diff options
Diffstat (limited to 'powerpc/Machregs.v')
| -rw-r--r-- | powerpc/Machregs.v | 37 |
1 files changed, 13 insertions, 24 deletions
diff --git a/powerpc/Machregs.v b/powerpc/Machregs.v index f94c3b64..fe209627 100644 --- a/powerpc/Machregs.v +++ b/powerpc/Machregs.v @@ -21,7 +21,7 @@ Require Import Op. (** The following type defines the machine registers that can be referenced as locations. These include: - Integer registers that can be allocated to RTL pseudo-registers ([Rxx]). -- Floating-point registers that can be allocated to RTL pseudo-registers +- Floating-point registers that can be allocated to RTL pseudo-registers ([Fxx]). The type [mreg] does not include special-purpose or reserved @@ -134,7 +134,7 @@ Definition destroyed_by_op (op: operation): list mreg := match op with | Ofloatconst _ => R12 :: nil | Osingleconst _ => R12 :: nil - | Ointoffloat => F13 :: nil + | Ointoffloat | Ointuoffloat => F13 :: nil | _ => nil end. @@ -160,15 +160,11 @@ Fixpoint destroyed_by_clobber (cl: list string): list mreg := end end. -Definition builtin_atomic_exchange := ident_of_string "__builtin_atomic_exchange". -Definition builtin_sync_and_fetch := ident_of_string "__builtin_sync_fetch_and_add". -Definition builtin_atomic_compare_exchange := ident_of_string "__builtin_atomic_compare_exchange". - Definition destroyed_by_builtin (ef: external_function): list mreg := match ef with | EF_builtin id sg => - if ident_eq id builtin_atomic_exchange then R10::nil - else if ident_eq id builtin_atomic_compare_exchange then R10::R11::nil + if string_dec id "__builtin_atomic_exchange" then R10::nil + else if string_dec id "__builtin_atomic_compare_exchange" then R10::R11::nil else F13 :: nil | EF_vload _ => R11 :: nil | EF_vstore Mint64 => R10 :: R11 :: R12 :: nil @@ -194,9 +190,9 @@ Definition mregs_for_operation (op: operation): list (option mreg) * option mreg Definition mregs_for_builtin (ef: external_function): list (option mreg) * list (option mreg) := match ef with | EF_builtin id sg => - if ident_eq id builtin_atomic_exchange then ((Some R3)::(Some R4)::(Some R5)::nil,nil) - else if ident_eq id builtin_sync_and_fetch then ((Some R4)::(Some R5)::nil,(Some R3)::nil) - else if ident_eq id builtin_atomic_compare_exchange then ((Some R4)::(Some R5)::(Some R6)::nil, (Some R3):: nil) + if string_dec id "__builtin_atomic_exchange" then ((Some R3)::(Some R4)::(Some R5)::nil,nil) + else if string_dec id "__builtin_sync_fetch_and_add" then ((Some R4)::(Some R5)::nil,(Some R3)::nil) + else if string_dec id "___builtin_atomic_compare_exchange" then ((Some R4)::(Some R5)::(Some R6)::nil, (Some R3):: nil) else (nil, nil) | _ => (nil, nil) end. @@ -219,23 +215,16 @@ Definition two_address_op (op: operation) : bool := (* Constraints on constant propagation for builtins *) -Definition builtin_get_spr := ident_of_string "__builtin_get_spr". -Definition builtin_set_spr := ident_of_string "__builtin_set_spr". -Definition builtin_prefetch := ident_of_string "__builtin_prefetch". -Definition builtin_dcbtls := ident_of_string "__builtin_dcbtls". -Definition builtin_icbtls := ident_of_string "__builtin_icbtls". -Definition builtin_mbar := ident_of_string "__builtin_mbar". - Definition builtin_constraints (ef: external_function) : list builtin_arg_constraint := match ef with | EF_builtin id sg => - if ident_eq id builtin_get_spr then OK_const :: nil - else if ident_eq id builtin_set_spr then OK_const :: OK_default :: nil - else if ident_eq id builtin_prefetch then OK_default :: OK_const :: OK_const :: nil - else if ident_eq id builtin_dcbtls then OK_default::OK_const::nil - else if ident_eq id builtin_icbtls then OK_default::OK_const::nil - else if ident_eq id builtin_mbar then OK_const::nil + if string_dec id "__builtin_get_spr" then OK_const :: nil + else if string_dec id "__builtin_set_spr" then OK_const :: OK_default :: nil + else if string_dec id "__builtin_prefetch" then OK_default :: OK_const :: OK_const :: nil + else if string_dec id "__builtin_dcbtls" then OK_default::OK_const::nil + else if string_dec id "__builtin_icbtls" then OK_default::OK_const::nil + else if string_dec id "__builtin_mbar" then OK_const::nil else nil | EF_vload _ => OK_addrany :: nil | EF_vstore _ => OK_addrany :: OK_default :: nil |