diff options
Diffstat (limited to 'lib/hipe')
| -rw-r--r-- | lib/hipe/rtl/hipe_rtl.erl | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/lib/hipe/rtl/hipe_rtl.erl b/lib/hipe/rtl/hipe_rtl.erl index bc61bec0bd..2f62dd79ad 100644 --- a/lib/hipe/rtl/hipe_rtl.erl +++ b/lib/hipe/rtl/hipe_rtl.erl @@ -413,11 +413,11 @@ rtl_info_update(Rtl, Info) -> Rtl#rtl{info=Info}. %% move %% -mk_move(Dst, Src) -> #move{dst=Dst, src=Src}. +mk_move(Dst, Src) -> false = is_fpreg(Dst), false = is_fpreg(Src), #move{dst=Dst, src=Src}. move_dst(#move{dst=Dst}) -> Dst. -move_dst_update(M, NewDst) -> M#move{dst=NewDst}. +move_dst_update(M, NewDst) -> false = is_fpreg(NewDst), M#move{dst=NewDst}. move_src(#move{src=Src}) -> Src. -move_src_update(M, NewSrc) -> M#move{src=NewSrc}. +move_src_update(M, NewSrc) -> false = is_fpreg(NewSrc), M#move{src=NewSrc}. %% is_move(#move{}) -> true; %% is_move(_) -> false. @@ -469,7 +469,11 @@ phi_remove_pred(Phi, Pred) -> case NewArgList of [Arg] -> %% the phi should be turned into a move instruction {_Label,Var} = Arg, - mk_move(phi_dst(Phi), Var); + Dst = phi_dst(Phi), + case {is_fpreg(Dst), is_fpreg(Var)} of + {true, true} -> mk_fmove(Dst, Var); + {false, false} -> mk_move(Dst, Var) + end; %% io:format("~nPhi (~w) turned into move (~w) when removing pred ~w~n",[Phi,Move,Pred]), [_|_] -> Phi#phi{arglist=NewArgList} @@ -836,11 +840,11 @@ fp_unop_op(#fp_unop{op=Op}) -> Op. %% fmove %% -mk_fmove(X, Y) -> #fmove{dst=X, src=Y}. +mk_fmove(X, Y) -> true = is_fpreg(X), true = is_fpreg(Y), #fmove{dst=X, src=Y}. fmove_dst(#fmove{dst=Dst}) -> Dst. -fmove_dst_update(M, NewDst) -> M#fmove{dst=NewDst}. +fmove_dst_update(M, NewDst) -> true = is_fpreg(NewDst), M#fmove{dst=NewDst}. fmove_src(#fmove{src=Src}) -> Src. -fmove_src_update(M, NewSrc) -> M#fmove{src=NewSrc}. +fmove_src_update(M, NewSrc) -> true = is_fpreg(NewSrc), M#fmove{src=NewSrc}. %% %% fconv |