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authorSverker Eriksson <[email protected]>2016-09-02 14:51:25 +0200
committerSverker Eriksson <[email protected]>2016-09-02 14:51:25 +0200
commitc2f8b61ca3682281752fa0984699214dfcbf7ccd (patch)
tree3f44fa5c58d0d0d845045c3c5535aefad333b6dd /lib/hipe/regalloc/hipe_amd64_specific_sse2.erl
parent87643cf92c061d7518299fdebb326e315c32e528 (diff)
parenta19e3f0e1e82b793d58f9ef0db907ba637793fb6 (diff)
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Merge branch 'sverker/hipe-performance-o1/PR-1154/OTP-13862'
* sverker/hipe-performance-o1/PR-1154: hipe_sparc: Minimise CFG<->linear conversions hipe_ppc: Minimise CFG<->linear conversions hipe_arm: Minimise CFG<->linear conversions hipe_x86: Use lea instead of move+add hipe_arm: Improve peephole optimiser hipe_arm: Be resilient to crappy RTL hipe_ppc: Be resilient to crappy RTL hipe_sparc: Be resilient to crappy RTL hipe: Reuse liveness info for spillmin hipe_x86: Minimise CFG<->linear conversions hipe: Fix o0 and o1 hipe: Add o0 and o1 to tests hipe_rtl_binary:get_word_integer/4: Handle imms hipe_x86: Be resilient to crappy RTL hipe_x86: LSRA for SSE2
Diffstat (limited to 'lib/hipe/regalloc/hipe_amd64_specific_sse2.erl')
-rw-r--r--lib/hipe/regalloc/hipe_amd64_specific_sse2.erl34
1 files changed, 25 insertions, 9 deletions
diff --git a/lib/hipe/regalloc/hipe_amd64_specific_sse2.erl b/lib/hipe/regalloc/hipe_amd64_specific_sse2.erl
index 50e5869d45..2e5804337d 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]).
%%----------------------------------------------------------------------------
@@ -60,11 +63,15 @@
%%----------------------------------------------------------------------------
-defun_to_cfg(Defun) ->
- hipe_x86_cfg:init(Defun).
+defun_to_cfg(AlreadyACFG) ->
+ AlreadyACFG.
-check_and_rewrite(Defun, Coloring) ->
- hipe_amd64_ra_sse2_postconditions:check_and_rewrite(Defun, Coloring).
+check_and_rewrite(CFG, Coloring) ->
+ hipe_amd64_ra_sse2_postconditions:check_and_rewrite(CFG, Coloring).
+
+check_and_rewrite(CFG, Coloring, Strategy) ->
+ hipe_amd64_ra_sse2_postconditions:check_and_rewrite(
+ CFG, 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().