diff options
Diffstat (limited to 'lib/hipe/arm')
-rw-r--r-- | lib/hipe/arm/Makefile | 1 | ||||
-rw-r--r-- | lib/hipe/arm/hipe_arm_defuse.erl | 7 | ||||
-rw-r--r-- | lib/hipe/arm/hipe_arm_ra.erl | 28 | ||||
-rw-r--r-- | lib/hipe/arm/hipe_arm_ra_ls.erl | 29 | ||||
-rw-r--r-- | lib/hipe/arm/hipe_arm_ra_naive.erl | 6 | ||||
-rw-r--r-- | lib/hipe/arm/hipe_arm_ra_postconditions.erl | 2 | ||||
-rw-r--r-- | lib/hipe/arm/hipe_arm_registers.erl | 2 | ||||
-rw-r--r-- | lib/hipe/arm/hipe_arm_subst.erl | 112 |
8 files changed, 157 insertions, 30 deletions
diff --git a/lib/hipe/arm/Makefile b/lib/hipe/arm/Makefile index 00b6732afa..ed2eccf428 100644 --- a/lib/hipe/arm/Makefile +++ b/lib/hipe/arm/Makefile @@ -61,6 +61,7 @@ MODULES=hipe_arm \ hipe_arm_ra_naive \ hipe_arm_ra_postconditions \ hipe_arm_registers \ + hipe_arm_subst \ hipe_rtl_to_arm HRL_FILES=hipe_arm.hrl diff --git a/lib/hipe/arm/hipe_arm_defuse.erl b/lib/hipe/arm/hipe_arm_defuse.erl index f57b0e601c..f92cf4f82a 100644 --- a/lib/hipe/arm/hipe_arm_defuse.erl +++ b/lib/hipe/arm/hipe_arm_defuse.erl @@ -22,6 +22,7 @@ -module(hipe_arm_defuse). -export([insn_def_all/1, insn_use_all/1]). -export([insn_def_gpr/1, insn_use_gpr/1]). +-export([insn_defs_all_gpr/1]). -include("hipe_arm.hrl"). %%% @@ -55,6 +56,12 @@ insn_def_gpr(I) -> _ -> [] end. +insn_defs_all_gpr(I) -> + case I of + #pseudo_call{} -> true; + _ -> false + end. + call_clobbered_gpr() -> [hipe_arm:mk_temp(R, T) || {R,T} <- hipe_arm_registers:call_clobbered() ++ all_fp_pseudos()]. diff --git a/lib/hipe/arm/hipe_arm_ra.erl b/lib/hipe/arm/hipe_arm_ra.erl index 5a7884b63c..bfb649326c 100644 --- a/lib/hipe/arm/hipe_arm_ra.erl +++ b/lib/hipe/arm/hipe_arm_ra.erl @@ -24,28 +24,31 @@ ra(CFG0, Options) -> %% hipe_arm_pp:pp(hipe_arm_cfg:linearise(CFG0)), - {CFG1, Coloring_fp, SpillIndex} + {CFG1, _FPLiveness1, Coloring_fp, SpillIndex} = case proplists:get_bool(inline_fp, Options) of %% true -> -%% hipe_regalloc_loop:ra_fp(CFG0, Options, +%% FPLiveness0 = hipe_arm_specific_fp:analyze(CFG0, no_context), +%% hipe_regalloc_loop:ra_fp(CFG0, FPLiveness0, Options, %% hipe_coalescing_regalloc, -%% hipe_arm_specific_fp); +%% hipe_arm_specific_fp, no_context); false -> - {CFG0,[],0} + {CFG0,undefined,[],0} end, %% hipe_arm_pp:pp(hipe_arm_cfg:linearise(CFG1)), - {CFG2, Coloring} + GPLiveness1 = hipe_arm_specific:analyze(CFG1, no_context), + {CFG2, _GPLiveness2, Coloring} = case proplists:get_value(regalloc, Options, coalescing) of coalescing -> - ra(CFG1, SpillIndex, Options, hipe_coalescing_regalloc); + ra(CFG1, GPLiveness1, SpillIndex, Options, hipe_coalescing_regalloc); optimistic -> - ra(CFG1, SpillIndex, Options, hipe_optimistic_regalloc); + ra(CFG1, GPLiveness1, SpillIndex, Options, hipe_optimistic_regalloc); graph_color -> - ra(CFG1, SpillIndex, Options, hipe_graph_coloring_regalloc); + ra(CFG1, GPLiveness1, SpillIndex, Options, + hipe_graph_coloring_regalloc); linear_scan -> - hipe_arm_ra_ls:ra(CFG1, SpillIndex, Options); + hipe_arm_ra_ls:ra(CFG1, GPLiveness1, SpillIndex, Options); naive -> - hipe_arm_ra_naive:ra(CFG1, Coloring_fp, Options); + hipe_arm_ra_naive:ra(CFG1, GPLiveness1, Coloring_fp, Options); _ -> exit({unknown_regalloc_compiler_option, proplists:get_value(regalloc,Options)}) @@ -53,5 +56,6 @@ ra(CFG0, Options) -> %% hipe_arm_pp:pp(hipe_arm_cfg:linearise(CFG2)), hipe_arm_ra_finalise:finalise(CFG2, Coloring, Coloring_fp). -ra(CFG, SpillIndex, Options, RegAllocMod) -> - hipe_regalloc_loop:ra(CFG, SpillIndex, Options, RegAllocMod, hipe_arm_specific). +ra(CFG, Liveness, SpillIndex, Options, RegAllocMod) -> + hipe_regalloc_loop:ra(CFG, Liveness, SpillIndex, Options, RegAllocMod, + hipe_arm_specific, no_context). diff --git a/lib/hipe/arm/hipe_arm_ra_ls.erl b/lib/hipe/arm/hipe_arm_ra_ls.erl index f9193ca9e0..0aa888da99 100644 --- a/lib/hipe/arm/hipe_arm_ra_ls.erl +++ b/lib/hipe/arm/hipe_arm_ra_ls.erl @@ -21,34 +21,35 @@ %%% Linear Scan register allocator for ARM -module(hipe_arm_ra_ls). --export([ra/3]). +-export([ra/4]). -ra(CFG, SpillIndex, Options) -> - SpillLimit = hipe_arm_specific:number_of_temporaries(CFG), - alloc(CFG, SpillIndex, SpillLimit, Options). +ra(CFG, Liveness, SpillIndex, Options) -> + SpillLimit = hipe_arm_specific:number_of_temporaries(CFG, no_context), + alloc(CFG, Liveness, SpillIndex, SpillLimit, Options). -alloc(CFG, SpillIndex, SpillLimit, Options) -> - {Coloring, _NewSpillIndex, Liveness} = +alloc(CFG, Liveness, SpillIndex, SpillLimit, Options) -> + {Coloring, _NewSpillIndex} = regalloc( - CFG, + CFG, Liveness, hipe_arm_registers:allocatable_gpr()-- [hipe_arm_registers:temp3(), hipe_arm_registers:temp2(), hipe_arm_registers:temp1()], [hipe_arm_cfg:start_label(CFG)], SpillIndex, SpillLimit, Options, - hipe_arm_specific), + hipe_arm_specific, no_context), {NewCFG, _DidSpill} = hipe_arm_ra_postconditions:check_and_rewrite( CFG, Coloring, 'linearscan'), - TempMap = hipe_temp_map:cols2tuple(Coloring, hipe_arm_specific), + TempMap = hipe_temp_map:cols2tuple(Coloring, hipe_arm_specific, no_context), {SpillMap, _NewSpillIndex2} = hipe_spillmin:stackalloc(CFG, Liveness, [], SpillIndex, Options, - hipe_arm_specific, TempMap), + hipe_arm_specific, no_context, TempMap), Coloring2 = hipe_spillmin:mapmerge(hipe_temp_map:to_substlist(TempMap), SpillMap), - {NewCFG, Coloring2}. + {NewCFG, Liveness, Coloring2}. -regalloc(CFG, PhysRegs, Entrypoints, SpillIndex, DontSpill, Options, Target) -> - hipe_ls_regalloc:regalloc( - CFG, PhysRegs, Entrypoints, SpillIndex, DontSpill, Options, Target). +regalloc(CFG, Liveness, PhysRegs, Entrypoints, SpillIndex, DontSpill, Options, + TgtMod, TgtCtx) -> + hipe_ls_regalloc:regalloc(CFG, Liveness, PhysRegs, Entrypoints, SpillIndex, + DontSpill, Options, TgtMod, TgtCtx). diff --git a/lib/hipe/arm/hipe_arm_ra_naive.erl b/lib/hipe/arm/hipe_arm_ra_naive.erl index 0ea4b04092..395beff292 100644 --- a/lib/hipe/arm/hipe_arm_ra_naive.erl +++ b/lib/hipe/arm/hipe_arm_ra_naive.erl @@ -20,11 +20,11 @@ %% -module(hipe_arm_ra_naive). --export([ra/3]). +-export([ra/4]). -include("hipe_arm.hrl"). -ra(CFG, _Coloring_fp, _Options) -> % -> {CFG, Coloring} +ra(CFG, Liveness, _Coloring_fp, _Options) -> % -> {CFG, Liveness, Coloring} {NewCFG,_DidSpill} = hipe_arm_ra_postconditions:check_and_rewrite2(CFG, [], 'naive'), - {NewCFG, []}. + {NewCFG, Liveness, []}. diff --git a/lib/hipe/arm/hipe_arm_ra_postconditions.erl b/lib/hipe/arm/hipe_arm_ra_postconditions.erl index 04365f29b0..412524e2e6 100644 --- a/lib/hipe/arm/hipe_arm_ra_postconditions.erl +++ b/lib/hipe/arm/hipe_arm_ra_postconditions.erl @@ -26,7 +26,7 @@ -include("hipe_arm.hrl"). check_and_rewrite(CFG, Coloring, Allocator) -> - TempMap = hipe_temp_map:cols2tuple(Coloring, hipe_arm_specific), + TempMap = hipe_temp_map:cols2tuple(Coloring, hipe_arm_specific, no_context), check_and_rewrite2(CFG, TempMap, Allocator). check_and_rewrite2(CFG, TempMap, Allocator) -> diff --git a/lib/hipe/arm/hipe_arm_registers.erl b/lib/hipe/arm/hipe_arm_registers.erl index dcf039676b..3ecf2f2fdb 100644 --- a/lib/hipe/arm/hipe_arm_registers.erl +++ b/lib/hipe/arm/hipe_arm_registers.erl @@ -180,6 +180,8 @@ is_arg(R) -> _ -> false end. +%% Note: the fact that allocatable_gpr() is a subset of call_clobbered() is +%% hard-coded in hipe_arm_defuse:insn_defs_all_gpr/1 call_clobbered() -> % does the RA strip the type or not? [{?R0,tagged},{?R0,untagged}, {?R1,tagged},{?R1,untagged}, diff --git a/lib/hipe/arm/hipe_arm_subst.erl b/lib/hipe/arm/hipe_arm_subst.erl new file mode 100644 index 0000000000..4d077f3cd6 --- /dev/null +++ b/lib/hipe/arm/hipe_arm_subst.erl @@ -0,0 +1,112 @@ +%% -*- erlang-indent-level: 2 -*- +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 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% +%% + +-module(hipe_arm_subst). +-export([insn_temps/2]). +-include("hipe_arm.hrl"). + +%% These should be moved to hipe_arm and exported +-type temp() :: #arm_temp{}. +-type shiftop() :: lsl | lsr | asr | ror. +-type imm4() :: 0..15. +-type imm5() :: 0..31. +-type imm8() :: 0..255. +-type am1() :: {imm8(),imm4()} + | temp() + | {temp(), rrx} + | {temp(), shiftop(), imm5()} + | {temp(), shiftop(), temp()}. +-type am2() :: #am2{}. +-type am3() :: #am3{}. +-type arg() :: temp() | integer(). +-type funv() :: #arm_mfa{} | #arm_prim{} | temp(). +-type insn() :: tuple(). % for