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- removed "mov reg,reg" optimization (those instructions are removed by
the register allocator, and may be necessary to indicate a register may not be released before some point)
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@ -637,20 +637,12 @@ unit cgx86;
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var
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op: tasmop;
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s: topsize;
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eq:boolean;
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instr:Taicpu;
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begin
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check_register_size(fromsize,reg1);
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check_register_size(tosize,reg2);
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sizes2load(fromsize,tosize,op,s);
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eq:=getsupreg(reg1)=getsupreg(reg2);
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if eq then
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begin
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{ "mov reg1, reg1" doesn't make sense }
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if op = A_MOV then
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exit;
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end;
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instr:=taicpu.op_reg_reg(op,s,reg1,reg2);
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{Notify the register allocator that we have written a move instruction so
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it can try to eliminate it.}
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@ -1896,7 +1888,12 @@ unit cgx86;
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end.
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{
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$Log$
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Revision 1.103 2004-01-15 23:16:33 daniel
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Revision 1.104 2004-02-03 19:46:48 jonas
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- removed "mov reg,reg" optimization (those instructions are removed by
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the register allocator, and may be necessary to indicate a register
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may not be released before some point)
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Revision 1.103 2004/01/15 23:16:33 daniel
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+ Cleanup of stabstring generation code. Cleaner, faster, and compiler
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executable reduced by 50 kb,
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