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Suppose we want to use la.got to generate 32 pcrel and 32 abs instruction sequences respectively. According to the existing conditions, to generate 32 pcrel sequences use -mabi=ilp32*, and to generate 32 abs use -mabi=ilp32* and -mla-global-with-abs. Due to the fact that the conditions for generating 32 abs also satisfy 32 pcrel, using -mabi=ilp32* and -mla-global-with-abs will result in only generating instruction sequences of 32 pcrel. By modifying the conditions for macro expansion and adjusting the matching order of macro instructions, it is ensured that the correct sequence of instructions can be generated. |
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