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b18ba8e85b
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1042 Commits

Author SHA1 Message Date
Jonas Maebe
b18ba8e85b * syncrhonised with trunk up till r28471 
git-svn-id: branches/hlcgllvm@28495 -
 2014-08-19 20:23:11 +00:00
Jonas Maebe
b745dcc64c * moved g_external_wrapper() to the hlcg, and also g_intf_wrapper() because 
for some platforms it depends on that routine

git-svn-id: branches/hlcgllvm@28492 -
 2014-08-19 20:22:54 +00:00
Károly Balogh
74581a07af AROS: assembler fixes 
git-svn-id: trunk@28439 -
 2014-08-18 11:25:55 +00:00
Jonas Maebe
5c75b6dd6b * synchronised with trunk up till r28402 
git-svn-id: branches/hlcgllvm@28403 -
 2014-08-13 16:04:30 +00:00
florian
499dd078e3 + automatically insert fma inlines into floating point code if possible and fastmath is activated 
git-svn-id: trunk@28382 -
 2014-08-11 20:50:21 +00:00
nickysn
94bcb9878a * reimplemented r28329 in a different way, as suggested by Jonas 
git-svn-id: trunk@28332 -
 2014-08-07 19:36:52 +00:00
nickysn
dfcbe03572 + added x86-specific function getx86pointerdef, similar to getpointerdef, but 
allows creating the x86 special pointer types as well

git-svn-id: trunk@28329 -
 2014-08-07 08:50:01 +00:00
Jonas Maebe
7949bebb8d * synchronised with r28168 of trunk 
git-svn-id: branches/hlcgllvm@28169 -
 2014-07-05 21:30:28 +00:00
Jonas Maebe
b0ff41406a * grouped all tai_real* types into a single tai_realconst type, 
to free up space for more ait_* types in taitype (can't have
    more than 32 because they have to fit in a small set)
   o factored out writing of floating point numbers as an array of
     byte in the external assemblers

git-svn-id: branches/hlcgllvm@28105 -
 2014-07-01 16:29:58 +00:00
nickysn
9b560ffd64 * x86 intel syntax inline asm: allow a segment override (segcs,segds,seges,etc.) 
to be followed by an instruction on the same line as the override

git-svn-id: trunk@28066 -
 2014-06-25 21:06:19 +00:00
nickysn
36d6fb7868 * don't add the stack segment declaration at the beginning of each object file 
in the i8086 far data memory models as well

git-svn-id: trunk@28022 -
 2014-06-21 10:41:57 +00:00
nickysn
ef88fec688 * nested ifdefs in TX86NasmAssembler.WriteHeader replaced with an 'if defined()' 
sequence

git-svn-id: trunk@28019 -
 2014-06-21 08:28:15 +00:00
nickysn
40b2d3d562 * don't add the heap segment declaration at the beginning of each object file in 
the i8086 far data memory models

git-svn-id: trunk@28018 -
 2014-06-21 08:15:18 +00:00
nickysn
7cfd7a66cd + create a special 'heap' segment with reserved space equal to heapsize (i.e. 
the value set by -Ch or the second parameter to the $M directive). This is
  equivalent to the heapmin value in Turbo Pascal 7 and ensures that the program
  has at least this amount of heap space available (otherwise DOS will show a
  'not enough memory' error and will refuse to load the program).

git-svn-id: trunk@28002 -
 2014-06-19 14:14:01 +00:00
nickysn
22a7dfa231 * stack segment moved outside of dgroup in the i8086 far data memory models, so 
it no longer eats from the precious 64kb limit for static data

git-svn-id: trunk@27959 -
 2014-06-14 19:34:36 +00:00
nickysn
2dc8839af5 * set class=data to all data segments/sections on i8086 
git-svn-id: trunk@27957 -
 2014-06-14 16:01:22 +00:00
sergei
05ecd3cec1 * One more fix of operand size, likely harmless because shift amount is taken modulo bit-width anyway. 
git-svn-id: trunk@27955 -
 2014-06-14 13:31:48 +00:00
sergei
be6d6d90d7 + Division-by-constant optimization for x86_64 (merged i386 code adapted for different operand sizes, so the result should be suitable for i386 as well). 
git-svn-id: trunk@27945 -
 2014-06-13 12:32:45 +00:00
sergei
e7cd5319f0 * Put under {$ifndef x86_64} more cases of instructions that do not exist in 64-bit mode. 
git-svn-id: trunk@27933 -
 2014-06-11 12:51:38 +00:00
sergei
c28271ab99 * NASM writer: don't force 'near' size for all non-far branches and calls, it disables NASM's capability to optimize branches into short form where possible, and thus only increases size of generated code. 
- LDS and LES instructions do not exist on x86_64.

