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Track cheap local symbols. Reduce initial collection size to one. This causes

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a small increase in allocations, but about 20% decrease in allocated memory.
Looks like many of the collections are rather small.


git-svn-id: svn://svn.cc65.org/cc65/trunk@5199 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz 2011-08-17 21:34:26 +00:00
parent 6aae186f7f
commit ae0fcbf345
1 changed files with 13 additions and 4 deletions
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17
src/dbginfo/dbginfo.c
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@ -348,6 +348,7 @@ struct SymInfo {
SymInfo* Info; /* Pointer to parent symbol if any */
} Parent;
Collection* ImportList; /* List of imports if this is an export */
Collection* CheapLocals; /* List of cheap local symbols */
char Name[1]; /* Name of symbol */
};
@ -706,7 +707,7 @@ static void CollPrepareInsert (Collection* C, unsigned Index)
/* Grow the array if necessary */
if (C->Count >= C->Size) {
/* Must grow */
CollGrow (C, (C->Size == 0)? 8 : C->Size * 2);
CollGrow (C, (C->Size == 0)? 1 : C->Size * 2);
}
/* Move the existing elements if needed */
@ -768,7 +769,7 @@ static void CollReplaceExpand (Collection* C, void* Item, unsigned Index)
/* Must expand the collection */
unsigned Size = C->Size;
if (Size == 0) {
Size = 8;
Size = 2;
}
while (Index >= Size) {
Size *= 2;
@ -1348,7 +1349,7 @@ static int CompareScopeInfoByName (const void* L, const void* R)
int Res = strcmp (Left->Name, Right->Name);
if (Res == 0) {
Res = (int)Left->Id - (int)Right->Id;
}
}
return Res;
}
@ -1527,6 +1528,7 @@ static SymInfo* NewSymInfo (const StrBuf* Name)
/* Initialize it as necessary */
S->ImportList = 0;
S->CheapLocals = 0;
memcpy (S->Name, SB_GetConstBuf (Name), SB_GetLen (Name) + 1);
/* Return it */
@ -1539,6 +1541,7 @@ static void FreeSymInfo (SymInfo* S)
/* Free a SymInfo struct */
{
CollFree (S->ImportList);
CollFree (S->CheapLocals);
xfree (S);
}
@ -4450,7 +4453,7 @@ static void ProcessSymInfo (InputData* D)
CollAppend (&S->Scope.Info->SymInfoByName, S);
}
/* Resolve the parent */
/* Resolve the parent for cheap locals */
if (S->Parent.Id == CC65_INV_ID) {
S->Parent.Info = 0;
} else if (S->Parent.Id >= CollCount (&D->Info->SymInfoById)) {
@ -4461,6 +4464,12 @@ static void ProcessSymInfo (InputData* D)
S->Parent.Info = 0;
} else {
S->Parent.Info = CollAt (&D->Info->SymInfoById, S->Parent.Id);
/* Place a backpointer to the cheap local into the parent */
if (S->Parent.Info->CheapLocals == 0) {
S->Parent.Info->CheapLocals = CollNew ();
}
CollAppend (S->Parent.Info->CheapLocals, S);
}
}