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631 Commits

Author SHA1 Message Date
Károly Balogh
98d4c426cb m68k: some groundwork for an improved optimizer, now tries to optimize away MOVE/FMOVE based unnecessary register shuffling around ops when possible (with room for further improvements) 
git-svn-id: trunk@34979 -
 2016-11-27 11:23:11 +00:00
Jonas Maebe
74a49b5f91 * restructured the the TExternalAssembler constructors so that the 
hack for the Jasmin descendent is no longer needed

git-svn-id: trunk@34852 -
 2016-11-09 19:51:20 +00:00
Károly Balogh
4ee4099fca m68k: introduce a register calling convention, inspired by VBCC. volatile registers are used to pass arguments 
git-svn-id: trunk@34821 -
 2016-11-06 18:00:29 +00:00
pierre
89c1b68b14 * Delete regvars unit. 
This unit was empty unless OLDREGVARS macro was set,
    but this does not compile and no change has been made since 2011.

  * Remove regvars from all _USES clauses.

git-svn-id: trunk@34808 -
 2016-11-06 14:01:39 +00:00
Károly Balogh
37f43d3604 m68k: cleanup of the BuildRefExpression method in the assembler reader 
git-svn-id: trunk@34784 -
 2016-11-05 19:58:06 +00:00
Károly Balogh
64650261d1 m68k: refactor of the reglist and the regpair support in the assembler reader. also added support for float register lists for FMOVEM 
git-svn-id: trunk@34783 -
 2016-11-05 18:53:20 +00:00
Károly Balogh
5237a4d5e2 m68k: support register pair operands in assembler reader and writer, as used by some instructions (mainly DIVS/DIVU and friends) so we don't have to hack them as three operand instructions 
git-svn-id: trunk@34782 -
 2016-11-05 17:07:18 +00:00
Károly Balogh
57e6cef18b m68k: enabled the mul to shift+sub/add optimizations for 68000 
git-svn-id: trunk@34762 -
 2016-10-23 23:46:32 +00:00
Károly Balogh
4620d9b22c m68k: when loading from a reference with zero extend, clear the register first, then load, instead of clearing with AND later, because this is faster on slow 68ks and also shorter 
git-svn-id: trunk@34761 -
 2016-10-23 23:16:03 +00:00
Károly Balogh
41776e9608 m68k: on a '000, optimize CLR.L Dx to MOVEQ #0,Dx which is slightly faster 
git-svn-id: trunk@34760 -
 2016-10-23 23:10:39 +00:00
Károly Balogh
660432685a m68k: review and some cleanup of the shlshrnode, also add a special case for shifting 64bit values by 1 
git-svn-id: trunk@34757 -
 2016-10-23 16:46:34 +00:00
Károly Balogh
51cb5aefbe m68k: use target_info.stackalign to align the stack instead of expecting a hardwired longword alignment. this is required for atari, and beneficial on all '000 targets 
git-svn-id: trunk@34666 -
 2016-10-08 14:01:32 +00:00
Károly Balogh
003487baab m68k: code generation for atari syscalls 
git-svn-id: trunk@34611 -
 2016-10-03 23:39:36 +00:00
Károly Balogh
def4df9791 m68k: fixed a bug, where during during unaligned stores, the base address was preinitalized to a temp address register from the wrong reference, causing havoc 
git-svn-id: trunk@34584 -
 2016-10-01 14:43:47 +00:00
Károly Balogh
ed13f4d0d1 m68k: add a function to optimize const MUL cases to sequences of shifts + ADD/SUB. mainly for '000 and other low end 68ks with slow/limited MUL capabilities. inactive for now, as it wasn't that extensively tested 
git-svn-id: trunk@34560 -
 2016-09-25 19:46:00 +00:00
Jonas Maebe
aa1be3276f - removed default value of _typ parameter of TAsmData.(Weak)RefAsmSymbol(): 
it was AT_NONE, which is invalid and should never be used
  * explicitly pass the correct value for all calls to those methods elsewhere
    in the compiler

