From e9c790f4eb24b78787bf8323bbdcad024f9451f5 Mon Sep 17 00:00:00 2001
From: nickysn <nickysn@gmail.com>
Date: Wed, 26 Aug 2015 15:57:44 +0000
Subject: [PATCH] + support 'SEG' in the i8086 inline assembler

git-svn-id: trunk@31428 -
---
 compiler/aasmtai.pas      |  16 ++
 compiler/msg/errore.msg   |   5 +-
 compiler/msgidx.inc       |   5 +-
 compiler/msgtxt.inc       | 519 +++++++++++++++++++-------------------
 compiler/rautils.pas      |   2 +-
 compiler/x86/aasmcpu.pas  |  14 +
 compiler/x86/rax86.pas    |   7 +-
 compiler/x86/rax86int.pas |  60 +++--
 8 files changed, 351 insertions(+), 277 deletions(-)

diff --git a/compiler/aasmtai.pas b/compiler/aasmtai.pas
index 9d5cf163e2..6b9608588b 100644
--- a/compiler/aasmtai.pas
+++ b/compiler/aasmtai.pas
@@ -141,6 +141,8 @@ interface
           aitconst_64bit_unaligned,
           { i8086 far pointer; emits: 'DW symbol, SEG symbol' }
           aitconst_farptr,
+          { i8086 segment of symbol; emits: 'DW SEG symbol' }
+          aitconst_seg,
           { offset of symbol's GOT slot in GOT }
           aitconst_got,
           { offset of symbol itself from GOT }
@@ -632,6 +634,9 @@ interface
           constructor Create_nil_dataptr;
           constructor Create_int_codeptr(_value: int64);
           constructor Create_int_dataptr(_value: int64);
+{$ifdef i8086}
+          constructor Create_seg_name(const name:string);
+{$endif i8086}
           constructor ppuload(t:taitype;ppufile:tcompilerppufile);override;
           procedure ppuwrite(ppufile:tcompilerppufile);override;
           procedure derefimpl;override;
@@ -1822,6 +1827,15 @@ implementation
       end;
 
 
+{$ifdef i8086}
+    constructor tai_const.Create_seg_name(const name:string);
+      begin
+        self.Createname(name,0);
+        self.consttype:=aitconst_seg;
+      end;
+{$endif i8086}
+
+
     constructor tai_const.ppuload(t:taitype;ppufile:tcompilerppufile);
       begin
         inherited ppuload(t,ppufile);
@@ -1886,6 +1900,8 @@ implementation
             result:=2;
           aitconst_farptr:
             result:=4;
+          aitconst_seg:
+            result:=2;
           aitconst_got:
             result:=sizeof(pint);
           aitconst_gotoff_symbol:
diff --git a/compiler/msg/errore.msg b/compiler/msg/errore.msg
index 392bfa282e..09de401d1c 100644
--- a/compiler/msg/errore.msg
+++ b/compiler/msg/errore.msg
@@ -2449,7 +2449,7 @@ cg_f_max_units_reached=06057_F_Maximum number of units ($1) reached for the curr
 #
 # Assembler reader
 #
-# 07125 is the last used one
+# 07126 is the last used one
 #
 asmr_d_start_reading=07000_DL_Starting $1 styled assembler parsing
 % This informs you that an assembler block is being parsed
@@ -2750,6 +2750,9 @@ asmr_e_invalid_ref_register=07125_E_Invalid register used in memory reference ex
 % FPU, vector and sometimes integer registers cannot be used in memory reference
 % expressions, due to limitations of the cpu architecture or simple because
 % it is not meaningful.
+asmr_e_seg_without_identifier=07126_E_SEG used without identifier
+% You can only use SEG with an identifier. Other syntaxes are not
+% supported
 
 #
 # Assembler/binary writers
diff --git a/compiler/msgidx.inc b/compiler/msgidx.inc
index 57b05123d0..c5476bc27f 100644
--- a/compiler/msgidx.inc
+++ b/compiler/msgidx.inc
@@ -795,6 +795,7 @@ const
   asmr_w_check_mem_operand_negative_offset=07123;
   asmr_w_check_mem_operand_automap_multiple_size=07124;
   asmr_e_invalid_ref_register=07125;
+  asmr_e_seg_without_identifier=07126;
   asmw_f_too_many_asm_files=08000;
   asmw_f_assembler_output_not_supported=08001;
   asmw_f_comp_not_supported=08002;
@@ -1016,9 +1017,9 @@ const
   option_info=11024;
   option_help_pages=11025;
 
-  MsgTxtSize = 75786;
+  MsgTxtSize = 75822;
 
   MsgIdxMax : array[1..20] of longint=(
-    26,99,342,124,96,58,126,32,207,64,
+    26,99,342,124,96,58,127,32,207,64,
     58,20,1,1,1,1,1,1,1,1
   );
diff --git a/compiler/msgtxt.inc b/compiler/msgtxt.inc
index 858f421c62..68d4004885 100644
--- a/compiler/msgtxt.inc
+++ b/compiler/msgtxt.inc
@@ -977,95 +977,98 @@ const msgtxt : array[0..000315,1..240] of char=(
   'fferent definitions of the memory size =>> map to $2 (smallest option)'+
   '"'#000+
   '07125_E_Invalid register used in memory reference expression: "$1"'#000+
-  '08000_F_Too many assembler files'#000+
-  '08001_F_Selected assembl','er output not supported'#000+
+  '07126_E_SEG used without identifier'#000+
+  '08000_F_Too many asse','mbler files'#000+
+  '08001_F_Selected assembler output not supported'#000+
   '08002_F_Comp not supported'#000+
   '08003_F_Direct not support for binary writers'#000+
   '08004_E_Allocating of data is only allowed in bss section'#000+
   '08005_F_No binary writer selected'#000+
-  '08006_E_Asm: Opcode $1 not in table'#000+
-  '08007_E_Asm: $1',' invalid combination of opcode and operands'#000+
+  '08006_E_Asm: Op','code $1 not in table'#000+
+  '08007_E_Asm: $1 invalid combination of opcode and operands'#000+
   '08008_E_Asm: 16 Bit references not supported'#000+
   '08009_E_Asm: Invalid effective address'#000+
   '08010_E_Asm: Immediate or reference expected'#000+
-  '08011_E_Asm: $1 value exceeds bounds $2'#000+
-  '08012_E_Asm: Short jump is ','out of range $1'#000+
+  '08011_E_Asm: $1 value exceeds b','ounds $2'#000+
+  '08012_E_Asm: Short jump is out of range $1'#000+
   '08013_E_Asm: Undefined label $1'#000+
   '08014_E_Asm: Comp type not supported for this target'#000+
   '08015_E_Asm: Extended type not supported for this target'#000+
   '08016_E_Asm: Duplicate label $1'#000+
-  '08017_E_Asm: Redefined label $1'#000+
-  '08018_E_Asm: First',' defined here'#000+
+  '08017_E_Asm: R','edefined label $1'#000+
+  '08018_E_Asm: First defined here'#000+
   '08019_E_Asm: Invalid register $1'#000+
   '08020_E_Asm: 16 or 32 Bit references not supported'#000+
   '08021_E_Asm: 64 Bit operands not supported'#000+
-  '08022_E_Asm: AH,BH,CH or DH cannot be used in an instruction requiring'+
-  ' REX prefix'#000+
-  '08023_E_Missing .','seh_endprologue directive'#000+
+  '08022_E_Asm: AH,BH,CH or DH cannot be used in an instruction re','quiri'+
+  'ng REX prefix'#000+
+  '08023_E_Missing .seh_endprologue directive'#000+
   '08024_E_Function prologue exceeds 255 bytes'#000+
   '08025_E_.seh_handlerdata directive without preceding .seh_handler'#000+
   '08026_F_Relocation count for section $1 exceeds 65535'#000+
-  '08027_N_Change of bind type of symbol $1 from $2 t','o $3 after use'#000+
+  '08027_N_Change',' of bind type of symbol $1 from $2 to $3 after use'#000+
   '08028_H_Change of bind type of symbol $1 from $2 to $3 after use'#000+
   '08029_E_Asm: 32 Bit references not supported'#000+
   '08030_F_Code segment too large'#000+
   '08031_F_Data segment too large'#000+
-  '09000_W_Source operating system redefined'#000+
-  '09001_I_Ass','embling (pipe) $1'#000+
+  '09000_W_Source op','erating system redefined'#000+
+  '09001_I_Assembling (pipe) $1'#000+
   '09002_E_Can'#039't create assembler file: $1'#000+
   '09003_E_Can'#039't create object file: $1 (error code: $2)'#000+
   '09004_E_Can'#039't create archive file: $1'#000+
-  '09005_E_Assembler $1 not found, switching to external assembling'#000+
-  '09006_T_Using assembler: ','$1'#000+
+  '09005_E_Assembler $1 not found, switching to external ','assembling'#000+
+  '09006_T_Using assembler: $1'#000+
   '09007_E_Error while assembling exitcode $1'#000+
   '09008_E_Can'#039't call the assembler, error $1 switching to external a'+
   'ssembling'#000+
   '09009_I_Assembling $1'#000+
   '09010_I_Assembling with smartlinking $1'#000+
-  '09011_W_Object $1 not found, Linking may fail !'#000+
-  '09012_W_','Library $1 not found, Linking may fail !'#000+
+  '09011_W_Object $1 no','t found, Linking may fail !'#000+
+  '09012_W_Library $1 not found, Linking may fail !'#000+
   '09013_E_Error while linking'#000+
   '09014_E_Can'#039't call the linker, switching to external linking'#000+
   '09015_I_Linking $1'#000+
-  '09016_E_Util $1 not found, switching to external linking'#000+
+  '09016_E_Util $1 not found, switching to external linkin','g'#000+
   '09017_T_Using util $1'#000+
-  '09018_E_Crea','tion of Executables not supported'#000+
+  '09018_E_Creation of Executables not supported'#000+
   '09019_E_Creation of Dynamic/Shared Libraries not supported'#000+
   '09035_E_Creation of Static Libraries not supported'#000+
   '09020_I_Closing script $1'#000+
