paweld/fpc
1
0
Fork 0
mirror of https://gitlab.com/freepascal.org/fpc/source.git synced 2025-08-27 05:32:28 +02:00
Code Issues Packages Projects Releases Wiki Activity

+ support the f32.const and f64.const instructions in twasmreader.HandlePlainInstruction

Browse Source
This commit is contained in:
Nikolay Nikolov 2024-07-15 20:07:38 +03:00
parent 02e90adfe1
commit 09f2fa0daf
2 changed files with 49 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
compiler/rautils.pas
View File

@ -45,7 +45,7 @@ type
TOprType=(OPR_NONE,OPR_CONSTANT,OPR_SYMBOL,OPR_LOCAL,
OPR_REFERENCE,OPR_REGISTER,OPR_COND,OPR_REGSET,
OPR_SHIFTEROP,OPR_MODEFLAGS,OPR_SPECIALREG,
OPR_REGPAIR,OPR_FENCEFLAGS,OPR_INDEXEDREG);
OPR_REGPAIR,OPR_FENCEFLAGS,OPR_INDEXEDREG,OPR_FLOATCONSTANT);
TOprRec = record
case typ:TOprType of
@ -89,6 +89,9 @@ type
{$if defined(riscv32) or defined(riscv64)}
OPR_FENCEFLAGS: (fenceflags : TFenceFlags);
{$endif aarch64}
{$ifdef wasm32}
OPR_FLOATCONSTANT: (floatval:double);
{$endif wasm32}
end;
TInstruction = class;

46
compiler/wasm32/rawasmtext.pas
View File

@ -55,6 +55,7 @@ Unit rawasmtext;
actasmtoken : tasmtoken;
prevasmtoken : tasmtoken;
actinttoken : aint;
actfloattoken : double;
procedure SetupTables;
procedure GetToken;
function consume(t : tasmtoken):boolean;
@ -146,6 +147,20 @@ Unit rawasmtext;
end;
end;
function GetFloatToken: double;
var
s: string;
begin
s:=actasmpattern;
if is_hex then
begin
{ TODO: parse hex floats }
internalerror(2024071501);
end
else
Val(s,result);
end;
var
len: Integer;
tmpS: string;
@ -337,7 +352,10 @@ Unit rawasmtext;
end;
actasmpattern[0]:=chr(len);
if is_float then
actasmtoken:=AS_REALNUM
begin
actasmtoken:=AS_REALNUM;
actfloattoken:=GetFloatToken;
end
else
begin
actasmtoken:=AS_INTNUM;
@ -770,6 +788,32 @@ Unit rawasmtext;
Consume(AS_INTNUM);
end;
end;
{ instructions with a float const operand }
a_f32_const,
a_f64_const:
begin
case actasmtoken of
AS_INTNUM:
begin
result.operands[1].opr.typ:=OPR_FLOATCONSTANT;
result.operands[1].opr.floatval:=actinttoken;
Consume(AS_INTNUM);
end;
AS_REALNUM:
begin
result.operands[1].opr.typ:=OPR_FLOATCONSTANT;
result.operands[1].opr.floatval:=actfloattoken;
Consume(AS_REALNUM);
end;
else
begin
{ error: expected real }
result.Free;
result:=nil;
Consume(AS_REALNUM);
end;
end;
end;
else
internalerror(2024071401);
end;