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Digital-Research-Source-Code/ASSEMBLY & COMPILE TOOLS/PLM VAX COMPILER/plmvax/break.for
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Digital Research
2020-11-06 18:50:37 +01:00

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C***********************************************************************
C
C BREAK.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 handles breaks between
C basic blocks.
C
C-----------------------------------------------------------------------
C R E V I S I O N H I S T O R Y
C
C 15OCT81 Alex Hunter 1. Added disclaimer notice. (V5.4)
C 21OCT81 Alex Hunter 1. Basic block analysis. (V5.5)
C
C-----------------------------------------------------------------------
SUBROUTINE BREAK
INCLUDE 'PLMCOM.FOR/NOLIST'
CALL MASSAGE(BASIC_BLOCK,0)
CALL GET_SOMEWHERE(BASIC_BLOCK,ANY_WHERE)
BASIC_BLOCK=NULL
END_OF_BASIC_BLOCK=.FALSE.
NEXT_NODE=NODE_MIN
NEXT_ATOM=FIRST_FREE_ATOM
NEXT_FIXED=FIX_MIN
NEXT_FLOAT=FLT_MIN
NEXT_CONSTANT=CON_MIN
CALL FREE_REGS
RETURN
END