-  '09021_E_resource compiler "$1" not found, switching to external mode'#000+
-  '0','9022_I_Compiling resource $1'#000+
+  '09021_E_resource compiler "$1" not',' found, switching to external mode'+
+  #000+
+  '09022_I_Compiling resource $1'#000+
   '09023_T_unit $1 cannot be statically linked, switching to smart linkin'+
   'g'#000+
   '09024_T_unit $1 cannot be smart linked, switching to static linking'#000+
-  '09025_T_unit $1 cannot be shared linked, switching to static linking'#000+
-  '09','026_E_unit $1 cannot be smart or static linked'#000+
+  '09025_T_unit $1 cannot be shared li','nked, switching to static linking'+
+  #000+
+  '09026_E_unit $1 cannot be smart or static linked'#000+
   '09027_E_unit $1 cannot be shared or static linked'#000+
   '09028_D_Calling resource compiler "$1" with "$2" as command line'#000+
   '09029_E_Error while compiling resources'#000+
-  '09030_E_Can'#039't call the resource compil','er "$1", switching to exte'+
+  '09','030_E_Can'#039't call the resource compiler "$1", switching to exte'+
   'rnal mode'#000+
   '09031_E_Can'#039't open resource file "$1"'#000+
   '09032_E_Can'#039't write resource file "$1"'#000+
   '09033_N_File "$1" not found for backquoted cat command'#000+
-  '09034_W_"$1" not found, this will probably cause a linking failure'#000+
-  '09128','_F_Can'#039't post process executable $1'#000+
+  '09034_W_"$1" not found, this will pr','obably cause a linking failure'#000+
+  '09128_F_Can'#039't post process executable $1'#000+
   '09129_F_Can'#039't open executable $1'#000+
   '09130_X_Size of Code: $1 bytes'#000+
   '09131_X_Size of initialized data: $1 bytes'#000+
   '09132_X_Size of uninitialized data: $1 bytes'#000+
-  '09133_X_Stack space reserved: $1 bytes'#000+
-  '09134_X_Stack',' space committed: $1 bytes'#000+
+  '09133_X_Stack sp','ace reserved: $1 bytes'#000+
+  '09134_X_Stack space committed: $1 bytes'#000+
   '09200_F_Executable image size is too big for $1 target.'#000+
   '09201_W_Object file "$1" contains 32-bit absolute relocation to symbol'+
   ' "$2".'#000+
-  '09202_E_Program segment too large (exceeds 64k by $1 bytes)'#000+
-  '09203_E_Code segment',' too large (exceeds 64k by $1 bytes)'#000+
+  '09202_E_Program segment too large (exceeds 6','4k by $1 bytes)'#000+
+  '09203_E_Code segment too large (exceeds 64k by $1 bytes)'#000+
   '09204_E_Data segment too large (exceeds 64k by $1 bytes)'#000+
   '09205_E_Segment "$1" too large (exceeds 64k by $2 bytes)'#000+
-  '09206_E_Group "$1" too large (exceeds 64k by $2 bytes)'#000+
+  '09206_E_Group "$1" too large (exceeds 64k by $2 bytes',')'#000+
   '10000_T_Unitsearch: $1'#000+
-  '10001_T_PPU',' Loading $1'#000+
+  '10001_T_PPU Loading $1'#000+
   '10002_U_PPU Name: $1'#000+
   '10003_U_PPU Flags: $1'#000+
   '10004_U_PPU Crc: $1'#000+
@@ -1073,173 +1076,175 @@ const msgtxt : array[0..000315,1..240] of char=(
   '10006_U_PPU File too short'#000+
   '10007_U_PPU Invalid Header (no PPU at the begin)'#000+
   '10008_U_PPU Invalid Version $1'#000+
-  '10009_U_PPU is compiled for another p','rocessor'#000+
+  '1','0009_U_PPU is compiled for another processor'#000+
   '10010_U_PPU is compiled for another target'#000+
   '10011_U_PPU Source: $1'#000+
   '10012_U_Writing $1'#000+
   '10013_F_Can'#039't Write PPU-File'#000+
   '10014_F_Error reading PPU-File'#000+
   '10015_F_unexpected end of PPU-File'#000+
-  '10016_F_Invalid PPU-File entry: $1'#000+
-  '10017_F_PPU Dbx ','count problem'#000+
+  '10016_F_Invalid',' PPU-File entry: $1'#000+
+  '10017_F_PPU Dbx count problem'#000+
   '10018_E_Illegal unit name: $1'#000+
   '10019_F_Too much units'#000+
   '10020_F_Circular unit reference between $1 and $2'#000+
   '10021_F_Can'#039't compile unit $1, no sources available'#000+
-  '10022_F_Can'#039't find unit $1 used by $2'#000+
-  '10023_W_Unit $1 was not found but',' $2 exists'#000+
+  '10022_F_Can'#039't find unit $1 used by ','$2'#000+
+  '10023_W_Unit $1 was not found but $2 exists'#000+
   '10024_F_Unit $1 searched but $2 found'#000+
   '10025_W_Compiling the system unit requires the -Us switch'#000+
   '10026_F_There were $1 errors compiling module, stopping'#000+
   '10027_U_Load from $1 ($2) unit $3'#000+
-  '10028_U_Recompiling $1, checksum changed fo','r $2'#000+
+  '10028_U','_Recompiling $1, checksum changed for $2'#000+
   '10029_U_Recompiling $1, source found only'#000+
   '10030_U_Recompiling unit, static lib is older than ppufile'#000+
   '10031_U_Recompiling unit, shared lib is older than ppufile'#000+
-  '10032_U_Recompiling unit, obj and asm are older than ppufile'#000+
-  '10033_U_Recomp','iling unit, obj is older than asm'#000+
+  '10032_U_Recompiling unit, obj and asm a','re older than ppufile'#000+
+  '10033_U_Recompiling unit, obj is older than asm'#000+
   '10034_U_Parsing interface of $1'#000+
   '10035_U_Parsing implementation of $1'#000+
   '10036_U_Second load for unit $1'#000+
   '10037_U_PPU Check file $1 time $2'#000+
-  '10040_W_Can'#039't recompile unit $1, but found modified include files'#000+
-  '10041','_U_File $1 is newer than the one used for creating PPU file $2'#000+
+  '10040_W_Can'#039't recompile unit $1, bu','t found modified include file'+
+  's'#000+
+  '10041_U_File $1 is newer than the one used for creating PPU file $2'#000+
   '10042_U_Trying to use a unit which was compiled with a different FPU m'+
   'ode'#000+
   '10043_U_Loading interface units from $1'#000+
-  '10044_U_Loading implementation units from $1'#000+
-  '10045_U_Interface ','CRC changed for unit $1'#000+
+  '10044_U_Loading implementat','ion units from $1'#000+
+  '10045_U_Interface CRC changed for unit $1'#000+
   '10046_U_Implementation CRC changed for unit $1'#000+
   '10047_U_Finished compiling unit $1'#000+
   '10048_U_Adding dependency: $1 depends on $2'#000+
   '10049_U_No reload, is caller: $1'#000+
-  '10050_U_No reload, already in second compile: $1'#000+
-  '10051_U_','Flag for reload: $1'#000+
+  '10050_U_No reload, al','ready in second compile: $1'#000+
+  '10051_U_Flag for reload: $1'#000+
   '10052_U_Forced reloading'#000+
   '10053_U_Previous state of $1: $2'#000+
   '10054_U_Already compiling $1, setting second compile'#000+
   '10055_U_Loading unit $1'#000+
   '10056_U_Finished loading unit $1'#000+
-  '10057_U_Registering new unit $1'#000+
-  '10058_U_Re-resolving',' unit $1'#000+
+  '10057_U_Register','ing new unit $1'#000+
+  '10058_U_Re-resolving unit $1'#000+
   '10059_U_Skipping re-resolving unit $1, still loading used units'#000+
   '10060_U_Unloading resource unit $1 (not needed)'#000+
   '10061_E_Unit $1 was compiled using a different whole program optimizat'+
-  'ion feedback input ($2, $3); recompile it without',' wpo or use the sam'+
+  'ion feedback ','input ($2, $3); recompile it without wpo or use the sam'+
   'e wpo feedback input file for this compilation invocation'#000+
   '10062_U_Indirect interface (objects/classes) CRC changed for unit $1'#000+
   '10063_U_PPU is compiled for another i8086 memory model'#000+
-  '11000_O_$1 [options] <inputfile> [optio','ns]'#000+
+  '110','00_O_$1 [options] <inputfile> [options]'#000+
   '11001_W_Only one source file supported, changing source file to compil'+
   'e from "$1" into "$2"'#000+
   '11002_W_DEF file can be created only for OS/2'#000+
   '11003_E_nested response files are not supported'#000+
-  '11004_F_No source file name in command line'#000+
-  '11005_','N_No option inside $1 config file'#000+
+  '11004_F_No sou','rce file name in command line'#000+
+  '11005_N_No option inside $1 config file'#000+
   '11006_E_Illegal parameter: $1'#000+
   '11007_H_-? writes help pages'#000+
   '11008_F_Too many config files nested'#000+
   '11009_F_Unable to open file $1'#000+
   '11010_D_Reading further options from $1'#000+
-  '11011_W_Target is already set to: $1'#000+
-  '11','012_W_Shared libs not supported on DOS platform, reverting to stat'+
-  'ic'#000+
+  '110','11_W_Target is already set to: $1'#000+
+  '11012_W_Shared libs not supported on DOS platform, reverting to static'+
+  #000+
   '11013_F_In options file $1 at line $2 too many #IF(N)DEFs encountered'#000+
-  '11014_F_In options file $1 at line $2 unexpected #ENDIFs encountered'#000+
-  '11015_F_Open conditional at the ','end of the options file'#000+
+  '11014_F_In options file $1 at line $2 unexpected #ENDIFs encounte','red'+
+  #000+
+  '11015_F_Open conditional at the end of the options file'#000+
