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* workaround for bug in Apple's assembler regarding movq/vmovq and integer

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registers

git-svn-id: trunk@25396 -
This commit is contained in:
Jonas Maebe 2013-09-02 14:39:26 +00:00
parent 0b30b0913d
commit 1a78ec1f11
3 changed files with 62 additions and 0 deletions
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1
.gitattributes vendored
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@ -9978,6 +9978,7 @@ tests/tbs/tb0595.pp svneol=native#text/plain
tests/tbs/tb0596.pp svneol=native#text/pascal
tests/tbs/tb0597.pp svneol=native#text/plain
tests/tbs/tb0598.pp svneol=native#text/plain
tests/tbs/tb0599.pp svneol=native#text/plain
tests/tbs/tb205.pp svneol=native#text/plain
tests/tbs/tbs0594.pp svneol=native#text/pascal
tests/tbs/ub0060.pp svneol=native#text/plain

21
compiler/x86/agx86att.pas
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@ -53,6 +53,8 @@ interface
procedure WriteOper_jmp(const o:toper);
protected
fskipPopcountSuffix: boolean;
{ http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56656 }
fNoInterUnitMovQ: boolean;
public
procedure WriteInstruction(hp: tai);override;
end;
@ -90,6 +92,8 @@ interface
InstrWriter := Tx86InstrWriter.create(self);
{ Apple's assembler does not support a size suffix for popcount }
Tx86InstrWriter(InstrWriter).fskipPopcountSuffix := true;
{ Apple's assembler is broken regarding some movq suffix handling }
Tx86InstrWriter(InstrWriter).fNoInterUnitMovQ := true;
end;
{****************************************************************************
@ -293,6 +297,23 @@ interface
end;
end;
{$endif x86_64}
{ see fNoInterUnitMovQ declaration comment }
if fNoInterUnitMovQ then
begin
if ((op=A_MOVQ) or
(op=A_VMOVQ)) and
(((taicpu(hp).oper[0]^.typ=top_reg) and
(getregtype(taicpu(hp).oper[0]^.reg)=R_INTREGISTER)) or
((taicpu(hp).oper[1]^.typ=top_reg) and
(getregtype(taicpu(hp).oper[1]^.reg)=R_INTREGISTER))) then
begin
if op=A_MOVQ then
op:=A_MOVD
else
op:=A_VMOVD;
taicpu(hp).opcode:=op;
end;
end;
owner.AsmWrite(#9);
{ movsd should not be translated to movsl when there
are (xmm) arguments }

40
tests/tbs/tb0599.pp Normal file
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@ -0,0 +1,40 @@
{$mode delphi}
type
TVector2=record
case byte of
0:(x,y:single);
1:(u,v:single);
2:(s,t:single);
3:(xy:array[0..1] of single);
4:(uv:array[0..1] of single);
5:(st:array[0..1] of single);
end;
function Vector2Length(const v:TVector2):single;
begin
result:=sqrt(sqr(v.x)+sqr(v.y));
end;
function Vector2Sub(const v1,v2:TVector2):TVector2;
begin
result.x:=v1.x-v2.x;
result.y:=v1.y-v2.y;
end;
function Vector2Dist(const v1,v2:TVector2):single;
begin
result:=Vector2Length(Vector2Sub(v2,v1));
end;
var
v1, v2: tvector2;
begin
v1.x:=2.0;
v1.y:=3.0;
v2.x:=5.0;
v2.y:=7.0;
if trunc(Vector2Dist(v1,v2))<>5 then
halt(1);
end.