* as/mcs51/lkarea.c (lnkarea, lnkarea2): improved BSEG size calculation,
(lnksect2): generate warnings for memory overlap
* src/SDCC.lex (doPragma, process_pragma): added pragma's codeseg and
constseg to set the name of these segments so you can instruct the linker
to place them in banks
* src/SDCCast.c (decorateType): use new macro IS_FUNCPTR()
* src/SDCCglobl.h: added MODEL_HUGE to enum,
added code_seg and const_seg to options
* src/SDCCglue.c (emitMaps): use options.const_seg,
(createInterruptVect): put interrupt vectors in segment HOME,
(glue): put HOME before static segment and put the main glue in HOME,
(glue): use options.code_seg
* src/SDCCicode.c (geniCodeCall): use new macro IS_FUNCPTR()
* src/SDCCmain.c: added option --codeseg and --constseg to set the name of
these segments so you can instruct the linker to place them in banks
(linkEdit): use code_loc for HOME segment which should be the first
segment in code memory now
* src/SDCCmem.c: fixed more stuff like bug 1238386
* src/SDCCsymt.c (getSize): use generic pointer size for banked functions,
(changePointer): don't change function pointers to code pointers for
banked functions,
(compareType): added exceptional check for banked function pointers
* src/SDCCsymt.h: changed IFFUNC_ISBANKEDCALL, added IS_FUNCPTR
* src/hc08/main.c (_hc08_genAssemblerPreamble): put HOME first, put CSEG
after static in code memory
* src/mcs51/gen.c: added aopLiteralLong prototype,
(aopForSym): use getSize for functions,
(genCall): generate banked calls over one trampoline __sdcc_banked_call
in HOME with lsb of address in r0, msb in r1 and bank in r2, use
-Wl-bBANKSEG=0xbbaaaa option to set the address (aaaa) and bank (bb) of
the segment,
(genPcall): use call for literal function pointers and generate banked
calls over the one trampoline so there's only one place for the user to
modify according to his/hers hardware,
(genEndFunction): jump to __sdcc_banked_ret in HOME for banked functions,
(genPlusIncr): moved check icount>4 beyond inc dptr optimization
* src/mcs51/main.c: added keyword banked,
(_mcs51_genExtraAreas): put HOME first followed by GSINIT, STATIC and CSEG
* support/Util/SDCCerr.c,
* support/Util/SDCCerr.h: added E_BANKED_WITH_CALLEESAVES, registers are
needed for passing the bank and address to the trampoline
* device/lib/mcs51/crtbank.asm: added for bankswitching
* device/lib/mcs51/Makefile: added crtbank
* src/SDCCcse.c (algebraicOpts): fixed loss of volatility
for fields at offset 0 of a struct or union as reported
on 2005-07-07 in the developer mailing list.
* src/pic/gen.c (popGet): changed assert to allow for
bit operands
* (popGetAddr): changed signature to provide
an additional index, patched all call sites
* (genCmpEq): handle literal-like operands correctly
* (genAddrOf): added sanity checks on __code/__data pointers
* (genAssign): added handling of symbols from __code section
* (gencjne): do not generate code for comparisons whose result
is neither stored nor used, fixes bug #1171114
* (AccLsh, AccRsh): operate on operand instead of WREG
* (shift{Left,Right}_Left2ResultLit): NEW, size independant
replacement for Shift{LR}{12}Left2Result; shift (byte/int/long)
by known count
* rewrote complete shift-by-literal logic, commented unused
functions out
* (genConstPointerGet): get multiple bytes (if result size > 1),
fixed handling of non-immediate addresses
* (genPointerGet): handle CODE pointers like CONST pointers
* (genpic14Code): insert C-SRC lines as Cource-pCodes
* ({aop,op}_isLitLike): NEW, single place to decide whether an
operand is to be treated as a literal or not
* (mov2w,genPcall,genCmpEq),
src/pic/genarith.c: use aop_isLitLike() to decide between
literal/register contents
