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.
vrokas [Wed, 22 Dec 2004 07:08:06 +0000 (07:08 +0000)]
* applied a previous patch from Raphael Neider that wasn't included
in the previous commits, which fixes infinite loops within jumptable
improvements,
* made some fixes that previous patches introduced
vrokas [Tue, 21 Dec 2004 08:10:01 +0000 (08:10 +0000)]
* src/pic16/gen.c (pic16_aopGet): applied fix from Raphael Neider
that fixes an issue with AOP_PCODE asmop's offset,
* (pic16_popCopyReg): update instance field too,
* (mov2w): modified to pic16_mov2w because it conflicts with mov2w
function of pic port,
* (genCmp, genAnd, genAssign),
* src/pic16/genarith.c (genAddLit): some fixes from Raphael Neider,
vrokas [Mon, 20 Dec 2004 21:48:32 +0000 (21:48 +0000)]
* src/SDCCast.c (gatherAutoInit): allow pic16 to emit static
variables initial values to idata section,
* src/SDCCicode.c (geniCodeCall): patch from ### to fix unreferenced
variables in some functions. This utilizes parmBytes field of iCode
structure to hold the offset of the variable in stack. (might be
able to use the stack field too?)
* applied patch from Raphael Neider # ### , # ###
* src/pic16/glue.c (pic16emitRegularMap): fix to print static
variable initial values in idata section,
* src/pic16/ralloc.c (pic16_allocDirReg): don't allocate register
for static variables with initial value
* src/device/lib/pic16/libsdcc/float/ulong2fs.c (__ulong2fs):
applied fix in while loop from Raphael Neider.
maartenbrock [Thu, 9 Dec 2004 18:24:40 +0000 (18:24 +0000)]
* device/include/sdcc-lib.h: inserted LGPL, added includes
asm/ds390/features.h and asm/mcs51/features.h
* device/include/asm/default/features.h,
* device/include/asm/gbz80/features.h,
* device/include/asm/z80/features.h: added empty _AUTOMEM
and _STATMEM
* device/include/asm/ds390/features.h,
* device/include/asm/mcs51/features.h: added files with defines for
_AUTOMEM and _STATMEM indicating automatic and static storage class
* device/lib/printf_large.c (_print_format): optimized & used _AUTOMEM
* doc/sdccman.lyx: version 2.4.7, updated xstack documentation
* src/SDCCicode.c (geniCodeCast),
* src/SDCCsymt.c (compareType): allow cast of data-ptr to idata-ptr
* src/SDCCloop.c (loopInduction): removed unused variable lr
* src/SDCCopt.c (convilong, convertToFcall): moved "easy special case"
to convertToFcall to include char modulo (RFE 1065037), added check
if left operand is unsigned and use abs of literal value
* src/SDCCpeeph.c (setFromConditionArgs): removed double quotes option
as it doesn't work after conversion from peephole.def to peephole.rul
* src/mcs51/gen.c (toBoolean): added check for size,
(genModOneByte): optimized code for signed char modulo a literal
power of 2 (thanks to Hubert Sack),
(genRRC): removed unnecessary "clr c",
(genRLC): replaced "add a,acc" with cheaper "rlc a"
* src/mcs51/peeph.def: renamed 115 to 115.a, added rule 115.b: another
jump optimization,
swapped rules 256.c and 256.d,
extended 256.d by using new multiple checks (thanks Erik),
added rules 256.e and 256.f,
updated rule 261.a and 261.b to new generated code
* support/regression/tests/muldiv.c: added test div/mod by a power of 2
vrokas [Sun, 5 Dec 2004 00:16:11 +0000 (00:16 +0000)]
* applied patch from bug-report #1076292,
* applied patches for genAnd and Goto-optimizations for Raphael
Neider,
* src/SDCCicode.c (printOperand): fixed !REGA source to compile and
dump a less iCode information,
* src/pic16/device.h (pic16_options_t): added field debgen,
* src/pic16/gen.h: added macros DUMP_FUNCTION_ENTRY,
DUMP_FUNCTION_EXIT, FENTRY, FENTRY2,
* src/pic16/gen.c (my_powof2): renamed to pic16_my_powof2 and made
puclic,
* (various functions): added macros FENTRY and FENTRY2 to functions,
to emit function prologue,
* (various functions): fixed indentation,
* (genNearPointerGet): fixed loading of FSR0,
* (genPackBits): applied patch from Raphael Neider to fix updating
of FSR0 and touching only the modified bits,
* src/pic16/genarith.c (various functions): added macros FENTRY to
emit function prologue in comments,
* src/pic16/pcode.h: added functions debugf2, debugf3,
* src/pic16/ralloc.c: partial fix for packForPush caused
segmentation fault,
frief [Sat, 4 Dec 2004 11:16:11 +0000 (11:16 +0000)]
* src/mcs51/peeph.def: added 261.a,b (16 bit rotate) by Stas Sergeev <stsp AT users.sourceforge.net> with reversed byte order
* support/regression/tests/rotate.c: added (ds390 skips some tests)
