$arch = "ia32";
-# The node description is done as a perl hash initializer with the
-# following structure:
-#
-# %nodes = (
-#
-# <op-name> => {
-# op_flags => "N|L|C|X|I|F|Y|H|c|K|n",
-# irn_flags => "R|N"
-# arity => "0|1|2|3 ... |variable|dynamic|any",
-# state => "floats|pinned|mem_pinned|exc_pinned",
-# args => [
-# { type => "type 1", name => "name 1" },
-# { type => "type 2", name => "name 2" },
-# ...
-# ],
-# comment => "any comment for constructor",
-# reg_req => { in => [ "reg_class|register" ], out => [ "reg_class|register|in_rX" ] },
-# cmp_attr => "c source code for comparing node attributes",
-# 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",
-# attr => "additional attribute arguments for constructor",
-# init_attr => "emit attribute initialization template",
-# hash_func => "name of the hash function for this operation",
-# latency => "latency of this operation (can be float)"
-# attr_type => "name of the attribute struct",
-# modified_flags => [ "CF", ... ] # optional, list of modified flags
-# },
-#
-# ... # (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
-# example: [ "frame", "stack", "M" ]
-#
-# comment: OPTIONAL comment for the node constructor
-#
-# rd_constructor: for every operation there will be a
-# new_rd_<arch>_<op-name> function with the arguments from above
-# which creates the ir_node corresponding to the defined operation
-# you can either put the complete source code of this function here
-#
-# This key is OPTIONAL. If omitted, the following constructor will
-# be created:
-# if (!op_<arch>_<op-name>) assert(0);
-# for i = 1 to arity
-# set in[i] = op_i
-# done
-# res = new_ir_node(db, irg, block, op_<arch>_<op-name>, mode, arity, in)
-# return res
-#
-# NOTE: rd_constructor and args are only optional if and only if arity is 0,1,2 or 3
-#
-
# 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 automatically assign this register)
-# 8 - emitter can choose an arbitrary register of this class
-# 16 - the register is a virtual one
-# 32 - register represents a state
+$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
# NOTE: Last entry of each class is the largest Firm-Mode a register can hold
%reg_classes = (
gp => [
- { name => "edx", type => 1 },
- { name => "ecx", type => 1 },
- { name => "eax", type => 1 },
- { name => "ebx", type => 2 },
- { name => "esi", type => 2 },
- { name => "edi", type => 2 },
- { name => "ebp", type => 2 },
- { name => "esp", type => 4 },
- { name => "gp_NOREG", type => 4 | 8 | 16 }, # we need a dummy register for NoReg nodes
+ { name => "edx", type => $caller_save },
+ { name => "ecx", type => $caller_save },
+ { name => "eax", type => $caller_save },
+ { name => "ebx", type => $callee_save },
+ { name => "esi", type => $callee_save },
+ { name => "edi", type => $callee_save },
+ { name => "ebp", type => $callee_save },
+ { name => "esp", type => $ignore },
+ { name => "gp_NOREG", type => $ignore | $arbitrary | $virtual }, # we need a dummy register for NoReg nodes
{ mode => "mode_Iu" }
],
mmx => [
- { name => "mm0", type => 4 },
- { name => "mm1", type => 4 },
- { name => "mm2", type => 4 },
- { name => "mm3", type => 4 },
- { name => "mm4", type => 4 },
- { name => "mm5", type => 4 },
- { name => "mm6", type => 4 },
- { name => "mm7", type => 4 },
+ { name => "mm0", type => $ignore },
+ { name => "mm1", type => $ignore },
+ { name => "mm2", type => $ignore },
+ { name => "mm3", type => $ignore },
+ { name => "mm4", type => $ignore },
+ { name => "mm5", type => $ignore },
+ { name => "mm6", type => $ignore },
+ { name => "mm7", type => $ignore },
{ mode => "mode_E", flags => "manual_ra" }
],
xmm => [
- { name => "xmm0", type => 1 },
- { name => "xmm1", type => 1 },
- { name => "xmm2", type => 1 },
- { name => "xmm3", type => 1 },
- { name => "xmm4", type => 1 },
- { name => "xmm5", type => 1 },
- { name => "xmm6", type => 1 },
- { name => "xmm7", type => 1 },
- { name => "xmm_NOREG", type => 4 | 16 }, # we need a dummy register for NoReg nodes
+ { name => "xmm0", type => $caller_save },
+ { name => "xmm1", type => $caller_save },
+ { name => "xmm2", type => $caller_save },
+ { name => "xmm3", type => $caller_save },
+ { name => "xmm4", type => $caller_save },
+ { name => "xmm5", type => $caller_save },
+ { name => "xmm6", type => $caller_save },
+ { name => "xmm7", type => $caller_save },
+ { name => "xmm_NOREG", type => $ignore | $virtual }, # we need a dummy register for NoReg nodes
{ mode => "mode_E" }
],
vfp => [
- { name => "vf0", type => 1 },
- { name => "vf1", type => 1 },
- { name => "vf2", type => 1 },
- { name => "vf3", type => 1 },
- { name => "vf4", type => 1 },
- { name => "vf5", type => 1 },
- { name => "vf6", type => 1 },
- { name => "vf7", type => 1 },
- { name => "vfp_NOREG", type => 4 | 8 | 16 }, # we need a dummy register for NoReg nodes
+ { name => "vf0", type => $caller_save },
+ { name => "vf1", type => $caller_save },
+ { name => "vf2", type => $caller_save },
+ { name => "vf3", type => $caller_save },
+ { name => "vf4", type => $caller_save },
+ { name => "vf5", type => $caller_save },
+ { name => "vf6", type => $caller_save },
+ { name => "vf7", type => $caller_save },
+ { name => "vfp_NOREG", type => $ignore | $arbitrary | $virtual }, # we need a dummy register for NoReg nodes
{ mode => "mode_E" }
],
st => [
- { name => "st0", realname => "st", type => 4 },
- { name => "st1", realname => "st(1)", type => 4 },
- { name => "st2", realname => "st(2)", type => 4 },
- { name => "st3", realname => "st(3)", type => 4 },
- { name => "st4", realname => "st(4)", type => 4 },
- { name => "st5", realname => "st(5)", type => 4 },
- { name => "st6", realname => "st(6)", type => 4 },
- { name => "st7", realname => "st(7)", type => 4 },
+ { name => "st0", realname => "st", type => $ignore },
+ { name => "st1", realname => "st(1)", type => $ignore },
+ { name => "st2", realname => "st(2)", type => $ignore },
+ { name => "st3", realname => "st(3)", type => $ignore },
+ { name => "st4", realname => "st(4)", type => $ignore },
+ { name => "st5", realname => "st(5)", type => $ignore },
+ { name => "st6", realname => "st(6)", type => $ignore },
+ { name => "st7", realname => "st(7)", type => $ignore },
{ mode => "mode_E", flags => "manual_ra" }
],
fp_cw => [ # the floating point control word
- { name => "fpcw", type => 4|32 },
+ { name => "fpcw", type => $ignore | $state },
{ mode => "mode_fpcw", flags => "manual_ra|state" }
],
flags => [
projects / libfirm / blobdiff