* (addSign): added missing offset
* src/pic/gen.h: remove newline after FENTRY/FEXIT comments,
only emit comment in debug-mode,
use {aop,op}_isLitLike throughout the file
* src/pic/glue.c: fix initializers for pointers (work in progress)
* src/pic/pcode.c (get_op): honor index on _const symbols
* ({reset,dump}pCodeStatistics): NEW, estimate code size
* (dumppBlock): added pCode size estimation
* src/pic/ralloc.c (deassignLRs,serialRegAssign,packRegisters):
check for IS_SYMOP before OP_SYMBOL'ing
* fixed indentation, compacted switch-statements
* (allocReg): find free register and allocate it instead of
allocating new registers all the time
* (deassignLRs): prevent POINTER_GET's from being assigned the same
registers as its operands (necessary only for multibyte GETs)
maartenbrock [Thu, 30 Jun 2005 18:03:33 +0000 (18:03 +0000)]
* doc/sdccman.lyx: documented sfr16/sfr32,
added example for using storage class with function pointers
* src/mcs51/gen.c (genPlusIncr): optimized small offsets from dptr
tecodev [Wed, 15 Jun 2005 19:50:54 +0000 (19:50 +0000)]
* src/pic16/NOTES: moved Vangelis from active developers to people to contact
* device/include/pic16/{6520.h,8520.h}: fixed configuration bits
* src/pic16/gen.c (): prevent iTemps from being considered to be in CODESPACE,
fixes bug #1221120; for symbols in CODESPACE get number of bytes to read from
OP_SYM_TYPE() instead of OP_SYM_ETYPE()
tecodev [Thu, 26 May 2005 15:25:48 +0000 (15:25 +0000)]
* src/pic16/glue.c (pic16_printIvalChar): fixed string
initializers with \0, bug #1208187
* src/pic16/main.c (_process_pragma): added sanity checks
for stack position and size, emit warnings when appropriate
tecodev [Sun, 22 May 2005 12:39:39 +0000 (12:39 +0000)]
* src/pic16/main.c (_process_pragma): check for missing
arguments to pragmas code and udata
* device/include/pic16/pic18f{2550,4331,4455,4520}.h:
consistency fixes to match other headers (thanks to Jim Paris)
* device/lib/pic16/libio/i2c.ignore: 18f4331 provides no I2C
tecodev [Tue, 17 May 2005 21:28:45 +0000 (21:28 +0000)]
* device/include/pic18f{2550,4331,4455,4520}.h: NEW
* device/lib/pic16/libdev/pic18f{2550,4331,4455,4520}.c: NEW
* device/lib/pic16/pics.all: added new devices
* src/pic16/device.c: added support for pic18f4520
tecodev [Mon, 16 May 2005 19:11:21 +0000 (19:11 +0000)]
* src/pic16/gen.{c,h}: s/mov2f/pic16_mov2f made public
* src/pic16/genarith.c (genAddit): fixed bug 1202480
* src/pic16/pcode.{c,h} (pic16_newpCodeOpBit_simple): NEW
convenience function for bit access
frief [Sun, 15 May 2005 19:08:10 +0000 (19:08 +0000)]
device/include/mcs51/8051.h,
device/include/mcs51/8052.h: made parseable with lint
device/include/mcs51/lint.h: added include file for (sp)lint
doc/sdccman.lyx: added doc about use of splint (syntax checking tool)
doc/cdbfileformat.lyx,
doc/test_suite_spec.lyx: hardcoded date to the date of last text change
tecodev [Sat, 14 May 2005 12:11:22 +0000 (12:11 +0000)]
* device/lib/pic16/Makefile.common.in: add --optimize-df to OPT_FLAGS
* device/lib/pic16/libc/stdlib/itoa.c (new)
* device/lib/pic16/libc/stdlib/Makefile: have itoa.c built
* device/lib/pic16/libio/Makefile: exclude subdir according to
${subdir}.ignore for certain PICs (lacking e.g. i2c)
* device/lib/pic16/libio/i2c.ignore (new): pic18f1220 has no I2C support
* src/pic16/gen.c (genFunction): prevent annoying warning
* src/pic16/pcode.c: renamed stack_t to dynstack_t to prevent
nameclashes on BeOS
* support/cpp2/cppmain.c (cpp_output_string): new
* support/cpp2/cpplib.c (_cpp_do__Pragma): fixed _Pragma (""),
fixes bug 1116802
* doc/sdccman.lyx: changed version 2.5.0, documented --std-c89,
--std-sdcc89, --std-c99, --std-sdcc99, and the corresponding #pragmas, as
well as many smaller updates.
