[PATCH] [MIPS] Support microMIPS HI/QI moves
Maciej W. Rozycki
macro@codesourcery.com
Tue Apr 23 05:40:00 GMT 2013
On Mon, 1 Apr 2013, Moore, Catherine wrote:
> (define_insn "*movhi_internal"
> - [(set (match_operand:HI 0 "nonimmediate_operand" "=d,d,d,m,*a,*d")
> - (match_operand:HI 1 "move_operand" "d,I,m,dJ,*d*J,*a"))]
> + [(set (match_operand:HI 0 "nonimmediate_operand" "=d,!u,d,!u,d,ZU,m,*a,*d")
> + (match_operand:HI 1 "move_operand" "d,J,I,ZU,m,!u,dJ,*d*J,*a"))]
> "!TARGET_MIPS16
> && (register_operand (operands[0], HImode)
> || reg_or_0_operand (operands[1], HImode))"
> { return mips_output_move (operands[0], operands[1]); }
> - [(set_attr "move_type" "move,const,load,store,mtlo,mflo")
> + [(set_attr "move_type" "move,const,const,load,load,store,store,mtlo,mflo")
> + (set_attr "compression" "all,micromips,*,micromips,*,micromips,*,*,*")
> (set_attr "mode" "HI")])
Dumb question: what's the difference between "all" and "*" in the
compression attribute?
Maciej
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