};
static const FuncInfo FuncInfoTable[] = {
+ { "addeq0sp", REG_AX, REG_AXY },
+ { "addeqysp", REG_AXY, REG_AXY },
{ "addysp", REG_Y, REG_NONE },
{ "aslax1", REG_AX, REG_AX | REG_TMP1 },
{ "aslax2", REG_AX, REG_AX | REG_TMP1 },
{ "laddeq", REG_EAXY|REG_PTR1_LO, REG_EAXY | REG_PTR1_HI },
{ "laddeq1", REG_Y | REG_PTR1_LO, REG_EAXY | REG_PTR1_HI },
{ "laddeqa", REG_AY | REG_PTR1_LO, REG_EAXY | REG_PTR1_HI },
+ { "laddeq0sp", REG_EAX, REG_EAXY },
+ { "laddeqysp", REG_EAXY, REG_EAXY },
{ "ldaidx", REG_AXY, REG_AX | REG_PTR1 },
{ "ldauidx", REG_AXY, REG_AX | REG_PTR1 },
- { "ldax0sp", REG_Y, REG_AX },
+ { "ldax0sp", REG_NONE, REG_AXY },
{ "ldaxi", REG_AX, REG_AXY | REG_PTR1 },
{ "ldaxidx", REG_AXY, REG_AXY | REG_PTR1 },
{ "ldaxysp", REG_Y, REG_AXY },
+ { "ldeax0sp", REG_NONE, REG_EAXY },
+ { "ldeaxi", REG_AX, REG_EAXY | REG_PTR1 },
+ { "ldeaxidx", REG_AXY, REG_EAXY | REG_PTR1 },
+ { "ldeaxysp", REG_Y, REG_EAXY },
{ "leaasp", REG_A, REG_AX },
{ "lsubeq", REG_EAXY|REG_PTR1_LO, REG_EAXY | REG_PTR1_HI },
{ "lsubeq0sp", REG_EAX, REG_EAXY },
{ "lsubeq1", REG_Y | REG_PTR1_LO, REG_EAXY | REG_PTR1_HI },
{ "lsubeqa", REG_AY | REG_PTR1_LO, REG_EAXY | REG_PTR1_HI },
{ "lsubeqysp", REG_EAXY, REG_EAXY },
+ { "lsubeq0sp", REG_EAX, REG_EAXY },
{ "negax", REG_AX, REG_AX },
+ { "push0", REG_NONE, REG_AXY },
+ { "push1", REG_NONE, REG_AXY },
+ { "push2", REG_NONE, REG_AXY },
+ { "push3", REG_NONE, REG_AXY },
+ { "push4", REG_NONE, REG_AXY },
+ { "push5", REG_NONE, REG_AXY },
+ { "push6", REG_NONE, REG_AXY },
+ { "push7", REG_NONE, REG_AXY },
{ "pusha", REG_A, REG_Y },
{ "pusha0", REG_A, REG_XY },
+ { "pusha0sp", REG_NONE, REG_AY },
{ "pushax", REG_AX, REG_Y },
+ { "pushaysp", REG_Y, REG_AY },
+ { "pushc0", REG_NONE, REG_A | REG_Y },
+ { "pushc1", REG_NONE, REG_A | REG_Y },
+ { "pushc2", REG_NONE, REG_A | REG_Y },
{ "pusheax", REG_EAX, REG_Y },
+ { "pushw", REG_AX, REG_AXY | REG_PTR1 },
{ "pushw0sp", REG_NONE, REG_AXY },
+ { "pushwidx", REG_AXY, REG_AXY | REG_PTR1 },
{ "pushwysp", REG_Y, REG_AXY },
+ { "regswap", REG_AXY, REG_AXY | REG_TMP1 },
+ { "regswap1", REG_XY, REG_A },
+ { "regswap2", REG_XY, REG_A | REG_Y },
{ "shlax1", REG_AX, REG_AX | REG_TMP1 },
{ "shlax2", REG_AX, REG_AX | REG_TMP1 },
{ "shlax3", REG_AX, REG_AX | REG_TMP1 },
{ "staspidx", REG_A | REG_Y, REG_Y | REG_TMP1 | REG_PTR1 },
{ "stax0sp", REG_AX, REG_Y },
{ "staxysp", REG_AXY, REG_Y },
+ { "steax0sp", REG_EAX, REG_Y },
+ { "steaxysp", REG_EAXY, REG_Y },
{ "subeq0sp", REG_AX, REG_AXY },