git-svn-id: trunk@34250 -
 2016-08-05 07:09:16 +00:00
Jonas Maebe
a0efde8167 * automatically generate necessary indirect symbols when a new assembler 
symbol is defined
   o removed all places where AB_INDIRECT symbols were explicitly generated
   o only generate AB_INDIRECT symbols for AT_DATA on systems_indirect_var_imports
   o for some symbols an indirect symbol is always required (because they are
     dereferenced by code in RTL units) -> use new AT_DATA_FORCEINDIRECT type

git-svn-id: trunk@34165 -
 2016-07-20 20:53:03 +00:00
Jonas Maebe
1cb8c0d00c * specify the def of assembler level symbols defined via 
tasmdata.DefineAsmSymbol() and all routines that call it
   o will be used to automatically generate AB_INDIRECT sybols when
     necessary

git-svn-id: trunk@34164 -
 2016-07-20 20:52:59 +00:00
Károly Balogh
2eeb078f3e m68k: removed obsolete and wrong comment. the '881 extended type is actually 12 bytes during load/store, not 10, which means longword alignment is fine. no functional changes. 
git-svn-id: trunk@33910 -
 2016-06-05 07:11:23 +00:00
Károly Balogh
77318be022 m68k: fix build errors with some assemblers on modulo calculation on 020+ 
git-svn-id: trunk@33867 -
 2016-06-01 10:50:22 +00:00
Károly Balogh
a561ffe836 m68k: fixed initial offset adjustment for the unaligned store 
git-svn-id: trunk@33860 -
 2016-05-31 00:47:57 +00:00
Károly Balogh
b4fd85f19c m68k: unaligned handling for math and typeconv nodes 
git-svn-id: trunk@33854 -
 2016-05-29 18:48:24 +00:00
Károly Balogh
2d6736e40e m68k: fixed unaligned stores' predecrement addressing. also removed an unnecessary sign-extension of the tmpreg for 16bit stores 
git-svn-id: trunk@33853 -
 2016-05-29 18:25:33 +00:00
Károly Balogh
a8ad51e96f m68k: unaligned access support in add nodes 
git-svn-id: trunk@33852 -
 2016-05-29 18:12:36 +00:00
Károly Balogh
a756609a27 m68k: added a simple VASM writer frontend for the GNU AS writer (as VASM has a compatiblity mode) 
git-svn-id: trunk@33847 -
 2016-05-29 15:52:43 +00:00
Károly Balogh
c509036c11 m68k: added REMS/REMU to the special formatting requirements list in the assembler writer 
git-svn-id: trunk@33840 -
 2016-05-28 15:30:48 +00:00
Károly Balogh
a2a630e9c5 m68k: fixed and enabled hardware mod/div support for coldfire, also it no longer depends on cpu family but cpu capability 
git-svn-id: trunk@33821 -
 2016-05-26 16:54:39 +00:00
Károly Balogh
931c14f0cf m68k: in second_int_to_bool, don't call TST after OR, since OR sets the flags as required already 
git-svn-id: trunk@33819 -
 2016-05-26 14:48:56 +00:00
Károly Balogh
766eeffc69 m68k: build fix. (changes before commit is a bad idea...) 
git-svn-id: trunk@33817 -
 2016-05-26 14:47:16 +00:00
Károly Balogh
2bfa1b995a m68k: added division/remainder cpu capabilities 
git-svn-id: trunk@33816 -
 2016-05-26 14:41:00 +00:00
Károly Balogh
6706445cb4 m68k: enable hardware divisions for all '020+, not only 020 itself 
git-svn-id: trunk@33810 -
 2016-05-26 10:38:08 +00:00
Károly Balogh
aa63aa95bb m68k: a bunch of '000 related fixes and cleanups. generated source now compiles for '000 again, which was broken due to recent improvements conflicting with limitations of the original '000 
git-svn-id: trunk@33809 -
 2016-05-26 10:33:29 +00:00
Károly Balogh
62e0eab89b m68k: also handle large register save/restore offsets on 68000 
git-svn-id: trunk@33808 -
 2016-05-26 00:04:55 +00:00
Károly Balogh
0dd5beb064 m68k: more unaligned access support in the base cg, also enabled the code 
git-svn-id: trunk@33807 -
 2016-05-26 00:03:25 +00:00
Károly Balogh
b6d845e732 m68k: needs_unaligned helper. returns true when the given reference with the given size needs to be loaded with unaligned support on the given cpu 
git-svn-id: trunk@33806 -
 2016-05-25 23:56:24 +00:00
Károly Balogh