git-svn-id: trunk@27932 -
 2014-06-11 12:32:21 +00:00
sergei
b594eee70b * Moved x86_64 mod/div code to x86, with minimal changes to ensure it compiles on i386/i8086. Merging optimized division-by-const code from i386 is pending... 
git-svn-id: trunk@27930 -
 2014-06-11 01:42:46 +00:00
nickysn
73d7f2aa18 * let the compiler generate the stack segment in i8086 near data memory models 
as well. Even though, in these models, the stack is dynamically allocated
  (because it goes on top of the heap, but the heap is variable size), there are
  still benefits:
  1) the program will run on a larger stack during initialization, before the
     actual stack (and heap) are ready
  2) in cases, when the system is extremely low on memory, DOS will reject to
     load the program if there's not enough memory for the stack the program
     requires. This way the startup code can be further simplified by omitting
     the 'not enough memory' check in the future (when we add the minimum heap
     size to the executable reserved space as well).

git-svn-id: trunk@27903 -
 2014-06-08 21:14:57 +00:00
sergei
ae627a4ba8 * tcgx86.a_op_const_reg_reg: optimize trivial cases before considering more complex ones. 
git-svn-id: trunk@27892 -
 2014-06-08 00:08:56 +00:00
nickysn
daf71e6d88 * fixed multiplication by 64-bit constants on x86_64, mantis #26230 
git-svn-id: trunk@27822 -
 2014-05-28 22:52:08 +00:00
nickysn
3cc8ff11e3 + generate the stack segment for i8086 far data memory models from within fpc 
itself (instead of having a fixed 16k stack in the startup code). This allows
  setting the stack size in these models with the -Cs option.

git-svn-id: trunk@27820 -
 2014-05-27 23:29:50 +00:00
sergei
1c7a5d5adc * x86: fix spilling of sqrtss and sqrtsd instructions, they cannot have memory as destination. 
git-svn-id: trunk@27810 -
 2014-05-22 07:19:13 +00:00
Jonas Maebe
bacd303208 * synchronized with trunk up to r27758 
git-svn-id: branches/hlcgllvm@27779 -
 2014-05-12 16:12:34 +00:00
michael
36c662f69f * Extention -> extension (By Reinier, bug ID #25979) 
git-svn-id: trunk@27750 -
 2014-05-10 15:29:29 +00:00
florian
8207e0ef22 + make use of vfnmsub*/vfmsub*/vfnmadd* instructions if possible 
git-svn-id: trunk@27721 -
 2014-05-02 21:07:46 +00:00
nickysn
6e7dd647fd * Tcgx86.g_concatcopy: optimization for the case where source.segment is 
specified, but equal to DS in the current memory model

git-svn-id: trunk@27720 -
 2014-05-02 13:07:54 +00:00
nickysn
c9f8703679 + set ref.segment to NR_SS for all temps/localvars on i8086. This allows the 
segment to survive e.g. several nested vecnodes, which cause the base register
  to change from BP to something else. In the cases where the ss: prefix is not
  needed, it is removed by make_simple_ref.
+ remove the ss: prefix in the several cases where make_simple_ref isn't called
  (namely spilling and tcg8086.a_call_reg_far)

git-svn-id: trunk@27714 -
 2014-05-01 21:18:47 +00:00
nickysn
1eb24f9d98 + remove the segment prefix in make_simple_ref on i8086, in case it is the same 
as the default segment for the reference (SS for BP-relative, DS for all
  others)

git-svn-id: trunk@27687 -
 2014-04-29 23:11:10 +00:00
florian
33602db802 * try to registers more cleverly during fma code generation 
git-svn-id: trunk@27671 -
 2014-04-26 18:11:13 +00:00
nickysn
efb3cfcbc7 - don't write the default unit code section in the beginning of each asm file, 
when using {$hugecode on}, to avoid bogus nasm warnings

git-svn-id: trunk@27623 -
 2014-04-21 01:02:21 +00:00
sergei
2ee0c8de45 * i386: For integer comparisons with zero, emit "test $-1,%reg" instead of "test %reg,%reg". It is more spilling-friendly, because it transforms into "test $-1,spilltemp" and does not require a register. 
* Improved peephole optimizer to remove these instructions if preceded by flag-setting instruction that operates on same location and followed by conditional jump, and change them back into "test %reg,%reg" otherwise.

