changeset 33837b097d69 in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=33837b097d69
description:
X86: Decode the immediate byte opcode extension for 3dNow! instructions.
diffstat:
1 file changed, 27 insertions(+), 1 deletion(-)
src/arch/x86/isa/decoder/two_byte_opcodes.isa | 28 ++++++++++++++++++++++++-
diffs (38 lines):
diff -r f0e4e63310e5 -r 33837b097d69
src/arch/x86/isa/decoder/two_byte_opcodes.isa
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa Tue Aug 18 00:52:45
2009 -0700
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa Tue Aug 18 00:52:47
2009 -0700
@@ -292,7 +292,33 @@
0x4: Inst::UD2();
0x5: Inst::PREFETCH(Mb);
0x6: FailUnimpl::femms();
- 0x7: FailUnimpl::threednow();
+ 0x7: decode IMMEDIATE {
+ 0x0C: pi2fw_Pq_Qq();
+ 0x0D: pi2fd_Pq_Qq();
+ 0x1C: pf2iw_Pq_Qq();
+ 0x1D: pf2id_Pq_Qq();
+ 0x8A: pfnacc_Pq_Qq();
+ 0x8E: pfpnacc_Pq_Qq();
+ 0x90: pfcmpge_Pq_Qq();
+ 0x94: pfmin_Pq_Qq();
+ 0x96: pfrcp_Pq_Qq();
+ 0x97: pfrsqrt_Pq_Qq();
+ 0x9A: Inst::PFSUB(Pq,Qq);
+ 0x9E: pfadd_Pq_Qq();
+ 0xA0: pfcmpgt_Pq_Qq();
+ 0xA4: pfmax_Pq_Qq();
+ 0xA6: pfrcpit1_Pq_Qq();
+ 0xA7: pfrsqit1_Pq_Qq();
+ 0xAA: Inst::PFSUBR(Pq,Qq);
+ 0xAE: pfacc_Pq_Qq();
+ 0xB0: pfcmpeq_Pq_Qq();
+ 0xB4: Inst::PFMUL(Pq,Qq);
+ 0xB6: pfrcpit2_Pq_Qq();
+ 0xB7: Inst::PMULHRW(Pq,Qq);
+ 0xBB: pswapd_Pq_Qq();
+ 0xBF: pavgusb_Pq_Qq();
+ default: Inst::UD2();
+ }
}
format Inst{
0x02: decode LEGACY_DECODEVAL {
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