7fbae10515 m68k: added more cpu capabilities (unaligned access, long addressing, various MULx), and the 68060 cpu target 
git-svn-id: trunk@33804 -
 2016-05-25 22:14:58 +00:00
Károly Balogh
5acd04d284 m68k: some experimental code for the unaligned access support on plain 68000. work in progress, inactive code for now 
git-svn-id: trunk@33744 -
 2016-05-22 00:32:41 +00:00
Károly Balogh
a6ee4a2ded m68k: cleaned up second_addordinal and included OP_SUB in the common codepath 
git-svn-id: trunk@33743 -
 2016-05-21 18:43:26 +00:00
Károly Balogh
47621f81cd m68k: implemented second_addordinal; for the most trivial cases. this allows the right node to be a reference. falls back to the generic implementation for nontrivial cases. 
git-svn-id: trunk@33741 -
 2016-05-21 16:46:12 +00:00
Károly Balogh
786aecabeb m68k: improved a_op_reg_ref, to support more operations. implemented a_op_ref_reg 
git-svn-id: trunk@33739 -
 2016-05-21 16:41:13 +00:00
Károly Balogh
25c34aedc2 m68k: implemented tcpucasenode.genlinearlist. 68k doesn't need cmp after sub, as sub sets the flags as expected. results in simpler, faster and more compact code 
git-svn-id: trunk@33709 -
 2016-05-19 21:33:45 +00:00
Károly Balogh
424f329173 m68k: use inlined realconsts also during normal float calculations on '881/040/060. also optimize them where possible 
git-svn-id: trunk@33671 -
 2016-05-10 18:19:41 +00:00
Károly Balogh
2dbfca4e8e m68k: optimize a few cases of comparisons against inlined realconsts 
git-svn-id: trunk@33669 -
 2016-05-10 15:39:08 +00:00
Károly Balogh
7710300c22 m68k: utilize FTST for comparing against float zero. also utilize FCMP realconst,fpreg on '881 for other realconst values 
git-svn-id: trunk@33668 -
 2016-05-10 15:38:13 +00:00
Károly Balogh
e7838dad39 m68k: initial asm-level infrastructure to let the codegenerator output float consts as operands, which is supported on 88x/040/060 
git-svn-id: trunk@33667 -
 2016-05-10 13:47:46 +00:00
Károly Balogh
3e2319ff3a m68k: do not allocate/free the regset dynamically having it as a normal field is perfectly fine 
git-svn-id: trunk@33665 -
 2016-05-10 13:03:17 +00:00
Károly Balogh
3b4822d320 m68k: utilize MVS and MVZ instructions to load values from references with zero/sign extend when they're available 
git-svn-id: trunk@33656 -
 2016-05-05 23:55:50 +00:00
Károly Balogh
bd17976cf1 m68k: added Coldfire CPU capability MVS/MVZ instructions. also fixed CFv4e capabilities 
git-svn-id: trunk@33655 -
 2016-05-05 23:54:37 +00:00
Károly Balogh
2e9ed396b4 m68k: convert non-int paraloc sizes to int in a_load_ref_cgpara, fixes build breaks with softfpu since r33651 
git-svn-id: trunk@33653 -
 2016-05-05 02:33:54 +00:00
Károly Balogh
1e6e5a1874 m68k: implemented a_load64_reg_ref and a_load64_ref_reg. avoids duplicated reference simplifications in the generated code during 64bit load/store 
git-svn-id: trunk@33652 -
 2016-05-05 00:58:21 +00:00
Károly Balogh
2b250a1b0a m68k: use a_load_ref_ref in a_load_ref_cgpara instead of a custom loading code which does the same. causes no changes in generated code 
git-svn-id: trunk@33651 -
 2016-05-05 00:55:52 +00:00
Károly Balogh
88e14dc456 m68k: only extend the dest reg to tosize during reg-reg moves. this removes a large amount of unnecessary sign and zero extensions from the generated code. this was attempted before, but thanks to other fixes it no longer causes testsuite regressions 
git-svn-id: trunk@33648 -
 2016-05-04 09:52:27 +00:00
Károly Balogh
524659b341 m68k: if we have a symbol in the location reference, that will be base, so try to insert an index register instead, reduces the amount of data->address register shuffling in the generated code 
git-svn-id: trunk@33647 -
 2016-05-03 23:55:27 +00:00
Károly Balogh
50a40062e2 m68k: fixed the build after r33614 
git-svn-id: trunk@33617 -
