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authorflorian <florian@3ad0048d-3df7-0310-abae-a5850022a9f2>2008-02-04 20:57:09 +0000
committerflorian <florian@3ad0048d-3df7-0310-abae-a5850022a9f2>2008-02-04 20:57:09 +0000
commitc87bbd841de2255e02cb9145be08460f7ea74d3e (patch)
treed8f5d0cf196d2f92f20872bff924e3e10c4731dd
parent09f63260a9e7c9d3603084082bfbbbe3ee7e77a8 (diff)
downloadfpc-c87bbd841de2255e02cb9145be08460f7ea74d3e.tar.gz
* compiling skeleton
git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@10211 3ad0048d-3df7-0310-abae-a5850022a9f2
-rw-r--r--compiler/avr/raavrgas.pas91
-rw-r--r--compiler/systems.pas1
2 files changed, 11 insertions, 81 deletions
diff --git a/compiler/avr/raavrgas.pas b/compiler/avr/raavrgas.pas
index 31023f75df..f8b2dc26fc 100644
--- a/compiler/avr/raavrgas.pas
+++ b/compiler/avr/raavrgas.pas
@@ -36,7 +36,6 @@ Unit raavrgas;
procedure handleopcode;override;
procedure BuildReference(oper : tavroperand);
procedure BuildOperand(oper : tavroperand);
- function TryBuildShifterOp(oper : tavroperand) : boolean;
procedure BuildOpCode(instr : tavrinstruction);
procedure ReadSym(oper : tavroperand);
procedure ConvertCalljmp(instr : tavrinstruction);
@@ -215,8 +214,8 @@ Unit raavrgas;
procedure AddLabelOperand(hl:tasmlabel);
begin
- if not(actasmtoken in [AS_PLUS,AS_MINUS,AS_LPAREN]) and
- is_calljmp(actopcode) then
+ if not(actasmtoken in [AS_PLUS,AS_MINUS,AS_LPAREN]) { and
+ is_calljmp(actopcode) } then
begin
oper.opr.typ:=OPR_SYMBOL;
oper.opr.symbol:=hl;
@@ -472,48 +471,10 @@ Unit raavrgas;
oper.opr.typ:=OPR_REGISTER;
oper.opr.reg:=tempreg;
end
- else if (actasmtoken=AS_NOT) and (actopcode in [A_LDM,A_STM]) then
- begin
- consume(AS_NOT);
- oper.opr.typ:=OPR_REFERENCE;
- oper.opr.ref.addressmode:=AM_PREINDEXED;
- oper.opr.ref.index:=tempreg;
- end
else
Message(asmr_e_syn_operand);
end;
- { Registerset }
- AS_LSBRACKET:
- begin
- consume(AS_LSBRACKET);
- registerset:=[];
- while true do
- begin
- if actasmtoken=AS_REGISTER then
- begin
- include(registerset,getsupreg(actasmregister));
- tempreg:=actasmregister;
- consume(AS_REGISTER);
- if actasmtoken=AS_MINUS then
- begin
- consume(AS_MINUS);
- for ireg:=getsupreg(tempreg) to getsupreg(actasmregister) do
- include(registerset,ireg);
- consume(AS_REGISTER);
- end;
- end
- else
- consume(AS_REGISTER);
- if actasmtoken=AS_COMMA then
- consume(AS_COMMA)
- else
- break;
- end;
- consume(AS_RSBRACKET);
- oper.opr.typ:=OPR_REGSET;
- oper.opr.regset:=registerset;
- end;
AS_END,
AS_SEPARATOR,
AS_COMMA: ;
@@ -546,7 +507,6 @@ Unit raavrgas;
begin
Opcode:=ActOpcode;
condition:=ActCondition;
- oppostfix:=actoppostfix;
end;
{ We are reading operands, so opcode will be an AS_ID }
@@ -563,22 +523,11 @@ Unit raavrgas;
case actasmtoken of
AS_COMMA: { Operand delimiter }
Begin
- if ((instr.opcode=A_MOV) and (operandnum=2)) or
- ((operandnum=3) and not(instr.opcode in [A_UMLAL,A_UMULL,A_SMLAL,A_SMULL,A_MLA])) then
- begin
- Consume(AS_COMMA);
- if not(TryBuildShifterOp(instr.Operands[operandnum+1] as tavroperand)) then
- Message(asmr_e_illegal_shifterop_syntax);
- Inc(operandnum);
- end
+ if operandnum>Max_Operands then
+ Message(asmr_e_too_many_operands)
else
- begin
- if operandnum>Max_Operands then
- Message(asmr_e_too_many_operands)
- else
- Inc(operandnum);
- Consume(AS_COMMA);
- end;
+ Inc(operandnum);
+ Consume(AS_COMMA);
end;
AS_SEPARATOR,
AS_END : { End of asm operands for this opcode }
@@ -602,11 +551,6 @@ Unit raavrgas;
'IA','IB','DA','DB','FD','FA','ED','EA',
'B','D','E','P','T','H','S');
- postfixsorted : array[1..19] of TOpPostfix = (
- PF_EP,PF_SB,PF_BT,PF_SH,
- PF_IA,PF_IB,PF_DA,PF_DB,PF_FD,PF_FA,PF_ED,PF_EA,
- PF_B,PF_D,PF_E,PF_P,PF_T,PF_H,PF_S);
-
var
len,
j,
@@ -625,13 +569,13 @@ Unit raavrgas;
actcondition:=C_None;
{ first, handle B else BLS is read wrong }
- if ((hs[1]='B') and (length(hs)=3)) then
+ if ((copy(hs,1,2)='BR') and (length(hs)=4)) then
begin
for icond:=low(tasmcond) to high(tasmcond) do
begin
if copy(hs,2,3)=uppercond2str[icond] then
begin
- actopcode:=A_B;
+ actopcode:=A_BRxx;
actasmtoken:=AS_OPCODE;
actcondition:=icond;
is_asmopcode:=true;
@@ -668,20 +612,6 @@ Unit raavrgas;
end;
end;
end;
- { check for postfix }
- if length(hs)>0 then
- begin
- for j:=low(postfixsorted) to high(postfixsorted) do
- begin
- if copy(hs,1,length(postfix2strsorted[j]))=postfix2strsorted[j] then
- begin
- actoppostfix:=postfixsorted[j];
- { strip postfix }
- delete(hs,1,length(postfix2strsorted[j]));
- break;
- end;
- end;
- end;
{ if we stripped all postfixes, it's a valid opcode }
is_asmopcode:=length(hs)=0;
end;
@@ -710,8 +640,8 @@ Unit raavrgas;
begin
instr:=tavrinstruction.Create(tavroperand);
BuildOpcode(instr);
- if is_calljmp(instr.opcode) then
- ConvertCalljmp(instr);
+{ if is_calljmp(instr.opcode) then
+ ConvertCalljmp(instr); }
{
instr.AddReferenceSizes;
instr.SetInstructionOpsize;
@@ -719,7 +649,6 @@ Unit raavrgas;
}
instr.ConcatInstruction(curlist);
instr.Free;
- actoppostfix:=PF_None;
end;
diff --git a/compiler/systems.pas b/compiler/systems.pas
index 0108cf0304..537d7f5477 100644
--- a/compiler/systems.pas
+++ b/compiler/systems.pas
@@ -67,6 +67,7 @@ interface
,asmmode_m68k_mot
,asmmode_x86_64_intel
,asmmode_x86_64_att
+ ,asmmode_avr_gas
);
(* IMPORTANT NOTE: