diff options
| author | Björn Gustavsson <[email protected]> | 2019-05-22 11:28:19 +0200 |
|---|---|---|
| committer | GitHub <[email protected]> | 2019-05-22 11:28:19 +0200 |
| commit | 48e1cc6a6f7bebacd5fb060bfd65ececbabfa6a1 (patch) | |
| tree | 833fa41fe780cf9a5b9f03f5d64143e115d46b36 /lib/hipe | |
| parent | 13833d876d103c03df4967e1fb249cdb8d30bc0b (diff) | |
| parent | 18dc9a8099d1ad8f52b9db7bd251bcbfd632ce5e (diff) | |
| download | otp-48e1cc6a6f7bebacd5fb060bfd65ececbabfa6a1.tar.gz otp-48e1cc6a6f7bebacd5fb060bfd65ececbabfa6a1.tar.bz2 otp-48e1cc6a6f7bebacd5fb060bfd65ececbabfa6a1.zip | |
Merge pull request #2242 from bjorng/bjorn/add-swap-instruction
Make the swap instruction known to the compiler
Diffstat (limited to 'lib/hipe')
| -rw-r--r-- | lib/hipe/icode/hipe_beam_to_icode.erl | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/hipe/icode/hipe_beam_to_icode.erl b/lib/hipe/icode/hipe_beam_to_icode.erl index 8e7e56b6c4..42e4ead169 100644 --- a/lib/hipe/icode/hipe_beam_to_icode.erl +++ b/lib/hipe/icode/hipe_beam_to_icode.erl @@ -1204,6 +1204,17 @@ trans_fun([{bs_get_position=Name,_,_,_}|_Instructions], _Env) -> trans_fun([{bs_set_position=Name,_,_}|_Instructions], _Env) -> nyi(Name); %%-------------------------------------------------------------------- +%% New instructions added in OTP 23. +%%-------------------------------------------------------------------- +%%--- swap --- +trans_fun([{swap,Reg1,Reg2}|Instructions], Env) -> + Var1 = mk_var(Reg1), + Var2 = mk_var(Reg2), + Temp = mk_var(new), + [hipe_icode:mk_move(Temp, Var1), + hipe_icode:mk_move(Var1, Var2), + hipe_icode:mk_move(Var2, Temp) | trans_fun(Instructions, Env)]; +%%-------------------------------------------------------------------- %%--- ERROR HANDLING --- %%-------------------------------------------------------------------- trans_fun([X|_], _) -> |