epetrich [Sat, 4 Dec 2004 06:12:32 +0000 (06:12 +0000)]
* src/z80/gen.c (genLeftShift, genRightShift): fixed second part of
bug #1074377
* src/hc08/gen.c (genrshFour, shiftRLong, shiftLLong),
* src/mcs51/gen.c (shiftLLong): Fixed some shifting bugs Frieder found
epetrich [Thu, 2 Dec 2004 08:24:51 +0000 (08:24 +0000)]
* src/SDCCpeeph.c (callFuncByName): support combined peephole rule
conditions,
(setFromConditionArgs): friendly operand parser for peephole rules,
(operandBaseName, operandsNotRelated): new peephole condition
"operandsNotRelated" -- similar to "operandsNotSame", but takes
architecture specific register naming into account, handles n-way
comparisons, and supports quoted literals
* src/mcs51/peeph.def: restored rule 177.d with an extra condition
frief [Sun, 28 Nov 2004 14:17:41 +0000 (14:17 +0000)]
Adding support for replacing ljmps with sjmps in jumptables
generated for switch statements. For now you need to set the
environment variable SDCC_SJMP_JUMPTABLE to enable this.
Now 4 algorithms for mcs51 jumptable generation are used:
ljmp or sjmp jumptables for up to 16 cases, stack-pushing target
addresses loaded pc-relative for up to 112 cases and stack-pushing
target addresses loaded with offset from dptr for up to 256 cases.
* src/SDCCpeeph.c: added peephole conditional labelJTInRange
* src/mcs51/main.c: adapted constants for switch table generation
* src/mcs51/peeph.def: added 260.x for replacing ljmp with sjmp
maartenbrock [Fri, 26 Nov 2004 16:28:21 +0000 (16:28 +0000)]
* device/lib/printf_large.c (_print_format): fixed bug 1073386,
(calculate_digit): added optimization for octal and hex
* support/regression/tests/bug1057979.c: added test for bug 1073386
vrokas [Wed, 24 Nov 2004 00:20:50 +0000 (00:20 +0000)]
Large cummulative patch for pic16 port.
* device/lib/pic16/gstack.h: NEW, user can specify its own handler
to call when a stack overflow occurs,
* (malloc.h): added CVS Id tag,
* (pic18f{242,252,442,452}.h): added T0CONbits structure and
variable,
* added libc directory. The current version of LibC contains string
functions, ctype functions and macros and some functions of the
stdlib set (like malloc/free/atof/atoi etc...). All functions are to
be extensively tested in the future. Standard disclaimer here.
Library is not automatically build yet. But one can build it by
invoking 'make' inside the libc directory.
* added ADC library under libio. Preliminary version yet.
* src/pic16/gen.h: added emitTOGC macro, to toggle Carry flag,
* src/pic16/gen.c (aopForRemat): asmop size is filled by
aopForRemat() now and not by pic16_aopOp(),
* (pic16_popGetTempReg): removed warning messgae when allocating
temporary registers, its a buggy feature and will be removed,
* (pic16_popGet): set register instance field in AOP_CRY,
* (pic16_outBitC): fixed for results in size greater than 1,
* (genUminusFloat): fixed for pic16, ported code from mcs51,
* (pic16_storeForReturn): optimized return of 0,
* (genCmp): experimental code for new genCmp which uses PIC18's
special compare&skip instructions. Initial tests fail some times
with variables grater than 1 byte in size, so new code is disabled,
* (genUnpackBits, genPackBits): more optimizations in reading/writing,
a single bit,
* (genCast): began a fix to optimize the casting of a bit to another
bit, now assigning a bitfield to another bitfield will fail, sorry,
* src/pic16/main.c: disabled the use of lr-support feature,
* src/pic16/pcode.h: renamed PCASMDIR to PCAD,
* added some function prototypes, added function _debugf prototype,
* src/pic16/pcode.c: (pic16_get_op): fixed emitting operands of register
bits with offset (case PO_GPR_BIT),
* (genericPrint): don't emit INFO pcode when --pcode-verbose not in
command line,
* (isBankInstruction): modified to return 0 for no banking instruction,
and 1 for banking instruction,
* (pic16_isPCinFlow): check for PCAD (assembler directives) too,
caused stop processing pCodes after a inline assembly block,
* (pic16_popCopyGPR2Bit): updated to match bitfields with offset,
* src/pic16/pcoderegs.c: fixed a bug with eliminating some temporary
registers when it shouldn't,
* src/pic16/ralloc.c (allocReg): add preliminary support for
supporting a limited set of temporary registers,
epetrich [Sat, 20 Nov 2004 05:57:00 +0000 (05:57 +0000)]
* src/SDCCmain.c (parseCmdLine, optionsTable[]): fixed bug with
--out-fmt-s19 turning into --out-fmt-elf if s19 was already
selected.
