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97 Commits

Author SHA1 Message Date
Jonas Maebe
7d459cf12a * the compiler now explicitly keeps track of the minimally guaranteed 
alignment for each memory reference (mantis #12137, and
    test/packages/fcl-registry/tregistry1.pp on sparc). This also
    enables better code generation for packed records in many cases.
  o several changes were made to the compiler to minimise the chances
    of accidentally forgetting to set the alignment of memory references
    in the future:
    - reference_reset*() now has an extra alignment parameter
    - location_reset() can now only be used for non LOC_(C)REFERENCE,
      use location_reset_ref() for those (split the tloc enum so the
      compiler can catch errors using range checking)

git-svn-id: trunk@12719 -
 2009-02-08 13:00:24 +00:00
Jonas Maebe
7bfe1f7865 * fixed indentation 
* fixed use of instruction instance after it has been freed

git-svn-id: trunk@11761 -
 2008-09-13 12:20:01 +00:00
florian
e27937106f - removed obsolete USECMOV define 
git-svn-id: trunk@11645 -
 2008-08-24 12:46:42 +00:00
yury
491f0fa1d8 * Replaced all user defined warnings by TODO comments to reduce compiler noise. 
git-svn-id: trunk@11443 -
 2008-07-23 11:00:03 +00:00
yury
fd0ed50331 * Removed/commented more unused variables. 
* Fixed some uninitialized variable warnings.

git-svn-id: trunk@11442 -
 2008-07-23 10:48:53 +00:00
Jonas Maebe
3b72bf98b0 * fixed short/smallint add/sub peephole in case of operations with 
only one operand + documented it by example (mantis #11223)
    

git-svn-id: trunk@10828 -
 2008-04-27 21:01:52 +00:00
Jonas Maebe
a3b877247c * don't perform call/jmp into push/jmp in case we're generating 
pic, as that optimization is invalid in that case

git-svn-id: trunk@10655 -
 2008-04-13 17:03:07 +00:00
daniel
459382faa8 + Teach peephole optimizer the cmc/adc trick I used in int_str. 
git-svn-id: trunk@9799 -
 2008-01-19 21:47:37 +00:00
peter
cbac667753 * check for eax,edx,ecx,ebx that support 8,16 bit registers in shortint add/sub peephole 
and update register size of substructor

git-svn-id: trunk@9351 -
 2007-11-29 21:16:32 +00:00
peter
fcb37c4fa4 * peephole added for non-longint:=non-longint+X 
git-svn-id: trunk@9329 -
 2007-11-25 14:32:59 +00:00
florian
c219b1f753 * fixed/enabled andl/addl/... xx,reg1 orl reg1,reg1 setxx/jxx/cmovxx optimization 
git-svn-id: trunk@8902 -
 2007-10-21 19:54:09 +00:00
Jonas Maebe
20206500aa * don't change a sequence of shifts and sub/adds into a lea() in case 
the flags are read afterwards (broke shldl/sub/sbb sequence generated
    for 64 bit "*2", which appears in bitpacked size calculation)

git-svn-id: trunk@7336 -
 2007-05-14 20:37:42 +00:00
daniel
c23bbe24bf + Add peoplehole optimization to optimize "smallset+[x]" and "smallset-[x]". 
git-svn-id: trunk@7188 -
 2007-04-29 10:32:18 +00:00
florian
85d63d9fa9 * settings refactored 
git-svn-id: trunk@5094 -
 2006-10-30 18:02:58 +00:00
Jonas Maebe
01cf70d354 * don't change "mov const,ref; mov ref,reg" into "mov const,reg; mov reg,ref" 
if ref depends on reg

git-svn-id: trunk@3002 -
 2006-03-21 15:25:16 +00:00
peter
b7fe6797bf Merged revisions 2921-2922,2925 via svnmerge from 
http://svn.freepascal.org/svn/fpc/branches/linker/compiler

........
r2921 | peter | 2006-03-15 08:35:00 +0100 (Wed, 15 Mar 2006) | 2 lines

  * pass ObjectWriter to ObjectOuput

........
r2922 | peter | 2006-03-15 12:40:30 +0100 (Wed, 15 Mar 2006) | 2 lines

  * refactor asmdata

........
r2925 | peter | 2006-03-15 16:09:39 +0100 (Wed, 15 Mar 2006) | 3 lines

  * add cfi to asmdata
  * move asmlist, asmcfi, asmdata to own unit

........

