Optimize some quad ops to use interleaved loads and stores.
This allows them to bypass the intermediate step of loading the value onto the stack. Currently, this only works for simple cases where a value is loaded and immediately stored.
This commit is contained in:
Stephen Heumann
parent
3c0e4baf78
commit
daff197811
487
Gen.pas
487
Gen.pas
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@ -55,7 +55,7 @@ const
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type
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{possible locations for 4 byte values}
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longType = record {description of current four byte value}
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preference: integer; {where you want the value}
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preference: integer; {where you want the value (bitmask)}
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where: integer; {where the value is at}
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fixedDisp: boolean; {is the displacement a fixed value?}
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isLong: boolean; {is long addr required for named labs?}
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@ -66,7 +66,7 @@ type
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{possible locations for 8 byte values}
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{note: these always have fixed disp}
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quadType = record {description of current 8 byte value}
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preference: integer; {where you want the value}
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preference: integer; {where you want the value (single value)}
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where: integer; {where the value is at}
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disp: integer; {fixed displacement/local addr}
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lval: longlong; {value}
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@ -238,6 +238,61 @@ else {if icode^.opcode in [pc_ldo, pc_sro] then}
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end; {DoOp}
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procedure StoreWordOfQuad(offset: integer);
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{ Store one word of a quad value to the location specified by }
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{ gQuad.preference. The word value to store must be in A. }
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{ }
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{ The generated code may modify X, and may set Y to offset. }
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{ It does not modify A or the carry flag. }
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{ }
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{ parameters: }
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{ offset - offset of the word to store (0, 2, 4, or 6) }
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{ }
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{ Note: If gQuad.preference is onStack, this just generates a }
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{ PHA. That is suitable if loading a value starting from }
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{ the most significant word, but not in other cases. For }
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{ other gQuad.preference values, any order is okay. }
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begin {StoreWordOfQuad}
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case gQuad.preference of
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localAddress: begin
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if gQuad.disp+offset <= 255 then
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GenNative(m_sta_dir, direct, gQuad.disp+offset, nil, 0)
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else begin
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GenNative(m_ldx_imm, immediate, gQuad.disp+offset, nil, 0);
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GenNative(m_sta_dirX, direct, 0, nil, 0);
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end; {else}
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end;
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globalLabel: begin
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if smallMemoryModel then
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GenNative(m_sta_abs, absolute, gQuad.disp+offset, gQuad.lab, 0)
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else
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GenNative(m_sta_long, longabsolute, gQuad.disp+offset, gQuad.lab, 0);
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end;
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inPointer: begin
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if (gQuad.disp > 255) or (gQuad.disp < 0) then
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Error(cge1);
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if offset = 0 then