{ "subeqysp", REG_AXY, REG_AXY },
- { "tsteax", REG_EAX, REG_Y },
{ "tosadda0", REG_A, REG_AXY },
{ "tosaddax", REG_AX, REG_AXY },
- { "tosicmp", REG_AX, REG_AXY | REG_SREG },
- { "tosdiva0", REG_AX, REG_ALL },
- { "tosdivax", REG_AX, REG_ALL },
- { "tosdiveax", REG_EAX, REG_ALL },
+ { "tosanda0", REG_A, REG_AXY },
+ { "tosandax", REG_AX, REG_AXY },
+ { "tosdiva0", REG_AY, REG_ALL },
+ { "tosdivax", REG_AXY, REG_ALL },
+ { "tosdiveax", REG_EAXY, REG_ALL },
{ "toseqeax", REG_EAX, REG_AXY | REG_PTR1 },
{ "tosgeeax", REG_EAX, REG_AXY | REG_PTR1 },
{ "tosgteax", REG_EAX, REG_AXY | REG_PTR1 },
+ { "tosicmp", REG_AX, REG_AXY | REG_SREG },
{ "toslcmp", REG_EAX, REG_A | REG_Y | REG_PTR1 },
{ "tosleeax", REG_EAX, REG_AXY | REG_PTR1 },
{ "toslteax", REG_EAX, REG_AXY | REG_PTR1 },
{ "tosumula0", REG_AX, REG_ALL },
{ "tosumulax", REG_AX, REG_ALL },
{ "tosumuleax", REG_EAX, REG_ALL },
+ { "tsteax", REG_EAX, REG_Y },
{ "utsteax", REG_EAX, REG_Y },
};
#define FuncInfoCount (sizeof(FuncInfoTable) / sizeof(FuncInfoTable[0]))
FuncDesc* D = E->V.F.Func;
if ((D->Flags & FD_FASTCALL) != 0 && D->ParamCount > 0) {
/* Will use registers depending on the last param */
- SymEntry* LastParam = D->SymTab->SymTail;
- unsigned LastParamSize = CheckedSizeOf (LastParam->Type);
+ unsigned LastParamSize = CheckedSizeOf (D->LastParam->Type);
if (LastParamSize == 1) {
*Use = REG_A;
} else if (LastParamSize == 2) {
+int RegEAXUsed (struct CodeSeg* S, unsigned Index)
+/* Check if any of the four bytes in EAX are used. */
+{
+ return (GetRegInfo (S, Index, REG_EAX) & REG_EAX) != 0;
+}
+
+
+
unsigned GetKnownReg (unsigned Use, const RegContents* RC)
/* Return the register or zero page location from the set in Use, thats
* contents are known. If Use does not contain any register, or if the
return (RC == 0 || RC->RegY >= 0)? REG_Y : REG_NONE;
} else if ((Use & REG_TMP1) != 0) {
return (RC == 0 || RC->Tmp1 >= 0)? REG_TMP1 : REG_NONE;
+ } else if ((Use & REG_PTR1_LO) != 0) {
+ return (RC == 0 || RC->Ptr1Lo >= 0)? REG_PTR1_LO : REG_NONE;
+ } else if ((Use & REG_PTR1_HI) != 0) {
+ return (RC == 0 || RC->Ptr1Hi >= 0)? REG_PTR1_HI : REG_NONE;
} else if ((Use & REG_SREG_LO) != 0) {
return (RC == 0 || RC->SRegLo >= 0)? REG_SREG_LO : REG_NONE;
} else if ((Use & REG_SREG_HI) != 0) {
}
}
-
+
static cmp_t FindCmpCond (const char* Code, unsigned CodeLen)
/* Search for a compare condition by the given code using the given length */
projects / cc65 / blobdiff