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Unified Diff: runtime/vm/assembler_ia32.cc

Issue 11085004: Faster 64-bit left-shift for ia32. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: removed unnecessary changes from assembler Created 8 years, 2 months ago
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Index: runtime/vm/assembler_ia32.cc
===================================================================
--- runtime/vm/assembler_ia32.cc (revision 13352)
+++ runtime/vm/assembler_ia32.cc (working copy)
@@ -1224,6 +1224,11 @@
}
+void Assembler::shll(const Address& operand, Register shifter) {
+ EmitGenericShift(4, Operand(operand), shifter);
srdjan 2012/10/09 00:43:45 Please add tests for both new instructions.
Florian Schneider 2012/10/09 11:23:57 Done.
+}
+
+
void Assembler::shrl(Register reg, const Immediate& imm) {
EmitGenericShift(5, reg, imm);
}
@@ -1257,6 +1262,13 @@
}
+void Assembler::shld(const Address& operand, Register src) {
+ AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+ EmitUint8(0x0F);
+ EmitUint8(0xA5);
+ EmitOperand(src, Operand(operand));
+}
+
void Assembler::shrd(Register dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
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