   '11016_W_Debug information generation is not supported by this executab'+
   'le'#000+
   '11017_H_Try recompiling with -dGDB'#000+
   '11018_W_You are using the obsolete switch $1'#000+
-  '11019_W_You are using the obsolete switch $1, please use $2'#000+
-  '110','20_N_Switching assembler to default source writing assembler'#000+
+  '11019_W_You are using the o','bsolete switch $1, please use $2'#000+
+  '11020_N_Switching assembler to default source writing assembler'#000+
   '11021_W_Assembler output selected "$1" is not compatible with "$2"'#000+
   '11022_W_"$1" assembler use forced'#000+
   '11026_T_Reading options from file $1'#000+
-  '11027_T_Reading options from environment ','$1'#000+
+  '11027','_T_Reading options from environment $1'#000+
   '11028_D_Handling option "$1"'#000+
   '11029_O_*** press enter ***'#000+
   '11030_H_Start of reading config file $1'#000+
   '11031_H_End of reading config file $1'#000+
   '11032_D_interpreting option "$1"'#000+
-  '11036_D_interpreting firstpass option "$1"'#000+
-  '11033_D_interpreting file ','option "$1"'#000+
+  '11036_D_interpreting firstpass op','tion "$1"'#000+
+  '11033_D_interpreting file option "$1"'#000+
   '11034_D_Reading config file "$1"'#000+
   '11035_D_found source file name "$1"'#000+
   '11039_E_Unknown codepage "$1"'#000+
   '11040_F_Config file $1 is a directory'#000+
-  '11041_W_Assembler output selected "$1" cannot generate debug info, deb'+
-  'ugging disabled'#000+
-  '11042','_W_Use of ppc386.cfg is deprecated, please use fpc.cfg instead'#000+
+  '11041_W_Assembler output selected "$1" cannot generate ','debug info, d'+
+  'ebugging disabled'#000+
+  '11042_W_Use of ppc386.cfg is deprecated, please use fpc.cfg instead'#000+
   '11043_F_In options file $1 at line $2 #ELSE directive without #IF(N)DE'+
   'F found'#000+
-  '11044_F_Option "$1" is not, or not yet, supported on the current targe'+
-  't platform'#000+
-  '11045_F_The featur','e "$1" is not, or not yet, supported on the select'+
-  'ed target platform'#000+
+  '11044_F_Option "$1" is not, or not yet, supported on the curren','t tar'+
+  'get platform'#000+
+  '11045_F_The feature "$1" is not, or not yet, supported on the selected'+
+  ' target platform'#000+
   '11046_N_DWARF debug information cannot be used with smart linking on t'+
   'his target, switching to static linking'#000+
-  '11047_W_Option "$1" is ignored for the current target platfor','m.'#000+
+  '11047_W_Option "$1" is ig','nored for the current target platform.'#000+
   '11048_W_Disabling external debug information because it is unsupported'+
   ' for the selected target/debug format combination.'#000+
   '11049_N_DWARF debug information cannot be used with smart linking with'+
-  ' external assembler, disabling static library ','creation.'#000+
+  ' external ','assembler, disabling static library creation.'#000+
   '11050_E_Invalid value for MACOSX_DEPLOYMENT_TARGET environment variabl'+
   'e: $1'#000+
   '11051_E_Invalid value for IPHONEOS_DEPLOYMENT_TARGET environment varia'+
   'ble: $1'#000+
-  '11052_E_You must use a FPU type of VFPV2, VFPV3 or VFPV3_D16 when usin'+
-  'g the ','EABIHF ABI target'#000+
+  '11052_E_You must use a FPU type of VFPV2',', VFPV3 or VFPV3_D16 when us'+
+  'ing the EABIHF ABI target'#000+
   '11053_W_The selected debug format is not supported on the current targ'+
   'et, not changing the current setting'#000+
   '11054_E_argument to "$1" is missing'#000+
   '11055_E_malformed parameter: $1'#000+
-  '11056_W_Smart linking requires external linker'#000,
+  '11056_W_Sma','rt linking requires external linker'#000+
   '11057_E_Creating .COM files is not supported in the current memory mod'+
   'el. Only the tiny memory model supports making .COM files.'#000+
   '12000_F_Cannot open whole program optimization feedback file "$1"'#000+
-  '12001_D_Processing whole program optimization',' information in wpo fee'+
+  '12001_D_P','rocessing whole program optimization information in wpo fee'+
   'dback file "$1"'#000+
   '12002_D_Finished processing the whole program optimization information'+
   ' in wpo feedback file "$1"'#000+
-  '12003_E_Expected section header, but got "$2" at line $1 of wpo feedba'+
-  'ck file'#000+
-  '12004_W_No handler registe','red for whole program optimization section'+
-  ' "$2" at line $1 of wpo feedback file, ignoring'#000+
+  '12003_E_Expected section header, but got "$2" at line $1 of wpo feed','b'+
+  'ack file'#000+
+  '12004_W_No handler registered for whole program optimization section "'+
+  '$2" at line $1 of wpo feedback file, ignoring'#000+
   '12005_D_Found whole program optimization section "$1" with information'+
   ' about "$2"'#000+
-  '12006_F_The selected whole program optimizations require a previousl','y'+
-  ' generated feedback file (use -Fw to specify)'#000+
+  '12006_F_The selected whole progr','am optimizations require a previousl'+
+  'y generated feedback file (use -Fw to specify)'#000+
   '12007_E_No collected information necessary to perform "$1" whole progr'+
   'am optimization found'#000+
-  '12008_F_Specify a whole program optimization feedback file to store th'+
-  'e generated info in (using -FW)',#000+
+  '12008_F_Specify a whole program optimization feedback file to sto','re '+
+  'the generated info in (using -FW)'#000+
   '12009_E_Not generating any whole program optimization information, yet'+
   ' a feedback file was specified (using -FW)'#000+
   '12010_E_Not performing any whole program optimizations, yet an input f'+
-  'eedback file was specified (using -Fw)'#000+
-  '12011_D_Skipping ','whole program optimization section "$1", because no'+
-  't needed by the requested optimizations'#000+
+  'eedback file was spe','cified (using -Fw)'#000+
+  '12011_D_Skipping whole program optimization section "$1", because not '+
+  'needed by the requested optimizations'#000+
   '12012_W_Overriding previously read information for "$1" from feedback '+
-  'input file using information in section "$2"'#000+
-  '12013_E_Cannot extract symbol live','ness information from program when'+
-  ' stripping symbols, use -Xs-'#000+
+  'input file using information in section "$2','"'#000+
+  '12013_E_Cannot extract symbol liveness information from program when s'+
+  'tripping symbols, use -Xs-'#000+
   '12014_E_Cannot extract symbol liveness information from program when w'+
   'hen not linking'#000+
-  '12015_F_Cannot find "$1" or "$2" to extract symbol liveness informatio'+
-  'n from linked program',#000+
+  '12015_F_Cannot find "$1" or "$2" to extract symbol live','ness informat'+
+  'ion from linked program'#000+
   '12016_E_Error during reading symbol liveness information produced by "'+
   '$1"'#000+
   '12017_F_Error executing "$1" (exitcode: $2) to extract symbol informat'+
   'ion from linked program'#000+
-  '12018_E_Collection of symbol liveness information can only help when u'+
-  's','ing smart linking, use -CX -XX'#000+
+  '12018_E_Collection of symbol livene','ss information can only help when'+
+  ' using smart linking, use -CX -XX'#000+
   '12019_E_Cannot create specified whole program optimisation feedback fi'+
   'le "$1"'#000+
   '11023_Free Pascal Compiler version $FPCFULLVERSION [$FPCDATE] for $FPC'+
   'CPU'#010+
-  'Copyright (c) 1993-2015 by Florian Klaempfl and others'#000+
-  '11','024_Free Pascal Compiler version $FPCVERSION'#010+
+  'Copyright (c) 1993-20','15 by Florian Klaempfl and others'#000+
+  '11024_Free Pascal Compiler version $FPCVERSION'#010+
   #010+
   'Compiler date      : $FPCDATE'#010+
   'Compiler CPU target: $FPCCPU'#010+
@@ -1248,8 +1253,8 @@ const msgtxt : array[0..000315,1..240] of char=(
   'ment):'#010+
   '  $OSTARGETS'#010+
   #010+
-  'Supported CPU instruction sets:'#010+
-  '  $INSTRUCTIONSETS'#010,
+  'Supported CPU i','nstruction sets:'#010+
+  '  $INSTRUCTIONSETS'#010+
   #010+
   'Supported FPU instruction sets:'#010+
   '  $FPUINSTRUCTIONSETS'#010+
@@ -1263,147 +1268,148 @@ const msgtxt : array[0..000315,1..240] of char=(
   'Supported ABI targets:'#010+
   '  $ABITARGETS'#010+
   #010+
-  'Supported Optimizations:'#010+
+  'Supported',' Optimizations:'#010+
   '  $OPTIMIZATIONS'#010+
   #010+
-  'Su','pported Whole Program Optimizations:'#010+
+  'Supported Whole Program Optimizations:'#010+
   '  All'#010+
   '  $WPOPTIMIZATIONS'#010+
   #010+
   'Supported Microcontroller types:$\n  $CONTROLLERTYPES$\n'#010+
