+2005-10-27 Raphael Neider <rneider AT web.de>
+
+ * .version: changed version to 2.5.4
+ * doc/sdccman.lyx: changed version to 2.5.4, added some remarks to PIC14
+ * device/lib/pic/libsdcc/{_mulint.c,_mullong.c}: use unsigned literals,
+ (_divschar.c,divuchar.c,_mulchar.c,_modschar.c,_moduchar): NEW,
+ arithmetics support routines
+ * device/lib/pic/Makefile.rules: have assembler sources preprocessed
+ * device/lib/Makefile.in: also create installdir for pic
+
+ * src/SDCCopt.c (cnvToFcall): mark support routines `extern' for
+ pic14 port as well
+ * src/pic/device.c (dump_sfr): rewritten to delegate register
+ placement to the linker (use `extern sym' rather than sym EQU addr),
+ (validAddress): fixed to check last specified address
+ * src/pic/gen.c (aopForSym): added code to deal with array (useless?),
+ (popGetLit): truncate literal value to 8 bit,
+ (popGet): moved assert to more appropriate place
+ (popGetExternal): create pCode operand from and mark the according
+ symbol as being `extern'
+ (popGetAddr): added sanity check on immediate's offset, provide
+ GPOINTER tag on demand
+ (aopPut): fixed for immediates,
+ (mov2w_op): move operand's address or contents to WREG (depending on
+ operand type), safer variant of mov2w,
+ (movwf,call_libraryfunc): NEW, handy abbreviations,
+ (get_argument_pcop,get_return_val_pcop,pass_argument,
+ get_returnvalue): interface for accessing function parameters and
+ return values,
+ (assignResultValuei,genRet): use new parameter/return value interface
+ (pic14_getDataSize): back to old version handling generic pointers,
+ (pic14_toBoolean,genNot,genCpl,genCmpEq,genOrOp): heavily rewritten,
+ provided implementation and/or fixed old one,
+ (genMultOneByte,genDivOneByte,genModOneByte): implemented as library
+ calls, removed legacy 8051 reference code
+ (AccLsh,AccRsh): rewritten and fixed to deal with signed operands
+ (loadSignToC): NEW, move the operands sign bit to CARRY,
+ (genGenericShift): NEW, replaces genLeftShift, genRightShift and
+ genRightShiftSigned, accepts negative shift counts,
+ (setup_fsr): load FSR and adjust IRP (indirect memory access),
+ (emitPtrByteGet,emitPtrByteSet): rewritten, now works with
+ generic pointers, __data pointers and __code pointers,
+ (genUnpackBits,genPackBits): rewritten to work with generic pointers
+ and signed bitfields, limit bitfields to 8 bit,
+ (genDataPointerGet): fixed number of bytes read,
+ (genGenPointerGet,genConstPointerGet): fixed bitfield access,
+ (genPointerGet,genPointerSet): fixed handling of __code pointers,
+ pointers to constant data are no longer assumed to point to __code
+ space, removed invalid pointer types,
+ (bitpatternFromVal): retrieve the PICs representation of an integer
+ or float literal,
+ (genDataPointerSet): fixed assigning to po_immediate operands,
+ (genGenPointerSet): implemented as library call,
+ (genIfx): fixed incorrect condition,
+ (genAddrOf): limit generic pointers' addresses to 2 bytes,
+ provide GPOINTER tag according to destination's storage class,
+ (genCast): added code to handle casting to generic pointers, added
+ sign-/zero extension of the result
+ (aop_isLitLike,op_isLitLike): fixed handling of immediates
+ * src/pic/gen.h: added macros to access IRP bit in STATUS register
+ * src/pic/genarith.c (genAddLit): use min(result's,left's) size, sign
+ extend the result
+ * src/pic/glue.c (is_shared_address,is_shared): check whether a given
+ address/register resides in the shared banks
+ (emitSymbolToFile): improved to handle global and `pinned' symbols,
+ put all variables into separate sections (have the linker arrange
+ them)
+ (picglue): put init code and interrupt handlers in separate sections
+ * src/pic/main.c: added port specific options table, modified to PORT
+ structure to make GPOINTERs 3 byte, added pic14_options
+ (_pic14_do_link): private linking routine (update paths to libraries,
+ add libsdcc.lib by default)
+ * src/pic/main.h: declare pic14_options
+ * src/pic/pcode.c: fixed instructions i/o relations,
