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* match the label to the wider block, if it is adjacent to both the brevious

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and the next instruction
This commit is contained in:
Nikolay Nikolov 2021-10-20 14:29:08 +03:00
parent c96e203780
commit 4e3a6aa5a8
1 changed files with 10 additions and 17 deletions
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23
compiler/wasm32/cpupi.pas
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@ -440,23 +440,16 @@ implementation
begin begin
lbl:=tai_label(hp); lbl:=tai_label(hp);
lbl.labsym.nestingdepth:=-1; lbl.labsym.nestingdepth:=-1;
{ first, try to match label to the previous instruction }
if assigned(lastinstr) then
begin
if lastinstr.opcode=a_loop then
lbl.labsym.nestingdepth:=cur_nesting_depth
else if lastinstr.opcode in [a_end_block,a_end_try,a_end_if] then
lbl.labsym.nestingdepth:=cur_nesting_depth+1;
end;
{ if not matched, try to match it to the next instruction }
if lbl.labsym.nestingdepth=-1 then
begin
nextinstr:=FindNextInstruction(hp); nextinstr:=FindNextInstruction(hp);
if nextinstr.opcode=a_loop then
if assigned(nextinstr) and (nextinstr.opcode in [a_end_block,a_end_try,a_end_if]) then
lbl.labsym.nestingdepth:=cur_nesting_depth
else if assigned(lastinstr) and (lastinstr.opcode=a_loop) then
lbl.labsym.nestingdepth:=cur_nesting_depth
else if assigned(lastinstr) and (lastinstr.opcode in [a_end_block,a_end_try,a_end_if]) then
lbl.labsym.nestingdepth:=cur_nesting_depth+1 lbl.labsym.nestingdepth:=cur_nesting_depth+1
else if nextinstr.opcode in [a_end_block,a_end_try,a_end_if] then else if assigned(nextinstr) and (nextinstr.opcode=a_loop) then
lbl.labsym.nestingdepth:=cur_nesting_depth; lbl.labsym.nestingdepth:=cur_nesting_depth+1;
end;
end; end;
else else
; ;