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fpc/rtl/i386
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Károly Balogh 88b58c3580 i386: added signed 64bit div/mod helpers in assembly. we have some 64bit heavy code where a direct helper results in about 8-10% of performance advantage compared to going through the generic wrapper + the unsigned function 
git-svn-id: trunk@28261 -
2014-07-24 21:06:23 +00:00
..
cpu.pp + functions for FMA and AVX2 detection 2014-03-20 15:47:51 +00:00
fastmove.inc * Added CLDs in the RTL i386 inline asm routines, wrapped in {$ifdef 2013-09-29 10:53:49 +00:00
i386.inc * i386 and x86_64 changes for Delphi compatibility: 2014-04-25 15:10:12 +00:00
int64p.inc i386: added signed 64bit div/mod helpers in assembly. we have some 64bit heavy code where a direct helper results in about 8-10% of performance advantage compared to going through the generic wrapper + the unsigned function 2014-07-24 21:06:23 +00:00
makefile.cpu
math.inc * sqr(real) and sqrt(real): remove typeconv node inserted by initial call processing (see explanation in comments), allowing these functions to be evaluated using precision of argument. In particular, sqrt(single) and sqrt(double) now emit 'sqrtss' and 'sqrtsd' instructions on x86 targets with -Cfsse3. Non-x86 targets already have the necessary support in code generators. 2014-05-21 14:53:47 +00:00
mathu.inc * i386 and x86_64 changes for Delphi compatibility: 2014-04-25 15:10:12 +00:00
mmx.pp + is_sse3_cpu, put into cpu unit, so x86-64 and i386 can share source code 2011-08-20 12:01:48 +00:00
readme
set.inc * Added CLDs in the RTL i386 inline asm routines, wrapped in {$ifdef 2013-09-29 10:53:49 +00:00
setjump.inc * i386-win32 setjmp and longjmp: if SEH support is enabled, save/restore head of exception registration chain. Without this, a longjmp out of a function with exception frame(s) will leave these exception frames below ESP, which will fail integrity checks in OS and cause process termination if an exception occurs later on (or they may be overwritten by subsequent operations on stack and, again, cause undesired results). 2013-12-16 10:12:36 +00:00
setjumph.inc * i386-win32 setjmp and longjmp: if SEH support is enabled, save/restore head of exception registration chain. Without this, a longjmp out of a function with exception frame(s) will leave these exception frames below ESP, which will fail integrity checks in OS and cause process termination if an exception occurs later on (or they may be overwritten by subsequent operations on stack and, again, cause undesired results). 2013-12-16 10:12:36 +00:00
strings.inc * put the cld instructions behind {$ifdef FPC_ENABLED_CLD} in i386/strings*.inc 2013-09-28 12:06:47 +00:00
stringss.inc * put the cld instructions behind {$ifdef FPC_ENABLED_CLD} in i386/strings*.inc 2013-09-28 12:06:47 +00:00

readme 

This directory contains only RTL parts specific to the processor I386 family.

(They are specific because they contain assembler instructions)

Include files for system are :
  heap.inc (heap handling)
  set.inc  (sets operations)
  math.inc (mathematic operations using the coprocessor)
  i386.inc (several functions/procedures containing assembler parts)
  setjump.inc (setjmp/longjmp implementation for exceptions)
  rttip.inc (rtti handling, for speed reasons)
  
Units are :
  strings.pp (written in assembler for speed)
  cpu.pp     (routines to access cpu info)
  mmx.pp     (special mmx routines)