git-svn-id: trunk@2932 -
 2006-03-16 08:52:22 +00:00
peter
d8dc5679e3 * aktcputype and aktoptimizecputype was missing in the previous optimization commits 
git-svn-id: trunk@2907 -
 2006-03-13 12:29:56 +00:00
peter
b6e35a200e * rewrite of optimizer options 
git-svn-id: trunk@2901 -
 2006-03-13 09:05:50 +00:00
peter
785550d7e3 Merged revisions 2669,2673,2677,2683,2696,2699-2702,2704,2708,2712-2715,2718,2722-2723,2728-2730,2740,2769 via svnmerge from 
svn+ssh://peter@www.freepascal.org/FPC/svn/fpc/branches/linker/compiler

........
r2669 | peter | 2006-02-23 09:31:21 +0100 (Thu, 23 Feb 2006) | 2 lines

  * add compiler dir

........
r2673 | peter | 2006-02-23 17:08:56 +0100 (Thu, 23 Feb 2006) | 2 lines

  * enabled more code

........
r2677 | peter | 2006-02-24 17:46:29 +0100 (Fri, 24 Feb 2006) | 2 lines

  * pe stub and headers

........
r2683 | peter | 2006-02-25 23:13:24 +0100 (Sat, 25 Feb 2006) | 2 lines

  * section options cleanup

........
r2696 | peter | 2006-02-26 20:27:41 +0100 (Sun, 26 Feb 2006) | 2 lines

  * fixed typecasts

........
r2699 | peter | 2006-02-26 23:04:32 +0100 (Sun, 26 Feb 2006) | 2 lines

  * simple linking works

........
r2700 | peter | 2006-02-27 09:44:50 +0100 (Mon, 27 Feb 2006) | 2 lines

  * internal linker script

........
r2701 | peter | 2006-02-27 12:05:12 +0100 (Mon, 27 Feb 2006) | 2 lines

  * make elf working again

........
r2702 | peter | 2006-02-27 14:04:43 +0100 (Mon, 27 Feb 2006) | 3 lines

  * disable dwarf for smartlinking with .a
  * fix section start in new .a file

........
r2704 | peter | 2006-02-27 18:30:43 +0100 (Mon, 27 Feb 2006) | 2 lines

  * stab section fixes

........
r2708 | peter | 2006-02-28 19:29:17 +0100 (Tue, 28 Feb 2006) | 2 lines

  * basic work to merge stabs sections

........
r2712 | peter | 2006-02-28 23:17:48 +0100 (Tue, 28 Feb 2006) | 2 lines

  * unload tmodules before linking

........
r2713 | peter | 2006-02-28 23:18:51 +0100 (Tue, 28 Feb 2006) | 2 lines

  * fixed stabs linking

........
r2714 | peter | 2006-02-28 23:19:19 +0100 (Tue, 28 Feb 2006) | 2 lines

  * show code and data size

........
r2715 | peter | 2006-02-28 23:25:35 +0100 (Tue, 28 Feb 2006) | 2 lines

  * unload .stabs from objdata after it is merged

........
r2718 | peter | 2006-03-01 12:24:38 +0100 (Wed, 01 Mar 2006) | 3 lines

  * memsize/datasize cleanup
  * check for exports/resources when adding module to linker

........
r2722 | peter | 2006-03-03 09:12:20 +0100 (Fri, 03 Mar 2006) | 2 lines

  * new TObjSymbol splitted from TAsmSymbol

........
r2723 | peter | 2006-03-03 14:08:55 +0100 (Fri, 03 Mar 2006) | 2 lines

  * coff fixes after recent objsymbol changes

........
r2728 | peter | 2006-03-03 22:43:04 +0100 (Fri, 03 Mar 2006) | 2 lines

  * fixed coff writer

........
r2729 | peter | 2006-03-04 01:10:32 +0100 (Sat, 04 Mar 2006) | 2 lines

  * fix read-only opening

........
r2730 | peter | 2006-03-04 01:11:16 +0100 (Sat, 04 Mar 2006) | 2 lines

  * Read edata from DLLs, basic work

........
r2740 | peter | 2006-03-04 21:13:43 +0100 (Sat, 04 Mar 2006) | 3 lines

  * deletedef added
  * don't remove defs from index when we are already clearing everything

........
r2769 | peter | 2006-03-05 21:42:33 +0100 (Sun, 05 Mar 2006) | 4 lines

  * moved TObj classes to ogbase
  * ObjSection.SymbolRefs and SymbolDefines list
  * DLL importing

........

