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* added type check for or/test x,x

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* added size check for mov,mov,mov optimizes
This commit is contained in:
peter 1999-03-29 16:02:50 +00:00
parent 09b63b2aa2
commit b549e55a00
1 changed files with 15 additions and 6 deletions
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21
compiler/popt386.pas
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@ -757,8 +757,8 @@ Begin
Else
If (Pai386(p)^.op1t = top_reg) And
(Pai386(p)^.op2t = top_ref) And
(Pai386(p)^.opsize = Pai386(hp1)^.opsize) And
(Pai386(hp1)^.opcode = A_CMP) And
(Pai386(hp1)^.opsize = Pai386(p)^.opsize) And
(Pai386(hp1)^.op2t = top_ref) And
RefsEqual(TReference(Pai386(p)^.op2^),
TReference(Pai386(hp1)^.op2^))
@ -772,7 +772,8 @@ Begin
{ Next instruction is also a MOV ? }
If GetNextInstruction(p, hp1) And
(pai(hp1)^.typ = ait_instruction) and
(Pai386(hp1)^.opcode = A_MOV)
(Pai386(hp1)^.opcode = A_MOV) and
(Pai386(hp1)^.opsize = Pai386(p)^.opsize)
Then
Begin
If (Pai386(hp1)^.op1t = Pai386(p)^.op2t) and
@ -812,6 +813,7 @@ Begin
GetNextInstruction(hp1, hp2) And
(hp2^.typ = ait_instruction) And
(Pai386(hp2)^.opcode = A_CMP) And
(Pai386(hp2)^.opsize = Pai386(p)^.opsize) and
(Pai386(hp2)^.Op1t = TOp_Ref) And
(Pai386(hp2)^.Op2t = TOp_Reg) And
RefsEqual(TReference(Pai386(hp2)^.Op1^),
@ -843,12 +845,13 @@ Begin
(Pai386(hp1)^.op2t = top_ref) And
(Pai(hp2)^.typ = ait_instruction) And
(Pai386(hp2)^.opcode = A_MOV) And
(Pai386(hp2)^.opsize = Pai386(p)^.opsize) and
(Pai386(hp2)^.op2t = top_reg) And
(Pai386(hp2)^.op1t = top_ref) And
RefsEqual(TReference(Pai386(hp2)^.op1^),
TReference(Pai386(hp1)^.op2^))
Then
If (TRegister(Pai386(p)^.op2) = R_EDI)
If (TRegister(Pai386(p)^.op2) in [R_DI,R_EDI])
Then
{ mov mem1, %edi
mov %edi, mem2
@ -1441,7 +1444,8 @@ Begin
Case Pai386(hp1)^.opcode Of
A_ADD, A_SUB, A_OR, A_XOR, A_AND, A_SHL, A_SHR:
Begin
If (Pai386(hp1)^.op2 = Pai386(p)^.op1) Then
If (Pai386(hp1)^.op2 = Pai386(p)^.op1) and
(Pai386(hp1)^.op1t = pai386(p)^.op1t) Then
Begin
hp1 := pai(p^.next);
asml^.remove(p);
@ -1452,7 +1456,8 @@ Begin
End;
A_DEC, A_INC, A_NEG:
Begin
If (Pai386(hp1)^.op1 = Pai386(p)^.op1) Then
If (Pai386(hp1)^.op2 = Pai386(p)^.op1) and
(Pai386(hp1)^.op1t = pai386(p)^.op1t) Then
Begin
Case Pai386(hp1)^.opcode Of
A_DEC, A_INC:
@ -1609,7 +1614,11 @@ End.
{
$Log$
Revision 1.39 1999-02-26 00:48:22 peter
Revision 1.40 1999-03-29 16:02:50 peter
* added type check for or/test x,x
* added size check for mov,mov,mov optimizes
Revision 1.39 1999/02/26 00:48:22 peter
* assembler writers fixed for ag386bin
Revision 1.38 1999/02/25 21:02:44 peter