now + +-type subst_fun() :: fun((temp()) -> temp()). + +%% @doc Maps over the temporaries in an instruction +-spec insn_temps(subst_fun(), insn()) -> insn(). +insn_temps(T, I) -> + AM1 = fun(O) -> am1_temps(T, O) end, + AM2 = fun(O) -> am2_temps(T, O) end, + AM3 = fun(O) -> am3_temps(T, O) end, + Arg = fun(O) -> arg_temps(T, O) end, + case I of + #alu {dst=D,src=L,am1=R} -> I#alu{dst=T(D),src=T(L),am1=AM1(R)}; + #cmp {src=L,am1=R} -> I#cmp {src=T(L),am1=AM1(R)}; + #load {dst=D,am2=S} -> I#load {dst=T(D),am2=AM2(S)}; + #ldrsb {dst=D,am3=S} -> I#ldrsb {dst=T(D),am3=AM3(S)}; + #move {dst=D,am1=S} -> I#move {dst=T(D),am1=AM1(S)}; + #pseudo_move{dst=D,src=S} -> I#pseudo_move {dst=T(D),src=T(S)}; + #store {src=S,am2=D} -> I#store {src=T(S),am2=AM2(D)}; + #b_label{} -> I; + #comment{} -> I; + #label{} -> I; + #pseudo_bc{} -> I; + #pseudo_blr{} -> I; + #pseudo_call{funv=F} -> I#pseudo_call{funv=funv_temps(T, F)}; + #pseudo_call_prepare{} -> I; + #pseudo_li{dst=D} -> I#pseudo_li{dst=T(D)}; + #pseudo_switch{jtab=J=#arm_temp{},index=Ix=#arm_temp{}} -> + I#pseudo_switch{jtab=T(J),index=T(Ix)}; + #pseudo_tailcall{funv=F,stkargs=Stk} -> + I#pseudo_tailcall{funv=funv_temps(T,F),stkargs=lists:map(Arg,Stk)}; + #pseudo_tailcall_prepare{} -> I; + #smull{dstlo=DL,dsthi=DH,src1=L,src2=R} -> + I#smull{dstlo=T(DL),dsthi=T(DH),src1=T(L),src2=T(R)} + end. + +-spec am1_temps(subst_fun(), am1()) -> am1(). +am1_temps(_SubstTemp, T={C,R}) when is_integer(C), is_integer(R) -> T; +am1_temps(SubstTemp, T=#arm_temp{}) -> SubstTemp(T); +am1_temps(SubstTemp, {T=#arm_temp{},rrx}) -> {SubstTemp(T),rrx}; +am1_temps(SubstTemp, {A=#arm_temp{},Op,B=#arm_temp{}}) when is_atom(Op) -> + {SubstTemp(A),Op,SubstTemp(B)}; +am1_temps(SubstTemp, {T=#arm_temp{},Op,I}) when is_atom(Op), is_integer(I) -> + {SubstTemp(T),Op,I}. + +-spec am2_temps(subst_fun(), am2()) -> am2(). +am2_temps(SubstTemp, T=#am2{src=A=#arm_temp{},offset=O0}) -> + O = case O0 of + _ when is_integer(O0) -> O0; + #arm_temp{} -> SubstTemp(O0); + {B=#arm_temp{},rrx} -> {SubstTemp(B),rrx}; + {B=#arm_temp{},Op,I} when is_atom(Op), is_integer(I) -> + {SubstTemp(B),Op,I} + end, + T#am2{src=SubstTemp(A),offset=O}. + +-spec am3_temps(subst_fun(), am3()) -> am3(). +am3_temps(SubstTemp, T=#am3{src=A=#arm_temp{},offset=O0}) -> + O = case O0 of + _ when is_integer(O0) -> O0; + #arm_temp{} -> SubstTemp(O0) + end, + T#am3{src=SubstTemp(A),offset=O}. + +-spec funv_temps(subst_fun(), funv()) -> funv(). +funv_temps(_SubstTemp, M=#arm_mfa{}) -> M; +funv_temps(_SubstTemp, P=#arm_prim{}) -> P; +funv_temps(SubstTemp, T=#arm_temp{}) -> SubstTemp(T). + +-spec arg_temps(subst_fun(), arg()) -> arg(). +arg_temps(_SubstTemp, Imm) when is_integer(Imm) -> Imm; +arg_temps(SubstTemp, T=#arm_temp{}) -> SubstTemp(T). |