Commit 4a97bde7 authored by Matthias Braun's avatar Matthias Braun
Browse files

cleanup sparc spec

[r27747]
parent 3cda66b8
......@@ -7,82 +7,35 @@ $mode_gp = "mode_Iu";
$mode_flags = "mode_Bu";
$mode_fp = "mode_D";
# The node description is done as a perl hash initializer with the
# following structure:
#
# %nodes = (
#
# <op-name> => {
# arity => "0|1|2|3 ... |variable|dynamic|any", # optional
# state => "floats|pinned|mem_pinned|exc_pinned", # optional
# args => [
# { type => "type 1", name => "name 1" },
# { type => "type 2", name => "name 2" },
# ...
# ],
# comment => "any comment for constructor", # optional
# reg_req => { in => [ "reg_class|register" ], out => [ "reg_class|register|in_rX" ] },
# cmp_attr => "c source code for comparing node attributes", # optional
# outs => { "out1", "out2" },# optional, creates pn_op_out1, ... consts
# ins => { "in1", "in2" }, # optional, creates n_op_in1, ... consts
# mode => "mode_Iu", # optional, predefines the mode
# emit => "emit code with templates", # optional for virtual nodes
# attr => "additional attribute arguments for constructor", # optional
# init_attr => "emit attribute initialization template", # optional
# rd_constructor => "c source code which constructs an ir_node", # optional
# hash_func => "name of the hash function for this operation", # optional, get the default hash function else
# latency => "latency of this operation (can be float)" # optional
# attr_type => "name of the attribute struct", # optional
# },
#
# ... # (all nodes you need to describe)
#
# ); # close the %nodes initializer
# state: state of the operation, OPTIONAL (default is "floats")
#
# arity: arity of the operation, MUST NOT BE OMITTED
#
# args: the OPTIONAL arguments of the node constructor (debug, irg and block
# are always the first 3 arguments and are always autmatically
# created)
# If this key is missing the following arguments will be created:
# for i = 1 .. arity: ir_node *op_i
# ir_mode *mode
#
# outs: if a node defines more than one output, the names of the projections
# nodes having outs having automatically the mode mode_T
#
# comment: OPTIONAL comment for the node constructor
#
# register types:
# 0 - no special type
# 1 - caller save (register must be saved by the caller of a function)
# 2 - callee save (register must be saved by the called function)
# 4 - ignore (do not assign this register)
# NOTE: Last entry of each class is the largest Firm-Mode a register can hold
$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", realname => "g0", type => 4 }, # hardwired 0, behaves like /dev/null
{ name => "g1", realname => "g1", type => 1 }, # temp. value
{ name => "g2", realname => "g2", type => 1 },
{ name => "g3", realname => "g3", type => 1 },
{ name => "g4", realname => "g4", type => 1 },
{ name => "g5", realname => "g5", type => 4 }, # reserved by SPARC ABI
{ name => "g6", realname => "g6", type => 4 }, # reserved by SPARC ABI
{ name => "g7", realname => "g7", type => 4 }, # reserved by SPARC ABI
{ name => "g0", realname => "g0", type => $ignore }, # hardwired 0, behaves like /dev/null
{ name => "g1", realname => "g1", type => $caller_save }, # temp. value
{ name => "g2", realname => "g2", type => $caller_save },
{ name => "g3", realname => "g3", type => $caller_save },
{ name => "g4", realname => "g4", type => $caller_save },
{ name => "g5", realname => "g5", type => $ignore }, # reserved by SPARC ABI
{ name => "g6", realname => "g6", type => $ignore }, # reserved by SPARC ABI
{ name => "g7", realname => "g7", type => $ignore }, # reserved by SPARC ABI
# window's out registers
{ name => "o0", realname => "o0", type => 1 }, # param 1 / return value from callee
{ name => "o1", realname => "o1", type => 1 }, # param 2
{ name => "o2", realname => "o2", type => 1 }, # param 3
{ name => "o3", realname => "o3", type => 1 }, # param 4
{ name => "o4", realname => "o4", type => 1 }, # param 5
{ name => "o5", realname => "o5", type => 1 }, # param 6
{ name => "sp", realname => "sp", type => 4 }, # our stackpointer
{ name => "o7", realname => "o6", type => 4 }, # temp. value / address of CALL instr.
