6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-07-24 22:24:54 +00:00
Code Issues Projects Releases Wiki Activity

Allow the new cast instructions.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32104 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
2006-12-01 22:34:43 +00:00
parent f7bde225f3
commit fcb5df8f2c
10 changed files with 3116 additions and 2676 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
tools/llvm-upgrade/UpgradeParser.y.cvs
View File

@@ -155,7 +155,8 @@ const char* getCastOpcode(TypeInfo& SrcTy, TypeInfo&DstTy) {
%token <String> MALLOC ALLOCA FREE LOAD STORE GETELEMENTPTR
%token <String> PHI_TOK SELECT SHL SHR ASHR LSHR VAARG
%token <String> EXTRACTELEMENT INSERTELEMENT SHUFFLEVECTOR
%token <String> CAST
%token <String> CAST TRUNC ZEXT SEXT FPTRUNC FPEXT FPTOUI FPTOSI UITOFP SITOFP
%token <String> PTRTOINT INTTOPTR BITCAST
%type <String> OptAssign OptLinkage OptCallingConv OptAlign OptCAlign
%type <String> SectionString OptSection GlobalVarAttributes GlobalVarAttribute
@@ -167,8 +168,8 @@ const char* getCastOpcode(TypeInfo& SrcTy, TypeInfo&DstTy) {
%type <String> ValueRefList OptTailCall InstVal IndexList OptVolatile
%type <String> MemoryInst SymbolicValueRef OptSideEffect GlobalType
%type <String> FnDeclareLinkage BasicBlockList BigOrLittle AsmBlock
%type <String> Name ValueRef ValueRefListE
%type <String> ShiftOps SetCondOps LogicalOps ArithmeticOps ConstValueRef
%type <String> Name ValueRef ValueRefListE ConstValueRef
%type <String> ShiftOps SetCondOps LogicalOps ArithmeticOps CastOps
%type <String> ConstVector
@@ -194,6 +195,9 @@ ArithmeticOps: ADD | SUB | MUL | UDIV | SDIV | FDIV | UREM | SREM | FREM;
LogicalOps : AND | OR | XOR;
SetCondOps : SETLE | SETGE | SETLT | SETGT | SETEQ | SETNE;
ShiftOps : SHL | SHR | ASHR | LSHR;
CastOps : TRUNC | ZEXT | SEXT | FPTRUNC | FPEXT | FPTOUI | FPTOSI |
UITOFP | SITOFP | PTRTOINT | INTTOPTR | BITCAST | CAST
;
// These are some types that allow classification if we only want a particular
// thing... for example, only a signed, unsigned, or integral type.
@@ -462,9 +466,11 @@ ConstVal: Types '[' ConstVector ']' { // Nonempty unsized arr
};
ConstExpr: CAST '(' ConstVal TO Types ')' {
ConstExpr: CastOps '(' ConstVal TO Types ')' {
// We must infer the cast opcode from the types of the operands.
const char *opcode = getCastOpcode($3.type, $5);
const char *opcode = $1->c_str();
if (*$1 == "cast")
opcode = getCastOpcode($3.type, $5);
$$ = new std::string(opcode);
*$$ += "(" + *$3.cnst + " " + *$4 + " " + *$5.newTy + ")";
delete $1; $3.destroy(); delete $4; $5.destroy();
@@ -976,8 +982,10 @@ InstVal : ArithmeticOps Types ValueRef ',' ValueRef {
*$$ += " " + *$2.val + ", " + *$4.val;
delete $1; $2.destroy(); $4.destroy();
}
| CAST ResolvedVal TO Types {
const char *opcode = getCastOpcode($2.type, $4);
| CastOps ResolvedVal TO Types {
const char *opcode = $1->c_str();
if (*$1 == "cast")
opcode = getCastOpcode($2.type, $4);
$$ = new std::string(opcode);
*$$ += *$2.val + " " + *$3 + " " + *$4.newTy;
delete $1; $2.destroy();