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author | Magnus Lång <[email protected]> | 2016-03-12 01:22:45 +0100 |
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committer | Magnus Lång <[email protected]> | 2016-08-30 17:02:37 +0200 |
commit | d93a42112b35e4dbfb0f34b413fffb543f15ca3e (patch) | |
tree | 1de60981f1c99cfc66fa7e911063f1cc4ee58679 /lib/hipe/x86/hipe_x86_ra_x87_ls.erl | |
parent | 85234b4069c9b75e3ae5ddf643b981d7428fb81f (diff) | |
download | otp-d93a42112b35e4dbfb0f34b413fffb543f15ca3e.tar.gz otp-d93a42112b35e4dbfb0f34b413fffb543f15ca3e.tar.bz2 otp-d93a42112b35e4dbfb0f34b413fffb543f15ca3e.zip |
hipe_x86: LSRA for SSE2
There is little point offering LSRA for x86 if we're still going to call
hipe_graph_coloring_regalloc for the floats. In particular, all
allocators except LSRA allocates an N^2 interference matrix, making them
unusable for really large functions.
Diffstat (limited to 'lib/hipe/x86/hipe_x86_ra_x87_ls.erl')
-rw-r--r-- | lib/hipe/x86/hipe_x86_ra_x87_ls.erl | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/lib/hipe/x86/hipe_x86_ra_x87_ls.erl b/lib/hipe/x86/hipe_x86_ra_x87_ls.erl deleted file mode 100644 index 1ee76e5948..0000000000 --- a/lib/hipe/x86/hipe_x86_ra_x87_ls.erl +++ /dev/null @@ -1,64 +0,0 @@ -%% $Id$ -%% -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2006-2016. All Rights Reserved. -%% -%% Licensed under the Apache License, Version 2.0 (the "License"); -%% you may not use this file except in compliance with the License. -%% You may obtain a copy of the License at -%% -%% http://www.apache.org/licenses/LICENSE-2.0 -%% -%% Unless required by applicable law or agreed to in writing, software -%% distributed under the License is distributed on an "AS IS" BASIS, -%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -%% See the License for the specific language governing permissions and -%% limitations under the License. -%% -%% %CopyrightEnd% -%% - -%% Linear Scan register allocator for x87 - --ifdef(HIPE_AMD64). --define(HIPE_X86_RA_X87_LS, hipe_amd64_ra_x87_ls). --define(HIPE_X86_SPECIFIC_X87, hipe_amd64_specific_x87). --define(HIPE_X86_PP, hipe_amd64_pp). --define(HIPE_X86_RA_LS, hipe_amd64_ra_ls). --else. --define(HIPE_X86_RA_X87_LS, hipe_x86_ra_x87_ls). --define(HIPE_X86_SPECIFIC_X87, hipe_x86_specific_x87). --define(HIPE_X86_PP, hipe_x86_pp). --define(HIPE_X86_RA_LS, hipe_x86_ra_ls). --endif. - --module(?HIPE_X86_RA_X87_LS). --export([ra/2]). - -%%-define(DEBUG,1). - --define(HIPE_INSTRUMENT_COMPILER, false). %% Turn off instrumentation. --include("../main/hipe.hrl"). - -ra(Defun, Options) -> - ?inc_counter(ra_calls_counter,1), - CFG = hipe_x86_cfg:init(Defun), - %% ?inc_counter(ra_caller_saves_counter,count_caller_saves(CFG)), - SpillIndex = 0, - SpillLimit = ?HIPE_X86_SPECIFIC_X87:number_of_temporaries(CFG), - ?inc_counter(bbs_counter, length(hipe_x86_cfg:labels(CFG))), - - ?inc_counter(ra_iteration_counter,1), - %% ?HIPE_X86_PP:pp(Defun), - Cfg = hipe_x86_cfg:init(Defun), % XXX: didn't we just compute this above? - - {Coloring,NewSpillIndex} = - ?HIPE_X86_RA_LS:regalloc(Cfg, - ?HIPE_X86_SPECIFIC_X87:allocatable(), - [hipe_x86_cfg:start_label(Cfg)], - SpillIndex, SpillLimit, Options, - ?HIPE_X86_SPECIFIC_X87), - - ?add_spills(Options, NewSpillIndex), - {Defun, Coloring, NewSpillIndex}. |