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Unified Diff: runtime/vm/assembler_x64.cc

Issue 867383002: Implement bitLength intrinsic on x64. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 5 years, 11 months ago
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Index: runtime/vm/assembler_x64.cc
===================================================================
--- runtime/vm/assembler_x64.cc (revision 43118)
+++ runtime/vm/assembler_x64.cc (working copy)
@@ -2397,6 +2397,17 @@
EmitUint8(0xD0 | (reg & 7));
}
+
+void Assembler::bsrq(Register dst, Register src) {
+ AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+ Operand operand(src);
+ EmitOperandREX(dst, operand, REX_W);
+ EmitUint8(0x0F);
+ EmitUint8(0xBD);
+ EmitOperand(dst & 7, operand);
+}
+
+
void Assembler::btq(Register base, Register offset) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
Operand operand(base);
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