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90 lines
3.2 KiB
Fortran
90 lines
3.2 KiB
Fortran
C***********************************************************************
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C
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C REPLICA.FOR
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C
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C
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C D I S C L A I M E R N O T I C E
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C ------------------- -----------
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C
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C This document and/or portions of the material and data furnished
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C herewith, was developed under sponsorship of the U. S. Government.
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C Neither the U.S. nor the U.S.D.O.E., nor the Leland Stanford Junior
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C University, nor their employees, nor their respective contractors,
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C subcontractors, or their employees, makes any warranty, express or
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C implied, or assumes any liability or responsibility for accuracy,
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C completeness or usefulness of any information, apparatus, product
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C or process disclosed, or represents that its use will not infringe
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C privately-owned rights. Mention of any product, its manufacturer,
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C or suppliers shall not, nor is it intended to, imply approval, dis-
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C approval, or fitness for any particular use. The U. S. and the
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C University at all times retain the right to use and disseminate same
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C for any purpose whatsoever. Such distribution shall be made by the
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C National Energy Software Center at the Argonne National Laboratory
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C and only subject to the distributee furnishing satisfactory proof
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C that he has a valid license from the Intel Corporation in effect.
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C
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C
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C-----------------------------------------------------------------------
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C
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C This module of the PL/M-VAX compiler replicates (i.e., creates a
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C copy of) a code tree.
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C
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C-----------------------------------------------------------------------
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C
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C R E V I S I O N H I S T O R Y
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C
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C 29SEP81 Alex Hunter 1. Correct bug in replicating register nodes
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C (e.g., for STACK$PTR). (V5.3)
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C 2. Add consistency check REP-0.
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C 24OCT81 Alex Hunter 1. Replicate serial no field of atom. (V5.6)
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C
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C***********************************************************************
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INTEGER*2 FUNCTION REPLICA(NODX)
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INCLUDE 'PLMCOM.FOR/NOLIST'
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NOD=NODX
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IF (NOD.EQ.NULL.OR.CONSTANT(NOD).OR.REGISTER(NOD)) THEN
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REPLICA=NOD
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ELSEIF (ATOM(NOD)) THEN
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REPLICA=MAKE_ATOM(ATOM_SYM(NOD),ATOM_MEM(NOD),ATOM_BASE(NOD),
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# ATOM_SUB(NOD),NODE_TYPE(NOD),NODE_REG(NOD),
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# NODE_REFCT(NOD))
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ATOM_DISP(REPLICA)=ATOM_DISP(NOD)
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ATOM_FLAGS(REPLICA)=ATOM_FLAGS(NOD)
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ATOM_SERIAL_NO(REPLICA)=ATOM_SERIAL_NO(NOD)
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ELSEIF (FIXLIT(NOD)) THEN
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REPLICA=MAKE_FIXED(FIXED_VAL(NOD),NODE_TYPE(NOD))
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ELSEIF (FLOATLIT(NOD)) THEN
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REPLICA=MAKE_FLOAT(FLOAT_VAL(NOD),NODE_TYPE(NOD))
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ELSEIF (NODE(NOD)) THEN
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CALL PUSH(NOD,1)
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OPND1=REPLICA2(OPNODE_OPND1(NOD))
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CALL POP(NOD,1)
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CALL PUSH(NOD,1)
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CALL PUSH(OPND1,1)
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OPND2=REPLICA2(OPNODE_OPND2(NOD))
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CALL POP(OPND1,1)
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CALL POP(NOD,1)
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REPLICA=MAKE_NODE(OPNODE_OP(NOD),OPND1,OPND2,NODE_TYPE(NOD),
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# NODE_REG(NOD),NODE_REFCT(NOD))
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ELSE
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CALL BUG('REP-0')
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ENDIF
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RETURN
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END
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C-------------------------------------------------------------------
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INTEGER*2 FUNCTION REPLICA2(NODX)
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IMPLICIT INTEGER*2 (A-Z)
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REPLICA2=REPLICA(NODX)
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RETURN
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END
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