From 39e264fe45f931eaa6f62e2c2e9b5925f1201793 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= Date: Wed, 6 Dec 2017 15:34:19 +0100 Subject: beam_disasm: Remove support for obsolete instructions --- lib/compiler/src/beam_disasm.erl | 82 ---------------------------------------- 1 file changed, 82 deletions(-) diff --git a/lib/compiler/src/beam_disasm.erl b/lib/compiler/src/beam_disasm.erl index 5858b14409..c71d832f9d 100644 --- a/lib/compiler/src/beam_disasm.erl +++ b/lib/compiler/src/beam_disasm.erl @@ -719,42 +719,6 @@ resolve_inst({wait,[Lbl]},_,_,_) -> {wait,Lbl}; resolve_inst({wait_timeout,[Lbl,Int]},_,_,_) -> {wait_timeout,Lbl,resolve_arg(Int)}; -resolve_inst({m_plus,Args},_,_,_) -> - [W,SrcR1,SrcR2,DstR] = resolve_args(Args), - {arithbif,'+',W,[SrcR1,SrcR2],DstR}; -resolve_inst({m_minus,Args},_,_,_) -> - [W,SrcR1,SrcR2,DstR] = resolve_args(Args), - {arithbif,'-',W,[SrcR1,SrcR2],DstR}; -resolve_inst({m_times,Args},_,_,_) -> - [W,SrcR1,SrcR2,DstR] = resolve_args(Args), - {arithbif,'*',W,[SrcR1,SrcR2],DstR}; -resolve_inst({m_div,Args},_,_,_) -> - [W,SrcR1,SrcR2,DstR] = resolve_args(Args), - {arithbif,'/',W,[SrcR1,SrcR2],DstR}; -resolve_inst({int_div,Args},_,_,_) -> - [W,SrcR1,SrcR2,DstR] = resolve_args(Args), - {arithbif,'div',W,[SrcR1,SrcR2],DstR}; -resolve_inst({int_rem,Args},_,_,_) -> - [W,SrcR1,SrcR2,DstR] = resolve_args(Args), - {arithbif,'rem',W,[SrcR1,SrcR2],DstR}; -resolve_inst({int_band,Args},_,_,_) -> - [W,SrcR1,SrcR2,DstR] = resolve_args(Args), - {arithbif,'band',W,[SrcR1,SrcR2],DstR}; -resolve_inst({int_bor,Args},_,_,_) -> - [W,SrcR1,SrcR2,DstR] = resolve_args(Args), - {arithbif,'bor',W,[SrcR1,SrcR2],DstR}; -resolve_inst({int_bxor,Args},_,_,_) -> - [W,SrcR1,SrcR2,DstR] = resolve_args(Args), - {arithbif,'bxor',W,[SrcR1,SrcR2],DstR}; -resolve_inst({int_bsl,Args},_,_,_) -> - [W,SrcR1,SrcR2,DstR] = resolve_args(Args), - {arithbif,'bsl',W,[SrcR1,SrcR2],DstR}; -resolve_inst({int_bsr,Args},_,_,_) -> - [W,SrcR1,SrcR2,DstR] = resolve_args(Args), - {arithbif,'bsr',W,[SrcR1,SrcR2],DstR}; -resolve_inst({int_bnot,Args},_,_,_) -> - [W,SrcR,DstR] = resolve_args(Args), - {arithbif,'bnot',W,[SrcR],DstR}; resolve_inst({is_lt=I,Args0},_,_,_) -> [L|Args] = resolve_args(Args0), {test,I,L,Args}; @@ -800,9 +764,6 @@ resolve_inst({is_nil=I,Args0},_,_,_) -> resolve_inst({is_binary=I,Args0},_,_,_) -> [L|Args] = resolve_args(Args0), {test,I,L,Args}; -resolve_inst({is_constant=I,Args0},_,_,_) -> - [L|Args] = resolve_args(Args0), - {test,I,L,Args}; resolve_inst({is_list=I,Args0},_,_,_) -> [L|Args] = resolve_args(Args0), {test,I,L,Args}; @@ -840,11 +801,6 @@ resolve_inst({get_tuple_element,[Src,{u,Off},Dst]},_,_,_) -> {get_tuple_element,resolve_arg(Src),Off,resolve_arg(Dst)}; resolve_inst({set_tuple_element,[Src,Dst,{u,Off}]},_,_,_) -> {set_tuple_element,resolve_arg(Src),resolve_arg(Dst),Off}; -resolve_inst({put_string,[{u,Len},{u,Off},Dst]},_,Strings,_) -> - String = if Len > 0 -> binary_to_list(Strings, Off+1, Off+Len); - true -> "" - end, - {put_string,Len,{string,String},Dst}; resolve_inst({put_list,[Src1,Src2,Dst]},_,_,_) -> {put_list,resolve_arg(Src1),resolve_arg(Src2),Dst}; resolve_inst({put_tuple,[{u,Arity},Dst]},_,_,_) -> @@ -859,9 +815,6 @@ resolve_inst({case_end,[X]},_,_,_) -> {case_end,resolve_arg(X)}; resolve_inst({call_fun,[{u,N}]},_,_,_) -> {call_fun,N}; -resolve_inst({make_fun,Args},_,_,Lbls) -> - [{f,L},Magic,FreeVars] = resolve_args(Args), - {make_fun,lookup(L,Lbls),Magic,FreeVars}; resolve_inst({is_function=I,Args0},_,_,_) -> [L|Args] = resolve_args(Args0), {test,I,L,Args}; @@ -870,30 +823,6 @@ resolve_inst({call_ext_only,[{u,N},{u,MFAix}]},Imports,_,_) -> %% %% Instructions for handling binaries added in R7A & R7B %% -resolve_inst({bs_start_match,[F,Reg]},_,_,_) -> - {bs_start_match,F,Reg}; -resolve_inst({bs_get_integer=I,[Lbl,Arg2,{u,N},{u,U},Arg5]},_,_,_) -> - [A2,A5] = resolve_args([Arg2,Arg5]), - {test,I,Lbl,[A2,N,decode_field_flags(U),A5]}; -resolve_inst({bs_get_float=I,[Lbl,Arg2,{u,N},{u,U},Arg5]},_,_,_) -> - [A2,A5] = resolve_args([Arg2,Arg5]), - {test,I,Lbl,[A2,N,decode_field_flags(U),A5]}; -resolve_inst({bs_get_binary=I,[Lbl,Arg2,{u,N},{u,U},Arg5]},_,_,_) -> - [A2,A5] = resolve_args([Arg2,Arg5]), - {test,I,Lbl,[A2,N,decode_field_flags(U),A5]}; -resolve_inst({bs_skip_bits,[Lbl,Arg2,{u,N},{u,U}]},_,_,_) -> - A2 = resolve_arg(Arg2), - {test,bs_skip_bits,Lbl,[A2,N,decode_field_flags(U)]}; -resolve_inst({bs_test_tail,[F,{u,N}]},_,_,_) -> - {test,bs_test_tail,F,[N]}; -resolve_inst({bs_save,[{u,N}]},_,_,_) -> - {bs_save,N}; -resolve_inst({bs_restore,[{u,N}]},_,_,_) -> - {bs_restore,N}; -resolve_inst({bs_init,[{u,N},{u,U}]},_,_,_) -> - {bs_init,N,decode_field_flags(U)}; -resolve_inst({bs_final,[F,X]},_,_,_) -> - {bs_final,F,X}; resolve_inst({bs_put_integer,[Lbl,Arg2,{u,N},{u,U},Arg5]},_,_,_) -> [A2,A5] = resolve_args([Arg2,Arg5]), {bs_put_integer,Lbl,A2,N,decode_field_flags(U),A5}; @@ -908,8 +837,6 @@ resolve_inst({bs_put_string,[{u,Len},{u,Off}]},_,Strings,_) -> true -> "" end, {bs_put_string,Len,{string,String}}; -resolve_inst({bs_need_buf,[{u,N}]},_,_,_) -> - {bs_need_buf,N}; %% %% Instructions for handling floating point numbers added in June 2001 (R8). @@ -961,9 +888,6 @@ resolve_inst({raise,[_Reg1,_Reg2]=Regs},_,_,_) -> resolve_inst({bs_init2,[Lbl,Arg2,{u,W},{u,R},{u,F},Arg6]},_,_,_) -> [A2,A6] = resolve_args([Arg2,Arg6]), {bs_init2,Lbl,A2,W,R,decode_field_flags(F),A6}; -resolve_inst({bs_bits_to_bytes,[Lbl,Arg2,Arg3]},_,_,_) -> - [A2,A3] = resolve_args([Arg2,Arg3]), - {bs_bits_to_bytes,Lbl,A2,A3}; resolve_inst({bs_add=I,[Lbl,Arg2,Arg3,Arg4,Arg5]},_,_,_) -> [A2,A3,A4,A5] = resolve_args([Arg2,Arg3,Arg4,Arg5]), {I,Lbl,[A2,A3,A4],A5}; @@ -1040,12 +964,6 @@ resolve_inst({gc_bif3,Args},Imports,_,_) -> {extfunc,_Mod,BifName,_Arity} = lookup(Bif+1,Imports), {gc_bif,BifName,F,Live,[A1,A2,A3],Reg}; -%% -%% New instructions for creating non-byte aligned binaries. -%% -resolve_inst({bs_final2,[X,Y]},_,_,_) -> - {bs_final2,X,Y}; - %% %% R11B-5. %% -- cgit v1.2.3