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Merge branch 'master' into longlong

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This commit is contained in:
Stephen Heumann 2021-02-11 15:55:15 -06:00
commit a804d1766b
1 changed files with 44 additions and 12 deletions
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56
DAG.pas
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@ -901,8 +901,10 @@ case op^.opcode of {check for optimizations of this node}
opv := op^.left;
end {if}
else if op^.right^.opcode = pc_ldc then begin
if op^.right^.lval = 0 then
opv := op^.right
if op^.right^.lval = 0 then begin
if not SideEffects(op^.left) then
opv := op^.right;
end {if}
else if op^.right^.lval = -1 then
opv := op^.left;
end; {else if}
@ -916,8 +918,10 @@ case op^.opcode of {check for optimizations of this node}
opv := op^.left;
end {if}
else if op^.right^.opcode = pc_ldc then begin
if op^.right^.lval = -1 then
opv := op^.right
if op^.right^.lval = -1 then begin
if not SideEffects(op^.left) then
opv := op^.right;
end {if}
else if op^.right^.lval = 0 then
opv := op^.left;
end; {else if}
@ -948,8 +952,10 @@ case op^.opcode of {check for optimizations of this node}
opv := op^.left;
end {if}
else if op^.right^.opcode = pc_ldc then begin
if op^.right^.q = 0 then
opv := op^.right
if op^.right^.q = 0 then begin
if not SideEffects(op^.left) then
opv := op^.right;
end {if}
else if op^.right^.q = -1 then
opv := op^.left;
end; {else if}
@ -986,8 +992,10 @@ case op^.opcode of {check for optimizations of this node}
opv := op^.left;
end {if}
else if op^.right^.opcode = pc_ldc then begin
if op^.right^.q = -1 then
opv := op^.right
if op^.right^.q = -1 then begin
if not SideEffects(op^.left) then
opv := op^.right;
end {if}
else if op^.right^.q = 0 then
opv := op^.left;
end; {else if}
@ -1635,7 +1643,13 @@ case op^.opcode of {check for optimizations of this node}
pc_mdl: begin {pc_mdl}
if op^.right^.opcode = pc_ldc then
if op^.left^.opcode = pc_ldc then
if op^.right^.lval = 1 then begin
if not SideEffects(op^.left) then begin
op^.right^.lval := 0;
opv := op^.right;
end; {if}
end {if}
else if op^.left^.opcode = pc_ldc then
if (op^.left^.lval >= 0) and (op^.right^.lval > 0) then begin
op^.left^.lval := op^.left^.lval mod op^.right^.lval;
opv := op^.left;
@ -1644,7 +1658,13 @@ case op^.opcode of {check for optimizations of this node}
pc_mod: begin {pc_mod}
if op^.right^.opcode = pc_ldc then
if op^.left^.opcode = pc_ldc then
if op^.right^.q = 1 then begin
if not SideEffects(op^.left) then begin
op^.right^.q := 0;
opv := op^.right;
end; {if}
end {if}
else if op^.left^.opcode = pc_ldc then
if (op^.left^.q >= 0) and (op^.right^.q > 0) then begin
op^.left^.q := op^.left^.q mod op^.right^.q;
opv := op^.left;
@ -2142,7 +2162,13 @@ case op^.opcode of {check for optimizations of this node}
pc_uim: begin {pc_uim}
if op^.right^.opcode = pc_ldc then
if op^.left^.opcode = pc_ldc then
if op^.right^.q = 1 then begin
if not SideEffects(op^.left) then begin
op^.right^.q := 0;
opv := op^.right;
end; {if}
end {if}
else if op^.left^.opcode = pc_ldc then
if op^.right^.q <> 0 then begin
op^.left^.q :=
ord(umod(op^.left^.q & $0000FFFF, op^.right^.q & $0000FFFF));
@ -2167,7 +2193,13 @@ case op^.opcode of {check for optimizations of this node}
pc_ulm: begin {pc_ulm}
if op^.right^.opcode = pc_ldc then
if op^.left^.opcode = pc_ldc then
if op^.right^.lval = 1 then begin
if not SideEffects(op^.left) then begin
op^.right^.lval := 0;
opv := op^.right;
end; {if}
end {if}
else if op^.left^.opcode = pc_ldc then
if op^.right^.lval <> 0 then begin
op^.left^.lval := umod(op^.left^.lval, op^.right^.lval);
opv := op^.left;