   'This program comes under the GNU General Public Licence'#010+
-  'For more information read COPYING.v2'#010+
+  'For more information read CO','PYING.v2'#010+
   #010+
-  'Please report bugs in our ','bug tracker on:'#010+
+  'Please report bugs in our bug tracker on:'#010+
   '                 http://bugs.freepascal.org'#010+
   #010+
   'More information may be found on our WWW pages (including directions'#010+
   'for mailing lists useful for asking questions or discussing potential'#010+
-  'new features, etc.):'#010+
-  '                 ht','tp://www.freepascal.org'#000+
+  'new ','features, etc.):'#010+
+  '                 http://www.freepascal.org'#000+
   '11025_F*0*_Only options valid for the default or selected platform are'+
   ' listed.'#010+
   '**0*_Put + after a boolean switch option to enable it, - to disable it'+
   '.'#010+
-  '**1@<x>_Read compiler options from <x> in addition to the default',' fp'+
+  '**1@<x>_Read compiler options',' from <x> in addition to the default fp'+
   'c.cfg'#010+
   '**1a_The compiler does not delete the generated assembler file'#010+
   '**2al_List sourcecode lines in assembler file'#010+
   '**2an_List node info in assembler file (-dEXTDEBUG compiler)'#010+
-  '**2ao_Add an extra option to external assembler call (ignored',' for in'+
+  '**2ao_Add an extra option',' to external assembler call (ignored for in'+
   'ternal)'#010+
   '*L2ap_Use pipes instead of creating temporary assembler files'#010+
   '**2ar_List register allocation/release info in assembler file'#010+
   '**2at_List temp allocation/release info in assembler file'#010+
-  '**1A<x>_Output format:'#010+
-  '**2Adefault_Use defa','ult assembler'#010+
+  '**1A<x>','_Output format:'#010+
+  '**2Adefault_Use default assembler'#010+
   '3*2Aas_Assemble using GNU AS'#010+
   '3*2Amacho_Mach-O (Darwin, Intel 32 bit) using internal writer'#010+
   '8*2Anasm_Assemble using Nasm'#010+
   '8*2Anasmobj_Assemble using Nasm'#010+
   '3*2Anasm_Assemble using Nasm'#010+
-  '3*2Anasmcoff_COFF (Go32v2) file using Nasm'#010+
-  '3*','2Anasmelf_ELF32 (Linux) file using Nasm'#010+
+  '3*2Anasmc','off_COFF (Go32v2) file using Nasm'#010+
+  '3*2Anasmelf_ELF32 (Linux) file using Nasm'#010+
   '3*2Anasmwin32_Win32 object file using Nasm'#010+
   '3*2Anasmwdosx_Win32/WDOSX object file using Nasm'#010+
   '3*2Anasmdarwin_macho32 object file using Nasm (experimental)'#010+
-  '3*2Awasm_Obj file using Wasm (Watcom)'#010+
-  '3*2Anasmo','bj_Obj file using Nasm'#010+
+  '3*2Awasm_Ob','j file using Wasm (Watcom)'#010+
+  '3*2Anasmobj_Obj file using Nasm'#010+
   '3*2Amasm_Obj file using Masm (Microsoft)'#010+
   '3*2Atasm_Obj file using Tasm (Borland)'#010+
   '3*2Aelf_ELF (Linux) using internal writer'#010+
   '3*2Acoff_COFF (Go32v2) using internal writer'#010+
-  '3*2Apecoff_PE-COFF (Win32) using internal writer'#010+
-  '3','*2Ayasm_Assemble using Yasm (experimental)'#010+
+  '3*2Apecoff_PE-','COFF (Win32) using internal writer'#010+
+  '3*2Ayasm_Assemble using Yasm (experimental)'#010+
   '4*2Aas_Assemble using GNU AS'#010+
   '4*2Agas_Assemble using GNU GAS'#010+
   '4*2Agas-darwin_Assemble darwin Mach-O64 using GNU GAS'#010+
-  '4*2Amasm_Win64 object file using ml64 (Microsoft)'#010+
-  '4*2Apecoff_PE-COFF (Win64) using ','internal writer'#010+
+  '4*2Amasm_Win64 object file using ml64 (Microsof','t)'#010+
+  '4*2Apecoff_PE-COFF (Win64) using internal writer'#010+
   '4*2Aelf_ELF (Linux-64bit) using internal writer'#010+
   '4*2Ayasm_Assemble using Yasm (experimental)'#010+
   '4*2Anasm_Assemble  using Nasm (experimental)'#010+
-  '4*2Anasmwin64_Assemble Win64 object file using Nasm (experimental)'#010+
-  '4*2Anasmelf_Assemble',' Linux-64bit object file using Nasm (experimenta'+
-  'l)'#010+
+  '4*2Anasmwin64_Assemble Win64 object file using Nasm',' (experimental)'#010+
+  '4*2Anasmelf_Assemble Linux-64bit object file using Nasm (experimental)'+
+  #010+
   '4*2Anasmdarwin_Assemble darwin macho64 object file using Nasm (experim'+
   'ental)'#010+
   '6*2Aas_Unix o-file using GNU AS'#010+
   '6*2Agas_GNU Motorola assembler'#010+
-  '6*2Amit_MIT Syntax (old GAS)'#010+
-  '6*2Amot_Standard Mot','orola assembler'#010+
+  '6*2Amit_MIT S','yntax (old GAS)'#010+
+  '6*2Amot_Standard Motorola assembler'#010+
   'A*2Aas_Assemble using GNU AS'#010+
   'P*2Aas_Assemble using GNU AS'#010+
   'S*2Aas_Assemble using GNU AS'#010+
   '**1b_Generate browser info'#010+
   '**2bl_Generate local symbol info'#010+
   '**1B_Build all modules'#010+
-  '**1C<x>_Code generation options:'#010+
-  '**2C3_Turn on ieee er','ror checking for constants'#010+
+  '**1C<x>_Code gener','ation options:'#010+
+  '**2C3_Turn on ieee error checking for constants'#010+
   '**2Ca<x>_Select ABI; see fpc -i or fpc -ia for possible values'#010+
   '**2Cb_Generate code for a big-endian variant of the target architectur'+
   'e'#010+
-  '**2Cc<x>_Set default calling convention to <x>'#010+
-  '**2CD_Create also dynamic libra','ry (not supported)'#010+
+  '**2Cc<x>_Set default calling convention to',' <x>'#010+
+  '**2CD_Create also dynamic library (not supported)'#010+
   '**2Ce_Compilation with emulated floating point opcodes'#010+
   '**2Cf<x>_Select fpu instruction set to use; see fpc -i or fpc -if for '+
   'possible values'#010+
-  '**2CF<x>_Minimal floating point constant precision (default, 32, 64)'#010+
-  '**2Cg_Gener','ate PIC code'#010+
+  '**2CF<x>_Minimal floating point constant pre','cision (default, 32, 64)'+
+  #010+
+  '**2Cg_Generate PIC code'#010+
   '**2Ch<n>_<n> bytes heap (between 1023 and 67107840)'#010+
   '**2Ci_IO-checking'#010+
   'A*2CI<x>_Select instruction set on ARM: ARM or THUMB'#010+
   '**2Cn_Omit linking stage'#010+
-  'P*2CN_Generate nil-pointer checks (AIX-only)'#010+
-  '**2Co_Check overflow of integer op','erations'#010+
+  'P*2CN_Generate nil-pointer checks (AIX-only',')'#010+
+  '**2Co_Check overflow of integer operations'#010+
   '**2CO_Check for possible overflow of integer operations'#010+
   '**2Cp<x>_Select instruction set; see fpc -i or fpc -ic for possible va'+
   'lues'#010+
   '**2CP<x>=<y>_ packing settings'#010+
-  '**3CPPACKSET=<y>_ <y> set allocation: 0, 1 or DEFAULT or NORMAL, 2, 4',
-  ' and 8'#010+
+  '**3CPPACKSET=<y>_ <y> set allocat','ion: 0, 1 or DEFAULT or NORMAL, 2, '+
+  '4 and 8'#010+
   '**3CPPACKENUM=<y>_ <y> enum packing: 0, 1, 2 and 4 or DEFAULT or NORMA'+
   'L'#010+
   '**3CPPACKRECORD=<y>_ <y> record packing: 0 or DEFAULT or NORMAL, 1, 2,'+
   ' 4, 8, 16 and 32'#010+
   '**2Cr_Range checking'#010+
-  '**2CR_Verify object method call validity'#010+
-  '**2Cs<n>_Set',' stack checking size to <n>'#010+
+  '**2CR_Verify obje','ct method call validity'#010+
+  '**2Cs<n>_Set stack checking size to <n>'#010+
   '**2Ct_Stack checking (for testing only, see manual)'#010+
   '8*2CT<x>_Target-specific code generation options'#010+
   '3*2CT<x>_Target-specific code generation options'#010+
-  '4*2CT<x>_Target-specific code generation options'#010+
-  'p*2CT<x>_Targ','et-specific code generation options'#010+
+  '4*2CT<x>_Target-specific c','ode generation options'#010+
+  'p*2CT<x>_Target-specific code generation options'#010+
   'P*2CT<x>_Target-specific code generation options'#010+
   'J*2CT<x>_Target-specific code generation options'#010+
   'A*2CT<x>_Target-specific code generation options'#010+
-  'p*3CTsmalltoc_ Generate smaller TOCs at the expense of ex','ecution spe'+
+  'p*3CTsmalltoc_ Genera','te smaller TOCs at the expense of execution spe'+
   'ed (AIX)'#010+
   'P*3CTsmalltoc_ Generate smaller TOCs at the expense of execution speed'+
   ' (AIX)'#010+
   'J*3CTautogetterprefix=X_  Automatically create getters for properties '+
+  'with prefix X (empty string disables)',#010+
+  'J*3CTautosetterprefix=X_  Automatically create setters for properties '+
   'with prefix X (empty string disables)'#010+
-  'J*3CTautosetterprefix=X_  Automatic','ally create setters for propertie'+
-  's with prefix X (empty string disables)'#010+
   '8*3CTcld_                 Emit a CLD instruction before using the x86 '+
   'string instructions'#010+
-  '3*3CTcld_                 Emit a CLD instruction before using the x86 '+
-  'string ','instructions'#010+
+  '3*3CTcld_                 Emit a CLD inst','ruction before using the x8'+
+  '6 string instructions'#010+
   '4*3CTcld_                 Emit a CLD instruction before using the x86 '+
   'string instructions'#010+