{ name => "o0", realname => "o0", type => $caller_save }, # param 1 / return value from callee
{ name => "o1", realname => "o1", type => $caller_save }, # param 2
{ name => "o2", realname => "o2", type => $caller_save }, # param 3
{ name => "o3", realname => "o3", type => $caller_save }, # param 4
{ name => "o4", realname => "o4", type => $caller_save }, # param 5
{ name => "o5", realname => "o5", type => $caller_save }, # param 6
{ name => "sp", realname => "sp", type => $ignore }, # our stackpointer
{ name => "o7", realname => "o6", type => $ignore }, # temp. value / address of CALL instr.
# window's local registers
{ name => "l0", realname => "l0", type => 0 },
......@@ -101,57 +54,48 @@ $mode_fp = "mode_D";
{ name => "i3", realname => "i3", type => 0 }, # param 4
{ name => "i4", realname => "i4", type => 0 }, # param 5
{ name => "i5", realname => "i5", type => 0 }, # param 6
{ name => "fp", realname => "fp", type => 4 }, # our framepointer
{ name => "i7", realname => "i7", type => 4 }, # return address - 8
{ name => "fp", realname => "fp", type => $ignore }, # our framepointer
{ name => "i7", realname => "i7", type => $ignore }, # return address - 8
{ mode => $mode_gp }
],
flags => [
{ name => "y", realname => "y", type => 4 }, # the multiply/divide state register
{ name => "y", realname => "y", type => $ignore }, # the multiply/divide state register
{ mode => $mode_flags, flags => "manual_ra" }
],
# cpu => [
# { name => "psr", realname => "psr", type => 4 }, # the processor state register
# { name => "wim", realname => "wim", type => 4 }, # the window invalid mask register
# { name => "tbr", realname => "tbr", type => 4 }, # the trap base register
# { name => "pc", realname => "pc", type => 4 }, # the program counter register
# { name => "npc", realname => "npc", type => 4 }, # the next instruction addr. (PC + 1) register
# { mode => "mode_Iu", flags => "manual_ra" }
# ],
# fp registers can be accessed any time
fp => [
{ name => "f0", type => 1 },
{ name => "f1", type => 1 },
{ name => "f2", type => 1 },
{ name => "f3", type => 1 },
{ name => "f4", type => 1 },
{ name => "f5", type => 1 },
{ name => "f6", type => 1 },
{ name => "f7", type => 1 },
{ name => "f8", type => 1 },
{ name => "f9", type => 1 },
{ name => "f10", type => 1 },
{ name => "f11", type => 1 },
{ name => "f12", type => 1 },
{ name => "f13", type => 1 },
{ name => "f14", type => 1 },
{ name => "f15", type => 1 },
{ name => "f16", type => 1 },
{ name => "f17", type => 1 },
{ name => "f18", type => 1 },
{ name => "f19", type => 1 },
{ name => "f20", type => 1 },
{ name => "f21", type => 1 },
{ name => "f22", type => 1 },
{ name => "f23", type => 1 },
{ name => "f24", type => 1 },
{ name => "f25", type => 1 },
{ name => "f26", type => 1 },
{ name => "f27", type => 1 },
{ name => "f28", type => 1 },
{ name => "f29", type => 1 },
{ name => "f30", type => 1 },
{ name => "f31", type => 1 },
{ 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 },
{ mode => $mode_fp }
]
); # %reg_classes
......@@ -191,33 +135,31 @@ $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);\n".
"\tinit_sparc_load_store_attributes(res, ls_mode, entity, entity_sign, offset, is_frame_entity);",
sparc_symconst_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);\n".
"\tinit_sparc_symconst_attributes(res, entity);",
sparc_cmp_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);\n",
sparc_jmp_cond_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);",
sparc_jmp_switch_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);",
sparc_save_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);",
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);\n".
"\tinit_sparc_load_store_attributes(res, ls_mode, entity, entity_sign, offset, is_frame_entity);",
sparc_symconst_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);\n".
