-# Creation: 2006/02/13
-# $Id$
-
# the cpu architecture (ia32, ia64, mips, sparc, ppc, ...)
-
$arch = "TEMPLATE";
#
# Modes
#
$mode_gp = "mode_Iu"; # mode used by general purpose registers
-$mode_fp = "mode_E"; # mode used by floatingpoint registers
+$mode_fp = "mode_F"; # mode used by floatingpoint registers
# The node description is done as a perl hash initializer with the
# following structure:
#
# 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)
+# 1 - ignore (do not assign this register)
+# 2 - emitter can choose an arbitrary register of this class
+# 4 - the register is a virtual one
+# 8 - register represents a state
# NOTE: Last entry of each class is the largest Firm-Mode a register can hold
%reg_classes = (
gp => [
- { name => "r0", type => 1 },
- { name => "r1", type => 1 },
- { name => "r2", type => 1 },
- { name => "r3", type => 1 },
- { name => "r4", type => 1 },
- { name => "r5", type => 1 },
- { name => "r6", type => 1 },
- { name => "r7", type => 2 },
- { name => "r8", type => 2 },
- { name => "r9", type => 2 },
- { name => "r10", type => 2 },
- { name => "r11", type => 2 },
- { name => "r12", type => 2 },
- { name => "r13", type => 2 },
- { name => "sp", realname => "r14", type => 4 }, # stackpointer
- { name => "bp", realname => "r15", type => 4 }, # basepointer
+ { name => "r0" },
+ { name => "r1" },
+ { name => "r2" },
+ { name => "r3" },
+ { name => "r4" },
+ { name => "r5" },
+ { name => "r6" },
+ { name => "r7" },
+ { name => "r8" },
+ { name => "r9" },
+ { name => "r10" },
+ { name => "r11" },
+ { name => "r12" },
+ { name => "r13" },
+ { name => "sp", realname => "r14", type => 1 }, # stackpointer
+ { name => "bp", realname => "r15", type => 1 }, # basepointer
{ mode => $mode_gp }
],
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 => "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" },
{ mode => $mode_fp }
]
);
# Load / Store
Load => {
- op_flags => [ "labeled", "fragile" ],
+ op_flags => [ "labeled" ],
irn_flags => [ "rematerializable" ],
state => "exc_pinned",
reg_req => { in => [ "gp", "none" ], out => [ "gp" ] },
},
Store => {
- op_flags => [ "labeled", "fragile" ],
+ op_flags => [ "labeled" ],
irn_flags => [ "rematerializable" ],
state => "exc_pinned",
reg_req => { in => [ "gp", "gp", "none" ] },
# Load / Store
fLoad => {
- op_flags => [ "labeled", "fragile" ],
+ op_flags => [ "labeled" ],
irn_flags => [ "rematerializable" ],
state => "exc_pinned",
reg_req => { in => [ "gp", "none" ], out => [ "fp" ] },
},
fStore => {
- op_flags => [ "labeled", "fragile" ],
+ op_flags => [ "labeled" ],
irn_flags => [ "rematerializable" ],
state => "exc_pinned",
reg_req => { in => [ "gp", "fp", "none" ] },