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Attached patch enhances output_387_reg_move() to handle reg->mem moves. This enables further cleanups through i386.md.
Patch was bootstrapped and regression tested on i686-pc-linux-gnu for all default languages. Patch is committed to SVN mainline.
* config/i386/i386.c (output_387_reg_move): Handle memory operand[0]. * config/i386/i386.md (*movsf_1, *movdf_nointeger, *movdf_integer_rex64, *movdf_integer, *movxf_nointeger, *movxf_integer): Use output_387_reg_move() for x87 reg->mem alternative. (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387, *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
Attachment:
i386-387reg.diff
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