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-rw-r--r--lib/hipe/regalloc/hipe_amd64_specific_sse2.erl26
1 files changed, 21 insertions, 5 deletions
diff --git a/lib/hipe/regalloc/hipe_amd64_specific_sse2.erl b/lib/hipe/regalloc/hipe_amd64_specific_sse2.erl
index 50e5869d45..8766712ecd 100644
--- a/lib/hipe/regalloc/hipe_amd64_specific_sse2.erl
+++ b/lib/hipe/regalloc/hipe_amd64_specific_sse2.erl
@@ -42,7 +42,9 @@
reg_nr/1,
non_alloc/1,
allocatable/0,
- physical_name/1,
+ allocatable/1,
+ temp0/0,
+ physical_name/1,
all_precoloured/0,
new_spill_index/1, %% used by hipe_ls_regalloc
var_range/1,
@@ -52,7 +54,8 @@
%% callbacks for hipe_regalloc_loop
-export([defun_to_cfg/1,
- check_and_rewrite/2]).
+ check_and_rewrite/2,
+ check_and_rewrite/3]).
%%----------------------------------------------------------------------------
@@ -66,6 +69,10 @@ defun_to_cfg(Defun) ->
check_and_rewrite(Defun, Coloring) ->
hipe_amd64_ra_sse2_postconditions:check_and_rewrite(Defun, Coloring).
+check_and_rewrite(Defun, Coloring, Strategy) ->
+ hipe_amd64_ra_sse2_postconditions:check_and_rewrite(
+ Defun, Coloring, Strategy).
+
reverse_postorder(CFG) ->
hipe_x86_cfg:reverse_postorder(CFG).
@@ -75,8 +82,8 @@ breadthorder(CFG) ->
postorder(CFG) ->
hipe_x86_cfg:postorder(CFG).
-is_global(_Reg) ->
- false.
+is_global(Reg) ->
+ hipe_amd64_registers:sse2_temp0() =:= Reg.
is_fixed(_Reg) ->
false.
@@ -109,7 +116,16 @@ liveout(BB_in_out_liveness, Label) ->
%% Registers stuff
allocatable() ->
- hipe_amd64_registers:allocatable_sse2().
+ allocatable('normal').
+
+allocatable('normal') ->
+ hipe_amd64_registers:allocatable_sse2();
+allocatable('linearscan') ->
+ hipe_amd64_registers:allocatable_sse2() --
+ [hipe_amd64_registers:sse2_temp0()].
+
+temp0() ->
+ hipe_amd64_registers:sse2_temp0().
all_precoloured() ->
allocatable().