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GenNative(m_sta_indl, direct, gQuad.disp, nil, 0)
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else begin
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GenNative(m_ldy_imm, immediate, offset, nil, 0);
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GenNative(m_sta_indly, direct, gQuad.disp, nil, 0);
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end; {else}
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end;
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onStack:
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GenImplied(m_pha);
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nowhere: ; {discard the value}
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otherwise: Error(cge1);
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end; {case}
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end; {StoreWordOfQuad}
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procedure GetPointer (op: icptr);
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{ convert a tree into a usable pointer for indirect }
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@ -1376,7 +1431,10 @@ begin {GenCnv}
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lLong := gLong;
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gLong.preference := onStack+A_X+constant;
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gLong.where := onStack;
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gQuad.preference := onStack;
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if op^.q in [quadToVoid,uQuadToVoid] then
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gQuad.preference := nowhere
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else
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gQuad.preference := onStack;
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if ((op^.q & $00F0) >> 4) in [cDouble,cExtended,cComp] then begin
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op^.q := (op^.q & $000F) | (cReal * 16);
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fromReal := true;
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@ -1386,7 +1444,6 @@ else
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if (op^.q & $000F) in [cDouble,cExtended,cComp] then
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op^.q := (op^.q & $00F0) | cReal;
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GenTree(op^.left);
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gQuad.where := onStack; {unless overridden below}
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if op^.q in [wordToLong,wordToUlong] then begin
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lab1 := GenLabel;
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GenNative(m_ldx_imm, immediate, 0, nil, 0);
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@ -1552,6 +1609,7 @@ else if op^.q in [ubyteToQuad,ubyteToUQuad,uwordToQuad,uwordToUQuad] then begin
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GenImplied(m_phy);
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GenImplied(m_phy);
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GenImplied(m_pha);
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gQuad.where := onStack;
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end {else if}
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else if op^.q in [byteToQuad,byteToUQuad] then begin
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lab1 := GenLabel;
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@ -1565,6 +1623,7 @@ else if op^.q in [byteToQuad,byteToUQuad] then begin
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GenImplied(m_phx);
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GenImplied(m_phx);
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GenImplied(m_pha);
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gQuad.where := onStack;
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end {else if}
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else if op^.q in [wordToQuad,wordToUQuad] then begin
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lab1 := GenLabel;
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@ -1577,6 +1636,7 @@ else if op^.q in [wordToQuad,wordToUQuad] then begin
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GenImplied(m_phx);
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GenImplied(m_phx);
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GenImplied(m_pha);
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gQuad.where := onStack;
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end {else if}
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else if op^.q in [ulongToQuad,ulongToUQuad] then begin
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if gLong.where = A_X then begin
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@ -1599,6 +1659,7 @@ else if op^.q in [ulongToQuad,ulongToUQuad] then begin
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GenImplied(m_phx);
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GenImplied(m_pha);
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end; {else}
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gQuad.where := onStack;
