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author | Björn-Egil Dahlberg <[email protected]> | 2014-02-10 18:55:17 +0100 |
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committer | Björn-Egil Dahlberg <[email protected]> | 2014-02-13 14:39:28 +0100 |
commit | 210dbf68a62794b51b74337381cd87424a46b2a5 (patch) | |
tree | 6f7a25b60514b1b96bea15c4cf568c1a00c02504 /lib/compiler/src/beam_validator.erl | |
parent | 993642bd638f194c2cbb0e62ee706e8d6eb81fce (diff) | |
download | otp-210dbf68a62794b51b74337381cd87424a46b2a5.tar.gz otp-210dbf68a62794b51b74337381cd87424a46b2a5.tar.bz2 otp-210dbf68a62794b51b74337381cd87424a46b2a5.zip |
compiler: Change map instructions for fetching values
* Combine multiple get values with one instruction
* Combine multiple check keys with one instruction
Diffstat (limited to 'lib/compiler/src/beam_validator.erl')
-rw-r--r-- | lib/compiler/src/beam_validator.erl | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/lib/compiler/src/beam_validator.erl b/lib/compiler/src/beam_validator.erl index 682f7adbc2..9f8f1cd3f5 100644 --- a/lib/compiler/src/beam_validator.erl +++ b/lib/compiler/src/beam_validator.erl @@ -770,6 +770,9 @@ valfun_4({test,is_nonempty_list,{f,Lbl},[Cons]}, Vst) -> valfun_4({test,test_arity,{f,Lbl},[Tuple,Sz]}, Vst) when is_integer(Sz) -> assert_type(tuple, Tuple, Vst), set_type_reg({tuple,Sz}, Tuple, branch_state(Lbl, Vst)); +valfun_4({test,_Op,{f,Lbl},Src,{list,_}}, Vst) -> + validate_src([Src], Vst), + branch_state(Lbl, Vst); valfun_4({test,_Op,{f,Lbl},Src}, Vst) -> validate_src(Src, Vst), branch_state(Lbl, Vst); @@ -871,14 +874,21 @@ valfun_4({put_map_assoc,{f,Fail},Src,Dst,Live,{list,List}}, Vst) -> verify_put_map(Fail, Src, Dst, Live, List, Vst); valfun_4({put_map_exact,{f,Fail},Src,Dst,Live,{list,List}}, Vst) -> verify_put_map(Fail, Src, Dst, Live, List, Vst); -valfun_4({get_map_element,{f,Fail},Src,Key,Dst}, Vst0) -> - assert_term(Src, Vst0), - assert_term(Key, Vst0), - Vst = branch_state(Fail, Vst0), - set_type_reg(term, Dst, Vst); +valfun_4({get_map_elements,{f,Fail},Src,{list,List}}, Vst) -> + verify_get_map(Fail, Src, List, Vst); valfun_4(_, _) -> error(unknown_instruction). +verify_get_map(Fail, Src, List, Vst0) -> + assert_term(Src, Vst0), + Vst1 = branch_state(Fail, Vst0), + verify_get_map_pair(List,Vst0,Vst1). + +verify_get_map_pair([],_,Vst) -> Vst; +verify_get_map_pair([Src,Dst|Vs],Vst0,Vsti) -> + assert_term(Src, Vst0), + verify_get_map_pair(Vs,Vst0,set_type_reg(term,Dst,Vsti)). + verify_put_map(Fail, Src, Dst, Live, List, Vst0) -> verify_live(Live, Vst0), verify_y_init(Vst0), |