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X86: Implement the MOVDDUP instruction.

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This commit is contained in:
Gabe Black 2009-08-17 18:50:29 -07:00
parent cf9634a43f
commit df1b3fdcfb
2 changed files with 17 additions and 2 deletions
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2
src/arch/x86/isa/decoder/two_byte_opcodes.isa
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@ -326,7 +326,7 @@
0x8: decode OPCODE_OP_BOTTOM3 {
0x0: Inst::MOVSD(Vq,Wq);
0x1: Inst::MOVSD(Wq,Vq);
0x2: movddup_Vo_Wq();
0x2: Inst::MOVDDUP(Vo,Wq);
default: Inst::UD2();
}
default: Inst::UD2();

17
src/arch/x86/isa/insts/simd128/floating_point/data_transfer/move_with_duplication.py
View file

@ -54,7 +54,22 @@
# Authors: Gabe Black
microcode = '''
# MOVDDUP
def macroop MOVDDUP_XMM_XMM {
movfp xmmh, xmmlm, dataSize=8
movfp xmml, xmmlm, dataSize=8
};
def macroop MOVDDUP_XMM_M {
ldfp xmml, seg, sib, disp, dataSize=8
movfp xmmh, xmml, dataSize=8
};
def macroop MOVDDUP_XMM_P {
rdip t7
ldfp xmml, seg, riprel, disp, dataSize=8
movfp xmmh, xmml, dataSize=8
};
# MOVSLDUP
# MOVSHDUP
'''