* src/SDCCmain.c (linkEdit): don't define SSEG for HC08
* src/hc08/main.c (_hc08_setDefaultOptions): default xdata to be
contiguous with data
frief [Fri, 19 Nov 2004 19:02:01 +0000 (19:02 +0000)]
* device/lib/_gptrget.c (_gptrget),
* device/lib/_gptrgetc.c (_gptrgetc),
* device/lib/_gptrput.c (_gptrput): _naked allows to use ret
instead of sjmp to ret
maartenbrock [Thu, 18 Nov 2004 12:38:26 +0000 (12:38 +0000)]
* .version: bumped version to 2.4.7
* device/lib/_gptrget.c (_gptrget): is now _naked
* device/lib/_gptrgetc.c (_gptrgetc): is now _naked
* device/lib/_gptrput.c (_gptrput): is now _naked
* src/SDCCast.c (createBlock): removed ridiculous self-assignment,
(createFunction): fixed xstack
* src/SDCCglue.c (emitMaps): set allocation required for bit area
* src/SDCCicode.c (geniCodeCast): don't change SPEC_OCLS for literal
or bit either,
(geniCodeCritical): store original interrupt state in an iTemp bit
var unless stack-auto
* src/SDCCicode.h: added CRITICAL and ENDCRITICAL to SKIP_IC2
* src/SDCCmain.c (setIncludePath): added include/target to search path
* src/SDCCmem.c (allocParms): store bit vars in bit space, not overlay
* src/SDCCsymt.c (checkFunction): don't check regbank for isr's against
prototype,
(processFuncArgs): put bit vars in bit area
* src/mcs51/gen.c (saveRegisters, unsaveRegisters, genXpush, saveRBank,
unsaveRBank): fixed xstack,
(genFunction): bugfix: replaced (global!) reentrant with fReentrant,
(genFunction, genEndFunction): fixed xstack,
(genAssign): optimization don't walk backwards through mem
* src/mcs51/main.c (_mcs51_regparm): don't pass bit params in registers
* src/mcs51/ralloc.c (createStackSpil): spill bits to bit area
* support/regression/Makefile: also make library (for stack-auto) when
making "all" and added "test-mcs51-xstack-auto"
* support/regression/fwk/lib/testfwk.c: added T2_isr prototype for mcs51
* support/regression/ports/mcs51/T2_isr.c: added this file as a stub
* support/regression/ports/mcs51/fwk.lib: added to link T2_isr stub
* support/regression/ports/mcs51/spec.mk: added rules for fwk.lib
* support/regression/ports/mcs51-stack-auto/spec.mk: replaced
make-library by MAKE_LIBRARY
* support/regression/ports/mcs51-xstack-auto/spec.mk: file added to run
regression tests for xstack
* support/regression/tests/bitvars.c: test for bit vars (bug 938782)
* support/regression/tests/critical.c: test for critical on mcs51
maartenbrock [Sun, 14 Nov 2004 11:53:10 +0000 (11:53 +0000)]
* src/mcs51/gen.c (toBoolean): fixed bug 1065458
* device/lib/Makefile.in: z80 uses printf_large.c, sprintf.c and
vprintf.c now
* device/lib/printf_large.c (calculate_digit): fixed bug 1057979
* device/lib/z80/Makefile: don't use printf.c as it fails bug 1057979
WARNING: remove device/lib/build/z80/printf.o by hand when
updating from previous build!
* device/lib/z80/printf.c: updated comment
* support/regression/tests/bug1057979.c: test all ports now
* support/regression/tests/bug1065458.c: file added
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