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+ take into account the fact that lea doesn't read the segment register of its

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reference in i386's TCpuAsmOptimizer.RegReadByInstruction

git-svn-id: trunk@36080 -
This commit is contained in:
nickysn 2017-05-04 14:13:53 +00:00
parent e10f184b74
commit 0cd70844f1
1 changed files with 5 additions and 0 deletions
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5
compiler/i386/aoptcpu.pas
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@ -190,6 +190,11 @@ unit aoptcpu;
end; end;
else else
begin begin
if (p.opcode=A_LEA) and is_segment_reg(reg) then
begin
RegReadByInstruction := false;
exit;
end;
for opcount := 0 to p.ops-1 do for opcount := 0 to p.ops-1 do
if (p.oper[opCount]^.typ = top_ref) and if (p.oper[opCount]^.typ = top_ref) and
RegInRef(reg,p.oper[opcount]^.ref^) then RegInRef(reg,p.oper[opcount]^.ref^) then