paweld/fpc
1
0
Fork 0
mirror of https://gitlab.com/freepascal.org/fpc/source.git synced 2025-05-16 17:02:46 +02:00
Code Issues Packages Projects Releases Wiki Activity

+ print info about the registers, in which new values are written (as reported

Browse Source 
by RegLoadedWithNewValue), when DEBUG_INSTRUCTIONREGISTERDEPENDENCIES is
  defined

git-svn-id: trunk@35996 -
This commit is contained in:
nickysn 2017-04-28 13:14:12 +00:00
parent 66c350d8d2
commit a9617b623f
1 changed files with 21 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
compiler/aoptobj.pas
View File

@ -1584,6 +1584,7 @@ Unit AoptObj;
ri: tregisterindex; ri: tregisterindex;
reg: TRegister; reg: TRegister;
commentstr: AnsiString; commentstr: AnsiString;
registers_found: Boolean;
begin begin
p:=tai(AsmL.First); p:=tai(AsmL.First);
while (p<>AsmL.Last) Do while (p<>AsmL.Last) Do
@ -1591,12 +1592,31 @@ Unit AoptObj;
if p.typ=ait_instruction then if p.typ=ait_instruction then
begin begin
commentstr:='Instruction reads'; commentstr:='Instruction reads';
registers_found:=false;
for ri in tregisterindex do for ri in tregisterindex do
begin begin
reg:=regnumber_table[ri]; reg:=regnumber_table[ri];
if (reg<>NR_NO) and InstructionLoadsFromReg(reg,p) then if (reg<>NR_NO) and InstructionLoadsFromReg(reg,p) then
commentstr:=commentstr+' '+std_regname(reg); begin
commentstr:=commentstr+' '+std_regname(reg);
registers_found:=true;
end;
end; end;
if not registers_found then
commentstr:=commentstr+' no registers';
commentstr:=commentstr+' and writes new values in';
registers_found:=false;
for ri in tregisterindex do
begin
reg:=regnumber_table[ri];
if (reg<>NR_NO) and RegLoadedWithNewValue(reg,p) then
begin
commentstr:=commentstr+' '+std_regname(reg);
registers_found:=true;
end;
end;
if not registers_found then
commentstr:=commentstr+' no registers';
AsmL.InsertAfter(tai_comment.Create(strpnew(commentstr)),p); AsmL.InsertAfter(tai_comment.Create(strpnew(commentstr)),p);
end; end;
p:=tai(p.next); p:=tai(p.next);