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+ added check for the compatibility of each instruction with the selected target

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cpu in the i8086's internal obj writer

git-svn-id: trunk@32888 -
This commit is contained in:
nickysn 2016-01-08 16:44:28 +00:00
parent e877bae4fc
commit e6ac1a4af5
1 changed files with 42 additions and 0 deletions
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42
compiler/x86/aasmcpu.pas
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@ -2699,6 +2699,48 @@ implementation
currrelreloc:=RELOC_NONE;
currval:=0;
{ check instruction's processor level }
{ todo: maybe adapt and enable this code for i386 and x86_64 as well }
{$ifdef i8086}
case insentry^.flags and IF_PLEVEL of
IF_8086:
;
IF_186:
if current_settings.cputype<cpu_186 then
Message(asmw_e_instruction_not_supported_by_cpu);
IF_286:
if current_settings.cputype<cpu_286 then
Message(asmw_e_instruction_not_supported_by_cpu);
IF_386:
if current_settings.cputype<cpu_386 then
Message(asmw_e_instruction_not_supported_by_cpu);
IF_486,
IF_PENT:
if current_settings.cputype<cpu_Pentium then
Message(asmw_e_instruction_not_supported_by_cpu);
IF_P6:
if current_settings.cputype<cpu_Pentium2 then
Message(asmw_e_instruction_not_supported_by_cpu);
IF_KATMAI:
if current_settings.cputype<cpu_Pentium3 then
Message(asmw_e_instruction_not_supported_by_cpu);
IF_WILLAMETTE,
IF_PRESCOTT:
if current_settings.cputype<cpu_Pentium4 then
Message(asmw_e_instruction_not_supported_by_cpu);
{ the NEC V20/V30 extensions are incompatible with 386+, due to overlapping opcodes }
IF_NEC:
if current_settings.cputype>=cpu_386 then
Message(asmw_e_instruction_not_supported_by_cpu);
{ todo: handle these properly }
IF_CYRIX,
IF_AMD,
IF_CENTAUR,
IF_SANDYBRIDGE:
;
end;
{$endif i8086}
{ load data to write }
codes:=insentry^.code;
{$ifdef x86_64}