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end {else if}
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else if op^.q in [longToQuad,longToUQuad] then begin
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if gLong.where = constant then begin
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@ -1632,11 +1693,16 @@ else if op^.q in [longToQuad,longToUQuad] then begin
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GenImplied(m_phx);
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GenImplied(m_pha);
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end; {else}
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gQuad.where := onStack;
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end {else if}
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else if op^.q = realToQuad then begin
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GenCall(89);
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gQuad.where := onStack;
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end {else if}
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else if op^.q = realToUQuad then begin
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GenCall(90);
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gQuad.where := onStack;
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end {else if}
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else if op^.q = realToQuad then
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GenCall(89)
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else if op^.q = realToUQuad then
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GenCall(90)
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else if op^.q in [quadToWord,uquadToWord,quadToUWord,uquadToUWord] then begin
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GenImplied(m_pla);
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GenImplied(m_plx);
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@ -1677,10 +1743,12 @@ else if op^.q in [quadToLong,uquadToLong,quadToULong,uquadToULong] then begin
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end; {else}
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end {else if}
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else if op^.q in [quadToVoid,uquadToVoid] then begin
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GenImplied(m_tsc);
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GenImplied(m_clc);
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GenNative(m_adc_imm, immediate, 8, nil, 0);
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GenImplied(m_tcs);
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if gQuad.where = onStack then begin
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GenImplied(m_tsc);
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GenImplied(m_clc);
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GenNative(m_adc_imm, immediate, 8, nil, 0);
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GenImplied(m_tcs);
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end; {if}
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end {else if}
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else if op^.q = quadToReal then
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GenCall(83)
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@ -2583,6 +2651,7 @@ procedure GenInd (op: icptr);
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var
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lab1: integer; {label}
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lLong: longType; {requested address type}
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lQuad: quadType; {requested quad address type}
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optype: baseTypeEnum; {op^.optype}
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q: integer; {op^.q}
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@ -2794,23 +2863,26 @@ case optype of
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end; {case cgByte,cgUByte,cgWord,cgUWord}
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cgQuad,cgUQuad: begin
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lQuad := gQuad;
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GetPointer(op^.left);
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gQuad := lQuad;
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gQuad.where := gQuad.preference; {unless overridden later}
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if gLong.where = inPointer then begin
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if q = 0 then begin
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if gLong.fixedDisp then begin
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GenNative(m_ldy_imm, immediate, 6, nil, 0);
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GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(6);
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GenImplied(m_dey);
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GenImplied(m_dey);
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GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(4);
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GenImplied(m_dey);
