Use backtracking in find_original_value() for the flags emitter.

[libfirm] / ir / be / mips / mips_spec.pl

diff --git a/ir/be/mips/mips_spec.pl b/ir/be/mips/mips_spec.pl
index bbb1e50..9b135a2 100644 (file)
--- a/ir/be/mips/mips_spec.pl
+++ b/ir/be/mips/mips_spec.pl
@@ -21,11 +21,19 @@ $new_emit_syntax = 1;
 #                    { "type" => "type 2", "name" => "name 2" },
 #                    ...
 #                  ],
-#   "comment"   => "any comment for constructor",
+#   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",
+#   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",
-#   "rd_constructor" => "c source code which constructs an ir_node"
+#   attr      => "attitional attribute arguments for constructor",
+#   init_attr => "emit attribute initialization template",
+#   rd_constructor => "c source code which constructs an ir_node",
+#   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",
 # },
 #
 # ... # (all nodes you need to describe)