diff options
Diffstat (limited to 'powerpc/Machregs.v')
| -rw-r--r-- | powerpc/Machregs.v | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/powerpc/Machregs.v b/powerpc/Machregs.v index a2017dca..4391d5a8 100644 --- a/powerpc/Machregs.v +++ b/powerpc/Machregs.v @@ -160,9 +160,15 @@ 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_and_fetch". + Definition destroyed_by_builtin (ef: external_function): list mreg := match ef with - | EF_builtin _ _ => F13 :: nil + | EF_builtin id sg => + if ident_eq id builtin_atomic_exchange then R10::R11::F13:: nil + else if ident_eq id builtin_sync_and_fetch then R11::F13::nil + else F13 :: nil | EF_vload _ => R11 :: nil | EF_vstore Mint64 => R10 :: R11 :: R12 :: nil | EF_vstore _ => R11 :: R12 :: nil @@ -183,6 +189,7 @@ Definition temp_for_parent_frame: mreg := Definition mregs_for_operation (op: operation): list (option mreg) * option mreg := (nil, None). + Definition mregs_for_builtin (ef: external_function): list (option mreg) * list (option mreg) := (nil, nil). |