aboutsummaryrefslogtreecommitdiffstats
path: root/lib/hipe/x86/hipe_x86_ra_finalise.erl
diff options
context:
space:
mode:
authorSverker Eriksson <[email protected]>2016-10-05 16:11:31 +0200
committerSverker Eriksson <[email protected]>2016-10-05 16:11:31 +0200
commit502ed5fd6bd36328d6be63c68ee2a56738ced058 (patch)
tree80cfb83dd63ffa876541740cc067ea05bb39118d /lib/hipe/x86/hipe_x86_ra_finalise.erl
parentcf102c1b1225450e7918a6119b7d949eb7e575c4 (diff)
parent0bac72a18e8a5f6a46baae9c9ac73bde32948ff6 (diff)
downloadotp-502ed5fd6bd36328d6be63c68ee2a56738ced058.tar.gz
otp-502ed5fd6bd36328d6be63c68ee2a56738ced058.tar.bz2
otp-502ed5fd6bd36328d6be63c68ee2a56738ced058.zip
Merge branch 'master' into sverker/master/load_nif-print-init-error
Diffstat (limited to 'lib/hipe/x86/hipe_x86_ra_finalise.erl')
-rw-r--r--lib/hipe/x86/hipe_x86_ra_finalise.erl76
1 files changed, 34 insertions, 42 deletions
diff --git a/lib/hipe/x86/hipe_x86_ra_finalise.erl b/lib/hipe/x86/hipe_x86_ra_finalise.erl
index 5dd75cb7ae..edfd7b332c 100644
--- a/lib/hipe/x86/hipe_x86_ra_finalise.erl
+++ b/lib/hipe/x86/hipe_x86_ra_finalise.erl
@@ -25,23 +25,36 @@
-define(HIPE_X86_RA_FINALISE, hipe_amd64_ra_finalise).
-define(HIPE_X86_REGISTERS, hipe_amd64_registers).
-define(HIPE_X86_X87, hipe_amd64_x87).
+-define(HIPE_X86_SSE2, hipe_amd64_sse2).
+-define(IF_HAS_SSE2(Expr), Expr).
-else.
-define(HIPE_X86_RA_FINALISE, hipe_x86_ra_finalise).
-define(HIPE_X86_REGISTERS, hipe_x86_registers).
-define(HIPE_X86_X87, hipe_x86_x87).
+-define(IF_HAS_SSE2(Expr),).
-endif.
-module(?HIPE_X86_RA_FINALISE).
-export([finalise/4]).
-include("../x86/hipe_x86.hrl").
-finalise(Defun, TempMap, FpMap, Options) ->
- Defun1 = finalise_ra(Defun, TempMap, FpMap, Options),
+finalise(CFG0, TempMap, FpMap, Options) ->
+ CFG1 = finalise_ra(CFG0, TempMap, FpMap, Options),
case proplists:get_bool(x87, Options) of
true ->
- ?HIPE_X86_X87:map(Defun1);
+ ?HIPE_X86_X87:map(CFG1);
_ ->
- Defun1
+ case
+ proplists:get_bool(inline_fp, Options)
+ and (proplists:get_value(regalloc, Options) =:= linear_scan)
+ of
+ %% Ugly, but required to avoid Dialyzer complaints about "Unknown
+ %% function" hipe_x86_sse2:map/1
+ ?IF_HAS_SSE2(true ->
+ ?HIPE_X86_SSE2:map(CFG1);)
+ false ->
+ CFG1
+ end
end.
%%%
@@ -50,15 +63,16 @@ finalise(Defun, TempMap, FpMap, Options) ->
%%% but I just want this to work now)
%%%
-finalise_ra(Defun, [], [], _Options) ->
- Defun;
-finalise_ra(Defun, TempMap, FpMap, Options) ->
- Code = hipe_x86:defun_code(Defun),
- {_, SpillLimit} = hipe_x86:defun_var_range(Defun),
+finalise_ra(CFG, [], [], _Options) ->
+ CFG;
+finalise_ra(CFG, TempMap, FpMap, Options) ->
+ {_, SpillLimit} = hipe_gensym:var_range(x86),
Map = mk_ra_map(TempMap, SpillLimit),
FpMap0 = mk_ra_map_fp(FpMap, SpillLimit, Options),
- NewCode = ra_code(Code, Map, FpMap0),
- Defun#defun{code=NewCode}.
+ hipe_x86_cfg:map_bbs(fun(_Lbl, BB) -> ra_bb(BB, Map, FpMap0) end, CFG).
+
+ra_bb(BB, Map, FpMap) ->
+ hipe_bb:code_update(BB, ra_code(hipe_bb:code(BB), Map, FpMap)).
ra_code(Code, Map, FpMap) ->
[ra_insn(I, Map, FpMap) || I <- Code].
@@ -230,49 +244,27 @@ mk_ra_map(TempMap, SpillLimit) ->
gb_trees:empty(),
TempMap).
-conv_ra_maplet(MapLet = {From,To}, SpillLimit, IsPrecoloured) ->
+conv_ra_maplet({From,To}, SpillLimit, IsPrecoloured)
+ when is_integer(From), From =< SpillLimit ->
%% From should be a pseudo, or a hard reg mapped to itself.
- if is_integer(From), From =< SpillLimit ->
- case ?HIPE_X86_REGISTERS:IsPrecoloured(From) of
- false -> [];
- _ ->
- case To of
- {reg, From} -> [];
- _ -> exit({?MODULE,conv_ra_maplet,MapLet})
- end
- end;
- true -> exit({?MODULE,conv_ra_maplet,MapLet})
+ case ?HIPE_X86_REGISTERS:IsPrecoloured(From) of
+ false -> ok;
+ _ -> To = {reg, From}, ok
end,
%% end of From check
case To of
- {reg, NewReg} ->
+ {reg, NewReg} when is_integer(NewReg) ->
%% NewReg should be a hard reg, or a pseudo mapped
%% to itself (formals are handled this way).
- if is_integer(NewReg) ->
- case ?HIPE_X86_REGISTERS:IsPrecoloured(NewReg) of
- true -> [];
- _ -> if From =:= NewReg -> [];
- true ->
- exit({?MODULE,conv_ra_maplet,MapLet})
- end
- end;
- true -> exit({?MODULE,conv_ra_maplet,MapLet})
- end,
- %% end of NewReg check
+ true = (?HIPE_X86_REGISTERS:IsPrecoloured(NewReg) orelse From =:= NewReg),
{From, NewReg};
- {spill, SpillIndex} ->
- %% SpillIndex should be >= 0.
- if is_integer(SpillIndex), SpillIndex >= 0 -> [];
- true -> exit({?MODULE,conv_ra_maplet,MapLet})
- end,
- %% end of SpillIndex check
+ {spill, SpillIndex} when is_integer(SpillIndex), SpillIndex >= 0 ->
ToTempNum = SpillLimit+SpillIndex+1,
MaxTempNum = hipe_gensym:get_var(x86),
if MaxTempNum >= ToTempNum -> ok;
true -> hipe_gensym:set_var(x86, ToTempNum)
end,
- {From, ToTempNum};
- _ -> exit({?MODULE,conv_ra_maplet,MapLet})
+ {From, ToTempNum}
end.
mk_ra_map_x87(FpMap, SpillLimit) ->