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Digital-Research-Source-Code/ASSEMBLY & COMPILE TOOLS/PLM VAX COMPILER/plmvax/replica.for
Sepp J Morris 31738079c4 Upload
Digital Research
2020-11-06 18:50:37 +01:00

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Fortran

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