* .version: changed to version 2.5.0-pre1
* src/pic16/pcode.c: added helpers defmapInsertAfter (insert a new item
into the chain after a given one) and mergeDefmapSymbols (combine
defmap entries for each symbol per pcode)
* (createDefmap): have defmap entries merged in the end
* (defmapReplaceSymRef): split defmap entries covering two accesses to
a symbol before replacing one access type's symbol, merge symbols in
the end (replacement symbol might already have an entry)
* (assignValnums): keep defmap entry for written WREG intact
* device/include/pic16/usart.h: added compatibility defines for
devices with more than one USART
* device/include/pic16/pic18f[68][567]20.h: activated above defines
* src/pic16/pcode.c (pic16_pCodeReplace): also update pcflow->end
* (createDefmap): fixed CALLs to depend on FSR1 and RETLW to restore
callers stack/frame pointers
* device/include/pic16/usart.h: added, missing in previous commit,
* device/include/pic16/adc.h: fixed typo,
* device/lib/pic16/libc/utils/cvtdec.S: added missing in previous
commit,
* device/lib/pic16/libc/stdlib/g_ftoa.S: modified to include
<p18fxxx.inc>
* device/lib/pic16/libc/stdio/streams.c: leave stdin, stdout
uninitialized because a bug appears with gplink
* device/lib/pic16/{some makefiles}: moved $(CSTD) from CFLAGS to
COMPILE_FLAGS and added CPPFLAGS with -nostdinc because sdcpp
complains for unrecognised option
* src/pic16/gen.c (pic16_popCopyReg): made copying work for extended
structs as well (using memcpy)
* (genFunction): fixed comparison, used pCodeOpLabel to reduce warning
on ISRs (GOTO has no label)
* src/pic16/device.h: added OF_OPTIMIZE_DF
* src/pic16/main.c: added compiler switch --optimize-df to enable the
new data flow analysis/optimization
* src/pic16/pcode.c: added (prototypes for and implementation of)
dataflow analysis functions, fixed pCodeInstructions' inCond and
outCond values, made RCALL a branch instruction
* (pic16_unlinkpCode): keep C line if possible
* (pic16_pCodeUnlink): removed cast on left side of assignment, have
C line moved if possible
* (pic16_getRegFrompCodeOp): NEW, improved version of...
* (pic16_getRegFromInstruction,pic16_getRegFromInstruction2): changed
to use new pic16_getRegFrompCodeOp (works for more SFRs)
* (pic16_BuildFlow): fixed skip instructions with label (did not start
new flow)
* (pic16_getJumptabpCode): NEW, needed in...
* (LinkFlow): fixed handling of jumptables, calls and conditional
branches
* (pic16_InsertCommentAfter): NEW
* (pic16_pCodeReplace): made verbose and flow preserving
* (AnalyzeFlow): added call to data flow analysis
* src/pic16/pcode.h: added defmaps to pCodeFlow struct
* src/pic16/pcodeflow.h: added PCC_STATUS to mean all STATUS bits
* src/pic16/ralloc.c (packRegsForAssign): added return 1 in the end
vrokas [Thu, 31 Mar 2005 16:25:17 +0000 (16:25 +0000)]
* src/pic16/device.c (Pics16[]): added devices 18F2550, 18F4331, 18F4455,
* (pic16_assignConfigWordValue): disable testing of configuration
register value with config mask,
* src/pic16/gen.c (pic16_testStackOverflow): prefix stack test
function with port->fun_prefix,
* (genFunction): when generating a naked interrupt function never
create an absolute segment placed in interrupt vector address, place
the actual interrupt function at IVA instead, when an interrupt
function is generated with unspecified interrupt then do not create
the absolute section,
* (genGenPointerGet, genGenPointerSet, genPackBits): replace all
code for generating a call to generic pointer get/put function with
a call to function pic16_callGenericPointer(),
* src/pic16/genutils.c (pic16_callGenericPointerRW): NEW, generates
the call to the generic pointer get/put functions with prefixing the
function name with port->fun_prefix,
* src/pic16/glue.c (pic16glue): ifdef-out test of OF_LR_SUPPORT,
* src/pic16/main.c (_process_pragma): prefix function with
port->fun_prefix,