 2016-05-02 15:01:47 +00:00
Károly Balogh
92b2cf917d m68k: when saving/restoring FPU registers, use the right FPU register size on ColdFire to calculate the stored size 
git-svn-id: trunk@33614 -
 2016-05-02 14:18:30 +00:00
Károly Balogh
aa8b45904e m68k: use the existing g_call infrastructur to handle the register allocation in the helpers 
git-svn-id: trunk@33589 -
 2016-05-01 10:42:52 +00:00
Károly Balogh
0b7464e4cd m68k: fix large const loading to address registers 
git-svn-id: trunk@33588 -
 2016-05-01 10:41:40 +00:00
Károly Balogh
f48747adf5 m68k: reworked cg.g_concatcopy. generates shorter and faster code in most cases now. 
git-svn-id: trunk@33575 -
 2016-04-30 00:15:34 +00:00
Károly Balogh
2f23b5f0fd m68k: output some GAS specific pseudo instructions in the GNU as writer, so the assembler can do branch size optimization for us 
git-svn-id: trunk@33559 -
 2016-04-26 01:34:26 +00:00
Károly Balogh
4287f81b92 m68k: support and use float TResFlags in the rest of the CG. ColdFire FPU now works, and FSxx is no longer generated which is software supported on '060, and doesn't exist on CF. if we still want to support it later, we can add it to cg.g_flags2reg 
git-svn-id: trunk@33558 -
 2016-04-25 23:40:44 +00:00
Károly Balogh
23106882ac m68k: extended TResFlags with float resflags 
git-svn-id: trunk@33557 -
 2016-04-25 23:30:56 +00:00
Károly Balogh
9d2dad2463 m68k: added cpu type cfv4e, which is the only ColdFire with FPU, and GNU AS needs this to actually allow CF FPU code 
git-svn-id: trunk@33556 -
 2016-04-25 22:04:05 +00:00
Károly Balogh
bd564b8933 m68k: some code to support the ColdFire v4e FPU. not functional yet. 
git-svn-id: trunk@33533 -
 2016-04-18 03:25:32 +00:00
Károly Balogh
2e64db935a m68k: BSET and BCLR's dest operand is actually readwrite, not write only. fixes sets with regvars, when the regvar is spilled 
git-svn-id: trunk@33476 -
 2016-04-10 18:56:51 +00:00
Károly Balogh
4e964c2ed7 m68k: rewrote fixref and a_load_ref_ref, fixing a bunch of problems on ColdFire, unifying and simplifying the code a lot, and hopefully not killing anything in the process 
git-svn-id: trunk@33446 -
 2016-04-08 03:27:19 +00:00
Károly Balogh
96fe4313dd m68k: fixed spilling code interfering with some ADDQ/SUBQ/MOV3Q instructions, fixes paszlib failing since r32830 
git-svn-id: trunk@33445 -
 2016-04-08 03:21:09 +00:00
sergei
36043d13ae - Removed remains of tai_labeled_instruction, already commented out probably in 1.0 times. 
git-svn-id: trunk@33074 -
 2016-02-09 02:25:27 +00:00
Károly Balogh
b799ca40f8 m68k: various cleanups and improvements in the GAS assembler writer: pass operands to the helpers by reference, removed a few extra shortstring copies, cleanups 
git-svn-id: trunk@32849 -
 2016-01-05 04:12:00 +00:00
Károly Balogh
288fa53694 m68k: is_calljmp cleanup 
git-svn-id: trunk@32848 -
 2016-01-05 04:07:00 +00:00
Károly Balogh
2b3bd71735 m68k: include CMPI in the CMP to TST optimization 
git-svn-id: trunk@32842 -
 2016-01-04 01:14:34 +00:00
Károly Balogh
1e0763e251 m68k: use a_load_const_ref in a_load_const_cgpara to utilize the recently added optimized small const loading here too. this change alone shaves off ~80KB from the compiled FP IDE size... 
git-svn-id: trunk@32841 -
 2016-01-03 23:48:06 +00:00
Károly Balogh
185ee93312 m68k: if we're loading small (8 bit signed) values into long references, move them through a register (usually with MOVEQ). this is two bytes shorter and also faster on most 68k CPUs 
git-svn-id: trunk@32837 -
 2016-01-03 18:32:27 +00:00
sergei
f69f6336e9 * Replaced hacks with resetting 'c' to zero and decreasing inputpointer by boolean parameter to skipcomment and skipoldtpcomment. This parameter specifies whether first character of comment should be read. 
- in_asm_string also rendered useless by r32828, removed.

