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@@ -265,6 +265,21 @@ implementation
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hp1: tai;
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begin
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result:=false;
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+ {
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+ Get rid of
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+ addi x, x, 0
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+ }
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+ if (taicpu(p).ops=3) and
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+ (taicpu(p).oper[2]^.typ=top_const) and
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+ (taicpu(p).oper[2]^.val=0) and
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+ MatchOperand(taicpu(p).oper[0]^,taicpu(p).oper[1]^) then
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+ begin
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+ DebugMsg('Peephole Addi2Nop performed', p);
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+
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+ RemoveInstr(p);
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+
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+ result:=true;
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+ end
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{
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Changes
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addi x, y, #
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@@ -273,7 +288,7 @@ implementation
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To
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addi z, y, #+#
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}
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- if (taicpu(p).ops=3) and
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+ else if (taicpu(p).ops=3) and
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(taicpu(p).oper[2]^.typ=top_const) and
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GetNextInstructionUsingReg(p, hp1, taicpu(p).oper[0]^.reg) and
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MatchInstruction(hp1,[A_ADDI{$ifdef riscv64},A_ADDIW{$endif}]) and
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florian