   'J*3CTcompactintarrayinit_ Generate smaller (but potentially slower) co'+
-  'de for initializing integer array constants'#010+
-  'J*3CTenumfieldinit_    ','   Initialize enumeration fields in construct'+
-  'ors to enumtype(0), after calling inherited constructors'#010+
+  'de for initializing integer arr','ay constants'#010+
+  'J*3CTenumfieldinit_       Initialize enumeration fields in constructor'+
+  's to enumtype(0), after calling inherited constructors'#010+
   'J*3CTinitlocals_          Initialize local variables that trigger a JV'+
-  'M bytecode verification error if used uninitialized (slows down code',')'+
-  #010+
+  'M bytecode verification error if',' used uninitialized (slows down code'+
+  ')'#010+
   'J*3CTlowercaseprocstart_  Lowercase the first character of procedure/f'+
   'unction/method names'#010+
   'A*3CTthumbinterworking_ Generate Thumb interworking-safe code if possi'+
   'ble'#010+
-  'J*2Cv_Var/out parameter copy-out checking'#010+
-  '**2CX_Create also smartlinked l','ibrary'#010+
+  'J*2Cv_Var/out parameter copy-out chec','king'#010+
+  '**2CX_Create also smartlinked library'#010+
   '**1d<x>_Defines the symbol <x>'#010+
   '**1D_Generate a DEF file'#010+
   '**2Dd<x>_Set description to <x>'#010+
@@ -1411,138 +1417,138 @@ const msgtxt : array[0..000315,1..240] of char=(
   '*O2Dw_PM application'#010+
   '**1e<x>_Set path to executable'#010+
   '**1E_Same as -Cn'#010+
-  '**1fPIC_Same as -Cg'#010+
-  '**1F<x>_Set file names a','nd paths:'#010+
+  '**1fPIC_','Same as -Cg'#010+
+  '**1F<x>_Set file names and paths:'#010+
   '**2Fa<x>[,y]_(for a program) load units <x> and [y] before uses is par'+
   'sed'#010+
   '**2Fc<x>_Set input codepage to <x>'#010+
   '**2FC<x>_Set RC compiler binary name to <x>'#010+
-  '**2Fd_Disable the compiler'#039's internal directory cache'#010+
-  '**2FD<x>_Set the direct','ory where to search for compiler utilities'#010+
+  '**2Fd_Disable the compiler'#039's internal dir','ectory cache'#010+
+  '**2FD<x>_Set the directory where to search for compiler utilities'#010+
   '**2Fe<x>_Redirect error output to <x>'#010+
   '**2Ff<x>_Add <x> to framework path (Darwin only)'#010+
   '**2FE<x>_Set exe/unit output path to <x>'#010+
-  '**2Fi<x>_Add <x> to include path'#010+
+  '**2Fi<x>_Add <x> to include path'#010,
   '**2Fl<x>_Add <x> to library path'#010+
-  '**2','FL<x>_Use <x> as dynamic linker'#010+
+  '**2FL<x>_Use <x> as dynamic linker'#010+
   '**2Fm<x>_Load unicode conversion table from <x>.txt in the compiler di'+
   'r'#010+
   '**2FM<x>_Set the directory where to search for unicode binary files'#010+
-  '**2Fo<x>_Add <x> to object path'#010+
-  '**2Fr<x>_Load error message file <x>',#010+
+  '**2Fo<x>_Add <x> to object path'#010,
+  '**2Fr<x>_Load error message file <x>'#010+
   '**2FR<x>_Set resource (.res) linker to <x>'#010+
   '**2Fu<x>_Add <x> to unit path'#010+
   '**2FU<x>_Set unit output path to <x>, overrides -FE'#010+
   '**2FW<x>_Store generated whole-program optimization feedback in <x>'#010+
-  '**2Fw<x>_Load previously stored whole-program ','optimization feedback '+
+  '**2Fw<x>_L','oad previously stored whole-program optimization feedback '+
   'from <x>'#010+
   '*g1g_Generate debug information (default format for target)'#010+
   '*g2gc_Generate checks for pointers'#010+
   '*g2gh_Use heaptrace unit (for memory leak/corruption debugging)'#010+
-  '*g2gl_Use line info unit (show more info with back','traces)'#010+
+  '*g2gl_Use line',' info unit (show more info with backtraces)'#010+
   '*g2go<x>_Set debug information options'#010+
   '*g3godwarfsets_ Enable DWARF '#039'set'#039' type debug information (bre'+
   'aks gdb < 6.5)'#010+
   '*g3gostabsabsincludes_ Store absolute/full include file paths in Stabs'+
   #010+
-  '*g3godwarfmethodclassprefix_ Prefix method na','mes in DWARF with class'+
+  '*g3godwar','fmethodclassprefix_ Prefix method names in DWARF with class'+
   ' name'#010+
   '*g2gp_Preserve case in stabs symbol names'#010+
   '*g2gs_Generate Stabs debug information'#010+
   '*g2gt_Trash local variables (to detect uninitialized uses; multiple '#039+
-  't'#039' changes the trashing value)'#010+
-  '*g2gv_Generates programs trace','able with Valgrind'#010+
+  't'#039' changes the trashing v','alue)'#010+
+  '*g2gv_Generates programs traceable with Valgrind'#010+
   '*g2gw_Generate DWARFv2 debug information (same as -gw2)'#010+
   '*g2gw2_Generate DWARFv2 debug information'#010+
   '*g2gw3_Generate DWARFv3 debug information'#010+
-  '*g2gw4_Generate DWARFv4 debug information (experimental)'#010+
+  '*g2gw4_Generate DWARFv4 debug information (ex','perimental)'#010+
   '**1i_Information'#010+
-  '**2iD_R','eturn compiler date'#010+
+  '**2iD_Return compiler date'#010+
   '**2iSO_Return compiler OS'#010+
   '**2iSP_Return compiler host processor'#010+
   '**2iTO_Return target OS'#010+
   '**2iTP_Return target processor'#010+
   '**2iV_Return short compiler version'#010+
-  '**2iW_Return full compiler version'#010+
-  '**2ia_Return list of supported',' ABI targets'#010+
+  '**2iW_Return full compiler ve','rsion'#010+
+  '**2ia_Return list of supported ABI targets'#010+
   '**2ic_Return list of supported CPU instruction sets'#010+
   '**2if_Return list of supported FPU instruction sets'#010+
   '**2ii_Return list of supported inline assembler modes'#010+
-  '**2io_Return list of supported optimizations'#010+
-  '**2ir_Return list of rec','ognized compiler and RTL features'#010+
+  '**2io_Return list of supported op','timizations'#010+
+  '**2ir_Return list of recognized compiler and RTL features'#010+
   '**2it_Return list of supported targets'#010+
   '**2iu_Return list of supported microcontroller types'#010+
   '**2iw_Return list of supported whole program optimizations'#010+
-  '**1I<x>_Add <x> to include path'#010+
-  '**1k<x>_Pass <x> to the',' linker'#010+
+  '**1I<x>_Add <x> to ','include path'#010+
+  '**1k<x>_Pass <x> to the linker'#010+
   '**1l_Write logo'#010+
   '**1M<x>_Set language mode to <x>'#010+
   '**2Mfpc_Free Pascal dialect (default)'#010+
   '**2Mobjfpc_FPC mode with Object Pascal support'#010+
   '**2Mdelphi_Delphi 7 compatibility mode'#010+
-  '**2Mtp_TP/BP 7.0 compatibility mode'#010+
-  '**2Mmacpas_Macintosh Pa','scal dialects compatibility mode'#010+
+  '**2Mtp_TP/BP 7.0 compat','ibility mode'#010+
+  '**2Mmacpas_Macintosh Pascal dialects compatibility mode'#010+
   '**1n_Do not read the default config files'#010+
   '**1o<x>_Change the name of the executable produced to <x>'#010+
   '**1O<x>_Optimizations:'#010+
   '**2O-_Disable optimizations'#010+
-  '**2O1_Level 1 optimizations (quick and debugger friendly',')'#010+
+  '**2O1_Level 1 optimi','zations (quick and debugger friendly)'#010+
   '**2O2_Level 2 optimizations (-O1 + quick optimizations)'#010+
   '**2O3_Level 3 optimizations (-O2 + slow optimizations)'#010+
   '**2O4_Level 4 optimizations (-O3 + optimizations which might have unex'+
-  'pected side effects)'#010+
+  'pected side effects)'#010,
   '**2Oa<x>=<y>_Set alignment'#010+
-  '**2Oo[NO]','<x>_Enable or disable optimizations; see fpc -i or fpc -io '+
-  'for possible values'#010+
+  '**2Oo[NO]<x>_Enable or disable optimizations; see fpc -i or fpc -io fo'+
+  'r possible values'#010+
   '**2Op<x>_Set target cpu for optimizing; see fpc -i or fpc -ic for poss'+
   'ible values'#010+
-  '**2OW<x>_Generate whole-program optimization feedback for optimization'+
-  ' <x>; see',' fpc -i or fpc -iw for possible values'#010+
+  '**2OW<x>_Generate whole-program optimizatio','n feedback for optimizati'+
+  'on <x>; see fpc -i or fpc -iw for possible values'#010+
   '**2Ow<x>_Perform whole-program optimization <x>; see fpc -i or fpc -iw'+
   ' for possible values'#010+
   '**2Os_Optimize for size rather than speed'#010+
-  '**1pg_Generate profile code for gprof (defines FPC_PROFILE)'#010+
-  'F*1P<x>_','Target CPU / compiler related options:'#010+
+  '**1pg_Generate profile code for ','gprof (defines FPC_PROFILE)'#010+
+  'F*1P<x>_Target CPU / compiler related options:'#010+
   'F*2PB_Show default compiler binary'#010+
   'F*2PP_Show default target cpu'#010+
   'F*2P<x>_Set target CPU (arm,avr,i386,jvm,m68k,mips,mipsel,powerpc,powe'+
   'rpc64,sparc,x86_64)'#010+
-  '**1R<x>_Assembler reading style:'#010+
-  '**2Rdefault_U','se default assembler for target'#010+
+  '**1R<x>_As','sembler reading style:'#010+
+  '**2Rdefault_Use default assembler for target'#010+
   '3*2Ratt_Read AT&T style assembler'#010+
