src/mcs51/peephole.def, src/ds390/peephole.def: using the atomic test and clear instr...

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@3053 4a8a32a2-be11-0410-ad9d-d568d2c75423

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+2003-12-13 Frieder Ferlemann <Frieder.Ferlemann@web.de>
+
+       * src/mcs51/peephole.def,
+       * src/ds390/peephole.def: using the atomic test and clear instruction jbc
+       (allows non-interrupt and interrupt code to safely compete for a resource
+       without the non-interrupt code having to disable interrupts)
+
 2003-12-13 Erik Petrich <epetrich@ivorytower.norman.ok.us>
 
        * src/SDCCicode.c (geniCodeAdd),
        * src/SDCCast.c (decorateType): fixed bug #857753 (need to be careful
        with valFromType if type might be a pointer and host is big endian).
        * src/SDCCast.c (decorateType): unary plus compatible with all arithmetic
-       types, not just integer types. 
+       types, not just integer types.
        * src/SDCCsymt.c (addSymChain): clarified error message when symbol is
        multiply defined with mismatching "at" address.