git-svn-id: trunk@2771 -
 2006-03-05 21:10:37 +00:00
peter
5ac78d1ec3 * fix range error 
git-svn-id: trunk@2640 -
 2006-02-20 06:59:14 +00:00
daniel
e138c9c081 + Add nice little peephole trick 
+ Add a comment to another

git-svn-id: trunk@2602 -
 2006-02-15 22:03:07 +00:00
Jonas Maebe
a68ca7eb2a * fixed web bug #4768 + test 
git-svn-id: trunk@2479 -
 2006-02-08 19:22:26 +00:00
florian
e43a1223ff * fixed refs book keeping 
git-svn-id: trunk@2211 -
 2006-01-07 21:10:39 +00:00
florian
8b01dce70a * cmov ref,reg disabled because ref might be never nil 
git-svn-id: trunk@1407 -
 2005-10-16 12:25:58 +00:00
peter
a3ab2053c9 * support multiple asmlabel types, renamed getlabel to 
getjumplabel and added type para to getlabel for specific types
  * moved lineinfo generation from assemble and aggas to dbgstabs

git-svn-id: trunk@1120 -
 2005-09-18 21:16:10 +00:00
fpc
790a4fe2d3 * log and id tags removed 
git-svn-id: trunk@42 -
 2005-05-21 09:42:41 +00:00
fpc
50778076c3 initial import 
git-svn-id: trunk@1 -
 2005-05-16 18:37:41 +00:00
florian
33ec5d49c5 * USECMOV fixed 2005-03-20 21:41:10 +00:00
Jonas Maebe
ec959955bd * fixed generic jumps optimizer and enabled it for ppc (the label table 
was not being initialised -> getfinaldestination always failed, which
    caused wrong optimizations in some cases)
  * changed the inverse_cond into a function, because tasmcond is a record
    on ppc
  + added a compare_conditions() function for the same reason
 2005-02-26 01:26:59 +00:00
Jonas Maebe
04b1263e7f * fixed uninitialised function result in getfinaldestination() when 
maximum recursion reached
 2005-02-25 20:50:53 +00:00
peter
e417e34496 * truncate log 2005-02-14 17:13:06 +00:00
florian
c279c13d17 * the optimization fstp f;fld f to fst f disabled; leads to rounding problems 2004-12-18 15:21:56 +00:00
peter
6458bd0ce1 * tvarsym splitted 2004-11-08 22:09:58 +00:00
Jonas Maebe
cf085fb9d0 * several fixes to allocregbetween() 2004-10-10 15:01:19 +00:00
peter
f5471aef6e * more spilling rewrites 2004-10-05 20:41:01 +00:00
peter
fa3f491546 * range check errors fixed 2004-10-05 17:31:41 +00:00
florian
8a9758c5e2 * logs truncated 2004-06-20 08:55:28 +00:00
florian
588e2c38bf * dwarf branch merged 2004-06-16 20:07:06 +00:00
Jonas Maebe
74836e0d0d * fixed refaddr bug that caused go32v2 cycle failure 2004-03-14 18:42:32 +00:00
Jonas Maebe
401d1891ae * fixed bug in ref_addr changes 2004-02-28 16:59:02 +00:00
florian
fabb9c33ac * top_symbol killed 
+ refaddr to treference added
  + refsymbol to treference added
  * top_local stuff moved to an extra record to save memory
  + aint introduced
  * tppufile.get/putint64/aint implemented
 2004-02-27 10:21:04 +00:00
peter
8a86aad56d * remove previous commit 2004-02-03 21:19:40 +00:00
peter
7ca069476f *** empty log message *** 2004-02-03 16:53:37 +00:00
peter
64d60391bd * fixed crashes when procdef.funcretsym is not valid 2004-01-22 16:14:17 +00:00
peter
1367e342db * reg allocations for imaginary register are now inserted just 
before reg allocation
  * tregister changed to enum to allow compile time check
  * fixed several tregister-tsuperregister errors
 2003-12-15 21:25:48 +00:00
peter
39b4e0398a * fixed csdebug 2003-12-14 22:42:14 +00:00
Jonas Maebe
942cfc9aac * isgp32reg was being called with both tsuperregister and tregister 
parameters, so changed type to tsuperregister (fixes bug reported by
    Bas Steendijk)
  * improved regsizesok() checking so it gives no false positives anymore
 2003-12-13 15:48:47 +00:00
Jonas Maebe
aad37ce53c * fixed optimiser so it compiles again 
* fixed several bugs which were in there already for a long time, but
    which only popped up now :) -O2/-O3 will now optimise less than in
    the past (and correctly so), but -O2u/-O3u will optimise a bit more
  * some more small improvements for -O3 are still possible
 2003-11-22 00:40:19 +00:00
florian
bbf7300a0c * Florian's culmutative nr. 1; contains: 
- invalid calling conventions for a certain cpu are rejected
    - arm softfloat calling conventions
    - -Sp for cpu dependend code generation
    - several arm fixes
    - remaining code for value open array paras on heap
 2003-11-07 15:58:32 +00:00
daniel
42c320cb29 * cs_regalloc renamed to cs_regvars to avoid confusion with register 
allocator
  * Some preventive changes to i386 spillinh code
 2003-08-09 18:56:54 +00:00