runtime/vm/stub_code_mips.cc - Issue 1998263002: Include multiplication in the megamorphic cache hash to avoid cid ranges overlapping modulo table s…

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Unified Diff: runtime/vm/stub_code_mips.cc

Issue 1998263002: Include multiplication in the megamorphic cache hash to avoid cid ranges overlapping modulo table s… (Closed) Base URL: git@github.com:dart-lang/sdk.git@master

Patch Set: Created 4 years, 7 months ago

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Index: runtime/vm/stub_code_mips.cc

diff --git a/runtime/vm/stub_code_mips.cc b/runtime/vm/stub_code_mips.cc

index ce5db807e8970f74a9e6619b12fcf01f48b07364..27aa782b84fd4de5b6f61554751bc38eacbdc7e5 100644

--- a/runtime/vm/stub_code_mips.cc

+++ b/runtime/vm/stub_code_mips.cc

@@ -2220,7 +2220,9 @@ void StubCode::EmitMegamorphicLookup(Assembler* assembler) {

__ lw(T1, FieldAddress(S5, MegamorphicCache::mask_offset()));

// T2: cache buckets array.

// T1: mask.

- __ mov(T3, T0);

+ __ LoadImmediate(TMP, MegamorphicCache::kSpreadFactor);

+ __ mult(TMP, T0);

+ __ mflo(T3);

// T3: probe.

Label loop, update, call_target_function;

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