$mode_gp = "mode_Iu";
$mode_flags = "mode_Bu";
+$mode_fpflags = "mode_Bu";
$mode_fp = "mode_D";
$normal = 0; # no special type
# available SPARC registers: 8 globals, 24 window regs (8 ins, 8 outs, 8 locals)
%reg_classes = (
gp => [
- { 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
+ { 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", 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.
+ { 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", realname => "l0", type => 0 },
- { name => "l1", realname => "l1", type => 0 },
- { name => "l2", realname => "l2", type => 0 },
- { name => "l3", realname => "l3", type => 0 },
- { name => "l4", realname => "l4", type => 0 },
- { name => "l5", realname => "l5", type => 0 },
- { name => "l6", realname => "l6", type => 0 },
- { name => "l7", realname => "l7", type => 0 },
+ { 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", realname => "i0", type => 0 }, # incoming param1 / return value to caller
- { name => "i1", realname => "i1", type => 0 }, # param 2
- { name => "i2", realname => "i2", type => 0 }, # param 3
- { 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 => "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", realname => "i7", type => $ignore }, # return address - 8
+ { name => "i7", type => $ignore }, # return address - 8
{ mode => $mode_gp }
],
- flags => [
- { name => "y", realname => "y", type => $ignore }, # the multiply/divide state register
+ fp_flags => [
+ { name => "fpflags", type => $ignore },
+ { mode => $mode_fpflags, flags => "manual_ra" }
+ ],
+ flags_class => [
+ { name => "flags", type => $ignore },
{ mode => $mode_flags, flags => "manual_ra" }
],
+ mul_div_high_res => [
+ { name => "y", type => $ignore },
+ { mode => $mode_gp, flags => "manual_ra" }
+ ],
# fp registers can be accessed any time
fp => [
{ name => "f0", type => $caller_save },
IM => "${arch}_emit_immediate(node);",
LM => "${arch}_emit_load_mode(node);",
SM => "${arch}_emit_store_mode(node);",
- EXTPREF => "${arch}_emit_mode_sign_prefix(node);",
FPM => "${arch}_emit_fp_mode_suffix(node);",
- FPLM => "${arch}_emit_fp_load_mode(node);",
- FPSM => "${arch}_emit_fp_store_mode(node);",
- O => "${arch}_emit_offset(node);",
+ FCONVS => "${arch}_emit_fp_conv_source(node);",
+ FCONVD => "${arch}_emit_fp_conv_destination(node);",
+ O => "${arch}_emit_offset(node);",
);
$default_attr_type = "sparc_attr_t";
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_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);".
+ "\tinit_sparc_fp_conv_attributes(res, src_mode, dest_mode);\n",
);
%compare_attr = (
sparc_jmp_cond_attr_t => "cmp_attr_sparc_jmp_cond",
sparc_jmp_switch_attr_t => "cmp_attr_sparc_jmp_switch",
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",
);
# addressing modes: imm, reg, reg +/- imm, reg + reg
outs => [ "stack", "frame", "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_attributes(res, initial_stacksize);",
},
SubSP => {
Cmp => {
irn_flags => [ "rematerializable", "modify_flags" ],
emit => '. cmp %S1, %R2I',
+ reg_req => { in => [ "gp", "gp" ], out => [ "flags" ] },
+ ins => [ "left", "right" ],
mode => $mode_flags,
constructors => \%cmp_operand_constructors,
},
Sll => {
irn_flags => [ "rematerializable" ],
- mode => $mode_gp,
+ mode => $mode_gp,
reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
emit => '. sll %S1, %R2I, %D1',
constructors => \%binop_operand_constructors,
Slr => {
irn_flags => [ "rematerializable" ],
- mode => $mode_gp,
+ mode => $mode_gp,
reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
emit => '. srl %S1, %R2I, %D1',
constructors => \%binop_operand_constructors,
Sra => {
irn_flags => [ "rematerializable" ],
- mode => $mode_gp,
+ mode => $mode_gp,
reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
emit => '. sra %S1, %R2I, %D1',
constructors => \%binop_operand_constructors,
And => {
irn_flags => [ "rematerializable" ],
- mode => $mode_gp,
+ mode => $mode_gp,
reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
emit => '. and %S1, %R2I, %D1',
constructors => \%binop_operand_constructors,
Or => {
irn_flags => [ "rematerializable" ],
- mode => $mode_gp,
+ mode => $mode_gp,
reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
emit => '. or %S1, %R2I, %D1',
constructors => \%binop_operand_constructors,
Xor => {
irn_flags => [ "rematerializable" ],
- mode => $mode_gp,
+ mode => $mode_gp,
reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
emit => '. xor %S1, %R2I, %D1',
constructors => \%binop_operand_constructors,
},
Mul => {
