paweld/fpc
1
0
Fork 0
mirror of https://gitlab.com/freepascal.org/fpc/source.git synced 2025-09-02 18:30:33 +02:00
Code Issues Packages Projects Releases Wiki Activity

* procdef directive code generation moved to a separate method

Browse Source 
git-svn-id: branches/wasm@47000 -
This commit is contained in:
nickysn 2020-09-29 00:11:11 +00:00
parent 8fee0f6130
commit fe4f041436
1 changed files with 49 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

90
compiler/wasm32/hlcgcpu.pas
View File

@ -141,6 +141,8 @@ uses
{ Wasm-specific routines } { Wasm-specific routines }
procedure g_procdef(list:TAsmList;pd: tprocdef);
procedure a_load_stack_reg(list : TAsmList;size: tdef;reg: tregister); procedure a_load_stack_reg(list : TAsmList;size: tdef;reg: tregister);
{ extra_slots are the slots that are used by the reference, and that { extra_slots are the slots that are used by the reference, and that
will be removed by the store operation } will be removed by the store operation }
@ -1625,50 +1627,10 @@ implementation
procedure thlcgwasm.g_proc_entry(list: TAsmList; localsize: longint; nostackframe: boolean); procedure thlcgwasm.g_proc_entry(list: TAsmList; localsize: longint; nostackframe: boolean);
var var
functype: tai_functype;
pd: tcpuprocdef; pd: tcpuprocdef;
i: integer;
prm: tcpuparavarsym;
bt: TWasmBasicType;
begin begin
pd:=tcpuprocdef(current_procinfo.procdef); pd:=tcpuprocdef(current_procinfo.procdef);
functype:=tai_functype.create(pd.mangledname); g_procdef(list,pd);
if Assigned(pd.paras) and (pd.paras.Count>0) then
begin
for i:=0 to pd.paras.Count-1 do
begin
prm := tcpuparavarsym(pd.paras[i]);
case prm.paraloc[callerside].Size of
OS_8..OS_32, OS_S8..OS_S32:
functype.add_param(wbt_i32);
OS_64, OS_S64:
functype.add_param(wbt_i64);
OS_F32:
functype.add_param(wbt_f32);
OS_F64:
functype.add_param(wbt_f64);
else
// unsupported calleeside parameter type
Internalerror(2019093001);
end;
end;
end;
if Assigned(pd.returndef) and (pd.returndef.size>0) then
begin
if not defToWasmBasic(pd.returndef,bt) then
bt:=wbt_i32;
case bt of
wbt_i64:
functype.add_result(wbt_i64);
wbt_f32:
functype.add_result(wbt_f32);
wbt_f64:
functype.add_result(wbt_f64);
else
functype.add_result(wbt_i32);
end;
end;
list.Concat(functype);
tg.gethltemp(list,voidpointertype,voidpointertype.size,tt_persistent,pd.frame_pointer_ref); tg.gethltemp(list,voidpointertype,voidpointertype.size,tt_persistent,pd.frame_pointer_ref);
tg.gethltemp(list,voidpointertype,voidpointertype.size,tt_persistent,pd.base_pointer_ref); tg.gethltemp(list,voidpointertype,voidpointertype.size,tt_persistent,pd.base_pointer_ref);
@ -2041,6 +2003,52 @@ implementation
internalerror(2012090206); internalerror(2012090206);
end; end;
procedure thlcgwasm.g_procdef(list: TAsmList; pd: tprocdef);
var
functype: tai_functype;
i: integer;
prm: tcpuparavarsym;
bt: TWasmBasicType;
begin
functype:=tai_functype.create(pd.mangledname);
if Assigned(pd.paras) and (pd.paras.Count>0) then
begin
for i:=0 to pd.paras.Count-1 do
begin
prm := tcpuparavarsym(pd.paras[i]);
case prm.paraloc[callerside].Size of
OS_8..OS_32, OS_S8..OS_S32:
functype.add_param(wbt_i32);
OS_64, OS_S64:
functype.add_param(wbt_i64);
OS_F32:
functype.add_param(wbt_f32);
OS_F64:
functype.add_param(wbt_f64);
else
// unsupported calleeside parameter type
Internalerror(2019093001);
end;
end;
end;
if Assigned(pd.returndef) and (pd.returndef.size>0) then
begin
if not defToWasmBasic(pd.returndef,bt) then
bt:=wbt_i32;
case bt of
wbt_i64:
functype.add_result(wbt_i64);
wbt_f32:
functype.add_result(wbt_f32);
wbt_f64:
functype.add_result(wbt_f64);
else
functype.add_result(wbt_i32);
end;
end;
list.Concat(functype);
end;
procedure thlcgwasm.a_load_stack_reg(list: TAsmList; size: tdef; reg: tregister); procedure thlcgwasm.a_load_stack_reg(list: TAsmList; size: tdef; reg: tregister);
var var
opc: tasmop; opc: tasmop;