runtime/vm/flow_graph_compiler_x64.cc - Issue 2891713002: Cleanup: Make CheckClassId instruction more general so it

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Unified Diff: runtime/vm/flow_graph_compiler_x64.cc

Issue 2891713002: Cleanup: Make CheckClassId instruction more general so it (Closed)

Patch Set: Created 3 years, 7 months ago

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Index: runtime/vm/flow_graph_compiler_x64.cc

diff --git a/runtime/vm/flow_graph_compiler_x64.cc b/runtime/vm/flow_graph_compiler_x64.cc

index b0d6f72e952b5391d24e98c88d822cde2f3a0348..398fc6d1eeba950735fd560be0e6d5a30d07a41b 100644

--- a/runtime/vm/flow_graph_compiler_x64.cc

+++ b/runtime/vm/flow_graph_compiler_x64.cc

@@ -1477,7 +1477,7 @@ int FlowGraphCompiler::EmitTestAndCallCheckCid(Label* next_label,

int bias) {

intptr_t cid_start = range.cid_start;

intptr_t cid_end = range.cid_end;

- if (cid_start == cid_end) {

+ if (range.IsSingleCid()) {

__ cmpl(RDI, Immediate(cid_start - bias));

__ j(NOT_EQUAL, next_label);

} else {