src/compiler/ia32/instruction-selector-ia32.cc - Issue 1698483002: [arm][arm64] Improve CountTrailingZero implementation.

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Unified Diff: src/compiler/ia32/instruction-selector-ia32.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

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Index: src/compiler/ia32/instruction-selector-ia32.cc

diff --git a/src/compiler/ia32/instruction-selector-ia32.cc b/src/compiler/ia32/instruction-selector-ia32.cc

index 17577f70da5b8d8974f870fcd3c1ca545e67cc15..922f9a13eaeb61e148169519f6828e3487bd097e 100644

--- a/src/compiler/ia32/instruction-selector-ia32.cc

+++ b/src/compiler/ia32/instruction-selector-ia32.cc

@@ -592,6 +592,9 @@ void InstructionSelector::VisitWord32Ctz(Node* node) {

}

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

void InstructionSelector::VisitWord32Popcnt(Node* node) {

IA32OperandGenerator g(this);

Emit(kIA32Popcnt, g.DefineAsRegister(node), g.Use(node->InputAt(0)));