git-svn-id: trunk@27617 -
 2014-04-20 19:16:58 +00:00
nickysn
597f110eb9 + added support for units with code larger than 64kb in the far code i8086 
memory models. Enabled by the new directive {$hugecode on}. The directive is
  ignored in the near code memory models. When enabled, it forces each procedure
  to be in a separate segment and disables mixing near and far procedures (so
  'near' and {$F-} are ignored in this mode). Note that {$hugecode on} does not
  count as a different memory model, because you can freely link modules (units)
  compiled with {$hugecode on} and {$hugecode off}.

git-svn-id: trunk@27615 -
 2014-04-20 19:03:14 +00:00
sergei
07e90aaa24 + Implemented IEEE 754-compliant checking for unordered results of floating-point compares on x86 targets. Mantis #9362. 
git-svn-id: trunk@27581 -
 2014-04-14 12:36:11 +00:00
florian
18233f2c0c * fix compilation of i8086 compiler 
git-svn-id: trunk@27566 -
 2014-04-13 19:28:59 +00:00
florian
6fd98d604a * compilation fixed 
git-svn-id: trunk@27565 -
 2014-04-13 19:21:57 +00:00
florian
d88d644925 + support for FMA intrinsic: if there is no hardware support, the compiler throws an error. 
Currently it is implemented only for x86-CPUs supporting the FMA extension. While it would
  be possible to implement it in software or simulate fma(<single>,<single>,<single>) using
  double operations, it makes no sense in my opinion to do so.

git-svn-id: trunk@27564 -
 2014-04-13 19:21:54 +00:00
sergei
3e20a136f3 * tx86addnode.second_addfloat: use single and double-precision memory locations without loading them on FPU stack if possible. 
git-svn-id: trunk@27558 -
 2014-04-13 12:37:30 +00:00
nickysn
fc71081b74 * i8086 and i386-specific code from tabstractprocdef.is_pushleftright moved to 
symi86

git-svn-id: trunk@27549 -
 2014-04-12 15:34:08 +00:00
nickysn
afcb8c3f10 * initialize DS from CS in the interrupt procedure entry code in tiny model, 
because dgroup emits relocations, which results in a linker warning and broken
  code when the target format is .com file.

git-svn-id: trunk@27517 -
 2014-04-10 20:02:35 +00:00
pierre
816dfa69c1 Avoid new line after lock prefix for nasm 
git-svn-id: trunk@27511 -
 2014-04-10 14:56:30 +00:00
pierre
e0744b9759 Fix section output for user section in smart mode 
git-svn-id: trunk@27510 -
 2014-04-10 14:18:48 +00:00
nickysn
198960b17c * preserve the segment of the reference in tx86vecnode.update_reference_reg_mul 
on i386 and x86_64 as well

git-svn-id: trunk@27481 -
 2014-04-05 14:46:35 +00:00
nickysn
7a873f495d * use the stack segment for SP-relative addresses in Tcgx86.g_concatcopy in 
the memory models with SS<>DS (necessary, because make_simple_ref isn't called
  in the copy_string case)

git-svn-id: trunk@27479 -
 2014-04-05 12:02:04 +00:00
sergei
5c48804240 * Moved local label infrastructure into tasmreader, reduces number of global vars. Functionality is not changed. 
git-svn-id: trunk@27477 -
 2014-04-05 09:43:13 +00:00
nickysn
ee20ecfcf2 * tcgx86.make_simple_ref: in i8086 memory models with DS<>SS, add an SS: segment 
override when converting SP-relative references to use a general purpose
  register

git-svn-id: trunk@27473 -
 2014-04-05 08:56:40 +00:00
nickysn
b36a98ce51 + Tcgx86.g_concatcopy: added support for memory models with DS<>SS 
git-svn-id: trunk@27461 -
 2014-04-04 01:13:02 +00:00