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authorMarcus Arendt <[email protected]>2015-01-19 15:12:37 +0100
committerMarcus Arendt <[email protected]>2015-01-19 15:12:37 +0100
commit677cb69c4c919e40d074df3bae40338a375a4731 (patch)
tree535ea1255610910c5706c83e38d0cece0e324d8d
parent50a92094372b45c9864afe3418b79605da549122 (diff)
parent12e0894de1e1a5507b4b088a8bd5f89f8bd25b63 (diff)
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Merge branch 'mikpe/hipe-fconv-fmove-fixes/OTP-12413' into maint
* mikpe/hipe-fconv-fmove-fixes/OTP-12413: hipe: rtl: fix phi_remove_pred/2 FP moves hipe: backends: correct #fconv{} translation
-rw-r--r--lib/hipe/ppc/hipe_rtl_to_ppc.erl14
-rw-r--r--lib/hipe/rtl/hipe_rtl.erl18
-rw-r--r--lib/hipe/sparc/hipe_rtl_to_sparc.erl10
-rw-r--r--lib/hipe/x86/hipe_rtl_to_x86.erl15
4 files changed, 41 insertions, 16 deletions
diff --git a/lib/hipe/ppc/hipe_rtl_to_ppc.erl b/lib/hipe/ppc/hipe_rtl_to_ppc.erl
index 7dfa56df29..a55fc137c3 100644
--- a/lib/hipe/ppc/hipe_rtl_to_ppc.erl
+++ b/lib/hipe/ppc/hipe_rtl_to_ppc.erl
@@ -102,10 +102,18 @@ conv_insn(I, Map, Data) ->
end.
conv_fconv(I, Map, Data) ->
- %% Dst := (double)Src, where Dst is FP reg and Src is int reg
+ %% Dst := (double)Src, where Dst is FP reg and Src is GP reg or imm
{Dst, Map0} = conv_fpreg(hipe_rtl:fconv_dst(I), Map),
- {Src, Map1} = conv_src(hipe_rtl:fconv_src(I), Map0), % exclude imm src
- I2 = mk_fconv(Dst, Src),
+ {Src, Map1} = conv_src(hipe_rtl:fconv_src(I), Map0),
+ I2 =
+ case hipe_ppc:is_temp(Src) of
+ true ->
+ mk_fconv(Dst, Src);
+ false ->
+ Tmp = new_untagged_temp(),
+ mk_li(Tmp, Src,
+ mk_fconv(Dst, Tmp))
+ end,
{I2, Map1, Data}.
mk_fconv(Dst, Src) ->
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
diff --git a/lib/hipe/sparc/hipe_rtl_to_sparc.erl b/lib/hipe/sparc/hipe_rtl_to_sparc.erl
index dc001f865e..fd21be3ae7 100644
--- a/lib/hipe/sparc/hipe_rtl_to_sparc.erl
+++ b/lib/hipe/sparc/hipe_rtl_to_sparc.erl
@@ -85,17 +85,17 @@ conv_insn(I, Map, Data) ->
end.
conv_fconv(I, Map, Data) ->
- %% Dst := (double)Src, where Dst is FP reg and Src is int reg
- {Src, Map1} = conv_src(hipe_rtl:fconv_src(I), Map), % exclude imm src
+ %% Dst := (double)Src, where Dst is FP reg and Src is GP reg or imm
+ {Src, Map1} = conv_src(hipe_rtl:fconv_src(I), Map),
{Dst, Map2} = conv_fpreg(hipe_rtl:fconv_dst(I), Map1),
I2 = mk_fconv(Src, Dst),
{I2, Map2, Data}.
mk_fconv(Src, Dst) ->
CSP = hipe_sparc:mk_temp(14, 'untagged'), % o6
- Disp = hipe_sparc:mk_simm13(100),
- [hipe_sparc:mk_store('stw', Src, CSP, Disp),
- hipe_sparc:mk_pseudo_fload(CSP, Disp, Dst, true),
+ Offset = 100,
+ mk_store('stw', Src, CSP, Offset) ++
+ [hipe_sparc:mk_pseudo_fload(CSP, hipe_sparc:mk_simm13(Offset), Dst, true),
hipe_sparc:mk_fp_unary('fitod', Dst, Dst)].
conv_fmove(I, Map, Data) ->
diff --git a/lib/hipe/x86/hipe_rtl_to_x86.erl b/lib/hipe/x86/hipe_rtl_to_x86.erl
index d77e4fed3b..36da2f4d44 100644
--- a/lib/hipe/x86/hipe_rtl_to_x86.erl
+++ b/lib/hipe/x86/hipe_rtl_to_x86.erl
@@ -236,7 +236,7 @@ conv_insn(I, Map, Data) ->
#fconv{} ->
{Dst, Map0} = conv_dst(hipe_rtl:fconv_dst(I), Map),
{[], Src, Map1} = conv_src(hipe_rtl:fconv_src(I), Map0),
- I2 = [hipe_x86:mk_fmove(Src, Dst)],
+ I2 = conv_fconv(Dst, Src),
{I2, Map1, Data};
X ->
%% gctest??
@@ -712,6 +712,19 @@ vmap_lookup(Map, Key) ->
vmap_bind(Map, Key, Val) ->
gb_trees:insert(Key, Val, Map).
+%%% Finalise the conversion of an Integer-to-Float operation.
+
+conv_fconv(Dst, Src) ->
+ case hipe_x86:is_imm(Src) of
+ false ->
+ [hipe_x86:mk_fmove(Src, Dst)];
+ true ->
+ %% cvtsi2sd does not allow src to be an immediate
+ Tmp = new_untagged_temp(),
+ [hipe_x86:mk_move(Src, Tmp),
+ hipe_x86:mk_fmove(Tmp, Dst)]
+ end.
+
%%% Finalise the conversion of a 2-address FP operation.
conv_fp_unary(Dst, Src, FpUnOp) ->