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Do quad equality comparisons without loading operands on stack.

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This commit is contained in:
Stephen Heumann
2021-02-25 20:03:13 -06:00
parent f1c19d2940
commit c5c401d229
1 changed files with 48 additions and 29 deletions
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19
Gen.pas
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@@ -2263,6 +2263,23 @@ else
end; {case optype of cgReal..cgExtended} end; {case optype of cgReal..cgExtended}
cgQuad,cgUQuad: begin cgQuad,cgUQuad: begin
if SimpleQuadLoad(op^.left) and SimpleQuadLoad(op^.right)
and not volatile then begin
lab1 := GenLabel;
OpOnWordOfQuad(m_lda_imm, op^.left, 0);
OpOnWordOfQuad(m_eor_imm, op^.right, 0);
GenNative(m_bne, relative, lab1, nil, 0);
OpOnWordOfQuad(m_lda_imm, op^.left, 2);
OpOnWordOfQuad(m_eor_imm, op^.right, 2);
GenNative(m_bne, relative, lab1, nil, 0);
OpOnWordOfQuad(m_lda_imm, op^.left, 4);
OpOnWordOfQuad(m_eor_imm, op^.right, 4);
GenNative(m_bne, relative, lab1, nil, 0);
OpOnWordOfQuad(m_lda_imm, op^.left, 6);
OpOnWordOfQuad(m_eor_imm, op^.right, 6);
GenLab(lab1);
end {if}
else begin
gQuad.preference := onStack; gQuad.preference := onStack;
GenTree(op^.left); GenTree(op^.left);
gQuad.preference := onStack; gQuad.preference := onStack;
@@ -2295,6 +2312,8 @@ else
GenImplied(m_tcs); GenImplied(m_tcs);
GenImplied(m_txa); GenImplied(m_txa);
end; {else}
if opcode in [pc_fjp,pc_tjp] then begin if opcode in [pc_fjp,pc_tjp] then begin
lab3 := GenLabel; lab3 := GenLabel;
if opcode = pc_fjp then if opcode = pc_fjp then