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- *addr = gen_rtx_PLUS (Pmode, *addr, base); + { + /* For performance reasons on some processors, prefer + the pointer being the first operand of the PLUS. */ + if (REG_P (*addr) && !REG_POINTER (*addr) + && REG_P (base) && REG_POINTER (base)) + *addr = gen_rtx_PLUS (Pmode, base, *addr); + else + *addr = gen_rtx_PLUS (Pmode, *addr, base);
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