* (_pic16_finaliseOptions): define macro __18Fxxxx macro when
calling assembler, old 18Fxxxx macro is deprecated,
* src/pic16/pcode.c (unlinkpCodeFromBranch): added PC_INLINE and
PC_ASMDIR in while condition,
* (findInstruction): add PC_ASMDIR in while condition,
* (buildCallTree): prefix main with port->fun_prefix,
* (pic16_pCode2str): fixed bug that didn't emit the memory access
identifier for variable with banked access in instructions BTFSS,
BTFSC, BCF, BSF, BTG
* (AnalyzeFlow): moved call to OptimizepCode to pic16_AnalyzeBanking,
* src/pic16/pcodepeep.c (pCodeOpCompare): increase size of b to 1024,
* src/pic16/pcoderegs.c (pic16_pCodeRegoptimizeRegUsage): don't
perform optimization when enviroment variable NO_REG_OPT is set,
* (insideLRBlock): NEW, return 1 if register is inside an
INF_LOCALREGS block,
* (RemoveRegFromLRBlock): remove a register that is completely
eliminated by register optimization, but it is still left in local
register store/restore in/from stack block,
* (Remove2pcodes): after removing register, check to see if it
should be removed from local register store/restore in/from stack
block,
* src/pic16/ralloc.c (pic16_decodeOp): added decode for
DUMMY_READ_VOLATILE,
* device/include/pic16/adc.h: minor prototype modifications and
update,
* device/include/pic16/malloc.h: added GPL notice various
modifications,
* device/include/pic16/stdint.h: NEW, standard header for ints
* device/include/pic16/delay.h: NEW, header for delay functions,
delay10tcy, delay100tcy, delay1ktcy, delay10ktcy, delay100ktcy,
delay1mtcy,
* device/include/pic16/signal.h: NEW, header providing helper macros
for implementing signal handlers,
* device/include/pic16/stdio.h: added prototypes for functions,
printf, vprintf, sprintf, vsprintf, fprintf, vfprintf. Added
prototypes for stdin and stdout, added macro PUTCHAR to
automatically implement putchar function prototype,
* device/include/pic16/usart.h: modified and updated USART library,
* device/lib/pic16/libio/adc/,
* device/lib/pic16/libio/i2c: some modifications to improve library
performance,
* device/lib/pic16/libc/stdio/: modifications for the new printf*
family of functions,
* device/lib/pic16/libc/stdlib/: various modifications in the malloc
family of functions and other sources,
* device/lib/pic16/libio/usart/: NEW, c sources for the usart module
of the PIC18Fxx[28] devices,
* device/lib/pic16/libc/delay/: NEW, c sources for the delay functions,
* device/lib/pic16/libc/utils/: minor modifications in the .S sources,
* device/lib/pic16/startup/{crt0i.c, crt0iz.c}: redesign of the
_do_cinit function, because the previous failed when local variables
where not placed in the same memory bank,
* device/lib/pic16/libsdcc/char/: various modifications to improve
library performance,
* doc/sdccman.lyx: some reorganization of the PIC16 part, added many
information on the new functions of the c library and more...
tecodev [Sat, 26 Mar 2005 17:49:18 +0000 (17:49 +0000)]
* src/pic16/gen.c (genSkipc): fixed semantics (execute branch
if condition == CARRY)
* (genCmp): adapted to new genSkipc semantics
* src/pic16/genutils.c (pic6_genCmp_special): removed side effect
on rIfx (genCmp was broken)
epetrich [Sat, 26 Mar 2005 06:07:40 +0000 (06:07 +0000)]
* src/SDCCmain.c (setDefaultOptions, optionsTable[], parseCmdLine),
* src/z80/main.c (_keywords[]),
* src/SDCCglobal.h (struct options),
* src/SDCC.y,
* src/SDCC.lex (isTargetKeyword, doPragma, pragma_tbl[]): new pragmas
to enable/disable SDCC and C99 extensions/keywords (std_c89, std_sdcc89,
std_c99, std_sdcc99). Also, equivalent command line options (--std-c89,
--std-sdcc89, --std-c99, --std-sdcc99). SDCC specific keywords are
always available in leading double underscore form. The C99 support is
mostly missing, but it's a start.
* support/regression/tests/bug-227710.c: fixed nonconforming use of
reserved identifier "__data".