runtime/vm/flow_graph_compiler_x64.cc - Issue 738453002: Add missing verified write on x64; extend test coverage

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Unified Diff: runtime/vm/flow_graph_compiler_x64.cc

Issue 738453002: Add missing verified write on x64; extend test coverage (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/

Patch Set: Created 6 years, 1 month ago

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Index: runtime/vm/flow_graph_compiler_x64.cc

===================================================================

--- runtime/vm/flow_graph_compiler_x64.cc (revision 41792)

+++ runtime/vm/flow_graph_compiler_x64.cc (working copy)

@@ -1271,6 +1271,7 @@

#endif // DEBUG

__ IncrementSmiField(FieldAddress(RAX, Array::element_offset(0)), 1);

#if defined(DEBUG)

+ // If the assertion below fails, update EdgeCounterIncrementSizeInBytes.

intptr_t expected = EdgeCounterIncrementSizeInBytes();

intptr_t actual = assembler_->CodeSize() - increment_start;

if (actual != expected) {

@@ -1283,6 +1284,7 @@

int32_t FlowGraphCompiler::EdgeCounterIncrementSizeInBytes() {

+ // Used by CodePatcher; so must be constant across all code in an isolate.

return VerifiedMemory::enabled() ? 73 : 5;

}

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