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* first (modified, added a comment) patch by Rika to improve generic Index*, part of #39996

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florian 2022-11-17 23:10:00 +01:00
parent 5e0eb521c4
commit c1ec558d0a
1 changed files with 12 additions and 6 deletions
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18
rtl/inc/generic.inc
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@ -358,7 +358,8 @@ begin
begin begin
if unaligned(psrc^)=b then if unaligned(psrc^)=b then
begin begin
result:=psrc-pword(@buf); { the result is always >=0 so avoid handling of negative values }
result:=PtrUint(pointer(psrc)-pointer(@buf)) div sizeof(word);
exit; exit;
end; end;
inc(psrc); inc(psrc);
@ -369,7 +370,8 @@ begin
begin begin
if psrc^=b then if psrc^=b then
begin begin
result:=psrc-pword(@buf); { the result is always >=0 so avoid handling of negative values }
result:=PtrUint(pointer(psrc)-pointer(@buf)) div sizeof(word);
exit; exit;
end; end;
inc(psrc); inc(psrc);
@ -399,7 +401,8 @@ begin
begin begin
if unaligned(psrc^)=b then if unaligned(psrc^)=b then
begin begin
result:=psrc-pdword(@buf); { the result is always >=0 so avoid handling of negative values }
result:=PtrUint(pointer(psrc)-pointer(@buf)) div sizeof(DWord);
exit; exit;
end; end;
inc(psrc); inc(psrc);
@ -410,7 +413,8 @@ begin
begin begin
if psrc^=b then if psrc^=b then
begin begin
result:=psrc-pdword(@buf); { the result is always >=0 so avoid handling of negative values }
result:=PtrUint(pointer(psrc)-pointer(@buf)) div sizeof(DWord);
exit; exit;
end; end;
inc(psrc); inc(psrc);
@ -440,7 +444,8 @@ begin
begin begin
if unaligned(psrc^)=b then if unaligned(psrc^)=b then
begin begin
result:=psrc-pqword(@buf); { the result is always >=0 so avoid handling of negative values }
result:=PtrUint(pointer(psrc)-pointer(@buf)) div sizeof(QWord);
exit; exit;
end; end;
inc(psrc); inc(psrc);
@ -451,7 +456,8 @@ begin
begin begin
if psrc^=b then if psrc^=b then
begin begin
result:=psrc-pqword(@buf); { the result is always >=0 so avoid handling of negative values }
result:=PtrUint(pointer(psrc)-pointer(@buf)) div sizeof(QWord);
exit; exit;
end; end;
inc(psrc); inc(psrc);