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* handling spilling of (v)movq/(v)movd properly if the mm register is replaced by a memory reference

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florian 2025-05-04 15:22:51 +02:00
parent 5cf2fac78c
commit 79708f45ab
1 changed files with 18 additions and 0 deletions
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18
compiler/x86/rgx86.pas
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@ -418,6 +418,24 @@ implementation
{ Replace register with spill reference }
if replaceoper<>-1 then
begin
if replaceoper=0 then
begin
{$ifdef x86_64}
{ if an mm register => int register (v)movq is converted, replace it by MOV with opsize Q }
if ((opcode=A_MOVQ) or (opcode=A_VMOVQ)) and (oper[0]^.typ=top_reg) and (oper[1]^.typ=top_reg) and (getregtype(oper[1]^.reg)=R_INTREGISTER) then
begin
opcode:=A_MOV;
opsize:=S_Q;
end;
{$endif x86_64}
{ if an mm register => int register (v)movd is converted, replace it by MOV with opsize L }
if ((opcode=A_MOVD) or (opcode=A_VMOVD)) and (oper[0]^.typ=top_reg) and (oper[1]^.typ=top_reg) and (getregtype(oper[1]^.reg)=R_INTREGISTER) then
begin
opcode:=A_MOV;
opsize:=S_L;
end;
end;
if opcode=A_LEA then
begin
opcode:=A_ADD;