# 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)
+# 8 - emitter can choose an arbitrary register of this class
+# 16 - the register is a virtual one
# NOTE: Last entry of each class is the largest Firm-Mode a register can hold
%reg_classes = (
"gp" => [
# { "name" => "r32", "type" => 1 },
{ "name" => "ebp", "type" => 2 },
{ "name" => "esp", "type" => 4 },
- { "name" => "gp_NOREG", "type" => 2 | 4 }, # we need a dummy register for NoReg nodes
- { "name" => "gp_UKNWN", "type" => 2 | 4 | 8 }, # we need a dummy register for Unknown nodes
+ { "name" => "gp_NOREG", "type" => 2 | 4 | 16 }, # we need a dummy register for NoReg nodes
+ { "name" => "gp_UKNWN", "type" => 2 | 4 | 8 | 16}, # we need a dummy register for Unknown nodes
{ "mode" => "mode_P" }
],
"xmm" => [
{ "name" => "xmm5", "type" => 1 },
{ "name" => "xmm6", "type" => 1 },
{ "name" => "xmm7", "type" => 1 },
- { "name" => "xmm_NOREG", "type" => 2 | 4 }, # we need a dummy register for NoReg nodes
- { "name" => "xmm_UKNWN", "type" => 2 | 4 | 8 }, # we need a dummy register for Unknown nodes
+ { "name" => "xmm_NOREG", "type" => 2 | 4 | 16 }, # we need a dummy register for NoReg nodes
+ { "name" => "xmm_UKNWN", "type" => 2 | 4 | 8 | 16}, # we need a dummy register for Unknown nodes
{ "mode" => "mode_D" }
],
"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" => 2 | 4 }, # we need a dummy register for NoReg nodes
- { "name" => "vfp_UKNWN", "type" => 2 | 4 | 8 }, # we need a dummy register for Unknown nodes
+ { "name" => "vf0", "type" => 1 | 16 },
+ { "name" => "vf1", "type" => 1 | 16 },
+ { "name" => "vf2", "type" => 1 | 16 },
+ { "name" => "vf3", "type" => 1 | 16 },
+ { "name" => "vf4", "type" => 1 | 16 },
+ { "name" => "vf5", "type" => 1 | 16 },
+ { "name" => "vf6", "type" => 1 | 16 },
+ { "name" => "vf7", "type" => 1 | 16 },
+ { "name" => "vfp_NOREG", "type" => 2 | 4 | 16 }, # we need a dummy register for NoReg nodes
+ { "name" => "vfp_UKNWN", "type" => 2 | 4 | 8 | 16}, # we need a dummy register for Unknown nodes
{ "mode" => "mode_E" }
],
"st" => [