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Remove scc

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PCC with GC_PARALLEL=0 is exactly equivalent to SCC.  Also now that PCC
will dynamically avoid atomic forwarding if parallelism is disabled at
run-time, there is no need to keep SCC around.
This commit is contained in:
Andy Wingo 2024-09-10 11:06:40 +02:00
parent 6545b34073
commit 1ff082705e
10 changed files with 78 additions and 832 deletions
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4
src/copy-space.h
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@ -523,7 +523,7 @@ static inline int
copy_space_forward(struct copy_space *space, struct gc_edge edge,
struct gc_ref old_ref,
struct copy_space_allocator *alloc) {
if (space->atomic_forward)
if (GC_PARALLEL && space->atomic_forward)
return copy_space_forward_atomic(space, edge, old_ref, alloc);
return copy_space_forward_nonatomic(space, edge, old_ref, alloc);
}
@ -531,7 +531,7 @@ copy_space_forward(struct copy_space *space, struct gc_edge edge,
static inline int
copy_space_forward_if_traced(struct copy_space *space, struct gc_edge edge,
struct gc_ref old_ref) {
if (space->atomic_forward)
if (GC_PARALLEL && space->atomic_forward)
return copy_space_forward_if_traced_atomic(space, edge, old_ref);
return copy_space_forward_if_traced_nonatomic(space, edge, old_ref);
}