"\tinit_sparc_symconst_attributes(res, entity);",
sparc_cmp_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);\n",
sparc_jmp_cond_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);",
sparc_jmp_switch_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);",
sparc_save_attr_t => "\tinit_sparc_attributes(res, flags, in_reqs, exec_units, n_res);",
);
%compare_attr = (
sparc_attr_t => "cmp_attr_sparc",
sparc_load_store_attr_t => "cmp_attr_sparc_load_store",
sparc_symconst_attr_t => "cmp_attr_sparc_symconst",
sparc_jmp_cond_attr_t => "cmp_attr_sparc_jmp_cond",
sparc_jmp_switch_attr_t => "cmp_attr_sparc_jmp_switch",
sparc_cmp_attr_t => "cmp_attr_sparc_cmp",
sparc_save_attr_t => "cmp_attr_sparc_save",
sparc_attr_t => "cmp_attr_sparc",
sparc_load_store_attr_t => "cmp_attr_sparc_load_store",
sparc_symconst_attr_t => "cmp_attr_sparc_symconst",
sparc_jmp_cond_attr_t => "cmp_attr_sparc_jmp_cond",
sparc_jmp_switch_attr_t => "cmp_attr_sparc_jmp_switch",
sparc_cmp_attr_t => "cmp_attr_sparc_cmp",
sparc_save_attr_t => "cmp_attr_sparc_save",
);
# addressing modes: imm, reg, reg +/- imm, reg + reg
# max. imm = 13 bits signed (-4096 ... 4096)
my %cmp_operand_constructors = (
imm => {
attr => "int immediate_value, bool ins_permuted, bool is_unsigned",
......@@ -261,120 +203,118 @@ my %binop_operand_constructors = (
%nodes = (
Add => {
irn_flags => [ "rematerializable" ],
comment => "construct Add: Add(a, b) = Add(b, a) = a + b",
mode => $mode_gp,
emit => '. add %S1, %R2I, %D1',
constructors => \%binop_operand_constructors,
irn_flags => [ "rematerializable" ],
comment => "construct Add: Add(a, b) = Add(b, a) = a + b",
mode => $mode_gp,
emit => '. add %S1, %R2I, %D1',
constructors => \%binop_operand_constructors,
},
Sub => {
irn_flags => [ "rematerializable" ],
comment => "construct Sub: Sub(a, b) = a - b",
mode => $mode_gp,
reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
emit => '. sub %S1, %R2I, %D1',
constructors => \%binop_operand_constructors,
irn_flags => [ "rematerializable" ],
comment => "construct Sub: Sub(a, b) = a - b",
mode => $mode_gp,
reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
emit => '. sub %S1, %R2I, %D1',
constructors => \%binop_operand_constructors,
},
# Load / Store
Load => {
op_flags => [ "labeled", "fragile" ],
comment => "construct Load: Load(ptr, mem) = LD ptr -> reg",
state => "exc_pinned",
ins => [ "ptr", "mem" ],
outs => [ "res", "M" ],
reg_req => { in => [ "gp", "none" ], out => [ "gp", "none" ] },
attr_type => "sparc_load_store_attr_t",
attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
emit => '. ld%LM [%S1%O], %D1'
op_flags => [ "labeled", "fragile" ],
comment => "construct Load: Load(ptr, mem) = LD ptr -> reg",
state => "exc_pinned",
ins => [ "ptr", "mem" ],
outs => [ "res", "M" ],
reg_req => { in => [ "gp", "none" ], out => [ "gp", "none" ] },
attr_type => "sparc_load_store_attr_t",
attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
emit => '. ld%LM [%S1%O], %D1'
},
LoadHi => {
op_flags => [ "labeled", "fragile" ],
comment => "construct LoadHi: Load(ptr, mem) = sethi hi(ptr) -> reg",
state => "exc_pinned",
ins => [ "ptr", "mem" ],
outs => [ "res", "M" ],
reg_req => { in => [ "gp", "none" ], out => [ "gp", "none" ] },
attr_type => "sparc_load_store_attr_t",
attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
emit => '. sethi %%hi(%S1), %D1',
op_flags => [ "labeled", "fragile" ],
comment => "construct LoadHi: Load(ptr, mem) = sethi hi(ptr) -> reg",
state => "exc_pinned",
ins => [ "ptr", "mem" ],
outs => [ "res", "M" ],
reg_req => { in => [ "gp", "none" ], out => [ "gp", "none" ] },
attr_type => "sparc_load_store_attr_t",
attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
emit => '. sethi %%hi(%S1), %D1',
},
HiImm => {
irn_flags => [ "rematerializable" ],
comment => "construct LoadHi: Load(imm, mem) = sethi hi(imm) -> reg",
state => "exc_pinned",
outs => [ "res" ],
mode => $mode_gp,
reg_req => { in => [], out => [ "gp" ] },
#attr_type => "sparc_load_store_attr_t",
attr => "int immediate_value",
custominit => "sparc_set_attr_imm(res, immediate_value);",
irn_flags => [ "rematerializable" ],
comment => "construct LoadHi: Load(imm, mem) = sethi hi(imm) -> reg",
state => "exc_pinned",
outs => [ "res" ],
mode => $mode_gp,
reg_req => { in => [], out => [ "gp" ] },
#attr_type => "sparc_load_store_attr_t",
attr => "int immediate_value",
custominit => "sparc_set_attr_imm(res, immediate_value);",
},
LoImm => {
irn_flags => [ "rematerializable" ],
comment => "construct LoadHi: Load(imm, mem) = sethi hi(imm) -> reg",
state => "exc_pinned",
ins => [ "hireg" ],
outs => [ "res" ],
mode => $mode_gp,
reg_req => { in => [ "gp" ], out => [ "gp" ] },
#attr_type => "sparc_load_store_attr_t",
attr => "int immediate_value",
custominit => "sparc_set_attr_imm(res, immediate_value);",
irn_flags => [ "rematerializable" ],
comment => "construct LoadHi: Load(imm, mem) = sethi hi(imm) -> reg",
state => "exc_pinned",
ins => [ "hireg" ],
outs => [ "res" ],
mode => $mode_gp,
reg_req => { in => [ "gp" ], out => [ "gp" ] },
#attr_type => "sparc_load_store_attr_t",
attr => "int immediate_value",
custominit => "sparc_set_attr_imm(res, immediate_value);",
},
LoadLo => {
op_flags => [ "labeled", "fragile" ],
comment => "construct LoadLo: Or(in, ptr, mem) = or in lo(ptr) -> reg",
state => "exc_pinned",
ins => [ "hireg", "ptr", "mem" ],
outs => [ "res", "M" ],
reg_req => { in => [ "gp", "gp", "none" ], out => [ "gp", "none" ] },
attr_type => "sparc_load_store_attr_t",
attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
emit => '. or %S1, %%lo(%S2), %D1'
op_flags => [ "labeled", "fragile" ],
comment => "construct LoadLo: Or(in, ptr, mem) = or in lo(ptr) -> reg",
state => "exc_pinned",
ins => [ "hireg", "ptr", "mem" ],
outs => [ "res", "M" ],
reg_req => { in => [ "gp", "gp", "none" ], out => [ "gp", "none" ] },
attr_type => "sparc_load_store_attr_t",
attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
emit => '. or %S1, %%lo(%S2), %D1'
},
Store => {
op_flags => [ "labeled", "fragile" ],
comment => "construct Store: Store(ptr, val, mem) = ST ptr,val",
mode => "mode_M",
state => "exc_pinned",
ins => [ "ptr", "val", "mem" ],
outs => [ "mem" ],
reg_req => { in => [ "gp", "gp", "none" ], out => [ "none" ] },
attr_type => "sparc_load_store_attr_t",
attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
emit => '. st%SM %S2, [%S1%O]'
op_flags => [ "labeled", "fragile" ],
comment => "construct Store: Store(ptr, val, mem) = ST ptr,val",
mode => "mode_M",
state => "exc_pinned",
ins => [ "ptr", "val", "mem" ],
outs => [ "mem" ],
reg_req => { in => [ "gp", "gp", "none" ], out => [ "none" ] },
attr_type => "sparc_load_store_attr_t",
attr => "ir_mode *ls_mode, ir_entity *entity, int entity_sign, long offset, bool is_frame_entity",
emit => '. st%SM %S2, [%S1%O]'
},
Mov => {
irn_flags => [ "rematerializable" ],
comment => "construct Mov: Mov(src, dest) = MV src,dest",
arity => "variable",
emit => '. mov %R1I, %D1',
mode => $mode_gp,
constructors => \%unop_operand_constructors,
irn_flags => [ "rematerializable" ],
comment => "construct Mov: Mov(src, dest) = MV src,dest",
arity => "variable",
emit => '. mov %R1I, %D1',
mode => $mode_gp,
constructors => \%unop_operand_constructors,
},
Save => {
comment => "function prolog instruction. autom. saves sp & shifts the register window. previous out regs become the new in regs",
reg_req => {
in => [ "sp", "none"],
out => [ "sp:I|S","none" ]
in => [ "sp", "none"],
out => [ "sp:I|S","none" ]
},
ins => [ "stack", "mem" ],
outs => [ "stack", "mem" ],
attr => "int initial_stacksize",
attr_type => "sparc_save_attr_t",
init_attr => "\tinit_sparc_save_attr(res, initial_stacksize);",
init_attr => "\tinit_sparc_save_attr(res, initial_stacksize);",
},
AddSP => {
......@@ -461,102 +401,102 @@ SwitchJmp => {
},
ShiftLL => {
irn_flags => [ "rematerializable" ],
comment => "construct shift logical left",
mode => $mode_gp,
reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
emit => '. sll %S1, %R2I, %D1',
constructors => \%binop_operand_constructors,
irn_flags => [ "rematerializable" ],
