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+ allow call ref on x86 for references that don't contain any registers, as the register allocator doesn't fail on them, if all registers are allocated

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git-svn-id: trunk@32286 -
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nickysn 2015-11-11 15:58:10 +00:00
parent ef2c6065b6
commit 9de7830c8c
1 changed files with 2 additions and 1 deletions
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3
compiler/x86/nx86cal.pas
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@ -90,7 +90,8 @@ implementation
tcgx86(cg).make_simple_ref(current_asmdata.CurrAsmList,ref);
{ do not use a ref. for calling conventions which allocate all registers, the reg. allocator cannot handle this, see
also issue #28639, I were not able to create a simple example though to cause the resulting endless spilling }
result:=not(procdefinition.proccalloption in [pocall_far16,pocall_pascal,pocall_oldfpccall]);
result:=((ref.base=NR_NO) and (ref.index=NR_NO)) or
not(procdefinition.proccalloption in [pocall_far16,pocall_pascal,pocall_oldfpccall]);
end;