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GenImplied(m_dey);
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GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(2);
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GenNative(m_lda_indl, direct, gLong.disp, nil, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(0);
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end {if}
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else begin
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GenImplied(m_tya);
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@ -2818,38 +2890,38 @@ case optype of
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GenNative(m_adc_imm, immediate, 6, nil, 0);
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GenImplied(m_tay);
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GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(6);
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GenImplied(m_dey);
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GenImplied(m_dey);
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GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(4);
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GenImplied(m_dey);
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GenImplied(m_dey);
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GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(2);
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GenImplied(m_dey);
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GenImplied(m_dey);
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GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(0);
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end; {else}
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end {if q = 0}
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else begin
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if gLong.fixedDisp then begin
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GenNative(m_ldy_imm, immediate, q+6, nil, 0);
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GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(6);
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GenImplied(m_dey);
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GenImplied(m_dey);
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GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(4);
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GenImplied(m_dey);
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GenImplied(m_dey);
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GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(2);
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GenImplied(m_dey);
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GenImplied(m_dey);
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GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(0);
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end {if}
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else begin
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GenImplied(m_tya);
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@ -2857,19 +2929,19 @@ case optype of
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GenNative(m_adc_imm, immediate, q+6, nil, 0);
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GenImplied(m_tay);
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GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(6);
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GenImplied(m_dey);
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GenImplied(m_dey);
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GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(4);
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GenImplied(m_dey);
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GenImplied(m_dey);
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GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(2);
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GenImplied(m_dey);
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GenImplied(m_dey);
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GenNative(m_lda_indly, direct, gLong.disp, nil, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(0);
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end; {else}
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end; {else}
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end {if glong.where = inPointer}
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@ -2877,12 +2949,25 @@ case optype of
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gLong.disp := gLong.disp+q;
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if gLong.fixedDisp then
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if (gLong.disp < 250) and (gLong.disp >= 0) then begin
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GenNative(m_pei_dir, direct, gLong.disp+6, nil, 0);
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GenNative(m_pei_dir, direct, gLong.disp+4, nil, 0);
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GenNative(m_pei_dir, direct, gLong.disp+2, nil, 0);
