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".
maartenbrock [Tue, 15 Mar 2005 07:34:20 +0000 (07:34 +0000)]
* device/lib/printf_large.c: removed inline assembly for portability and
readability. Use printf_fast if speed or size are more important.
* src/pic16/gen.c: removed conditions around use of DEBUGpc
* src/pic16/genutils.h: added define for DEBUGpc for MSVC
vrokas [Mon, 14 Mar 2005 01:24:58 +0000 (01:24 +0000)]
* device/lib/pic16/startup/crt0i.c (_cinit): local variables where
moved to level 0 and declared as static. Also they are explicit
placed in access bank. This was necessery because some times they
might cross memory bank boundaries. crt0iz.c is *NOT* updated!!!
* src/pic16/device.h: added flag OPTIMIZE_CMP to enable some compare
optimizations. Currently only compare to unsigned char is implemented,
* src/pic16/gen.c: added fReturnIdx array,
* (struct resolvedIfx) is moved to gen.h and made public,
* (struct _G): added sregsAlloc and sregsAllocSet fields,
* (aopForSym): added an optimization to directly store in stack of
the operand of a SEND iCode,
* (pic16_aopOp): don't return return registers as strings (AOP_STR)
but as registers instead (AOP_REG) using the fReturnIdx array,
* (pic16_freeAsmop): remove the freed register from the
_G.sregsAlloc field,
* (pic16_aopGet): in case AOP_STR, the compare to 'a' is changed to
a compare of 'WREG',
* (pic16_popGetTempRegCond): changed function prototype, now
function takes also a bitVector argument v which holds the current
set of registers that are allocated for stack access by aopForSym,
registers allocated in aopForSym for accessing stack symbols are not
any more part of the functions usedRegs field,
* (genCall): some times aopOp is called for a stack variable to be
send, aopForSym might perform the push, if this is true make sure
that genCall doesn't push the variable twice by testing _G.resDirect,
* (genFunction): changed testing for unspecified interrupt number
from 256 to INTNO_UNSPEC,
* modified selection scheme of frame pointer generation. Previously
if function did use local registers a frame pointer was generated,
now a frame pointer is generated only if function has arguments
(that need PLUSW2 register access), or has stack arguments, or the
compiler is not instructed to omit the frame pointer,
* (genEndFunction): before restoring local registers that were saved
in the function preamble, also restore the registers that *might*
have been allocated for stack access,
* (genRet): removed some old comments,
* (genCmp, the active (RN's) version): added a call to the
pic16_genCmp_special function to perform the compare with a more
robust and optimized way,
* (genInline): a feature has been added in inline code generation,
which allows a wildcard variable substitution when writing inline
assembly. Code is incomplete and experimental therefore undocumented,
* (genCast): changed order of aopOp for result and right to allow
aopForSym to directly load the result if possible,
* src/pic16/genutils.c (selectCompareOp, pic16_genCmp_special): NEW,
perform an optimized compare on some selected special occasions,
* src/pic16/genutils.h: declaration of resolvedIfx structure from gen.c,
* src/pic16/glue.c (pic16createInterrupVect): make sure we never
generate an IVT any more,
* src/pic16/main.c (pic16_optionsTable): added command line option
--optimize-cmp,
* (_pic16_initPaths): when calling C preprocessor define pic18fXXXX
macro too, when calling assembler define pic18fXXXX *and* __18Fxxxx
macros,
* src/pic16/NOTES: Raphael Neider added in list of active developers
* src/pic16/pcode.c (OPT_TYPE_STR): added strings jumptable_begin and
jumptable_end to prevent bug #,
* (pic16_pciADDWFC, ADDFWC, COMF, CLRF): added some missing flags in
inCond and outCond fields,
* src/pic16/pcoderegs.c (pCodeOptime2pCodes): add a fix for bug #,
* src/pic16/ralloc.c (serialRegAssign): explicit set willCS to 0 to
turn off register spilling,
* (packRegsForOneUse): synced with other ports' versions although it
is not used currently,
* (pic16_packRegisters): added an optimization while reading
structure bitfields, some registers may be saved (malloc code is
decreased by 80 bytes)
vrokas [Sat, 12 Mar 2005 10:39:48 +0000 (10:39 +0000)]
* src/SDCCcse.c (cseBBlock): inside 'do operand lookup' loop test if
left is a bitfield, if yes, then don't optimize assignment. Perhaps
this can be optimized more?
