src/compiler/x64/instruction-selector-x64.cc - Issue 1698483002: [arm][arm64] Improve CountTrailingZero implementation.

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Unified Diff: src/compiler/x64/instruction-selector-x64.cc

Issue 1698483002: [arm][arm64] Improve CountTrailingZero implementation. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: Created 4 years, 10 months ago

Use n/p to move between diff chunks; N/P to move between comments.

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Index: src/compiler/x64/instruction-selector-x64.cc

diff --git a/src/compiler/x64/instruction-selector-x64.cc b/src/compiler/x64/instruction-selector-x64.cc

index 96f8e32f8d607d7f95692bbeb4615137261da3a6..b540aa9bb18c192565d84fed9c96ae853398da4e 100644

--- a/src/compiler/x64/instruction-selector-x64.cc

+++ b/src/compiler/x64/instruction-selector-x64.cc

@@ -622,6 +622,12 @@ void InstructionSelector::VisitWord32Ctz(Node* node) {

}

+void InstructionSelector::VisitWord32ReverseBits(Node* node) { UNREACHABLE(); }

+void InstructionSelector::VisitWord64ReverseBits(Node* node) { UNREACHABLE(); }

void InstructionSelector::VisitWord32Popcnt(Node* node) {

X64OperandGenerator g(this);

Emit(kX64Popcnt32, g.DefineAsRegister(node), g.Use(node->InputAt(0)));