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GenNative(m_pei_dir, direct, gLong.disp, nil, 0);
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if gQuad.preference = onStack then begin
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GenNative(m_pei_dir, direct, gLong.disp+6, nil, 0);
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GenNative(m_pei_dir, direct, gLong.disp+4, nil, 0);
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GenNative(m_pei_dir, direct, gLong.disp+2, nil, 0);
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GenNative(m_pei_dir, direct, gLong.disp, nil, 0);
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end {if}
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else begin
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GenNative(m_lda_dir, direct, gLong.disp+6, nil, 0);
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StoreWordOfQuad(6);
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GenNative(m_lda_dir, direct, gLong.disp+4, nil, 0);
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StoreWordOfQuad(4);
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GenNative(m_lda_dir, direct, gLong.disp+2, nil, 0);
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StoreWordOfQuad(2);
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GenNative(m_lda_dir, direct, gLong.disp, nil, 0);
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StoreWordOfQuad(0);
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end; {else}
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end {if}
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else begin
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gQuad.where := onStack;
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GenNative(m_ldx_imm, immediate, gLong.disp, nil, 0);
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GenNative(m_lda_dirX, direct, 6, nil, 0);
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GenImplied(m_pha);
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@ -2894,6 +2979,7 @@ case optype of
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GenImplied(m_pha);
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end {else}
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else begin
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gQuad.where := onStack;
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if (gLong.disp >= 250) or (gLong.disp < 0) then begin
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GenImplied(m_txa);
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GenImplied(m_clc);
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@ -2916,26 +3002,27 @@ case optype of
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if gLong.fixedDisp then
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if smallMemoryModel then begin
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GenNative(m_lda_abs, absolute, gLong.disp+6, gLong.lab, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(6);
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GenNative(m_lda_abs, absolute, gLong.disp+4, gLong.lab, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(4);
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GenNative(m_lda_abs, absolute, gLong.disp+2, gLong.lab, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(2);
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GenNative(m_lda_abs, absolute, gLong.disp, gLong.lab, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(0);
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end {if}
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else begin
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GenNative(m_lda_long, longAbs, gLong.disp+6, gLong.lab, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(6);
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GenNative(m_lda_long, longAbs, gLong.disp+4, gLong.lab, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(4);
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GenNative(m_lda_long, longAbs, gLong.disp+2, gLong.lab, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(2);
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GenNative(m_lda_long, longAbs, gLong.disp, gLong.lab, 0);
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GenImplied(m_pha);
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StoreWordOfQuad(6);
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end {else}
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else
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if smallMemoryModel then begin
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gQuad.where := onStack;
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GenNative(m_lda_absX, absolute, gLong.disp+6, gLong.lab, 0);
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GenImplied(m_pha);
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GenNative(m_lda_absX, absolute, gLong.disp+4, gLong.lab, 0);
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@ -2946,6 +3033,7 @@ case optype of
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GenImplied(m_pha);
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end {if}
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else begin
