1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
%% $Id$
%% Linear Scan register allocator for sparc
-module(hipe_sparc_ra_fp_ls).
-export([alloc/4]).
-define(HIPE_INSTRUMENT_COMPILER, true). %% Turn on instrumentation.
%-define(DEBUG,true).
-include("../main/hipe.hrl").
alloc(CFG, Options, NextPos, _TempMap) ->
SpillLimit = hipe_sparc_specific_fp:number_of_temporaries(CFG),
alloc1(CFG, NextPos, SpillLimit, Options).
alloc1(SparcCfg, SpillIndex, SpillLimit, Options) ->
{Map, NewSpillIndex} =
hipe_ls_regalloc:regalloc(SparcCfg,
hipe_sparc_specific_fp:allocatable(),
[hipe_sparc_cfg:start_label(SparcCfg)],
SpillIndex,
SpillLimit,
Options,
hipe_sparc_specific_fp),
FpMap = hipe_temp_map:cols2tuple(Map, hipe_sparc_specific_fp),
NewCfg = hipe_sparc_ra_post_ls_fp:rewrite(SparcCfg, FpMap, Options),
%% Consider counting fp spills here.
{NewCfg, FpMap, NewSpillIndex}.
|
