Applying patch #609842: Fixes to mcs51 register allocation (bug #542397)

[fw/sdcc] / ChangeLog

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+2002-09-18    <wiml@hhhh.org>
+
+       * SDCClrange.h: exposed setFromRange() and setToRange()
+       * mcs51/ralloc.c: fixed over-eager packRegsForSupport() and
+         packRegsForAccUse() (bug 542397)
+       * mcs51/gen.c: MOVA() is now a function to avoid calling aopGet()
+         multiple times and emitting the fetch operations more than once
+         added aopGetUsesAcc() function to allow binary operators to
+         fetch their operands in the correct order; made genMinus() emit
+         compact code for X = LITERAL - Y 
+
 2002-09-00  Jesus Calvino-Fraga <jesusc@ece.ubc.ca>
        * \sdcc\as\mcs51\lklist.c: Fixed incorrect number of parameters to
        sprintf() in line 1267.