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gQuad.where := onStack;
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GenNative(m_lda_longX, longAbs, gLong.disp+6, gLong.lab, 0);
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GenImplied(m_pha);
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GenNative(m_lda_longX, longAbs, gLong.disp+4, gLong.lab, 0);
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@ -2956,7 +3044,6 @@ case optype of
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GenImplied(m_pha);
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end; {else}
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end; {else}
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gQuad.where := onStack;
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end; {case cgQuad,cgUQuad}
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otherwise: Error(cge1);
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end; {case}
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@ -3799,42 +3886,48 @@ case optype of
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end; {case CGLong, cgULong}
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cgQuad, cgUQuad: begin
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gQuad.preference := onStack;
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if opcode = pc_sro then begin
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gQuad.preference := globalLabel;
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gQuad.lab := lab;
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gQuad.disp := q;
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end {if}
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else {if opcode = pc_cpo then}
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gQuad.preference := onStack;
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GenTree(op^.left);
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if opcode = pc_sro then
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GenImplied(m_pla)
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else {if opcode = pc_cpo then}
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GenNative(m_lda_s, direct, 1, nil, 0);
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if smallMemoryModel then
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GenNative(m_sta_abs, absolute, q, lab, 0)
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else
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GenNative(m_sta_long, longabsolute, q, lab, 0);
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if opcode = pc_sro then
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GenImplied(m_pla)
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else {if opcode = pc_cpo then}
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GenNative(m_lda_s, direct, 3, nil, 0);
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if smallMemoryModel then
|
||||
GenNative(m_sta_abs, absolute, q+2, lab, 0)
|
||||
else
|
||||
GenNative(m_sta_long, longabsolute, q+2, lab, 0);
|
||||
if opcode = pc_sro then
|
||||
GenImplied(m_pla)
|
||||
else {if opcode = pc_cpo then}
|
||||
GenNative(m_lda_s, direct, 5, nil, 0);
|
||||
if smallMemoryModel then
|
||||
GenNative(m_sta_abs, absolute, q+4, lab, 0)
|
||||
else
|
||||
GenNative(m_sta_long, longabsolute, q+4, lab, 0);
|
||||
if opcode = pc_sro then
|
||||
GenImplied(m_pla)
|
||||
else {if opcode = pc_cpo then}
|
||||
GenNative(m_lda_s, direct, 7, nil, 0);
|
||||
if smallMemoryModel then
|
||||
GenNative(m_sta_abs, absolute, q+6, lab, 0)
|
||||
else
|
||||
GenNative(m_sta_long, longabsolute, q+6, lab, 0);
|
||||
if opcode = pc_cpo then
|
||||
gQuad.where := onStack;
|
||||
if gQuad.where = onStack then begin
|
||||
if opcode = pc_sro then
|
||||
GenImplied(m_pla)
|
||||
else {if opcode = pc_cpo then}
|
||||
GenNative(m_lda_s, direct, 1, nil, 0);
|
||||
if smallMemoryModel then
|
||||
GenNative(m_sta_abs, absolute, q, lab, 0)
|
||||
else
|
||||
GenNative(m_sta_long, longabsolute, q, lab, 0);
|
||||
if opcode = pc_sro then
|
||||
GenImplied(m_pla)
|
||||
else {if opcode = pc_cpo then}
|
||||
GenNative(m_lda_s, direct, 3, nil, 0);
|
||||
if smallMemoryModel then
|
||||
GenNative(m_sta_abs, absolute, q+2, lab, 0)
|
||||
else
|
||||
GenNative(m_sta_long, longabsolute, q+2, lab, 0);
|
||||
if opcode = pc_sro then
|
||||
GenImplied(m_pla)
|
||||
else {if opcode = pc_cpo then}
|
||||
GenNative(m_lda_s, direct, 5, nil, 0);
|
||||
if smallMemoryModel then
|
||||
GenNative(m_sta_abs, absolute, q+4, lab, 0)
|
||||
else
|
||||
GenNative(m_sta_long, longabsolute, q+4, lab, 0);
|
||||
if opcode = pc_sro then
|
||||
GenImplied(m_pla)
|
||||
else {if opcode = pc_cpo then}
|
||||
GenNative(m_lda_s, direct, 7, nil, 0);
|
||||
if smallMemoryModel then
|
||||
GenNative(m_sta_abs, absolute, q+6, lab, 0)
|
||||
else
|
||||
GenNative(m_sta_long, longabsolute, q+6, lab, 0);
|
||||
end; {if}
|
||||
end; {case cgQuad, cgUQuad}
|
||||
end; {case}
|
||||
end; {GenSroCpo}
|
||||
|
|
@ -3950,42 +4043,52 @@ case optype of
|
|||
|
||||
cgQuad,cgUQuad: begin
|
||||
gQuad.preference := onStack;
|
||||
if opcode = pc_sto then
|
||||
if op^.left^.opcode = pc_lod then begin
|
||||
disp := LabelToDisp(op^.left^.r) + op^.left^.q;
