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* simplified sse conversion code

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git-svn-id: trunk@3905 -
This commit is contained in:
peter 2006-06-20 22:29:31 +00:00
parent 34d33a1c81
commit 56e56d0bd6
1 changed files with 24 additions and 44 deletions
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68
compiler/x86/nx86cnv.pas
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@ -204,6 +204,14 @@ implementation
{$ifdef x86_64}
if use_sse(resulttype.def) then
begin
{ We can only directly convert s32bit and s64bit,u64bit values, for other
values convert first to s64bit }
if not(torddef(left.resulttype.def).typ in [s32bit,s64bit,u64bit]) then
begin
hreg:=cg.getintregister(current_asmdata.CurrAsmList,OS_S64);
location_force_reg(current_asmdata.CurrAsmList,left.location,OS_S64,false);
end;
if is_double(resulttype.def) then
op:=A_CVTSI2SD
else if is_single(resulttype.def) then
@ -213,17 +221,6 @@ implementation
location_reset(location,LOC_MMREGISTER,def_cgsize(resulttype.def));
location.register:=cg.getmmregister(current_asmdata.CurrAsmList,def_cgsize(resulttype.def));
if (left.location.loc=LOC_REGISTER) and (torddef(left.resulttype.def).typ=u64bit) then
begin
{$ifdef cpu64bit}
emit_const_reg(A_BT,S_Q,63,left.location.register);
{$else cpu64bit}
emit_const_reg(A_BT,S_L,31,left.location.register64.reghi);
{$endif cpu64bit}
signtested:=true;
end
else
signtested:=false;
case torddef(left.resulttype.def).typ of
u64bit:
@ -235,7 +232,10 @@ implementation
current_asmdata.getdatalabel(l1);
current_asmdata.getjumplabel(l2);
if not(signtested) then
{ Get sign bit }
if (left.location.loc=LOC_REGISTER) then
emit_const_reg(A_BT,S_Q,63,left.location.register)
else
begin
inc(left.location.reference.offset,4);
emit_const_ref(A_BT,S_L,31,left.location.reference);
@ -272,38 +272,18 @@ implementation
end
else
begin
if (left.resulttype.def.size=4) and not(torddef(left.resulttype.def).typ=u32bit) then
begin
case left.location.loc of
LOC_CREFERENCE,
LOC_REFERENCE :
current_asmdata.CurrAsmList.concat(Taicpu.op_ref_reg(op,S_L,left.location.reference,location.register));
LOC_CREGISTER,
LOC_REGISTER :
current_asmdata.CurrAsmList.concat(Taicpu.op_reg_reg(op,S_L,left.location.register,location.register));
else
internalerror(200506072);
end;
end
else if left.resulttype.def.size=8 then
begin
case left.location.loc of
LOC_CREFERENCE,
LOC_REFERENCE :
current_asmdata.CurrAsmList.concat(Taicpu.op_ref_reg(op,S_Q,left.location.reference,location.register));
LOC_CREGISTER,
LOC_REGISTER :
current_asmdata.CurrAsmList.concat(Taicpu.op_reg_reg(op,S_Q,left.location.register,location.register));
else
internalerror(200506073);
end;
end
else
begin
hreg:=cg.getintregister(current_asmdata.CurrAsmList,OS_64);
cg.a_load_loc_reg(current_asmdata.CurrAsmList,OS_64,left.location,hreg);
current_asmdata.CurrAsmList.concat(Taicpu.Op_reg_reg(op,S_NO,hreg,location.register));
end
if not(left.location.size in [OS_S32,OS_S64]) then
internalerror(200506073);
case left.location.loc of
LOC_CREFERENCE,
LOC_REFERENCE :
current_asmdata.CurrAsmList.concat(Taicpu.op_ref_reg(op,tcgsize2opsize[left.location.size],left.location.reference,location.register));
LOC_CREGISTER,
LOC_REGISTER :
current_asmdata.CurrAsmList.concat(Taicpu.op_reg_reg(op,tcgsize2opsize[left.location.size],left.location.register,location.register));
else
internalerror(200506072);
end;
end;
end;
end