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Implement equality/inequality comparisons for 64-bit types.

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This commit is contained in:
Stephen Heumann 2021-02-02 18:18:50 -06:00
parent 1dc0dc7a19
commit 6a2ea6ccc4
1 changed files with 52 additions and 2 deletions
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54
Gen.pas
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@ -1606,7 +1606,7 @@ procedure GenEquNeq (op: icptr; opcode: pcodes; lb: integer);
var
nd: icptr; {work node}
num: integer; {constant to compare to}
lab1,lab2: integer; {label numbers}
lab1,lab2,lab3: integer; {label numbers}
bne: integer; {instruction for a pc_equ bne branch}
beq: integer; {instruction for a pc_equ beq branch}
lLong: longType; {local long value information}
@ -1899,7 +1899,57 @@ else
end {if}
else if op^.opcode = pc_neq then
GenNative(m_eor_imm, immediate, 1, nil, 0);
end; {case optype of cgReal..cgExtended,cgSet,cgString}
end; {case optype of cgReal..cgExtended}
cgQuad,cgUQuad: begin
GenTree(op^.left);
GenTree(op^.right);
lab1 := GenLabel;
lab2 := GenLabel;
GenImplied(m_pla);
GenImplied(m_plx);
GenImplied(m_ply);
GenNative(m_eor_s, direct, 3, nil, 0);
GenNative(m_bne, relative, lab1, nil, 0);
GenImplied(m_txa);
GenNative(m_eor_s, direct, 5, nil, 0);
GenNative(m_bne, relative, lab1, nil, 0);
GenImplied(m_tya);
GenNative(m_eor_s, direct, 7, nil, 0);
GenNative(m_bne, relative, lab1, nil, 0);
GenImplied(m_pla);
GenNative(m_eor_s, direct, 7, nil, 0);
GenNative(m_bra, relative, lab2, nil, 0);
GenLab(lab1);
GenImplied(m_plx);
GenLab(lab2);
GenImplied(m_tax);
GenImplied(m_tsc);
GenImplied(m_clc);
GenNative(m_adc_imm, immediate, 8, nil, 0);
GenImplied(m_tcs);
GenImplied(m_txa);
if opcode in [pc_fjp,pc_tjp] then begin
lab3 := GenLabel;
if opcode = pc_fjp then
GenNative(beq, relative, lab3, nil, 0)
else
GenNative(bne, relative, lab3, nil, 0);
GenNative(m_brl, longrelative, lb, nil, 0);
GenLab(lab3);
end {if}
else begin
lab3 := GenLabel;
GenNative(m_beq, relative, lab3, nil, 0);
GenNative(m_lda_imm, immediate, 1, nil, 0);
GenLab(lab3);
if op^.opcode = pc_equ then
GenNative(m_eor_imm, immediate, 1, nil, 0);
end; {else}
end; {case optype of cgQuad,cgUQuad}
otherwise:
Error(cge1);