|
||||
if disp <= 255 then begin
|
||||
gQuad.preference := inPointer;
|
||||
gQuad.disp := disp;
|
||||
end; {if}
|
||||
end; {if}
|
||||
GenTree(op^.right);
|
||||
gLong.preference := A_X;
|
||||
GenTree(op^.left);
|
||||
if gLong.where = onStack then begin
|
||||
GenImplied(m_pla);
|
||||
GenImplied(m_plx);
|
||||
if gQuad.where = onStack then begin
|
||||
gLong.preference := A_X;
|
||||
GenTree(op^.left);
|
||||
if gLong.where = onStack then begin
|
||||
GenImplied(m_pla);
|
||||
GenImplied(m_plx);
|
||||
end; {if}
|
||||
GenNative(m_sta_dir, direct, dworkLoc, nil, 0);
|
||||
GenNative(m_stx_dir, direct, dworkLoc+2, nil, 0);
|
||||
if opcode = pc_sto then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cpi then}
|
||||
GenNative(m_lda_s, direct, 1, nil, 0);
|
||||
GenNative(m_sta_indl, direct, dworkLoc, nil, 0);
|
||||
GenNative(m_ldy_imm, immediate, 2, nil, 0);
|
||||
if opcode = pc_sto then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cpi then}
|
||||
GenNative(m_lda_s, direct, 3, nil, 0);
|
||||
GenNative(m_sta_indly, direct, dworkLoc, nil, 0);
|
||||
GenImplied(m_iny);
|
||||
GenImplied(m_iny);
|
||||
if opcode = pc_sto then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cpi then}
|
||||
GenNative(m_lda_s, direct, 5, nil, 0);
|
||||
GenNative(m_sta_indly, direct, dworkLoc, nil, 0);
|
||||
GenImplied(m_iny);
|
||||
GenImplied(m_iny);
|
||||
if opcode = pc_sto then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cpi then}
|
||||
GenNative(m_lda_s, direct, 7, nil, 0);
|
||||
GenNative(m_sta_indly, direct, dworkLoc, nil, 0);
|
||||
if op^.opcode = pc_cpi then
|
||||
gQuad.where := onStack;
|
||||
end; {if}
|
||||
GenNative(m_sta_dir, direct, dworkLoc, nil, 0);
|
||||
GenNative(m_stx_dir, direct, dworkLoc+2, nil, 0);
|
||||
if opcode = pc_sto then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cpi then}
|
||||
GenNative(m_lda_s, direct, 1, nil, 0);
|
||||
GenNative(m_sta_indl, direct, dworkLoc, nil, 0);
|
||||
GenNative(m_ldy_imm, immediate, 2, nil, 0);
|
||||
if opcode = pc_sto then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cpi then}
|
||||
GenNative(m_lda_s, direct, 3, nil, 0);
|
||||
GenNative(m_sta_indly, direct, dworkLoc, nil, 0);
|
||||
GenImplied(m_iny);
|
||||
GenImplied(m_iny);
|
||||
if opcode = pc_sto then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cpi then}
|
||||
GenNative(m_lda_s, direct, 5, nil, 0);
|
||||
GenNative(m_sta_indly, direct, dworkLoc, nil, 0);
|
||||
GenImplied(m_iny);
|
||||
GenImplied(m_iny);
|
||||
if opcode = pc_sto then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cpi then}
|
||||
GenNative(m_lda_s, direct, 7, nil, 0);
|
||||
GenNative(m_sta_indly, direct, dworkLoc, nil, 0);
|
||||
if op^.opcode = pc_cpi then
|
||||
gQuad.where := onStack;
|
||||
end; {case cgQuad,cgUQuad}
|
||||
|
||||
cgLong,cgULong: begin
|
||||
|
|
@ -4486,55 +4589,60 @@ case optype of
|
|||
end;
|
||||
|
||||
cgQuad, cgUQuad: begin
|
||||
gQuad.preference := onStack;
|
||||
if op^.opcode = pc_str then begin
|
||||
gQuad.preference := localAddress;
|
||||
gQuad.disp := disp;
|
||||
end {if}
|
||||
else {if op^.opcode = pc_cop then}
|
||||
gQuad.preference := onStack;
|
||||
GenTree(op^.left);
|
||||
if disp < 250 then begin
|
||||
if op^.opcode = pc_str then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cop then}
|
||||
GenNative(m_lda_s, direct, 1, nil, 0);
|
||||
GenNative(m_sta_dir, direct, disp, nil, 0);
|
||||
if op^.opcode = pc_str then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cop then}
|
||||
GenNative(m_lda_s, direct, 3, nil, 0);
|
||||
GenNative(m_sta_dir, direct, disp+2, nil, 0);
|
||||
if op^.opcode = pc_str then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cop then}
|
||||
GenNative(m_lda_s, direct, 5, nil, 0);
|
||||
GenNative(m_sta_dir, direct, disp+4, nil, 0);
|
||||
if op^.opcode = pc_str then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cop then}
|
||||
GenNative(m_lda_s, direct, 7, nil, 0);
|
||||
GenNative(m_sta_dir, direct, disp+6, nil, 0);
|
||||
end {else if}
|
||||
else begin
|
||||
GenNative(m_ldx_imm, immediate, disp, nil, 0);
|
||||
if op^.opcode = pc_str then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cop then}
|
||||
GenNative(m_lda_s, direct, 1, nil, 0);
|
||||
GenNative(m_sta_dirX, direct, 0, nil, 0);
|
||||
if op^.opcode = pc_str then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cop then}
|
||||
GenNative(m_lda_s, direct, 3, nil, 0);
|
||||
GenNative(m_sta_dirX, direct, 2, nil, 0);
|
||||
if op^.opcode = pc_str then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cop then}
|
||||
GenNative(m_lda_s, direct, 5, nil, 0);
|
||||
GenNative(m_sta_dirX, direct, 4, nil, 0);
|
||||
if op^.opcode = pc_str then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cop then}
|
||||
GenNative(m_lda_s, direct, 7, nil, 0);
|
||||
GenNative(m_sta_dirX, direct, 6, nil, 0);
|
||||
end; {else}
|
||||
if op^.opcode = pc_cop then
|
||||
gQuad.where := onStack;
|
||||
if gQuad.where = onStack then begin
|
||||
if disp < 250 then begin
|
||||
if op^.opcode = pc_str then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cop then}
|
||||
GenNative(m_lda_s, direct, 1, nil, 0);
|
||||
GenNative(m_sta_dir, direct, disp, nil, 0);
|
||||