+ (RegCond): reverted to correct version,
+ (newpCodeOpLit): truncate literals to 8 bit,
+ (genericPrint): added debug output,
+ (getRegFromInstruction): fixed for various operand types, simplified
+ (BuildFlow): fixed broken handling of isntructions with labels
+ (LinkFlow): start at last instruction in flow (skip trailing comments),
+ pass the flow on to the next instruction after CALL
+ (pCodeReplace): NEW, replace a pCode and move meta data to the new one
+ (insertPCodeInstruction): fixed inserting after a skip instruction,
+ (DoBankSelect): fixed for labeled instructions
+ (OptimizepBlock): honor --nopeep switch
+ (AnalyzeFlow,ReuseReg): prevent crash on source files with no function
+ * src/pic/pcodepeep.c (pCodePeepMatchRule): prevent NULL pointer accesses
+ * src/pic/pcoderegs.c (regIsLocal): NEW, check visibility of a register
+ (pCodeOptime2pCodes): allow disabling this optimization via
+ --no-pcode-opt due seldomly occuring bugs, fixed some conditions
+ but is still buggy), started implementation of a dataflow based
+ pCode optimization (CSE + dead code elimination)
+ (pCodeRegMapLiveRangesInFlow): removed bogus inCond
+ * src/pic/ralloc.c (initStack): renamed stack registers to STK%d, the new
+ names are independant of the stack location and therefore portable across
+ devices
+
+2005-10-27 Maarten Brock <sourceforge.brock AT dse.nl>
+
+ * src/mcs51/ralloc.c (bitType): added to detect bit variables,
+ (selectSpil): fixed bug 1337835 by not spilling bit variables
+ * support/regression/tests/bug1337835.c: added test for this bug
+ * src/mcs51/peeph.def: restart after rule 3.c,
+ addded rules 263.x to optimize loading constants
+
+2005-10-26 Raphael Neider <rneider AT web.de>
+
+ * src/SDCCsymt.c (compStructSize): allow signed bitfields for PIC ports
+ * src/pic16/gen.c (genUnpackBits): support signed bitfields,
+ (genAssign): emit warning when casting literals to generic pointer
+ type, also applies when taking the address of a fixed variable,
+ (genCast): improved casting to generic pointers
+ * src/pic16/glue.c (pic16emitStaticSeg): fixed(?) handling of fixed
+ extern variables, added verbose error message
+ * device/include/pic16/{string.h,errno.h}: added #pragma library c
+
+2005-10-26 Bernhard Held <bernhard AT bernhardheld.de>
+
+ * src/mcs51/gen.c (genMinus): fixed bug 1270906: reverse subtraction,
+ carry must be complemented too
+ * src/mcs51/peeph.def: addded rule 262 to remove double cpl c, which
+ could be emitted by genMinus
+ * src/SDCCval.c (constVal): fixed bug 1305065
+
+2005-10-25 Bernhard Held <bernhard AT bernhardheld.de>
+
+ * src/SDCCast.c (addCast): added promotion for bit variables
+ (decorateType): emit W_COMPLEMENT before the problem vanishes behind
+ promotion casts + optimisation
+ (optimizeGetWord): fix warning 'i' might be used uninitialized
+ * src/mcs51/gen.c (genCpl): removed W_COMPLEMENT
+ * src/ds390/gen.c (genCpl): removed W_COMPLEMENT
+
+2005-10-24 Bernhard Held <bernhard AT bernhardheld.de>
+
+ * src/SDCCicode.c (ast2iCode): reverted to 1.224 because of regression:
+ all chars are promoted to int; promotion should be handled in SDCCast.c
+
+2005-10-15 Jesus Calvino-Fraga <jesusc AT ece.ubc.ca>
+
+ * device/lib/_strcmp.c: Fixed bug 1326457
+
+2005-10-11 Raphael Neider <rneider AT web.de>
+
+ * device/lib/pic16/libio/i2c.ignore: added 1320, fixes broken builds
+ * device/lib/pic16/libdev/pic18f1320.c: added 1320's device library
+
+2005-10-05 Maarten Brock <sourceforge.brock AT dse.nl>
+
+ * src/SDCC.y (AT): fixed bug with sfr32 addresses when built with GCC
+ * support/regression/tests/sfr16.c: added test for the sfr32 bug
+
+2005-10-04 Raphael Neider <rneider AT web.de>
+
+ * device/include/pic16/pic18fregs.h, src/pic16/devices.inc,
+ device/lib/pic16/pics.all: added pic18f1320
+ * src/pic16/pcode.c (mnem2key): fixed prototype's argument mismatch
+
2005-09-30 Raphael Neider <rneider AT web.de>
* src/pic16/device.c (Pics16[]): moved device descriptions to devices.inc