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Unified Diff: src/flag-definitions.h

Issue 1132753005: Greedy allocator: perf work (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: perf try Created 5 years, 7 months ago
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Index: src/flag-definitions.h
diff --git a/src/flag-definitions.h b/src/flag-definitions.h
index 40e48fe08597bd948958f2f88c9d0e5674879017..19a1593fda5abfa496b8ca4851a82d5584c62a8f 100644
--- a/src/flag-definitions.h
+++ b/src/flag-definitions.h
@@ -383,7 +383,21 @@ DEFINE_BOOL(omit_map_checks_for_leaf_maps, true,
// Flags for TurboFan.
DEFINE_BOOL(turbo, false, "enable TurboFan compiler")
-DEFINE_BOOL(turbo_greedy_regalloc, false, "use the greedy register allocator")
+DEFINE_BOOL(turbo_greedy_regalloc, true, "use the greedy register allocator")
+
+// Point-in time experimental flags for tuning the greedy allocator.
+DEFINE_BOOL(greedy_stats, false,
+ "experimental: report stats for the greedy allocator")
+DEFINE_BOOL(greedy_below, true,
+ "experimental, splitting: consider conflicting ranges ending "
+ "within losing range")
+DEFINE_BOOL(greedy_smart, true, "experimental, splitting: loop-aware split")
+DEFINE_BOOL(greedy_alternative, true,
+ "experimental, splitting: use alternative if loop-aware split "
+ "point is outside range")
+DEFINE_BOOL(greedy_split_longest, false,
+ "experimental, splitting: use longest register instead of heaviest")
+
DEFINE_IMPLICATION(turbo, turbo_deoptimization)
DEFINE_IMPLICATION(turbo, turbo_type_feedback)
DEFINE_STRING(turbo_filter, "~~", "optimization filter for TurboFan compiler")
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