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* improve heuristics for copy_move vs. copy_string when optimizing for size, #20664

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git-svn-id: trunk@19758 -
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florian 2011-12-04 21:18:56 +00:00
parent aa529b0705
commit 60cccdcdbd
1 changed files with 2 additions and 1 deletions
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compiler/x86/cgx86.pas
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@ -1826,7 +1826,8 @@ unit cgx86;
if (len>helpsize) then
cm:=copy_string;
if (cs_opt_size in current_settings.optimizerswitches) and
not((len<=16) and (cm=copy_mmx)) then
not((len<=16) and (cm=copy_mmx)) and
not(len in [1,2,4{$ifdef x86_64},8{$endif x86_64}]) then
cm:=copy_string;
if (source.segment<>NR_NO) or
(dest.segment<>NR_NO) then