   '3*2Rintel_Read Intel style assembler'#010+
   '6*2RMOT_Read motorola style assembler'#010+
   '**1S<x>_Syntax options:'#010+
   '**2S2_Same as -Mobjfpc'#010+
-  '**2Sc_Support operators like C (*=,+=,/= and -=)'#010+
-  '**2','Sa_Turn on assertions'#010+
+  '**2Sc_Support op','erators like C (*=,+=,/= and -=)'#010+
+  '**2Sa_Turn on assertions'#010+
   '**2Sd_Same as -Mdelphi'#010+
   '**2Se<x>_Error options. <x> is a combination of the following:'#010+
   '**3*_<n> : Compiler halts after the <n> errors (default is 1)'#010+
-  '**3*_w : Compiler also halts after warnings'#010+
-  '**3*_n : Compiler also hal','ts after notes'#010+
+  '**3*_w : Compiler also halts after',' warnings'#010+
+  '**3*_n : Compiler also halts after notes'#010+
   '**3*_h : Compiler also halts after hints'#010+
   '**2Sf_Enable certain features in compiler and RTL; see fpc -i or fpc -'+
   'ir for possible values)'#010+
-  '**2Sg_Enable LABEL and GOTO (default in -Mtp and -Mdelphi)'#010+
-  '**2Sh_Use reference counted str','ings (ansistring by default) instead '+
-  'of shortstrings'#010+
+  '**2Sg_Enable LABEL and GOTO (default in -Mtp and -Mdel','phi)'#010+
+  '**2Sh_Use reference counted strings (ansistring by default) instead of'+
+  ' shortstrings'#010+
   '**2Si_Turn on inlining of procedures/functions declared as "inline"'#010+
   '**2Sk_Load fpcylix unit'#010+
   '**2SI<x>_Set interface style to <x>'#010+
-  '**3SIcom_COM compatible interface (default)'#010+
-  '**3SIcorba_CORB','A compatible interface'#010+
+  '**3SIcom_COM compatible',' interface (default)'#010+
+  '**3SIcorba_CORBA compatible interface'#010+
   '**2Sm_Support macros like C (global)'#010+
   '**2So_Same as -Mtp'#010+
   '**2Ss_Constructor name must be init (destructor must be done)'#010+
-  '**2Sv_Support vector processing (use CPU vector extensions if availabl'+
-  'e)'#010+
-  '**2Sx_Enable exception key','words (default in Delphi/ObjFPC modes)'#010+
+  '**2Sv_Support vector processing (use CPU vector extensions if a','vaila'+
+  'ble)'#010+
+  '**2Sx_Enable exception keywords (default in Delphi/ObjFPC modes)'#010+
   '**2Sy_@<pointer> returns a typed pointer, same as $T+'#010+
   '**1s_Do not call assembler and linker'#010+
   '**2sh_Generate script to link on host'#010+
-  '**2st_Generate script to link on target'#010+
-  '**2sr_Skip register allocation ','phase (use with -alr)'#010+
+  '**2st_Generate script to link on ta','rget'#010+
+  '**2sr_Skip register allocation phase (use with -alr)'#010+
   '**1T<x>_Target operating system:'#010+
   '3*2Tandroid_Android'#010+
   '3*2Taros_AROS'#010+
@@ -1550,24 +1556,24 @@ const msgtxt : array[0..000315,1..240] of char=(
   '3*2Tdarwin_Darwin/Mac OS X'#010+
   '3*2Tembedded_Embedded'#010+
   '3*2Temx_OS/2 via EMX (including EMX/RSX extender)'#010+
-  '3*2Tfreebsd_FreeBSD'#010+
-  '3*2Tgo32v2_Version',' 2 of DJ Delorie DOS extender'#010+
+  '3*','2Tfreebsd_FreeBSD'#010+
+  '3*2Tgo32v2_Version 2 of DJ Delorie DOS extender'#010+
   '3*2Thaiku_Haiku'#010+
   '3*2Tiphonesim_ iPhoneSimulator from iOS SDK 3.2+ (older versions: -Tda'+
   'rwin)'#010+
   '3*2Tlinux_Linux'#010+
   '3*2Tnativent_Native NT API (experimental)'#010+
   '3*2Tnetbsd_NetBSD'#010+
-  '3*2Tnetware_Novell Netware Module (clib)'#010+
-  '3','*2Tnetwlibc_Novell Netware Module (libc)'#010+
+  '3*2Tne','tware_Novell Netware Module (clib)'#010+
+  '3*2Tnetwlibc_Novell Netware Module (libc)'#010+
   '3*2Topenbsd_OpenBSD'#010+
   '3*2Tos2_OS/2 / eComStation'#010+
   '3*2Tsunos_SunOS/Solaris'#010+
   '3*2Tsymbian_Symbian OS'#010+
   '3*2Tsolaris_Solaris'#010+
   '3*2Twatcom_Watcom compatible DOS extender'#010+
-  '3*2Twdosx_WDOSX DOS extender'#010+
-  '3*2Twin32_Wind','ows 32 Bit'#010+
+  '3*2Twdo','sx_WDOSX DOS extender'#010+
+  '3*2Twin32_Windows 32 Bit'#010+
   '3*2Twince_Windows CE'#010+
   '4*2Tdarwin_Darwin/Mac OS X'#010+
   '4*2Tfreebsd_FreeBSD'#010+
@@ -1576,8 +1582,8 @@ const msgtxt : array[0..000315,1..240] of char=(
   '4*2Tnetbsd_NetBSD'#010+
   '4*2Topenbsd_OpenBSD'#010+
   '4*2Tsolaris_Solaris'#010+
-  '4*2Twin64_Win64 (64 bit Windows systems)'#010+
-  '6*2Tamiga_Commo','dore Amiga'#010+
+  '4*2Twin64_Win64 (64 ','bit Windows systems)'#010+
+  '6*2Tamiga_Commodore Amiga'#010+
   '6*2Tatari_Atari ST/STe/TT'#010+
   '6*2Tlinux_Linux'#010+
   '6*2Tpalmos_PalmOS'#010+
@@ -1586,8 +1592,8 @@ const msgtxt : array[0..000315,1..240] of char=(
   'A*2Tandroid_Android'#010+
   'A*2Tdarwin_Darwin/iPhoneOS/iOS'#010+
   'A*2Tembedded_Embedded'#010+
-  'A*2Tgba_Game Boy Advance'#010+
-  'A*2Tlinux_Linux',#010+
+  'A*2T','gba_Game Boy Advance'#010+
+  'A*2Tlinux_Linux'#010+
   'A*2Tnds_Nintendo DS'#010+
   'A*2Tsymbian_Symbian'#010+
   'A*2Twince_Windows CE'#010+
@@ -1598,9 +1604,9 @@ const msgtxt : array[0..000315,1..240] of char=(
   'M*2Tembedded_Embedded'#010+
   'M*2Tlinux_Linux'#010+
   'P*2Taix_AIX'#010+
-  'P*2Tamiga_AmigaOS'#010+
+  'P*2Tamiga_AmigaO','S'#010+
   'P*2Tdarwin_Darwin/Mac OS X'#010+
-  'P*2Tlin','ux_Linux'#010+
+  'P*2Tlinux_Linux'#010+
   'P*2Tmacos_Mac OS (classic)'#010+
   'P*2Tmorphos_MorphOS'#010+
   'P*2Tnetbsd_NetBSD'#010+
@@ -1611,136 +1617,135 @@ const msgtxt : array[0..000315,1..240] of char=(
   'S*2Tsolaris_Solaris'#010+
   'S*2Tlinux_Linux'#010+
   'V*2Tembedded_Embedded'#010+
-  '**1u<x>_Undefines the symbol <x>'#010+
-  '**1U_Uni','t options:'#010+
+  '**1u<','x>_Undefines the symbol <x>'#010+
+  '**1U_Unit options:'#010+
   '**2Un_Do not check where the unit name matches the file name'#010+
   '**2Ur_Generate release unit files (never automatically recompiled)'#010+
   '**2Us_Compile a system unit'#010+
-  '**1v<x>_Be verbose. <x> is a combination of the following letters:'#010+
-  '**2*_e',' : Show errors (default)       0 : Show nothing (except errors'+
-  ')'#010+
+  '**1v<x>_Be verbose. <x> is a combinat','ion of the following letters:'#010+
+  '**2*_e : Show errors (default)       0 : Show nothing (except errors)'#010+
   '**2*_w : Show warnings               u : Show unit info'#010+
   '**2*_n : Show notes                  t : Show tried/used files'#010+
-  '**2*_h : Show hints                  c : Show conditional','s'#010+
+  '**2*_h : Show hints  ','                c : Show conditionals'#010+
   '**2*_i : Show general info           d : Show debug info'#010+
   '**2*_l : Show linenumbers            r : Rhide/GCC compatibility mode'#010+
   '**2*_s : Show time stamps            q : Show message numbers'#010+
-  '**2*_a : Show everything             x : Show inf','o about invoked too'+
+  '**2*_a : Show',' everything             x : Show info about invoked too'+
   'ls'#010+
   '**2*_b : Write file names messages   p : Write tree.log with parse tre'+
   'e'#010+
   '**2*_    with full path              v : Write fpcdebug.txt with'#010+
-  '**2*_z : Write output to stderr          lots of debugging info'#010+
-  '**2*_m<x>,<y> : D','o not show messages numbered <x> and <y>'#010+
+  '**2*_z : Write output to stderr          lots',' of debugging info'#010+
+  '**2*_m<x>,<y> : Do not show messages numbered <x> and <y>'#010+
   'F*1V<x>_Append '#039'-<x>'#039' to the used compiler binary name (e.g. f'+
   'or version)'#010+
   '**1W<x>_Target-specific options (targets)'#010+
-  '3*2WA_Specify native type application (Windows)'#010+
-  '4*2WA_Specify native type applicati','on (Windows)'#010+
+  '3*2WA_Specify native type application (Windows)',#010+
+  '4*2WA_Specify native type application (Windows)'#010+
   'A*2WA_Specify native type application (Windows)'#010+
   '3*2Wb_Create a bundle instead of a library (Darwin)'#010+
   'P*2Wb_Create a bundle instead of a library (Darwin)'#010+
-  'p*2Wb_Create a bundle instead of a library (Darwin)'#010+
-  'a*2Wb_Create a bundle i','nstead of a library (Darwin)'#010+
+  'p*2Wb_Create a bundle instead of a libr','ary (Darwin)'#010+
+  'a*2Wb_Create a bundle instead of a library (Darwin)'#010+
   'A*2Wb_Create a bundle instead of a library (Darwin)'#010+
   '4*2Wb_Create a bundle instead of a library (Darwin)'#010+
   '3*2WB_Create a relocatable image (Windows, Symbian)'#010+
-  '3*2WBxxxx_Set image base to xxxx (Windows, Symbian)'#010+
-  '4*2','WB_Create a relocatable image (Windows)'#010+
+  '3*2WBxxxx_Set image',' base to xxxx (Windows, Symbian)'#010+
+  '4*2WB_Create a relocatable image (Windows)'#010+
   '4*2WBxxxx_Set image base to xxxx (Windows)'#010+
   'A*2WB_Create a relocatable image (Windows, Symbian)'#010+