maartenbrock [Sun, 6 Mar 2005 11:50:17 +0000 (11:50 +0000)]
* src/SDCCicode.h: moved CRITICAL and ENDCRITICAL from SKIP_IC2 to SKIP_IC
* src/mcs51/ralloc.c (willCauseSpill): added check for REG_BIT type,
(regTypeNum): set REG_BIT type if necessary
* src/mcs51/ralloc.h: added define REG_BIT, used to fix bug 1144613
* support/regression/tests/critical.c: check bug 1144613
frief [Sun, 20 Feb 2005 19:31:18 +0000 (19:31 +0000)]
* src/SDCCpeeph.def: new keyword "labelRefCountChange" which allows peepholes to keep the correct label reference count when adding/removing references to labels. A peephole file using this is appended to patch #1144962.
frief [Sun, 20 Feb 2005 19:29:56 +0000 (19:29 +0000)]
new keyword "labelRefCountChange" which allows peepholes to keep the correct label reference count when adding/removing references to labels. A peephole file using this is appended to patch #1144962.
tecodev [Mon, 14 Feb 2005 11:00:42 +0000 (11:00 +0000)]
* device/lib/pic16/libc/string/memccpy.c: changed 3rd argument to char
* src/SDCC.lex (process_pragma): fixed to make disable_warning work for PIC16
* src/pic16/gen.c (aopForSym, calls to pic16_aopOp): prevent unneccessary
retrievals of result operand's value on assignment
vrokas [Sun, 13 Feb 2005 13:57:22 +0000 (13:57 +0000)]
* device/include/pic16/string.h: modified prototype for memccpy()
to memccpy(void *, void *, char, size_t)
* src/pic16/gen.c (genFunction, genEndFunction): reenable if-case to
check whether to omit frame pointer or not,
* (genInline): convert all occurences of "\n" to LF in inline
assembler blocks, this helps formatting the inline text,
* (pic16_loadFSR0): modified prototype,
* (genNearPointerGet, genNearPointerSet): reorganization of code,
removed some 8051 legacy code,
* (genPackBits): enabled handling bitfields exceeding one byte in size,
* src/pic16/ralloc.c (pic16_assignRegisters): clear dynrIdx variable
before allocating temporary registers in functions,
tecodev [Wed, 9 Feb 2005 14:59:40 +0000 (14:59 +0000)]
* src/SDCC.lex(doPragma) : save and restore warning options as well
(also added new stack plus clone- and copyAndFreeSDCCERRG())
* have #pragma less_pedantic set the errorlevel to WARNING
(fixes #1117001)
* (cloneOptimize) : fixed wrong malloc's size
* support/Util/SDCCerr.[ch] : made SDCCERRG globally accessible to
facilitate correct handling of #pragma (save|restore)
tecodev [Wed, 2 Feb 2005 21:53:55 +0000 (21:53 +0000)]
* src/SDCCast.c (processParms): disabled W_NONRENT_ARGS for pic16 port
* src/pic16/gen.c (aopForSym): reenabled special case for function pointers
* (pic16_storeForReturn): fixed to allow returning function pointers
* (genPackBits): improved accessing full bytes, implemented for GPOINTERs
* device/include/pic16/{stddef.h,stdbool.h}: added
tecodev [Mon, 24 Jan 2005 00:18:44 +0000 (00:18 +0000)]
* src/pic16/pcode.h: added second memory operand to pCodeOpReg
to enable upcast to pCodeOpReg2 (there is no type tag to
differenciate the two and pic16_popGet2p casts into PCOR2)
* src/pic16/main.c (_process_pragma): fixed another malloc bug
(sizeof(sectNames) changed to sizeof(sectName))
Both patches fix segfaults under MinGW.
vrokas [Sun, 23 Jan 2005 11:23:43 +0000 (11:23 +0000)]
* src/pic16/gen.c: fixed bug #1106975,
* src/pic16/gen.c: fixed possible bug #1102572, now during TOS
pointer update, INTCON is saved, global interrupts are disabled and
restored after updateing TOS.
