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| author | Magnus Lång <[email protected]> | 2016-03-17 21:48:55 +0100 |
|---|---|---|
| committer | Magnus Lång <[email protected]> | 2016-08-30 17:17:59 +0200 |
| commit | c7a0cd1b5710178878d9b240f634e9eda7e68d96 (patch) | |
| tree | b287178ec0495d089857287df7e78b1ca119422c /lib/hipe/x86/hipe_x86_ra_ls.erl | |
| parent | dc4e9384c6f2f733ab0d12727ab53238bda3fbca (diff) | |
| download | otp-c7a0cd1b5710178878d9b240f634e9eda7e68d96.tar.gz otp-c7a0cd1b5710178878d9b240f634e9eda7e68d96.tar.bz2 otp-c7a0cd1b5710178878d9b240f634e9eda7e68d96.zip | |
hipe: Reuse liveness info for spillmin
For x86, additionally reuse liveness from float LSRA for the GP LSRA.
Diffstat (limited to 'lib/hipe/x86/hipe_x86_ra_ls.erl')
| -rw-r--r-- | lib/hipe/x86/hipe_x86_ra_ls.erl | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/lib/hipe/x86/hipe_x86_ra_ls.erl b/lib/hipe/x86/hipe_x86_ra_ls.erl index 29097f492c..9f019f9561 100644 --- a/lib/hipe/x86/hipe_x86_ra_ls.erl +++ b/lib/hipe/x86/hipe_x86_ra_ls.erl @@ -35,15 +35,15 @@ -endif. -module(?HIPE_X86_RA_LS). --export([ra/3,ra_fp/3,regalloc/7]). +-export([ra/4,ra_fp/3]). -define(HIPE_INSTRUMENT_COMPILER, true). %% Turn on instrumentation. -include("../main/hipe.hrl"). -ra(CFG, SpillIndex, Options) -> +ra(CFG, Liveness, SpillIndex, Options) -> SpillLimit = ?HIPE_X86_SPECIFIC:number_of_temporaries( CFG), ?inc_counter(bbs_counter, length(hipe_x86_cfg:labels(CFG))), - alloc(CFG, SpillIndex, SpillLimit, Options). + alloc(CFG, Liveness, SpillIndex, SpillLimit, Options). ra_fp(CFG, Options, TargetMod) -> ?inc_counter(ra_calls_counter,1), @@ -55,8 +55,9 @@ ra_fp(CFG, Options, TargetMod) -> ?inc_counter(ra_iteration_counter,1), %% ?HIPE_X86_PP:pp(Defun), - {Coloring,NewSpillIndex} = + {Coloring,NewSpillIndex,Liveness} = regalloc(CFG, + undefined, TargetMod:allocatable('linearscan'), [hipe_x86_cfg:start_label(CFG)], SpillIndex, SpillLimit, Options, @@ -66,19 +67,20 @@ ra_fp(CFG, Options, TargetMod) -> TargetMod:check_and_rewrite(CFG, Coloring, 'linearscan'), TempMap = hipe_temp_map:cols2tuple(Coloring, TargetMod), {TempMap2, NewSpillIndex2} = - hipe_spillmin:stackalloc(CFG, [], SpillIndex, Options, + hipe_spillmin:stackalloc(CFG, Liveness, [], SpillIndex, Options, TargetMod, TempMap), Coloring2 = hipe_spillmin:mapmerge(hipe_temp_map:to_substlist(TempMap), TempMap2), ?add_spills(Options, NewSpillIndex), - {NewCFG, Coloring2, NewSpillIndex2}. + {NewCFG, Coloring2, NewSpillIndex2, Liveness}. -alloc(CFG, SpillIndex, SpillLimit, Options) -> +alloc(CFG, Liveness0, SpillIndex, SpillLimit, Options) -> ?inc_counter(ra_iteration_counter,1), %% ?HIPE_X86_PP:pp(Defun), - {Coloring, NewSpillIndex} = + {Coloring, NewSpillIndex, Liveness} = regalloc( CFG, + Liveness0, ?HIPE_X86_REGISTERS:allocatable()-- [?HIPE_X86_REGISTERS:temp1(), ?HIPE_X86_REGISTERS:temp0()], @@ -90,8 +92,8 @@ alloc(CFG, SpillIndex, SpillLimit, Options) -> CFG, Coloring, 'linearscan'), %% ?HIPE_X86_PP:pp(NewDefun), TempMap = hipe_temp_map:cols2tuple(Coloring, ?HIPE_X86_SPECIFIC), - {TempMap2,NewSpillIndex2} = - hipe_spillmin:stackalloc(CFG, [], SpillIndex, Options, + {TempMap2,NewSpillIndex2} = + hipe_spillmin:stackalloc(CFG, Liveness, [], SpillIndex, Options, ?HIPE_X86_SPECIFIC, TempMap), Coloring2 = hipe_spillmin:mapmerge(hipe_temp_map:to_substlist(TempMap), TempMap2), @@ -104,6 +106,7 @@ alloc(CFG, SpillIndex, SpillLimit, Options) -> ?add_spills(Options, NewSpillIndex), {NewCFG, Coloring2}. -regalloc(CFG,PhysRegs,Entrypoints, SpillIndex, DontSpill, Options, Target) -> - hipe_ls_regalloc:regalloc(CFG,PhysRegs,Entrypoints, SpillIndex, +regalloc(CFG,Liveness,PhysRegs,Entrypoints, SpillIndex, DontSpill, Options, + Target) -> + hipe_ls_regalloc:regalloc(CFG,Liveness,PhysRegs,Entrypoints, SpillIndex, DontSpill, Options, Target). |