadlib.asm GNU_PA-RISC_Assembler 2.9.4"
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.IMPORT _U_Qfcmp,CODE
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.IMPORT _U_Qfsub,CODE
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.align 4
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.NSUBSPA $CODE$,QUAD=0,ALIGN=8,ACCESS=44,CODE_ONLY
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;
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; Check two long doubles for equality
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;
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.EXPORT _U_Qfeq,ENTRY,PRIV_LEV=3,ARGW0=GR,ARGW1=GR,RTNVAL=GR
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_U_Qfeq
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.PROC
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.CALLINFO FRAME=64,CALLS,SAVE_RP
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.ENTRY
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;
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; Build the frame
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;
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stw %r2,-20(0,%r30)
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ldo 64(%r30),%r30
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;
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; Load the additional argument and call the comparison routine.
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;
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bl _U_Qfcmp,%r2
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ldi 4,%r24
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;
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; The return from _U_Qfcmp is the masked C bit from the FP
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; status register. Convert that to a 0 or 1.
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;
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comiclr,= 0,%r28,%r28
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ldi 1,%r28
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;
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; Return
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;
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ldw -84(0,%r30),%r2
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bv 0(%r2)
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ldo -64(%r30), %r30
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.EXIT
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.PROCEND
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;
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; Check two long doubles for inequality
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;
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.EXPORT _U_Qfne,ENTRY,PRIV_LEV=3,ARGW0=GR,ARGW1=GR,RTNVAL=GR
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_U_Qfne
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.PROC
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.CALLINFO FRAME=64,CALLS,SAVE_RP
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.ENTRY
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;
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; Build the frame
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;
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stw %r2,-20(0,%r30)
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ldo 64(%r30),%r30
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;
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; Load the additional argument and call the comparison routine.
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;
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bl _U_Qfcmp,%r2
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ldi 4,%r24
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;
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; The return from _U_Qfcmp is the masked C bit from the FP
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; status register. Convert that to a 0 or 1.
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;
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comiclr,<> 0,%r28,%r28
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ldi 1,%r28
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;
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; Return
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;
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ldw -84(0,%r30),%r2
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bv 0(%r2)
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ldo -64(%r30),%r30
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.EXIT
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.PROCEND
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;
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; Check if opnd1 > opnd0
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;
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.EXPORT _U_Qfgt,ENTRY,PRIV_LEV=3,ARGW0=GR,ARGW1=GR,RTNVAL=GR
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_U_Qfgt
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.PROC
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.CALLINFO FRAME=64,CALLS,SAVE_RP
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.ENTRY
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;
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; Build the frame
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;
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stw %r2,-20(0,%r30)
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ldo 64(%r30),%r30
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;
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; Load the additional argument and call the comparison routine.
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;
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bl _U_Qfcmp,%r2
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ldi 23,%r24
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;
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; The return from _U_Qfcmp is the masked C bit from the FP
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; status register. Convert that to a 0 or 1.
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;
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comiclr,= 0,%r28,%r28
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ldi 1,%r28
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;
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; Return
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;
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ldw -84(0,%r30),%r2
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bv 0(%r2)
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ldo -64(%r30), %r30
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.EXIT
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.PROCEND
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;
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; Check if opnd1 >= opnd0
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;
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.EXPORT _U_Qfge,ENTRY,PRIV_LEV=3,ARGW0=GR,ARGW1=GR,RTNVAL=GR
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_U_Qfge
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.PROC
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.CALLINFO FRAME=64,CALLS,SAVE_RP
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.ENTRY
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;
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; Build the frame
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;
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stw %r2,-20(0,%r30)
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ldo 64(%r30),%r30
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;
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; Load the additional argument and call the comparison routine.
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;
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bl _U_Qfcmp,%r2
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ldi 23,%r24
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;
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; The return from _U_Qfcmp is the masked C bit from the FP
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; status register. Convert that to a 0 or 1.
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;
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comiclr,= 0,%r28,%r28
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ldi 1,%r28
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;
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; Return
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;
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ldw -84(0,%r30),%r2
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bv 0(%r2)
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ldo -64(%r30), %r30
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.EXIT
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.PROCEND
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;
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; Check if opnd1 < opnd0
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;
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.EXPORT _U_Qflt,ENTRY,PRIV_LEV=3,ARGW0=GR,ARGW1=GR,RTNVAL=GR
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_U_Qflt
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.PROC
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.CALLINFO FRAME=64,CALLS,SAVE_RP
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.ENTRY
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;
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; Build the frame
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;
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stw %r2,-20(0,%r30)
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ldo 64(%r30),%r30
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;
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; Load the additional argument and call the comparison routine.
