bslathi19/cc65
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Remove the unused (for now) predicate functions in coptstop.c to keep the compiler happy.

Browse Source
This commit is contained in:
Alex Volkov
2026-03-11 19:17:50 -04:00
parent 73f4149554
commit ca98b218e8
1 changed files with 0 additions and 147 deletions
Download Patch File Download Diff File Expand all files Collapse all files

147
src/cc65/coptstop.c
View File

@@ -271,51 +271,6 @@ static void ChooseTempZPLoc (StackOpData* D)
static int CanUseAny (const StackOpData* D)
/* Precondition: any operand will do when temp ZP location is available
** as fallback.
*/
{
return HaveUnusedTempZPLoc (D);
}
static int CanUseDirectLhsOrTempZP (const StackOpData* D)
/* Precondition: Either Lhs is direct-loaded, or temp ZP location
** must be available. Used by subopts falling back on temp ZP with
** AddStoreLhsX(), AddStoreLhsA(), ReplacePushByStore().
*/
{
return LhsIsDirectLoad (D) || HaveUnusedTempZPLoc (D);
}
static int CanUseNonStackLhsOrTempZP (const StackOpData* D)
/* Precondition: Either Lhs is direct-loaded and not stack-relative,
** or temp ZP location must be available. Used by subopts falling
** back on temp ZP after testing !LI_RELOAD_Y.
*/
{
return LhsIsDirectNonStackLoad (D) || HaveUnusedTempZPLoc (D);
}
static int CanUseNonStackLhsOrAny (const StackOpData* D)
/* Precondition: Either Lhs is direct-loaded and not stack-relative,
** or Rhs is direct-loaded and removable (because Lhs A/X must be in force
** at operation), or temp ZP location must be available.
** Used by subopts falling back on temp ZP after testing !LI_RELOAD_Y.
*/
{
return LhsIsDirectNonStackLoad (D) || RhsIsRemovable (D) ||
HaveUnusedTempZPLoc (D);
}
static int CanUseRegVarOrTempZP (const StackOpData* D)
/* Precondition: either the operand is a register (ZP) var, or a temp
** ZP location is available to store its value.
@@ -326,16 +281,6 @@ static int CanUseRegVarOrTempZP (const StackOpData* D)
static int CanUseRemovableRhs (const StackOpData* D)
/* Precondition: Rhs is direct-loaded and removable (because Lhs A/X must
** be in force at operation).
*/
{
return RhsIsRemovable (D);
}
/* ### Note: This is a temporary, artificially-limited precondition reproducing
** the original (OP_RHS_REMOVE_DIRECT | OP_RHS_LOAD_DIRECT) evaluation,
** but not useful otherwise.
@@ -350,16 +295,6 @@ static int CanUseRemovableRhsWithTempZP (const StackOpData* D)
static int CanUseDirectLhsOrRemovableRhs (const StackOpData* D)
/* Precondition: Either Lhs is direct-loaded, or Rhs is direct-loaded
** and removable (because Lhs A/X must be in force at operation).
*/
{
return LhsIsDirectLoad (D) || RhsIsRemovable (D);
}
/* ### Note: This is a temporary, artificially-limited precondition reproducing
** the original (OP_LR_INTERCHANGE | OP_RHS_REMOVE_DIRECT) evaluation,
** but not useful otherwise.
@@ -375,41 +310,6 @@ static int CanUseDirectWithRemovableRhsAndTempZP (const StackOpData* D)
static int CanUseAnyRemovableOrTempZP (const StackOpData* D)
/* Precondition: Either Lhs is direct-loaded, or Rhs is direct-loaded
** and removable (because Lhs A/X must be in force at operation), or
** a temp ZP location is available to store the Lhs.
*/
{
return CanUseDirectLhsOrRemovableRhs (D) || HaveUnusedTempZPLoc (D);
}
static int CanUseRegADirectLhsOrRemovableRhs (const StackOpData* D)
/* Precondition: Either Lhs reg A is direct-loaded, or entire Rhs is
** direct-loaded and removable (because Lhs A/X must be in force
** at operation).
*/
{
/* Note: the entire Rhs A/X must be removable, not just A. */
return RegIsDirectLoaded (&D->Lhs.A) || RhsIsRemovable (D);
}
static int CanUseRegANonStackLhsOrRemovableRhs (const StackOpData* D)
/* Precondition: Either Lhs reg A is direct-loaded and not stack-relative,
** or entire Rhs is direct-loaded removable (because Lhs A/X must be
** in force at operation).
*/
{
/* Note: the entire Rhs A/X must be removable, not just A. */
return RegIsDirectNonStackLoaded (&D->Lhs.A) || RhsIsRemovable (D);
}
static int MustHaveTempZP (const StackOpData* D)
/* Precondition: a temp ZP location must be available in all cases */
{
@@ -456,17 +356,6 @@ static int WithSameXMustHaveTempZP (const StackOpData* D)
static int WithSameXCanUseRemovableRhs (const StackOpData* D)
/* Precondition: When Rhs X == Lhs X, Rhs must be direct-loaded and removable
** (because Lhs A/X must be in force at operation).
*/
{
/* Note: the entire Rhs A/X must be removable, not just A. */
return SameRegXValueAtOp (D, 0) && RhsIsRemovable (D);
}
/* ### Note: This is a temporary, artificially-limited precondition reproducing
** the original (OP_RHS_REMOVE_DIRECT | OP_RHS_LOAD_DIRECT) evaluation
** for A-only subopts, but not useful otherwise.
@@ -482,42 +371,6 @@ static int WithSameXCanUseRemovableRhsWithTempZP (const StackOpData* D)
static int WithSameXCanUseNonStackLhsOrRemovableRhs (const StackOpData* D)
/* Precondition: When Rhs X == Lhs X, either Lhs reg A is direct-loaded and not
** stack-relative, or Rhs must be direct-loaded and removable (because Lhs A/X
** must be in force at operation).
*/
{
return SameRegXValueAtOp (D, 0) &&
CanUseRegANonStackLhsOrRemovableRhs (D);
}
static int WithSameXCanUseNonStackLhsOrAny (const StackOpData* D)
/* Precondition: When Rhs X == Lhs X, either Lhs reg A is direct-loaded and not
** stack-relative, or Rhs must be direct-loaded and removable (because Lhs A/X
** must be in force at operation), or a temp ZP location is available.
*/
{
return SameRegXValueAtOp (D, 0) &&
(CanUseRegANonStackLhsOrRemovableRhs (D) || HaveUnusedTempZPLoc (D));
}
static int WithSameXCanUseAny (const StackOpData* D)
/* Precondition: When Rhs X == Lhs X, either Lhs reg A is direct-loaded, or Rhs
** is direct-loaded and removable (because Lhs A/X must be in force at
** operation), or a temp ZP location is available to store the Lhs.
*/
{
return SameRegXValueAtOp (D, 0) &&
(CanUseRegADirectLhsOrRemovableRhs (D) || HaveUnusedTempZPLoc (D));
}
/*****************************************************************************/
/* Actual optimization functions */
/*****************************************************************************/