if op^.opcode = pc_str then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cop then}
|
||||
GenNative(m_lda_s, direct, 3, nil, 0);
|
||||
GenNative(m_sta_dir, direct, disp+2, nil, 0);
|
||||
if op^.opcode = pc_str then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cop then}
|
||||
GenNative(m_lda_s, direct, 5, nil, 0);
|
||||
GenNative(m_sta_dir, direct, disp+4, nil, 0);
|
||||
if op^.opcode = pc_str then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cop then}
|
||||
GenNative(m_lda_s, direct, 7, nil, 0);
|
||||
GenNative(m_sta_dir, direct, disp+6, nil, 0);
|
||||
end {else if}
|
||||
else begin
|
||||
GenNative(m_ldx_imm, immediate, disp, nil, 0);
|
||||
if op^.opcode = pc_str then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cop then}
|
||||
GenNative(m_lda_s, direct, 1, nil, 0);
|
||||
GenNative(m_sta_dirX, direct, 0, nil, 0);
|
||||
if op^.opcode = pc_str then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cop then}
|
||||
GenNative(m_lda_s, direct, 3, nil, 0);
|
||||
GenNative(m_sta_dirX, direct, 2, nil, 0);
|
||||
if op^.opcode = pc_str then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cop then}
|
||||
GenNative(m_lda_s, direct, 5, nil, 0);
|
||||
GenNative(m_sta_dirX, direct, 4, nil, 0);
|
||||
if op^.opcode = pc_str then
|
||||
GenImplied(m_pla)
|
||||
else {if op^.opcode = pc_cop then}
|
||||
GenNative(m_lda_s, direct, 7, nil, 0);
|
||||
GenNative(m_sta_dirX, direct, 6, nil, 0);
|
||||
end; {else}
|
||||
end; {if}
|
||||
end;
|
||||
|
||||
otherwise: Error(cge1);
|
||||
|
|
@ -5440,11 +5548,23 @@ procedure GenTree {op: icptr};
|
|||
end;
|
||||
|
||||
cgQuad,cgUQuad: begin
|
||||
GenNative(m_pea, immediate, long(op^.qval.hi).msw, nil, 0);
|
||||
GenNative(m_pea, immediate, long(op^.qval.hi).lsw, nil, 0);
|
||||
GenNative(m_pea, immediate, long(op^.qval.lo).msw, nil, 0);
|
||||
GenNative(m_pea, immediate, long(op^.qval.lo).lsw, nil, 0);
|
||||
gQuad.where := onStack;
|
||||
if gQuad.preference = onStack then begin
|
||||
GenNative(m_pea, immediate, long(op^.qval.hi).msw, nil, 0);
|
||||
GenNative(m_pea, immediate, long(op^.qval.hi).lsw, nil, 0);
|
||||
GenNative(m_pea, immediate, long(op^.qval.lo).msw, nil, 0);
|
||||
GenNative(m_pea, immediate, long(op^.qval.lo).lsw, nil, 0);
|
||||
end {if}
|
||||
else begin
|
||||
GenNative(m_lda_imm, immediate, long(op^.qval.hi).msw, nil, 0);
|
||||
StoreWordOfQuad(6);
|
||||
GenNative(m_lda_imm, immediate, long(op^.qval.hi).lsw, nil, 0);
|
||||
StoreWordOfQuad(4);
|
||||
GenNative(m_lda_imm, immediate, long(op^.qval.lo).msw, nil, 0);
|
||||
StoreWordOfQuad(2);
|
||||
GenNative(m_lda_imm, immediate, long(op^.qval.lo).lsw, nil, 0);
|
||||
StoreWordOfQuad(0);
|
||||
end; {else}
|
||||
gQuad.where := gQuad.preference;
|
||||
end;
|
||||
|
||||
otherwise:
|
||||
|
|
@ -5525,25 +5645,25 @@ procedure GenTree {op: icptr};
|
|||
cgQuad, cgUQuad: begin
|
||||
if smallMemoryModel then begin
|
||||
GenNative(m_lda_abs, absolute, op^.q+6, op^.lab, 0);
|
||||
GenImplied(m_pha);
|
||||
StoreWordOfQuad(6);
|
||||
GenNative(m_lda_abs, absolute, op^.q+4, op^.lab, 0);
|
||||
GenImplied(m_pha);
|
||||
StoreWordOfQuad(4);
|
||||
GenNative(m_lda_abs, absolute, op^.q+2, op^.lab, 0);
|
||||
GenImplied(m_pha);
|
||||
StoreWordOfQuad(2);
|
||||
GenNative(m_lda_abs, absolute, op^.q, op^.lab, 0);
|
||||
GenImplied(m_pha);
|
||||
StoreWordOfQuad(0);
|
||||
end {if}
|
||||
else begin
|
||||
GenNative(m_lda_long, longabsolute, op^.q+6, op^.lab, 0);
|
||||
GenImplied(m_pha);
|
||||
StoreWordOfQuad(6);
|
||||
GenNative(m_lda_long, longabsolute, op^.q+4, op^.lab, 0);
|
||||
GenImplied(m_pha);
|
||||
StoreWordOfQuad(4);
|
||||
GenNative(m_lda_long, longabsolute, op^.q+2, op^.lab, 0);
|
||||
GenImplied(m_pha);
|
||||
StoreWordOfQuad(2);
|
||||
GenNative(m_lda_long, longabsolute, op^.q, op^.lab, 0);
|
||||
GenImplied(m_pha);
|
||||
StoreWordOfQuad(0);
|
||||
end; {else}
|
||||
gQuad.where := onStack;
|
||||
gQuad.where := gQuad.preference;
|
||||
end; {case cgQuad,cgUQuad}
|
||||
|
||||
otherwise:
|
||||
|
|
@ -5610,14 +5730,27 @@ procedure GenTree {op: icptr};
|
|||
GenImplied(m_pha);
|
||||
GenNative(m_lda_dirx, direct, 0, nil, 0);
|
||||
GenImplied(m_pha);
|
||||
gQuad.where := onStack;
|
||||
end {if}
|
||||
else begin
|
||||
GenNative(m_pei_dir, direct, disp+6, nil, 0);
|
||||
GenNative(m_pei_dir, direct, disp+4, nil, 0);
|
||||
GenNative(m_pei_dir, direct, disp+2, nil, 0);
|
||||
GenNative(m_pei_dir, direct, disp, nil, 0);
|
||||
if gQuad.preference = onStack then begin
|
||||
GenNative(m_pei_dir, direct, disp+6, nil, 0);
|
||||
GenNative(m_pei_dir, direct, disp+4, nil, 0);
|
||||
GenNative(m_pei_dir, direct, disp+2, nil, 0);
|
||||
GenNative(m_pei_dir, direct, disp, nil, 0);
|
||||
end {if}
|
||||
else begin
|
||||
GenNative(m_lda_dir, direct, disp+6, nil, 0);
|
||||
StoreWordOfQuad(6);
|
||||
GenNative(m_lda_dir, direct, disp+4, nil, 0);
|
||||
StoreWordOfQuad(4);
|
||||
GenNative(m_lda_dir, direct, disp+2, nil, 0);
|
||||
StoreWordOfQuad(2);
|
||||
GenNative(m_lda_dir, direct, disp, nil, 0);
|
||||
StoreWordOfQuad(0);
|
||||
end; {else}
|
||||
gQuad.where := gQuad.preference;
|
||||
end; {else}
|
||||
gQuad.where := onStack;
|
||||
end;
|
||||
|
||||
cgLong, cgULong: begin
|
||||
|
|
|
|||
Loading…
Reference in New Issue