   'A*2WBxxxx_Set image base to xxxx (Windows, Symbian)'#010+
-  '3*2WC_Specify console type application (EMX, OS/2, Wi','ndows)'#010+
+  '3*2WC_Specify con','sole type application (EMX, OS/2, Windows)'#010+
   '4*2WC_Specify console type application (Windows)'#010+
   'A*2WC_Specify console type application (Windows)'#010+
   'P*2WC_Specify console type application (Classic Mac OS)'#010+
-  '3*2WD_Use DEFFILE to export functions of DLL or EXE (Windows)'#010+
-  '4*2WD_Use DEFFILE',' to export functions of DLL or EXE (Windows)'#010+
+  '3*2WD_Use DEFFILE to export functions of DL','L or EXE (Windows)'#010+
+  '4*2WD_Use DEFFILE to export functions of DLL or EXE (Windows)'#010+
   'A*2WD_Use DEFFILE to export functions of DLL or EXE (Windows)'#010+
   '3*2We_Use external resources (Darwin)'#010+
   '4*2We_Use external resources (Darwin)'#010+
-  'a*2We_Use external resources (Darwin)'#010+
-  'A*2We_Use external ','resources (Darwin)'#010+
+  'a*2We_Use external re','sources (Darwin)'#010+
+  'A*2We_Use external resources (Darwin)'#010+
   'P*2We_Use external resources (Darwin)'#010+
   'p*2We_Use external resources (Darwin)'#010+
   '3*2WF_Specify full-screen type application (EMX, OS/2)'#010+
-  '3*2WG_Specify graphic type application (EMX, OS/2, Windows)'#010+
-  '4*2WG_Specify graphic type app','lication (Windows)'#010+
+  '3*2WG_Specify graphic type application (EMX, OS/2, Win','dows)'#010+
+  '4*2WG_Specify graphic type application (Windows)'#010+
   'A*2WG_Specify graphic type application (Windows)'#010+
   'P*2WG_Specify graphic type application (Classic Mac OS)'#010+
   '3*2Wi_Use internal resources (Darwin)'#010+
   '4*2Wi_Use internal resources (Darwin)'#010+
-  'a*2Wi_Use internal resources (Darwin)'#010+
-  'A*','2Wi_Use internal resources (Darwin)'#010+
+  'a*2W','i_Use internal resources (Darwin)'#010+
+  'A*2Wi_Use internal resources (Darwin)'#010+
   'P*2Wi_Use internal resources (Darwin)'#010+
   'p*2Wi_Use internal resources (Darwin)'#010+
   '3*2WI_Turn on/off the usage of import sections (Windows)'#010+
-  '4*2WI_Turn on/off the usage of import sections (Windows)'#010+
-  'A*2WI_Turn on/','off the usage of import sections (Windows)'#010+
+  '4*2WI_Turn on/off the usage of impo','rt sections (Windows)'#010+
+  'A*2WI_Turn on/off the usage of import sections (Windows)'#010+
   '8*2Wm<x>_Set memory model'#010+
   '8*3WmTiny_Tiny memory model'#010+
   '8*3WmSmall_Small memory model (default)'#010+
   '8*3WmMedium_Medium memory model'#010+
   '8*3WmCompact_Compact memory model'#010+
-  '8*3WmLarge_Large memory model'#010+
-  '3*2WM<x','>_Minimum Mac OS X deployment version: 10.4, 10.5.1, ... (Dar'+
-  'win)'#010+
+  '8','*3WmLarge_Large memory model'#010+
+  '3*2WM<x>_Minimum Mac OS X deployment version: 10.4, 10.5.1, ... (Darwi'+
+  'n)'#010+
   '4*2WM<x>_Minimum Mac OS X deployment version: 10.4, 10.5.1, ... (Darwi'+
   'n)'#010+
-  'p*2WM<x>_Minimum Mac OS X deployment version: 10.4, 10.5.1, ... (Darwi'+
-  'n)'#010+
-  'P*2WM<x>_Minimum Mac OS X de','ployment version: 10.4, 10.5.1, ... (Dar'+
+  'p*2WM<x>_Minimum Mac OS X deployment version: 10.4, 10.5.1, ... (','Dar'+
   'win)'#010+
+  'P*2WM<x>_Minimum Mac OS X deployment version: 10.4, 10.5.1, ... (Darwi'+
+  'n)'#010+
   '3*2WN_Do not generate relocation code, needed for debugging (Windows)'#010+
   '4*2WN_Do not generate relocation code, needed for debugging (Windows)'#010+
-  'A*2WN_Do not generate relocation code, needed for debug','ging (Windows'+
+  'A*2WN_Do not genera','te relocation code, needed for debugging (Windows'+
   ')'#010+
   'A*2Wpxxxx_Specify the controller type; see fpc -i or fpc -iu for possi'+
   'ble values'#010+
   'm*2Wpxxxx_Specify the controller type; see fpc -i or fpc -iu for possi'+
   'ble values'#010+
-  'V*2Wpxxxx_Specify the controller type; see fpc -i or fpc -iu fo','r pos'+
+  'V*2Wpxxxx_Specify the contr','oller type; see fpc -i or fpc -iu for pos'+
   'sible values'#010+
   '3*2WP<x>_Minimum iOS deployment version: 3.0, 5.0.1, ... (iphonesim)'#010+
   '4*2WP<x>_Minimum iOS deployment version: 8.0, 8.0.2, ... (iphonesim)'#010+
-  'a*2WP<x>_Minimum iOS deployment version: 7.0, 7.1.2, ... (Darwin)'#010+
-  'A*2WP<x>_Minimum i','OS deployment version: 3.0, 5.0.1, ... (Darwin)'#010+
+  'a*2WP<x>_Minimum iOS deployment version: 7.0, 7.','1.2, ... (Darwin)'#010+
+  'A*2WP<x>_Minimum iOS deployment version: 3.0, 5.0.1, ... (Darwin)'#010+
   '3*2WR_Generate relocation code (Windows)'#010+
   '4*2WR_Generate relocation code (Windows)'#010+
   'A*2WR_Generate relocation code (Windows)'#010+
-  '8*2Wt<x>_Set the target executable format'#010+
-  '8*3Wtexe_Create a DOS .EXE ','file (default)'#010+
+  '8*2Wt<x>_Set the target executabl','e format'#010+
+  '8*3Wtexe_Create a DOS .EXE file (default)'#010+
   '8*3Wtcom_Create a DOS .COM file (requires tiny memory model)'#010+
   'P*2WT_Specify MPW tool type application (Classic Mac OS)'#010+
   '**2WX_Enable executable stack (Linux)'#010+
   '**1X_Executable options:'#010+
-  '**2Xc_Pass --shared/-dynamic to the linker (','BeOS, Darwin, FreeBSD, L'+
+  '**2Xc_Pa','ss --shared/-dynamic to the linker (BeOS, Darwin, FreeBSD, L'+
   'inux)'#010+
   '**2Xd_Do not search default library path (sometimes required for cross'+
   '-compiling when not using -XR)'#010+
   '**2Xe_Use external linker'#010+
-  '**2Xf_Substitute pthread library name for linking (BSD)'#010+
-  '**2Xg_Create debuginfo in a',' separate file and add a debuglink sectio'+
-  'n to executable'#010+
+  '**2Xf_Substitute pthread library name for linki','ng (BSD)'#010+
+  '**2Xg_Create debuginfo in a separate file and add a debuglink section '+
+  'to executable'#010+
   '**2XD_Try to link units dynamically      (defines FPC_LINK_DYNAMIC)'#010+
   '**2Xi_Use internal linker'#010+
   '**2XLA_Define library substitutions for linking'#010+
-  '**2XLO_Define order of library linking'#010+
-  '**','2XLD_Exclude default order of standard libraries'#010+
+  '**2XL','O_Define order of library linking'#010+
+  '**2XLD_Exclude default order of standard libraries'#010+
   '**2Xm_Generate link map'#010+
   '**2XM<x>_Set the name of the '#039'main'#039' program routine (default i'+
   's '#039'main'#039')'#010+
-  '**2Xn_Use target system native linker instead of GNU ld (Solaris, AIX)'+
-  #010+
-  'F*2Xp<x>_First search fo','r the compiler binary in the directory <x>'#010+
+  '**2Xn_Use target system native linker instead of GNU ld (So','laris, AI'+
+  'X)'#010+
+  'F*2Xp<x>_First search for the compiler binary in the directory <x>'#010+
   '**2XP<x>_Prepend the binutils names with the prefix <x>'#010+
   '**2Xr<x>_Set the linker'#039's rlink-path to <x> (needed for cross comp'+
-  'ile, see the ld manual for more information) (BeOS, Linux)'#010+
-  '**2XR<x>_Prepend',' <x> to all linker search paths (BeOS, Darwin, FreeB'+
-  'SD, Linux, Mac OS, Solaris)'#010+
+  'ile, see the ld manual for more informa','tion) (BeOS, Linux)'#010+
+  '**2XR<x>_Prepend <x> to all linker search paths (BeOS, Darwin, FreeBSD'+
+  ', Linux, Mac OS, Solaris)'#010+
   '**2Xs_Strip all symbols from executable'#010+
   '**2XS_Try to link units statically (default, defines FPC_LINK_STATIC)'#010+
-  '**2Xt_Link with static libraries (-static is passe','d to linker)'#010+
+  '**2Xt_Link wit','h static libraries (-static is passed to linker)'#010+
   '**2Xv_Generate table for Virtual Entry calls'#010+
   '**2XX_Try to smartlink units             (defines FPC_LINK_SMART)'#010+
   '**1*_'#010+
diff --git a/compiler/rautils.pas b/compiler/rautils.pas
index 67a47f8202..d17f2da98e 100644
--- a/compiler/rautils.pas
+++ b/compiler/rautils.pas
@@ -49,7 +49,7 @@ type
     case typ:TOprType of
       OPR_NONE      : ();
       OPR_CONSTANT  : (val:aint);
-      OPR_SYMBOL    : (symbol:tasmsymbol;symofs:aint);
+      OPR_SYMBOL    : (symbol:tasmsymbol;symofs:aint;symseg:boolean);
       OPR_REFERENCE : (varsize:asizeint; constoffset: asizeint; ref:treference);
       OPR_LOCAL     : (localvarsize, localconstoffset: asizeint;localsym:tabstractnormalvarsym;localsymofs:aint;localindexreg:tregister;localscale:byte;localgetoffset,localforceref:boolean);
       OPR_REGISTER  : (reg:tregister);
diff --git a/compiler/x86/aasmcpu.pas b/compiler/x86/aasmcpu.pas
index b18f514720..9afa5b4871 100644
--- a/compiler/x86/aasmcpu.pas
+++ b/compiler/x86/aasmcpu.pas
@@ -350,6 +350,9 @@ interface
          function is_same_reg_move(regtype: Tregistertype):boolean;override;
