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* fixed bug in secondshlshr where ecx was released too soon in some

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cases causing a combination of -Or and -dnewoptimizations to generate
    wrong code
    (merged from fixes branch and since in 1.1 -dnewoptimizations has
    been released, it always generated wrong code here when using -O2 or
    higher)
This commit is contained in:
Jonas Maebe 2000-07-28 13:28:25 +00:00
parent afec990176
commit e1226b074f
1 changed files with 13 additions and 3 deletions
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16
compiler/cg386mat.pas
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@ -472,7 +472,8 @@ implementation
emit_reg_reg(A_MOV,S_L,hregister2,R_ECX);
end;
ungetregister32(hregister2);
if hregister2 <> R_ECX then
ungetregister32(hregister2);
{ the damned shift instructions work only til a count of 32 }
{ so we've to do some tricks here }
@ -532,7 +533,8 @@ implementation
{ maybe put ECX back }
if popecx then
emit_reg(A_POP,S_L,R_ECX);
emit_reg(A_POP,S_L,R_ECX)
else ungetregister32(R_ECX);
p^.location.registerlow:=hregisterlow;
p^.location.registerhigh:=hregisterhigh;
@ -986,7 +988,15 @@ implementation
end.
{
$Log$
Revision 1.3 2000-07-14 05:11:48 michael
Revision 1.4 2000-07-28 13:28:25 jonas
* fixed bug in secondshlshr where ecx was released too soon in some
cases causing a combination of -Or and -dnewoptimizations to generate
wrong code
(merged from fixes branch and since in 1.1 -dnewoptimizations has
been released, it always generated wrong code here when using -O2 or
higher)
Revision 1.3 2000/07/14 05:11:48 michael
+ Patch to 1.1
Revision 1.2 2000/07/13 11:32:35 michael