diff options
Diffstat (limited to 'lib/hipe')
| -rw-r--r-- | lib/hipe/amd64/hipe_amd64_registers.erl | 27 |
1 files changed, 9 insertions, 18 deletions
diff --git a/lib/hipe/amd64/hipe_amd64_registers.erl b/lib/hipe/amd64/hipe_amd64_registers.erl index a4cb71a106..a5cecef5a1 100644 --- a/lib/hipe/amd64/hipe_amd64_registers.erl +++ b/lib/hipe/amd64/hipe_amd64_registers.erl @@ -207,19 +207,14 @@ allocatable_x87() -> nr_args() -> ?AMD64_NR_ARG_REGS. -arg(N) -> - if N < ?AMD64_NR_ARG_REGS -> - case N of - 0 -> ?ARG0; - 1 -> ?ARG1; - 2 -> ?ARG2; - 3 -> ?ARG3; - 4 -> ?ARG4; - 5 -> ?ARG5; - _ -> exit({?MODULE, arg, N}) - end; - true -> - exit({?MODULE, arg, N}) +arg(N) when N < ?AMD64_NR_ARG_REGS -> + case N of + 0 -> ?ARG0; + 1 -> ?ARG1; + 2 -> ?ARG2; + 3 -> ?ARG3; + 4 -> ?ARG4; + 5 -> ?ARG5 end. is_arg(R) -> @@ -240,11 +235,7 @@ args(Arity) when is_integer(Arity), Arity >= 0 -> args(I, Rest) when I < 0 -> Rest; args(I, Rest) -> args(I-1, [arg(I) | Rest]). -ret(N) -> - case N of - 0 -> ?RAX; - _ -> exit({?MODULE, ret, N}) - end. +ret(0) -> ?RAX. %% Note: the fact that (allocatable() UNION allocatable_x87() UNION %% allocatable_sse2()) is a subset of call_clobbered() is hard-coded in |