- state => "exc_pinned",
- reg_req => { in => [ "gp", "gp" ], out => [ "gp", "flags" ] },
- outs => [ "low", "high" ],
+ reg_req => { in => [ "gp", "gp" ], out => [ "gp", "y" ] },
constructors => \%binop_operand_constructors,
- #emit =>'. mul %S1, %R2I, %D1'
+ emit => '. mul %S1, %R2I, %D1',
+ mode => $mode_gp,
},
Mulh => {
- state => "exc_pinned",
reg_req => { in => [ "gp", "gp" ], out => [ "gp", "gp" ] },
outs => [ "low", "high" ],
constructors => \%binop_operand_constructors,
},
-Div => {
+# The div instructions are kinda hacky. Things to improve:
+# * Make high-value input explicitely. Either as a gp at first or ideally
+# as an explicit y-register
+
+SDiv => {
irn_flags => [ "rematerializable" ],
state => "exc_pinned",
- reg_req => { in => [ "gp", "gp" ], out => [ "gp" ] },
- outs => [ "res" ],
+ reg_req => { in => [ "gp", "gp" ], out => [ "gp", "none" ] },
+ ins => [ "dividend_low", "divisor" ],
+ outs => [ "res", "M" ],
+ constructors => \%binop_operand_constructors,
+},
+
+UDiv => {
+ irn_flags => [ "rematerializable" ],
+ state => "exc_pinned",
+ reg_req => { in => [ "gp", "gp" ], out => [ "gp", "none" ] },
+ ins => [ "dividend_low", "divisor" ],
+ outs => [ "res", "M" ],
constructors => \%binop_operand_constructors,
- #mode => $mode_gp,
- #emit =>'. div %S1, %R2I, %D1'
},
Minus => {
irn_flags => [ "rematerializable" ],
- mode => $mode_gp,
+ mode => $mode_gp,
reg_req => { in => [ "gp" ], out => [ "gp" ] },
emit => ". sub %%g0, %S1, %D1"
},
Not => {
- irn_flags => [ "rematerializable" ],
- mode => $mode_gp,
- reg_req => { in => [ "gp" ], out => [ "gp" ] },
- emit => '. xnor %S1, %%g0, %D1'
+ irn_flags => [ "rematerializable" ],
+ mode => $mode_gp,
+ reg_req => { in => [ "gp" ], out => [ "gp" ] },
+ emit => '. xnor %S1, %%g0, %D1'
},
Nop => {
emit => '. nop',
},
-fAdd => {
+fadd => {
op_flags => [ "commutative" ],
irn_flags => [ "rematerializable" ],
reg_req => { in => [ "fp", "fp" ], out => [ "fp" ] },
- emit => '. fadd%FPM %S1, %S2, %D1'
+ emit => '. fadd%FPM %S1, %S2, %D1',
+ attr_type => "sparc_fp_attr_t",
+ attr => "ir_mode *fp_mode",
+ mode => $mode_fp,
},
-fMul => {
- op_flags => [ "commutative" ],
+fsub => {
+ irn_flags => [ "rematerializable" ],
reg_req => { in => [ "fp", "fp" ], out => [ "fp" ] },
- emit =>'. fmul%FPM %S1, %S2, %D1'
+ emit => '. fsub%FPM %S1, %S2, %D1',
+ attr_type => "sparc_fp_attr_t",
+ attr => "ir_mode *fp_mode",
+ mode => $mode_fp,
},
-fsMuld => {
+fmul => {
+ irn_flags => [ "rematerializable" ],
op_flags => [ "commutative" ],
reg_req => { in => [ "fp", "fp" ], out => [ "fp" ] },
- emit =>'. fsmuld %S1, %S2, %D1'
+ emit =>'. fmul%FPM %S1, %S2, %D1',
+ attr_type => "sparc_fp_attr_t",
+ attr => "ir_mode *fp_mode",
+ mode => $mode_fp,
},
-FsTOd => {
+fdiv => {
irn_flags => [ "rematerializable" ],
- reg_req => { in => [ "fp" ], out => [ "fp" ] },
- emit =>'. FsTOd %S1, %D1'
+ reg_req => { in => [ "fp", "fp" ], out => [ "fp", "none" ] },
+ emit => '. fdiv%FPM %S1, %S2, %D1',
+ attr_type => "sparc_fp_attr_t",
+ attr => "ir_mode *fp_mode",
+ outs => [ "res", "M" ],
},
-FdTOs => {
+fneg => {
irn_flags => [ "rematerializable" ],
reg_req => { in => [ "fp" ], out => [ "fp" ] },
- emit =>'. FdTOs %S1, %D1'
+ emit => '. fneg%FPM %S1, %D1',
+ attr_type => "sparc_fp_attr_t",
+ attr => "ir_mode *fp_mode",
+ mode => $mode_fp,
},
-FiTOs => {
+"fabs" => {
irn_flags => [ "rematerializable" ],
- reg_req => { in => [ "gp" ], out => [ "fp" ] },
- emit =>'. FiTOs %S1, %D1'
+ reg_req => { in => [ "fp" ], out => [ "fp" ] },
+ emit => '. fabs%FPM %S1, %D1',
+ attr_type => "sparc_fp_attr_t",
+ attr => "ir_mode *fp_mode",
+ mode => $mode_fp,
},
-FiTOd => {
+fftof => {
irn_flags => [ "rematerializable" ],
- reg_req => { in => [ "gp" ], out => [ "fp" ] },
- emit =>'. FiTOd %S1, %D1'
+ reg_req => { in => [ "fp" ], out => [ "fp" ] },
+ emit => '. f%FCONVS.to%FCONVD %S1, %D1',
+ attr_type => "sparc_fp_conv_attr_t",
+ attr => "ir_mode *src_mode, ir_mode *dest_mode",
+ mode => $mode_fp,
},
-FsTOi => {
+fitof => {
irn_flags => [ "rematerializable" ],
- reg_req => { in => [ "fp" ], out => [ "gp" ] },
- emit =>'. FsTOi %S1, %D1'
+ reg_req => { in => [ "gp" ], out => [ "fp" ] },
+ emit => '. fito%FPM %S1, %D1',
+ attr_type => "sparc_fp_attr_t",
+ attr => "ir_mode *fp_mode",
+ mode => $mode_fp,
},
-FdTOi => {
+fftoi => {
irn_flags => [ "rematerializable" ],
reg_req => { in => [ "fp" ], out => [ "gp" ] },
- emit =>'. FdTOi %S1, %D1'
+ emit => '. f%FPM.toi %S1, %D1',
+ attr_type => "sparc_fp_attr_t",
+ attr => "ir_mode *fp_mode",
+ mode => $mode_gp,
},
Ldf => {