git-svn-id: trunk@32836 -
 2016-01-03 17:07:15 +00:00
Károly Balogh
ff7a0c5235 m68k: while updating reference, don't reallocate and copy the index to another register if we can apply scaling for it and we don't need to multiply, so the maybe_const_reg doesn't change. this improves generated code when a const reg (eg: a loop counter) is used as array index 
git-svn-id: trunk@32830 -
 2016-01-02 16:05:41 +00:00
Károly Balogh
92e7c0b03f m68k: assembler reader changes 
* don't reimplement BuildStringConst, use the inherited one
* findopcode's string argument is now const, simplified the function and removed some dead code
* removed an intentional null ptr write in an error path, which was debug code and left in accidentally

git-svn-id: trunk@32829 -
 2016-01-02 15:51:42 +00:00
sergei
bbfbab7e0c * Moved handling of comments and line breaks in assembler blocks from scanner to tokenizer level. Handling them at character level was causing compiler to accept comments in the middle of any assembler token, which should never happen. It was also causing Mantis #27459: a newline immediately after closing 'end' token was first handled in asmgetchar and then by normal parser, causing all subsequent line numbering to be off by one. 
git-svn-id: trunk@32828 -
 2016-01-02 06:17:14 +00:00
sergei
b1ee3dd5e5 * m68k assembler reader: call tscannerfile.illegal_char instead of reimplementing it. 
git-svn-id: trunk@32819 -
 2016-01-01 10:49:38 +00:00
Károly Balogh
aa424fc81f m68k: use R_SUBNONE instead of R_SUBWHOLE for FPU regs, indentation fixes of some old code and various cleanups 
git-svn-id: trunk@32659 -
 2015-12-13 19:24:44 +00:00
Károly Balogh
c82328e3fd m68k: implemented tcg68k.check_register_size for future use. use R_SUBNONE for FPU registers, because R_SUBWHOLE will change. use isregoverlap in a_load_reg_reg 
git-svn-id: trunk@32658 -
 2015-12-13 19:18:39 +00:00
Károly Balogh
001dfecdf5 m68k: use isregoverlap in is_same_reg_move, to determine if we're doing a no-op move 
git-svn-id: trunk@32657 -
 2015-12-13 18:14:21 +00:00
Károly Balogh
c47c6c0270 m68k: use std_regnum_search instead of prefixing the regname with % and calling gas_regnum_search 
git-svn-id: trunk@32656 -
 2015-12-13 18:04:30 +00:00
Károly Balogh
9c12615f09 m68k: new isregoverlap function, which returns true if the two registers overlap (same type and subreg). use the new r68kbss.inc for regnumber_count_bsstart. other minor tweaks. 
git-svn-id: trunk@32655 -
 2015-12-13 17:48:47 +00:00
Károly Balogh
2934424c43 m68k: updated/added some reg includes as generated by the new tool 
git-svn-id: trunk@32654 -
 2015-12-13 17:32:00 +00:00
Károly Balogh
9133964676 m68k: new 68k register data file format, which eases future subregister support 
git-svn-id: trunk@32653 -
 2015-12-13 17:29:47 +00:00
Károly Balogh
3c0dca44d3 m68k: fixed a copypaste fail in tcg68k.g_restore_registers, which affected FPU register restoring 
git-svn-id: trunk@32651 -
 2015-12-13 13:15:51 +00:00
Jonas Maebe
fa3b0ca312 * support marking defs created via the getreusable*() class methods as 
"don't free even if not registered"; use for defs that may not be written
    to a ppu file, but that must nevertheless survive the compilation of the
    current module
  * mark all defs created for para locations as "don't free even if not
    registered", because we don't discard and recalculate all para locations
    after a module has been compiled (since that's not needed)
   o solves issues if the paralocations for a routine in the interface of
     unit A are calculated while the implementation of unit B gets
     compiled, and a new reusable type is allocated at that point which
     is not used anywhere else (after r32160)

