diff options
| author | 2014-11-18 23:06:35 +0000 | |
|---|---|---|
| committer | 2014-11-24 16:06:55 +0000 | |
| commit | 9aec02fc5df5518c16f1e5a9b6cb198a192db973 (patch) | |
| tree | fe924b37f395af1bb50f55ee6c87c66b727f00af /compiler/utils/x86/assembler_x86.cc | |
| parent | 20032e512c003a8f42735c4e1eca19c1472bb95e (diff) | |
[optimizing compiler] Add shifts
Added SHL, SHR, USHR for arm, x86, x86_64.
Change-Id: I971f594e270179457e6958acf1401ff7630df07e
Diffstat (limited to 'compiler/utils/x86/assembler_x86.cc')
| -rw-r--r-- | compiler/utils/x86/assembler_x86.cc | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/compiler/utils/x86/assembler_x86.cc b/compiler/utils/x86/assembler_x86.cc index afa4a3b958..a297ea3b6e 100644 --- a/compiler/utils/x86/assembler_x86.cc +++ b/compiler/utils/x86/assembler_x86.cc @@ -1126,7 +1126,8 @@ void X86Assembler::sarl(Register operand, Register shifter) { } -void X86Assembler::shld(Register dst, Register src) { +void X86Assembler::shld(Register dst, Register src, Register shifter) { + DCHECK_EQ(ECX, shifter); AssemblerBuffer::EnsureCapacity ensured(&buffer_); EmitUint8(0x0F); EmitUint8(0xA5); @@ -1134,6 +1135,15 @@ void X86Assembler::shld(Register dst, Register src) { } +void X86Assembler::shrd(Register dst, Register src, Register shifter) { + DCHECK_EQ(ECX, shifter); + AssemblerBuffer::EnsureCapacity ensured(&buffer_); + EmitUint8(0x0F); + EmitUint8(0xAD); + EmitRegisterOperand(src, dst); +} + + void X86Assembler::negl(Register reg) { AssemblerBuffer::EnsureCapacity ensured(&buffer_); EmitUint8(0xF7); |