X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fsparc%2Fsparc_spec.pl;h=0231f816a030751562dc52e1b14331d0a856e01b;hb=8a2feafac2a06ff00822bc677983221425ea3c54;hp=33ab6914a11f76bdfca7cfc1ca1e5bc9ce9fd7a4;hpb=c791412b39e0e08cf0c804ed5a7450d869f7400f;p=libfirm diff --git a/ir/be/sparc/sparc_spec.pl b/ir/be/sparc/sparc_spec.pl index 33ab6914a..0231f816a 100644 --- a/ir/be/sparc/sparc_spec.pl +++ b/ir/be/sparc/sparc_spec.pl @@ -10,103 +10,92 @@ $mode_fp = "mode_F"; $mode_fp2 = "mode_D"; $mode_fp4 = "mode_E"; # not correct, we need to register a new mode -$normal = 0; # no special type -$caller_save = 1; # caller save (register must be saved by the caller of a function) -$callee_save = 2; # callee save (register must be saved by the called function) -$ignore = 4; # ignore (do not assign this register) -$arbitrary = 8; # emitter can choose an arbitrary register of this class -$virtual = 16; # the register is a virtual one -$state = 32; # register represents a state - # available SPARC registers: 8 globals, 24 window regs (8 ins, 8 outs, 8 locals) %reg_classes = ( gp => [ - { name => "g0", type => $ignore }, # hardwired 0, behaves like /dev/null - { name => "g1", type => $caller_save }, # temp. value - { name => "g2", type => $caller_save }, - { name => "g3", type => $caller_save }, - { name => "g4", type => $caller_save }, - { name => "g5", type => $ignore }, # reserved by SPARC ABI - { name => "g6", type => $ignore }, # reserved by SPARC ABI - { name => "g7", type => $ignore }, # reserved by SPARC ABI - - # window's out registers - { name => "o0", type => $caller_save }, # param 1 / return value from callee - { name => "o1", type => $caller_save }, # param 2 - { name => "o2", type => $caller_save }, # param 3 - { name => "o3", type => $caller_save }, # param 4 - { name => "o4", type => $caller_save }, # param 5 - { name => "o5", type => $caller_save }, # param 6 - { name => "sp", type => $ignore }, # our stackpointer - { name => "o7", type => $ignore }, # temp. value / address of CALL instr. - - # window's local registers - { name => "l0", type => 0 }, - { name => "l1", type => 0 }, - { name => "l2", type => 0 }, - { name => "l3", type => 0 }, - { name => "l4", type => 0 }, - { name => "l5", type => 0 }, - { name => "l6", type => 0 }, - { name => "l7", type => 0 }, - - # window's in registers - { name => "i0", type => 0 }, # incoming param1 / return value to caller - { name => "i1", type => 0 }, # param 2 - { name => "i2", type => 0 }, # param 3 - { name => "i3", type => 0 }, # param 4 - { name => "i4", type => 0 }, # param 5 - { name => "i5", type => 0 }, # param 6 - { name => "frame_pointer", realname => "fp", type => $ignore }, # our framepointer - { name => "i7", type => $ignore }, # return address - 8 + { name => "g0" }, + { name => "g1" }, + { name => "g2" }, + { name => "g3" }, + { name => "g4" }, + { name => "g5" }, + { name => "g6" }, + { name => "g7" }, + + { name => "o0" }, + { name => "o1" }, + { name => "o2" }, + { name => "o3" }, + { name => "o4" }, + { name => "o5" }, + { name => "sp" }, + { name => "o7" }, + + { name => "l0" }, + { name => "l1" }, + { name => "l2" }, + { name => "l3" }, + { name => "l4" }, + { name => "l5" }, + { name => "l6" }, + { name => "l7" }, + + { name => "i0" }, + { name => "i1" }, + { name => "i2" }, + { name => "i3" }, + { name => "i4" }, + { name => "i5" }, + { name => "frame_pointer", realname => "fp" }, + { name => "i7" }, { mode => $mode_gp } ], fpflags_class => [ - { name => "fpflags", type => $ignore }, + { name => "fpflags" }, { mode => $mode_fpflags, flags => "manual_ra" } ], flags_class => [ - { name => "flags", type => $ignore }, + { name => "flags" }, { mode => $mode_flags, flags => "manual_ra" } ], mul_div_high_res => [ - { name => "y", type => $ignore }, + { name => "y" }, { mode => $mode_gp, flags => "manual_ra" } ], # fp registers can be accessed any time fp => [ - { name => "f0", type => $caller_save }, - { name => "f1", type => $caller_save }, - { name => "f2", type => $caller_save }, - { name => "f3", type => $caller_save }, - { name => "f4", type => $caller_save }, - { name => "f5", type => $caller_save }, - { name => "f6", type => $caller_save }, - { name => "f7", type => $caller_save }, - { name => "f8", type => $caller_save }, - { name => "f9", type => $caller_save }, - { name => "f10", type => $caller_save }, - { name => "f11", type => $caller_save }, - { name => "f12", type => $caller_save }, - { name => "f13", type => $caller_save }, - { name => "f14", type => $caller_save }, - { name => "f15", type => $caller_save }, - { name => "f16", type => $caller_save }, - { name => "f17", type => $caller_save }, - { name => "f18", type => $caller_save }, - { name => "f19", type => $caller_save }, - { name => "f20", type => $caller_save }, - { name => "f21", type => $caller_save }, - { name => "f22", type => $caller_save }, - { name => "f23", type => $caller_save }, - { name => "f24", type => $caller_save }, - { name => "f25", type => $caller_save }, - { name => "f26", type => $caller_save }, - { name => "f27", type => $caller_save }, - { name => "f28", type => $caller_save }, - { name => "f29", type => $caller_save }, - { name => "f30", type => $caller_save }, - { name => "f31", type => $caller_save }, + { name => "f0" }, + { name => "f1" }, + { name => "f2" }, + { name => "f3" }, + { name => "f4" }, + { name => "f5" }, + { name => "f6" }, + { name => "f7" }, + { name => "f8" }, + { name => "f9" }, + { name => "f10" }, + { name => "f11" }, + { name => "f12" }, + { name => "f13" }, + { name => "f14" }, + { name => "f15" }, + { name => "f16" }, + { name => "f17" }, + { name => "f18" }, + { name => "f19" }, + { name => "f20" }, + { name => "f21" }, + { name => "f22" }, + { name => "f23" }, + { name => "f24" }, + { name => "f25" }, + { name => "f26" }, + { name => "f27" }, + { name => "f28" }, + { name => "f29" }, + { name => "f30" }, + { name => "f31" }, { mode => $mode_fp } ] ); # %reg_classes @@ -134,15 +123,14 @@ $default_copy_attr = "sparc_copy_attr"; %init_attr = ( - sparc_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);", - sparc_load_store_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);", - sparc_jmp_cond_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);", - sparc_switch_jmp_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);\n". + sparc_attr_t => "\tinit_sparc_attributes(res, irn_flags_, in_reqs, exec_units, n_res);", + sparc_load_store_attr_t => "\tinit_sparc_attributes(res, irn_flags_, in_reqs, exec_units, n_res);", + sparc_jmp_cond_attr_t => "\tinit_sparc_attributes(res, irn_flags_, in_reqs, exec_units, n_res);", + sparc_switch_jmp_attr_t => "\tinit_sparc_attributes(res, irn_flags_, in_reqs, exec_units, n_res);\n". "\tinit_sparc_switch_jmp_attributes(res, default_pn, jump_table);\n", - sparc_save_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);", - sparc_fp_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);\n". + sparc_fp_attr_t => "\tinit_sparc_attributes(res, irn_flags_, in_reqs, exec_units, n_res);\n". "\tinit_sparc_fp_attributes(res, fp_mode);\n", - sparc_fp_conv_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);". + sparc_fp_conv_attr_t => "\tinit_sparc_attributes(res, irn_flags_, in_reqs, exec_units, n_res);". "\tinit_sparc_fp_conv_attributes(res, src_mode, dest_mode);\n", ); @@ -151,19 +139,15 @@ $default_copy_attr = "sparc_copy_attr"; sparc_load_store_attr_t => "cmp_attr_sparc_load_store", sparc_jmp_cond_attr_t => "cmp_attr_sparc_jmp_cond", sparc_switch_jmp_attr_t => "cmp_attr_sparc_switch_jmp", - sparc_save_attr_t => "cmp_attr_sparc_save", sparc_fp_attr_t => "cmp_attr_sparc_fp", sparc_fp_conv_attr_t => "cmp_attr_sparc_fp_conv", ); %custom_irn_flags = ( - modifies_flags => "sparc_arch_irn_flag_modifies_flags", - modifies_fp_flags => "sparc_arch_irn_flag_modifies_fp_flags", + modifies_flags => "(arch_irn_flags_t)sparc_arch_irn_flag_modifies_flags", + modifies_fp_flags => "(arch_irn_flags_t)sparc_arch_irn_flag_modifies_fp_flags", ); -# addressing modes: imm, reg, reg +/- imm, reg + reg -# max. imm = 13 bits signed (-4096 ... 4096) - my %cmp_operand_constructors = ( imm => { attr => "ir_entity *immediate_entity, int32_t immediate_value", @@ -190,6 +174,33 @@ my %binop_operand_constructors = ( }, ); +my %binopcc_operand_constructors = ( + imm => { + attr => "ir_entity *immediate_entity, int32_t immediate_value", + custominit => "sparc_set_attr_imm(res, immediate_entity, immediate_value);", + reg_req => { in => [ "gp" ], out => [ "gp", "flags" ] }, + ins => [ "left" ], + }, + reg => { + reg_req => { in => [ "gp", "gp" ], out => [ "gp", "flags" ] }, + ins => [ "left", "right" ], + }, +); + +my %binopx_operand_constructors = ( + imm => { + attr => "ir_entity *immediate_entity, int32_t immediate_value", + custominit => "sparc_set_attr_imm(res, immediate_entity, immediate_value);", + reg_req => { in => [ "gp", "flags" ], out => [ "gp" ] }, + ins => [ "left", "carry" ], + }, + reg => { + reg_req => { in => [ "gp", "gp", "flags" ], out => [ "gp" ] }, + ins => [ "left", "right", "carry" ], + }, +); + + my %binopcczero_operand_constructors = ( imm => { attr => "ir_entity *immediate_entity, int32_t immediate_value", @@ -253,6 +264,35 @@ Add => { constructors => \%binop_operand_constructors, }, +AddCC => { + irn_flags => [ "rematerializable" ], + emit => '. addcc %S0, %R1I, %D0', + outs => [ "res", "flags" ], + constructors => \%binopcc_operand_constructors, +}, + +AddX => { + # At the moment not rematerializable because of assert in beflags.c/ + # (it claims that spiller can't rematerialize flag stuff correctly) + #irn_flags => [ "rematerializable" ], + emit => '. addx %S0, %R1I, %D0', + constructors => \%binopx_operand_constructors, + mode => $mode_gp, +}, + +AddCC_t => { + ins => [ "left", "right" ], + outs => [ "res", "flags" ], + attr_type => "", + dump_func => "NULL", +}, + +AddX_t => { + ins => [ "left", "right", "flags_input" ], + attr_type => "", + dump_func => "NULL", +}, + Sub => { irn_flags => [ "rematerializable" ], mode => $mode_gp, @@ -260,10 +300,36 @@ Sub => { constructors => \%binop_operand_constructors, }, +SubCC => { + irn_flags => [ "rematerializable" ], + emit => '. subcc %S0, %R1I, %D0', + outs => [ "res", "flags" ], + constructors => \%binopcc_operand_constructors, +}, + +SubX => { + # Not rematerializable (see AddX) + emit => '. subx %S0, %R1I, %D0', + constructors => \%binopx_operand_constructors, + mode => $mode_gp, +}, + +SubCC_t => { + ins => [ "left", "right" ], + outs => [ "res", "flags" ], + attr_type => "", + dump_func => "NULL", +}, + +SubX_t => { + ins => [ "left", "right", "flags_input" ], + attr_type => "", + dump_func => "NULL", +}, # Load / Store Ld => { - op_flags => [ "labeled", "fragile" ], + op_flags => [ "labeled" ], state => "exc_pinned", constructors => { imm => { @@ -296,7 +362,7 @@ SetHi => { }, St => { - op_flags => [ "labeled", "fragile" ], + op_flags => [ "labeled" ], mode => "mode_M", state => "exc_pinned", constructors => { @@ -320,29 +386,65 @@ St => { }, Save => { - reg_req => { - in => [ "sp", "none"], - out => [ "sp:I|S", "frame_pointer:I", "none" ] + emit => '. save %S0, %R1I, %D0', + outs => [ "stack" ], + ins => [ "stack" ], + constructors => { + imm => { + attr => "ir_entity *immediate_entity, int32_t immediate_value", + custominit => "sparc_set_attr_imm(res, immediate_entity, immediate_value);", + reg_req => { in => [ "sp" ], out => [ "sp:I|S" ] }, + ins => [ "stack" ], + }, + reg => { + reg_req => { in => [ "sp", "gp" ], out => [ "sp:I|S" ] }, + ins => [ "stack", "increment" ], + } + }, + mode => $mode_gp, +}, + +Restore => { + emit => '. restore %S0, %R1I, %D0', + outs => [ "stack" ], + ins => [ "stack" ], + constructors => { + imm => { + attr => "ir_entity *immediate_entity, int32_t immediate_value", + custominit => "sparc_set_attr_imm(res, immediate_entity, immediate_value);", + reg_req => { in => [ "sp" ], out => [ "sp:I|S" ] }, + ins => [ "stack" ], + }, + reg => { + reg_req => { in => [ "sp", "gp" ], out => [ "sp:I|S" ] }, + ins => [ "stack", "increment" ], + } }, - ins => [ "stack", "mem" ], - outs => [ "stack", "frame", "mem" ], - attr => "int initial_stacksize", - attr_type => "sparc_save_attr_t", - init_attr => "\tinit_sparc_save_attributes(res, initial_stacksize);", + mode => $mode_gp, +}, + +RestoreZero => { + reg_req => { in => [ "frame_pointer" ], out => [ "sp:I|S" ] }, + ins => [ "frame_pointer" ], + outs => [ "stack" ], + emit => '. restore', + mode => $mode_gp, }, SubSP => { - reg_req => { in => [ "sp", "gp", "none" ], out => [ "sp:I|S", "gp", "none" ] }, - ins => [ "stack", "size", "mem" ], - outs => [ "stack", "addr", "M" ], - emit => ". sub %S0, %S1, %D0\n", + reg_req => { in => [ "sp", "gp" ], out => [ "sp:I|S" ] }, + ins => [ "stack", "size" ], + outs => [ "stack" ], + emit => ". sub %S0, %S1, %D0\n", + mode => $mode_gp, }, AddSP => { - reg_req => { in => [ "sp", "gp", "none" ], out => [ "sp:I|S", "none" ] }, - ins => [ "stack", "size", "mem" ], - outs => [ "stack", "M" ], - emit => ". add %S0, %S1, %D0\n", + reg_req => { in => [ "sp", "gp" ], out => [ "sp:I|S" ] }, + ins => [ "stack", "size" ], + outs => [ "stack" ], + emit => ". add %S0, %S1, %D0\n", + mode => $mode_gp, }, FrameAddr => { @@ -361,9 +463,11 @@ Bicc => { state => "pinned", mode => "mode_T", attr_type => "sparc_jmp_cond_attr_t", - attr => "pn_Cmp pnc, bool is_unsigned", - init_attr => "\tinit_sparc_jmp_cond_attr(res, pnc, is_unsigned);", + attr => "ir_relation relation, bool is_unsigned", + init_attr => "\tinit_sparc_jmp_cond_attr(res, relation, is_unsigned);", reg_req => { in => [ "flags" ], out => [ "none", "none" ] }, + ins => [ "flags" ], + outs => [ "false", "true" ], }, fbfcc => { @@ -371,9 +475,11 @@ fbfcc => { state => "pinned", mode => "mode_T", attr_type => "sparc_jmp_cond_attr_t", - attr => "pn_Cmp pnc", - init_attr => "\tinit_sparc_jmp_cond_attr(res, pnc, false);", + attr => "ir_relation relation", + init_attr => "\tinit_sparc_jmp_cond_attr(res, relation, false);", reg_req => { in => [ "fpflags" ], out => [ "none", "none" ] }, + ins => [ "flags" ], + outs => [ "false", "true" ], }, Ba => { @@ -384,6 +490,33 @@ Ba => { mode => "mode_X", }, +Start => { + state => "pinned", + out_arity => "variable", + ins => [], +}, + +# This is a JumpLink instruction, but with the addition that you can add custom +# register constraints to model your calling conventions +Return => { + state => "pinned", + op_flags => [ "cfopcode" ], + arity => "variable", + mode => "mode_X", + constructors => { + imm => { + attr => "ir_entity *entity, int32_t offset", + custominit => "\tsparc_set_attr_imm(res, entity, offset);", + arity => "variable", + reg_req => { out => [ "none" ] }, + }, + reg => { + arity => "variable", + reg_req => { out => [ "none" ] }, + } + }, +}, + Call => { irn_flags => [ "modifies_flags", "modifies_fp_flags" ], state => "exc_pinned", @@ -391,14 +524,17 @@ Call => { out_arity => "variable", constructors => { imm => { - attr => "ir_entity *entity, int32_t offset", - custominit => "\tsparc_set_attr_imm(res, entity, offset);", + attr => "ir_entity *entity, int32_t offset, bool aggregate_return", + custominit => "\tsparc_set_attr_imm(res, entity, offset);". + "\tif (aggregate_return) arch_add_irn_flags(res, sparc_arch_irn_flag_aggregate_return);", arity => "variable", out_arity => "variable", }, reg => { - arity => "variable", - out_arity => "variable", + attr => "bool aggregate_return", + arity => "variable", + out_arity => "variable", + custominit => "\tif (aggregate_return) arch_add_irn_flags(res, sparc_arch_irn_flag_aggregate_return);", } }, }, @@ -532,7 +668,13 @@ Mul => { constructors => \%binop_operand_constructors, }, -Mulh => { +SMulh => { + irn_flags => [ "rematerializable" ], + outs => [ "low", "high" ], + constructors => \%binop_operand_constructors, +}, + +UMulh => { irn_flags => [ "rematerializable" ], outs => [ "low", "high" ], constructors => \%binop_operand_constructors, @@ -609,14 +751,24 @@ fdiv => { attr => "ir_mode *fp_mode", ins => [ "left", "right" ], outs => [ "res", "M" ], - constructors => \%float_binop_constructors, + constructors => { + s => { + reg_req => { in => [ "fp", "fp" ], out => [ "fp", "none" ] }, + }, + d => { + reg_req => { in => [ "fp:a|2", "fp:a|2" ], out => [ "fp:a|2", "none" ] }, + }, + q => { + reg_req => { in => [ "fp:a|4", "fp:a|4" ], out => [ "fp:a|4", "none" ] }, + } + }, }, fneg => { irn_flags => [ "rematerializable" ], reg_req => { in => [ "fp" ], out => [ "fp" ] }, # note that we only need the first register even for wide-values - emit => '. fneg %S0, %D0', + emit => '. fnegs %S0, %D0', attr_type => "sparc_fp_attr_t", attr => "ir_mode *fp_mode", ins => [ "val" ], @@ -668,21 +820,20 @@ fftof => { fitof => { irn_flags => [ "rematerializable" ], - reg_req => { in => [ "gp" ], out => [ "fp" ] }, emit => '. fito%FPM %S0, %D0', attr_type => "sparc_fp_attr_t", attr => "ir_mode *fp_mode", constructors => { s => { - reg_req => { in => [ "gp" ], out => [ "fp" ] }, + reg_req => { in => [ "fp" ], out => [ "fp" ] }, mode => $mode_fp, }, d => { - reg_req => { in => [ "gp" ], out => [ "fp:a|2" ] }, + reg_req => { in => [ "fp" ], out => [ "fp:a|2" ] }, mode => $mode_fp2, }, q => { - reg_req => { in => [ "gp" ], out => [ "fp:a|4" ] }, + reg_req => { in => [ "fp" ], out => [ "fp:a|4" ] }, mode => $mode_fp4, }, }, @@ -690,26 +841,25 @@ fitof => { fftoi => { irn_flags => [ "rematerializable" ], - reg_req => { in => [ "fp" ], out => [ "gp" ] }, - emit => '. f%FPM.toi %S0, %D0', + emit => '. f%FPM%.toi %S0, %D0', attr_type => "sparc_fp_attr_t", attr => "ir_mode *fp_mode", mode => $mode_gp, constructors => { s => { - reg_req => { in => [ "gp" ], out => [ "gp" ] }, + reg_req => { in => [ "fp" ], out => [ "fp" ] }, }, d => { - reg_req => { in => [ "fp:a|2" ], out => [ "gp" ] }, + reg_req => { in => [ "fp:a|2" ], out => [ "fp" ] }, }, q => { - reg_req => { in => [ "fp:a|4" ], out => [ "gp" ] }, + reg_req => { in => [ "fp:a|4" ], out => [ "fp" ] }, }, }, }, Ldf => { - op_flags => [ "labeled", "fragile" ], + op_flags => [ "labeled" ], state => "exc_pinned", constructors => { s => { @@ -731,7 +881,7 @@ Ldf => { }, Stf => { - op_flags => [ "labeled", "fragile" ], + op_flags => [ "labeled" ], state => "exc_pinned", constructors => { s => { @@ -749,7 +899,7 @@ Stf => { attr_type => "sparc_load_store_attr_t", attr => "ir_mode *ls_mode, ir_entity *entity, int32_t offset, bool is_frame_entity", custominit => "init_sparc_load_store_attributes(res, ls_mode, entity, offset, is_frame_entity, false);", - emit => '. st%FLSM %S1, [%S0%O1]', + emit => '. st%FLSM %S0, [%S1%O2]', mode => 'mode_M', },