comment => "construct shift logical left",
mode => $mode_gp,
reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
emit => '. sll %S1, %R2I, %D1',
constructors => \%binop_operand_constructors,
},
ShiftLR => {
irn_flags => [ "rematerializable" ],
comment => "construct shift logical right",
mode => $mode_gp,
reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
emit => '. srl %S1, %R2I, %D1',
constructors => \%binop_operand_constructors,
irn_flags => [ "rematerializable" ],
comment => "construct shift logical right",
mode => $mode_gp,
reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
emit => '. srl %S1, %R2I, %D1',
constructors => \%binop_operand_constructors,
},
ShiftRA => {
irn_flags => [ "rematerializable" ],
comment => "construct shift right arithmetical",
mode => $mode_gp,
reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
emit => '. sra %S1, %R2I, %D1',
constructors => \%binop_operand_constructors,
irn_flags => [ "rematerializable" ],
comment => "construct shift right arithmetical",
mode => $mode_gp,
reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
emit => '. sra %S1, %R2I, %D1',
constructors => \%binop_operand_constructors,
},
And => {
irn_flags => [ "rematerializable" ],
comment => "construct logical and",
mode => $mode_gp,
reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
emit => '. and %S1, %R2I, %D1',
constructors => \%binop_operand_constructors,
irn_flags => [ "rematerializable" ],
comment => "construct logical and",
mode => $mode_gp,
reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
emit => '. and %S1, %R2I, %D1',
constructors => \%binop_operand_constructors,
},
Or => {
irn_flags => [ "rematerializable" ],
comment => "construct logical or",
mode => $mode_gp,
reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
emit => '. or %S1, %R2I, %D1',
constructors => \%binop_operand_constructors,
irn_flags => [ "rematerializable" ],
comment => "construct logical or",
mode => $mode_gp,
reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
emit => '. or %S1, %R2I, %D1',
constructors => \%binop_operand_constructors,
},
Xor => {
irn_flags => [ "rematerializable" ],
comment => "construct logical xor",
mode => $mode_gp,
reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
emit => '. xor %S1, %R2I, %D1',
constructors => \%binop_operand_constructors,
irn_flags => [ "rematerializable" ],
comment => "construct logical xor",
mode => $mode_gp,
reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
emit => '. xor %S1, %R2I, %D1',
constructors => \%binop_operand_constructors,
},
Mul => {
state => "exc_pinned",
comment => "construct Mul: Mul(a, b) = Mul(b, a) = a * b",
reg_req => { in => [ "gp", "gp" ], out => [ "gp", "flags" ] },
outs => [ "low", "high" ],
constructors => \%binop_operand_constructors,
# emit =>'. mul %S1, %R2I, %D1'
state => "exc_pinned",
comment => "construct Mul: Mul(a, b) = Mul(b, a) = a * b",
reg_req => { in => [ "gp", "gp" ], out => [ "gp", "flags" ] },
outs => [ "low", "high" ],
constructors => \%binop_operand_constructors,
#emit =>'. mul %S1, %R2I, %D1'
},
Mulh => {
state => "exc_pinned",
comment => "construct Mul: Mul(a, b) = Mul(b, a) = a * b",
reg_req => { in => [ "gp", "gp" ], out => [ "gp", "gp" ] },
outs => [ "low", "high" ],
constructors => \%binop_operand_constructors,
state => "exc_pinned",
comment => "construct Mul: Mul(a, b) = Mul(b, a) = a * b",
reg_req => { in => [ "gp", "gp" ], out => [ "gp", "gp" ] },
outs => [ "low", "high" ],
constructors => \%binop_operand_constructors,
},
Div => {
irn_flags => [ "rematerializable" ],
state => "exc_pinned",
# mode => $mode_gp,
comment => "construct Div: Div(a, b) = a / b",
reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
outs => [ "res" ],
constructors => \%binop_operand_constructors,
# emit =>'. div %S1, %R2I, %D1'
irn_flags => [ "rematerializable" ],
state => "exc_pinned",
comment => "construct Div: Div(a, b) = a / b",
reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
outs => [ "res" ],
constructors => \%binop_operand_constructors,