* src/SDCC.y, src/SDCC.lex, src/SDCCsymt.c, src/SDCCsymt.h:
* added function attribute 'shadowregs' to take advantage of shadow
registers,
* added function attribute 'wparam' as an alternative to the wparam
pragma,
* support/Utils/SDCCerr.[ch]: added error E_SHADOWREGS_NO_ISR when
user declares a non-ISR function as 'shadowregs',
* doc/sdccman.lyx: updated to reflect recent changes of pic16 port
vrokas [Sat, 22 Jan 2005 18:02:16 +0000 (18:02 +0000)]
* .version: bumped version number to 2.4.8
* device/lib/pic16/pics.all: list of PIC18F devices supported by
pic16 port,
* device/lib/pic16/libio/i2c/: I2C module support library,
* device/include/pic16/i2c.h: I2C support library header,
* device/lib/pic16/libc/stdio/: standard IO support sources,
* (printf_small.c): printf_small() source, supports float print,
* (printf_tiny.c): printf_tiny() source, does not support floats,
* device/lib/pic16/Makefile.common.in: added OPT_FLAGS macro to
enable global optimizations for entire library source, other
Makefiles in the source tree are also modified to reflect this,
* device/lib/pic16/libc/stdlib/putchar.c (putchar): dummy putchar()
function,
* doc/sdccman.lyx: updated to reflect new changes,
* src/pic16/gen.c (aopForSym): don't handle sym->iaccess in
sym->onStack if-case,
* src/pic16/main.c (_pic16_keywords): commented out keywords bit,
sbit, idata, _idata, xdata, _xdata,
* added pragma library, to link an external library, (see doc),
* removed command line options, --pomit-config-words, --pomit-ivt,
--pleave-reset-vector,
* (pic16_finaliseOptions): when define macro SDCC_MODEL_{SMALL/LARGE}
when calling assembler to reflect memory model used, also define
macro STACK_MODEL_{SMALL/LARGE} when compiling and assembling to
reflect stack model used,
* src/pic16/ralloc.c (pic16_allocDirReg): when operand is allocated
on stack return NULL,
tecodev [Sat, 22 Jan 2005 01:47:18 +0000 (01:47 +0000)]
* src/pic16/pcoderegs.c (pCodeOptime2pCodes): reenabled optimization
* (OptimizeRegUsage): make sure that there is really no other flow where
the first pCode is used
tecodev [Wed, 19 Jan 2005 16:48:36 +0000 (16:48 +0000)]
* src/SDCCglobl.h: ensure that PATH_MAX >= 2048 to guarantee
cmdLine buffers (used when calling sdcpp...) are large enough
(MAX_PATH=256 truncates arguments leading to system halts when
used in MinGW...)
* src/pic16/gen.c (pic16_sameRegs): relaxed size criterion
* (genUminus): rewritten to for efficiency
* (genNearPointer[GS]et): enforce reloading of FSR0 (was still
used uninitialized in some cases)
* (genCast): upcasting a 16bit int to a 24bit GPOINTER may not
copy the third byte from the int -- now assumes 0x80 (data memory)
* src/pic16/genarith.c (pic16_genPlus): fixed bug when swapping
operands (genAddLit expects the iCode's operands to swapped as
well), fixed leftover bytes (crashed for short left operands)
* (pic16_genMinusDec): performance improvements, removed false
PIC14 emitSKPNCs
* (pic16_genMinus): fixed to cope with differently sized operands
* src/pic16/glue.c (pic16_glue): added new banksel optimization
for --obanksel > 1
* src/pic16/pcode.c: implemented (first phase of) banksel optimization
* src/pic16/graph.[ch]: implementation of directed graphs, used by
new banksel optimization
* src/pic16/pcoderegs.c (pCodeRegMapLiveRangesInFlow): prevented
analysis for temporary registers (segfaults...)