          { register spilling code }
          function spilling_get_operation_type(opnr: longint): topertype;override;
+{$ifdef i8086}
+         procedure loadsegsymbol(opidx:longint;s:tasmsymbol);
+{$endif i8086}
       private
          { next fields are filled in pass1, so pass2 is faster }
          insentry  : PInsEntry;
@@ -3538,6 +3541,17 @@ implementation
       end;
 
 
+{$ifdef i8086}
+    procedure taicpu.loadsegsymbol(opidx:longint;s:tasmsymbol);
+      var
+        r: treference;
+      begin
+        reference_reset_symbol(r,s,0,1);
+        r.refaddr:=addr_seg;
+        loadref(opidx,r);
+      end;
+{$endif i8086}
+
 {*****************************************************************************
                               Instruction table
 *****************************************************************************}
diff --git a/compiler/x86/rax86.pas b/compiler/x86/rax86.pas
index c8e1e6d700..cb0399f601 100644
--- a/compiler/x86/rax86.pas
+++ b/compiler/x86/rax86.pas
@@ -1164,7 +1164,12 @@ begin
        OPR_REGISTER:
          ai.loadreg(i-1,operands[i].opr.reg);
        OPR_SYMBOL:
-         ai.loadsymbol(i-1,operands[i].opr.symbol,operands[i].opr.symofs);
+{$ifdef i8086}
+        if operands[i].opr.symseg then
+          taicpu(ai).loadsegsymbol(i-1,operands[i].opr.symbol)
+        else
+{$endif i8086}
+          ai.loadsymbol(i-1,operands[i].opr.symbol,operands[i].opr.symofs);
        OPR_LOCAL :
          with operands[i].opr do
            ai.loadlocal(i-1,localsym,localsymofs,localindexreg,
diff --git a/compiler/x86/rax86int.pas b/compiler/x86/rax86int.pas
index b0c9d9de48..79db0f2c89 100644
--- a/compiler/x86/rax86int.pas
+++ b/compiler/x86/rax86int.pas
@@ -63,7 +63,7 @@ Unit Rax86int;
          function consume(t : tasmtoken):boolean;
          procedure RecoverConsume(allowcomma:boolean);
          procedure BuildRecordOffsetSize(const expr: string;var offset:aint;var size:aint; var mangledname: string; needvmtofs: boolean);
-         procedure BuildConstSymbolExpression(needofs,isref,startingminus:boolean;var value:aint;var asmsym:string;var asmsymtyp:TAsmsymtype);
+         procedure BuildConstSymbolExpression(needofs,isref,startingminus:boolean;var value:aint;var asmsym:string;var asmsymtyp:TAsmsymtype;out isseg:boolean);
          function BuildConstExpression:aint;
          function BuildRefConstExpression(startingminus:boolean=false):aint;
          procedure BuildReference(oper : tx86operand);
@@ -762,7 +762,7 @@ Unit Rax86int;
       end;
 
 
-    Procedure tx86intreader.BuildConstSymbolExpression(needofs,isref,startingminus:boolean;var value:aint;var asmsym:string;var asmsymtyp:TAsmsymtype);
+    Procedure tx86intreader.BuildConstSymbolExpression(needofs,isref,startingminus:boolean;var value:aint;var asmsym:string;var asmsymtyp:TAsmsymtype;out isseg:boolean);
       var
         tempstr,expr,hs,mangledname : string;
         parenlevel : longint;
@@ -781,6 +781,7 @@ Unit Rax86int;
         value:=0;
         asmsym:='';
         asmsymtyp:=AT_DATA;
+        isseg:=false;
         errorflag:=FALSE;
         tempstr:='';
         expr:='';
@@ -874,6 +875,15 @@ Unit Rax86int;
                 expr:=expr + actasmpattern;
                 Consume(AS_INTNUM);
               end;
+{$ifdef i8086}
+            AS_SEG:
+              begin
+                isseg:=true;
+                Consume(actasmtoken);
+                if actasmtoken<>AS_ID then
+                 Message(asmr_e_seg_without_identifier);
+              end;
+{$endif i8086}
             AS_VMTOFFSET,
             AS_OFFSET:
               begin
@@ -1134,8 +1144,9 @@ Unit Rax86int;
         l : aint;
         hs : string;
         hssymtyp : TAsmsymtype;
+        isseg : boolean;
       begin
-        BuildConstSymbolExpression(false,false,false,l,hs,hssymtyp);
+        BuildConstSymbolExpression(false,false,false,l,hs,hssymtyp,isseg);
         if hs<>'' then
          Message(asmr_e_relocatable_symbol_not_allowed);
         BuildConstExpression:=l;
@@ -1147,8 +1158,9 @@ Unit Rax86int;
         l : aint;
         hs : string;
         hssymtyp : TAsmsymtype;
+        isseg : boolean;
       begin
-        BuildConstSymbolExpression(false,true,startingminus,l,hs,hssymtyp);
+        BuildConstSymbolExpression(false,true,startingminus,l,hs,hssymtyp,isseg);
         if hs<>'' then
          Message(asmr_e_relocatable_symbol_not_allowed);
         BuildRefConstExpression:=l;
@@ -1166,6 +1178,7 @@ Unit Rax86int;
         GotStar,GotOffset,HadVar,
         GotPlus,Negative : boolean;
         hl : tasmlabel;
+        isseg: boolean;
       Begin
         Consume(AS_LBRACKET);
         if not(oper.opr.typ in [OPR_LOCAL,OPR_REFERENCE]) then
@@ -1478,7 +1491,7 @@ Unit Rax86int;
               begin
                 if not GotPlus and not GotStar then
                   Message(asmr_e_invalid_reference_syntax);
-                BuildConstSymbolExpression(true,true,GotPlus and negative,l,tempstr,tempsymtyp);
+                BuildConstSymbolExpression(true,true,GotPlus and negative,l,tempstr,tempsymtyp,isseg);
                 { already handled by BuildConstSymbolExpression(); must be
                   handled there to avoid [reg-1+1] being interpreted as
                   [reg-(1+1)] }
@@ -1489,7 +1502,13 @@ Unit Rax86int;
                    if GotStar then
                     Message(asmr_e_only_add_relocatable_symbol);
                    if not assigned(oper.opr.ref.symbol) then
-                    oper.opr.ref.symbol:=current_asmdata.RefAsmSymbol(tempstr)
+                     begin
+                       oper.opr.ref.symbol:=current_asmdata.RefAsmSymbol(tempstr);
+{$ifdef i8086}
+                       if isseg then
+                         oper.opr.ref.refaddr:=addr_seg;
+{$endif i8086}
+                     end
                    else
                     Message(asmr_e_cant_have_multiple_relocatable_symbols);
                  end;
@@ -1557,15 +1576,17 @@ Unit Rax86int;
         l : aint;
         tempstr : string;
         tempsymtyp : tasmsymtype;
+        isseg: boolean;
       begin
         if not (oper.opr.typ in [OPR_NONE,OPR_CONSTANT]) then
           Message(asmr_e_invalid_operand_type);
-        BuildConstSymbolExpression(true,false,false,l,tempstr,tempsymtyp);
+        BuildConstSymbolExpression(true,false,false,l,tempstr,tempsymtyp,isseg);
         if tempstr<>'' then
           begin
             oper.opr.typ:=OPR_SYMBOL;
             oper.opr.symofs:=l;
             oper.opr.symbol:=current_asmdata.RefAsmSymbol(tempstr);
+            oper.opr.symseg:=isseg;
           end
         else
           if oper.opr.typ=OPR_NONE then
@@ -1669,6 +1690,15 @@ Unit Rax86int;
            end;
 
           case actasmtoken of
+{$ifndef i8086}
+            AS_SEG :
+              Begin
+                Message(asmr_e_seg_not_supported);
+                Consume(actasmtoken);
+              end;
+{$else not i8086}
+            AS_SEG,
+{$endif not i8086}
             AS_OFFSET,
             AS_SIZEOF,
             AS_VMTOFFSET,
@@ -1891,12 +1921,6 @@ Unit Rax86int;
                 BuildReference(oper);
               end;
 
-            AS_SEG :
-              Begin
-                Message(asmr_e_seg_not_supported);
-                Consume(actasmtoken);
-              end;
-
             AS_DWORD,
             AS_BYTE,
             AS_WORD,
@@ -2189,6 +2213,7 @@ Unit Rax86int;
         asmsym,
         expr: string;
         value : aint;
+        isseg: boolean;
       Begin
         Repeat
           Case actasmtoken of
@@ -2219,12 +2244,17 @@ Unit Rax86int;
             AS_INTNUM,
             AS_ID :
               Begin
-                BuildConstSymbolExpression(false,false,false,value,asmsym,asmsymtyp);
+                BuildConstSymbolExpression(false,false,false,value,asmsym,asmsymtyp,isseg);
                 if asmsym<>'' then
                  begin
                    if constsize<>sizeof(pint) then
                      Message1(asmr_w_const32bit_for_address,asmsym);
-                   ConcatConstSymbol(curlist,asmsym,asmsymtyp,value)
+{$ifdef i8086}
+                   if isseg then
+                     curlist.concat(Tai_const.Create_seg_name(asmsym))
+                   else
+{$endif i8086}
+                     ConcatConstSymbol(curlist,asmsym,asmsymtyp,value);
                  end
                 else
                  ConcatConstant(curlist,value,constsize);