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;
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bl _U_Qfcmp,%r2
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ldi 9,%r24
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;
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; The return from _U_Qfcmp is the masked C bit from the FP
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; status register. Convert that to a 0 or 1.
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;
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comiclr,= 0,%r28,%r28
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ldi 1,%r28
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;
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; Return
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;
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ldw -84(0,%r30),%r2
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bv 0(%r2)
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ldo -64(%r30), %r30
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.EXIT
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.PROCEND
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;
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; Check if opnd1 <= opnd0
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;
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.EXPORT _U_Qfle,ENTRY,PRIV_LEV=3,ARGW0=GR,ARGW1=GR,RTNVAL=GR
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_U_Qfle
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.PROC
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.CALLINFO FRAME=64,CALLS,SAVE_RP
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.ENTRY
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;
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; Build the frame
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;
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stw %r2,-20(0,%r30)
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ldo 64(%r30),%r30
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;
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; Load the additional argument and call the comparison routine.
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;
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bl _U_Qfcmp,%r2
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ldi 13,%r24
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;
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; The return from _U_Qfcmp is the masked C bit from the FP
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; status register. Convert that to a 0 or 1.
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;
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comiclr,= 0,%r28,%r28
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ldi 1,%r28
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;
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; Return
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;
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ldw -84(0,%r30),%r2
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bv 0(%r2)
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ldo -64(%r30), %r30
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.EXIT
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.PROCEND
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;
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; Negate opnd0 and store in ret0
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;
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.EXPORT _U_Qfneg,ENTRY,PRIV_LEV=3,ARGW0=GR,RTNVAL=GR
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_U_Qfneg
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.PROC
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.CALLINFO FRAME=128,CALLS,SAVE_RP
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.ENTRY
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;
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; Build the frame
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;
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stw %r2,-20(0,%r30)
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ldo 128(%r30),%r30
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;
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; copy the value to be negated to the frame.
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;
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ldw 0(0,%r26), %r25
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ldw 4(0,%r26), %r24
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ldw 8(0,%r26), %r23
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ldw 12(0,%r26),%r1
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stw %r25, -100(0,%r30)
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stw %r24, -96(0,%r30)
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stw %r23, -92(0,%r30)
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stw %r1, -88(0,%r30)
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ldo -100(%r30), %r25
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;
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; ret0 contains a pointer to the location for the return
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; value. Initialize it to zero and pass it as arg0 to
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; _U_Qfsub.
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;
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copy %r28,%r26
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stw %r0,0(0,%r26)
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stw %r0,4(0,%r26)
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stw %r0,8(0,%r26)
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bl _U_Qfsub,%r2
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stw %r0,12(0,%r26)
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;
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; Return
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;
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ldw -148(0,%r30),%r2
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bv 0(%r2)
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ldo -128(%r30), %r30
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.EXIT
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.PROCEND
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;
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; Compare opnd0 and opnd1. If opnd0 == opnd1, return 0.
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; If opnd0 is greater than opnd1, return 1.
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; Otherwise, return -1.
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;
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.EXPORT _U_Qfcomp,ENTRY,PRIV_LEV=3,ARGW0=GR,ARGW1=GR,RTNVAL=GR
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_U_Qfcomp
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.PROC
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.CALLINFO FRAME=64,CALLS,SAVE_RP
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.ENTRY
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;
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; Build the frame
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;
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stw %r2,-20(0,%r30)
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ldo 64(%r30),%r30
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;
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; Save arg0 and arg1.
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;
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stw %r26, -60(0,%r30)
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stw %r25, -56(0,%r30)
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;
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; Check for equality
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;
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bl _U_Qfcmp,%r2
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ldi 4, %r24
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comib,<> 0,%r28,done
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copy %r0, %r1
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;
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; Reset the parms and test for opnd0 > opnd1.
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;
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ldw -60(0,%r30),%r26
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ldw -56(0,%r30),%r25
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bl _U_Qfcmp,%r2
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ldi 22,%r24
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ldi 1,%r1
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comiclr,<> 0,%r28,0
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ldi -1,%r1
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done
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copy %r1,%r28
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;
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; Return
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;
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ldw -84(0,%r30),%r2
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bv 0(%r2)
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ldo -64(%r30), %r30
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.EXIT
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.PROCEND
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