* src/pic16/peeph.def: added rule
vrokas [Tue, 18 Jan 2005 10:44:20 +0000 (10:44 +0000)]
* device/lib/pic16/libc/stdlib/x_ftoa.c: it defines x_ftoa function
which converts a float number to its ASCII representation
* device/lib/pic16/libc/utils/cnvfrac.S,cnvint.S: support
functions to convert the fractional and integer part of a float to ASCII,
* device/lib/pic16/libc/stdlib/(calloc.c,free.c, malloc.c,
realloc.c): added _MALLOC_SPEC to explicit place variables in data ram
vrokas [Tue, 18 Jan 2005 10:42:16 +0000 (10:42 +0000)]
* device/lib/pic16/libc/stdlib/x_ftoa.c: it defines x_ftoa function
which converts a float number to its ASCII representation
* calloc.c, free.c, malloc.c, realloc.c: added _MALLOC_SPEC to explicit
place variables in data ram
vrokas [Tue, 18 Jan 2005 10:09:24 +0000 (10:09 +0000)]
* device/include/asm/pic16/features.h: added _CODE, _DATA, _AUTOMEM,
_STATMEM macros,
* device/include/pic16/adc.h: added GPL info,
* src/pic16/gen.c (genIfxpCOpJump): perform an genIfxJump but using
a pCodeOp as tested operand,
* (genNearPointerGet): optimized bit testing, does not use
intermediate register for bit value, test directly instead with
BTFSS, BTFSC, works only for single bits,
* (genpic16Code): dump the name of the iCode in the asm,
* src/pic16/ralloc.c (decodeOp): removed static declaration and
renamed to pic16_decodeOp,
* (serialRegAssign): do not allocate a temporary register for iCode
sequences that test a single bit for 1/0
vrokas [Wed, 12 Jan 2005 14:26:24 +0000 (14:26 +0000)]
* src/pic16/pcode.[ch]: introduced pic16_stackpnt_*,
pic16_framepnt_*, pic16_stack_*, pic1_frame_* pointer variables to
access stack and frame pointers. They are initially assigned to
point at pic16_pc_fsr1[lh] and pic16_pc_fsr2[lh] variables and other
accessing SFRs. Updated all occurences of modification of stack or
frame pointer in gen.c and pcode.c,
* src/pic16/ralloc.c (serialRegAssign): fixed two bugs with
assigning of a literal value to pointers,
* src/pic16/main.c (pic16_finiliseOptions): set pre-processor define
flag STACK_MODEL_SMALL or STACK_MODEL_LARGE according to the model
selected
tecodev [Tue, 4 Jan 2005 11:48:45 +0000 (11:48 +0000)]
* src/pic16/gen.c (genIfxJump) fixed inverted skips on CARRY
* (genIfx) fixed (?) read from uninitialized SPIL_LOC (now assumes CARRY
to hold the condition bit)
* added new version of genCmp (old code available via #define)
* added new version of genShiftLeft/genShiftRight in a generic
way, now supports shifting by negative values
* (genLeftShiftLiteral, genRightShiftLiteral) use absolute value of
shiftCount (expected by genGenericShift)
* src/pic16/genarith.c (genPlus) added code for adding CARRY+literal
* src/pic16/pcode.c (pic16_OptimizeJumps) removed annoying statistics dump
* (pic16_newpCodeOpLit) changed to cast to unsigned char (as e.g. -32766
is an invalid literal too...)
tecodev [Tue, 4 Jan 2005 11:38:36 +0000 (11:38 +0000)]
* src/pic16/gen.c (genIfxJump) fixed inverted skips on CARRY
* (genIfx) fixed (?) read from uninitialized SPIL_LOC (now assumes CARRY
to hold the condition bit)
* added new version of genCmp (old code available via #define)
* added new version of genShiftLeft/genShiftRight in a generic
way, now supports shifting by negative values
* (genLeftShiftLiteral, genRightShiftLiteral) use absolute value of
shiftCount (expected by genGenericShift)
* src/pic16/genarith.c (genPlus) added code for adding CARRY+literal
* src/pic16/pcode.c (pic16_OptimizeJumps) removed annoying statistics dump
* (pic16_newpCodeOpLit) changed (again) to cast to _unsigned_ char (as e.g.
-32766 is an invalid literal too...)
vrokas [Tue, 4 Jan 2005 00:51:18 +0000 (00:51 +0000)]
* src/pic16/gen.c (aopForSym, genEndFunction): applied some fixes
from Raphael Neider,
* src/pic16/pcode.c (pic16_newpCodeOpLit): removed casting to char
for 8-bit literals. This fixes some literal operands which are sign
extended to 16-bits ints when instruction needs only 8-bits.
pjs [Tue, 28 Dec 2004 21:54:28 +0000 (21:54 +0000)]
Don't provide printf_fast, printf_fast_f and printf_tiny on architectures
they don't support (eg, with --xstack).
Don't compile shared asm float helper functions when asm float lib not
enabled.