git-svn-id: trunk@32235 -
 2015-11-04 20:46:18 +00:00
Jonas Maebe
991e1f49bd * store a pointer to the used tasminfo record in every assembler writer, so 
that we can use assembler writers with different conventions from the
    currently set target_asm (e.g. an x86 assembler writer for inline assembly
    in LLVM IR)

git-svn-id: trunk@31628 -
 2015-09-12 23:32:13 +00:00
Jonas Maebe
b3d0197f98 * factored out the output file handling (mostly writing data) from the 
external assembler writer, so we can reuse the archtecture-specific
    writers to write inline assembly in LLVM IR files

git-svn-id: trunk@31625 -
 2015-09-12 23:32:01 +00:00
Jeppe Johansen
3cb9be73bc Moved tcontrollerdatatype out into cpuinfo. 
Added cputype and fputype info to tcontrollerdatatype arrays.

git-svn-id: trunk@31574 -
 2015-09-07 20:36:54 +00:00
Jonas Maebe
0fc1fd6ac1 * replaced current_procinfo.currtrue/falselabel with storing the true/false 
labels of LOC_JUMP in the node's location. This generates some extra jumps
    for short circuit boolean and/or-expressions if optimizations are off, but
    with optimisations enabled the generated code is the same (except for JVM
    because the jump threading optimisation isn't enabled there yet).

git-svn-id: trunk@31431 -
 2015-08-27 18:28:57 +00:00
Jonas Maebe
f402b0d7df * changed getpointerdef() into a tpointerdef.getreusable() class method 
o allows removing the ugly x86 hacks

git-svn-id: trunk@31144 -
 2015-06-22 08:17:49 +00:00
florian
b222d0b663 * correctly handle LOC_SUBSETREG,LOC_CSUBSETREG,LOC_SUBSETREF,LOC_CSUBSETREF in second_int_to_bool, resolves issue #28007 
git-svn-id: trunk@30765 -
 2015-05-02 13:52:50 +00:00
florian
7dd1d6aa77 o fixes handling of iso i/o parameters/program parameters: 
* explicit reset is needed
  * variable must be declared again

git-svn-id: trunk@30757 -
 2015-05-01 20:58:31 +00:00
Jonas Maebe
61e4a1b811 + added tasmlist parameter to getintparaloc() (needed for llvm) 
git-svn-id: trunk@30429 -
 2015-04-04 14:29:16 +00:00
Jonas Maebe
201121d7c9 * synchronised with trunk till r30345 
git-svn-id: branches/hlcgllvm@30349 -
 2015-03-28 12:28:15 +00:00
Károly Balogh
87deec105d m68k: implemented 68k specific a_bit_set_const_ref and a_bit_set_reg_ref, using BSET/BCLR 
git-svn-id: trunk@30278 -
 2015-03-22 17:44:59 +00:00
Károly Balogh
c49c8210a3 m68k: some initial HLCG, use BSET/BCLR instructions for simple bit manipulation 
git-svn-id: trunk@30275 -
 2015-03-22 14:01:14 +00:00
Károly Balogh
ad301f8fa1 m68k: implemented t68kvecnode.update_reference_reg_packed. same as the generic one, but allocates int registers instead of address registers, because on 68k IMUL,SHR/SHL and AND can't work on address registers, which results in a lot of register shuffling 
git-svn-id: trunk@30267 -
 2015-03-21 20:09:35 +00:00
Károly Balogh
258b42de26 m68k: added support for FSIN/FCOS. these are software supported on the 68040, so we should have a separate 68040/060 FPU option too, to avoid these in the future. 
git-svn-id: trunk@30257 -
 2015-03-17 22:52:53 +00:00
Károly Balogh
b617345e43 m68k: disabled premature MOVEA #0,Ax to SUBA Ax,Ax in the CG, because it breaks with spilling temp replacement and moved it to the optimizer, where it belongs. this fixes some code with potentially heavy address register pressure, like the IDE. 
git-svn-id: trunk@30245 -
 2015-03-16 02:04:58 +00:00