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94 lines
2.2 KiB
PHP
94 lines
2.2 KiB
PHP
{
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$Id$
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This file is part of the Free Pascal run time library.
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Copyright (c) 1998 by the Free Pascal development team
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Processor dependent part of strings.pp, not shared with
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sysutils unit.
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See the file COPYING.FPC, included in this distribution,
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for details about the copyright.
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This program 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.
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**********************************************************************}
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function strpas(p : pchar) : string;
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begin
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{$ifndef NEWATT}
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strpas:='';
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{$endif}
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asm
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cld
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movl p,%edi
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movl $0xff,%ecx
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xorl %eax,%eax
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movl %edi,%esi
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repne
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scasb
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movl %ecx,%eax
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{$ifdef NEWATT}
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movl __RESULT,%edi
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{$else}
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movl 8(%ebp),%edi
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{$endif}
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notb %al
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decl %eax
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stosb
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cmpl $7,%eax
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jl .LStrPas2
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movl %edi,%ecx // Align on 32bits
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negl %ecx
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andl $3,%ecx
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subl %ecx,%eax
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rep
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movsb
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movl %eax,%ecx
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andl $3,%eax
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shrl $2,%ecx
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rep
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movsl
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.LStrPas2:
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movl %eax,%ecx
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rep
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movsb
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end ['ECX','EAX','ESI','EDI'];
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end;
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function strpcopy(d : pchar;const s : string) : pchar;assembler;
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asm
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pushl %esi // Save ESI
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cld
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movl d,%edi // load destination address
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movl s,%esi // Load Source adress
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movl %edi,%ebx // Set return value
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lodsb // load length in ECX
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movzbl %al,%ecx
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rep
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movsb
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xorb %al,%al // Set #0
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stosb
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movl %ebx,%eax // return value to EAX
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popl %esi
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end ['EDI','ESI','EBX','EAX','ECX'];
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{
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$Log$
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Revision 1.5 1999-04-08 11:30:58 peter
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* removed warnings
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Revision 1.4 1999/03/30 16:58:51 peter
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* use assembler and remove all rets
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Revision 1.3 1999/03/01 15:41:01 peter
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* use external names
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* removed all direct assembler modes
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Revision 1.2 1999/02/25 10:07:02 michael
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+ Added header and log
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}
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