diff options
Diffstat (limited to 'lib/hipe/amd64/hipe_amd64_registers.erl')
| -rw-r--r-- | lib/hipe/amd64/hipe_amd64_registers.erl | 42 |
1 files changed, 17 insertions, 25 deletions
diff --git a/lib/hipe/amd64/hipe_amd64_registers.erl b/lib/hipe/amd64/hipe_amd64_registers.erl index 780c2cc547..a5cecef5a1 100644 --- a/lib/hipe/amd64/hipe_amd64_registers.erl +++ b/lib/hipe/amd64/hipe_amd64_registers.erl @@ -1,9 +1,5 @@ %% -*- erlang-indent-level: 2 -*- %% -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2004-2016. All Rights Reserved. -%% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. %% You may obtain a copy of the License at @@ -15,9 +11,6 @@ %% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %% See the License for the specific language governing permissions and %% limitations under the License. -%% -%% %CopyrightEnd% -%% -module(hipe_amd64_registers). @@ -52,6 +45,7 @@ tailcall_clobbered/0, temp0/0, temp1/0, + sse2_temp0/0, %% fixed/0, wordsize/0 ]). @@ -107,6 +101,8 @@ heap_limit_offset() -> ?P_HP_LIMIT. -define(TEMP0, ?R14). -define(TEMP1, ?R13). +-define(SSE2_TEMP0, 00). + -define(PROC_POINTER, ?RBP). reg_name(R) -> @@ -204,24 +200,21 @@ allocatable() -> allocatable_sse2() -> [00,01,02,03,04,05,06,07,08,09,10,11,12,13,14,15]. %% xmm0 - xmm15 +sse2_temp0() -> ?SSE2_TEMP0. + allocatable_x87() -> [0,1,2,3,4,5,6]. 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) -> @@ -242,12 +235,11 @@ 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 +%% hipe_x86_defuse:insn_defs_all/1 call_clobbered() -> [{?RAX,tagged},{?RAX,untagged}, % does the RA strip the type or not? {?RDX,tagged},{?RDX,untagged}, |