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authorVince Weaver <vince@csl.cornell.edu>2009-10-30 14:19:06 -0400
committerVince Weaver <vince@csl.cornell.edu>2009-10-30 14:19:06 -0400
commitb2067840a6ad7e70495ad4dc6c74bf080e68133f (patch)
tree9f759489d90cf18e301f3f3c6770d9c5f52bcadf /src/arch/x86/registers.hh
parentcf269025f9e51eebb56d04fea6994fd72b1be4f9 (diff)
downloadgem5-b2067840a6ad7e70495ad4dc6c74bf080e68133f.tar.xz
X86: Implement the X86 sse2 haddpd instruction
This patch implements the haddpd instruction. It fixes the problem in the previous version (pointed out by Gabe Black) where an incorrect result would happen if you issue the instruction with the same argument twice, i.e. "haddpd %xmm0,%xmm0" This instruction is used by many spec2k benchmarks.
Diffstat (limited to 'src/arch/x86/registers.hh')
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