$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
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".
"\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".
"\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_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",
constructors => \%binop_operand_constructors,
},
-
# Load / Store
Ld => {
op_flags => [ "labeled", "fragile" ],
},
Save => {
- reg_req => {
- in => [ "sp", "none"],
- out => [ "sp:I|S", "frame_pointer:I", "none" ]
+ emit => '. save %S0, %R1I, %D0',
+ outs => [ "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);",
+},
+
+Restore => {
+ emit => '. restore %S0, %R1I, %D0',
+ outs => [ "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" ],
+ }
+ },
+},
+
+RestoreZero => {
+ emit => '. restore',
+ outs => [ ],
+ ins => [ ],
+ mode => "mode_T",
},
SubSP => {
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" ] },
},
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" ] },
},
mode => "mode_X",
},
+# This is a JumpLink instruction, but with the addition that you can add custom
+# register constraints to model your calling conventions
+Return => {
+ arity => "variable",
+ out_arity => "variable",
+ constructors => {
+ imm => {
+ attr => "ir_entity *entity, int32_t offset",
+ custominit => "\tsparc_set_attr_imm(res, entity, offset);",
+ arity => "variable",
+ out_arity => "variable",
+ },
+ reg => {
+ arity => "variable",
+ out_arity => "variable",
+ }
+ },
+},
+
Call => {
irn_flags => [ "modifies_flags", "modifies_fp_flags" ],
state => "exc_pinned",
constructors => \%binop_operand_constructors,
},
-Slr => {
+Srl => {
irn_flags => [ "rematerializable" ],
mode => $mode_gp,
emit => '. srl %S0, %R1I, %D0',
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 => {
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,
},
},
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" ] },
},
},
},
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',
},
projects / libfirm / blobdiff