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authorGene WU <gene.wu@arm.com>2010-08-25 19:10:42 -0500
committerGene WU <gene.wu@arm.com>2010-08-25 19:10:42 -0500
commit4d8f4db8d135a23ceb5d54d3096e0598dd31e2fe (patch)
treedfc8029938e5580810c2a6b5cede6e72cf6f0524 /src/arch/arm/isa_traits.hh
parentc2d5d2b53d1d3bfb83ce0cf0332f81c4ffea112f (diff)
downloadgem5-4d8f4db8d135a23ceb5d54d3096e0598dd31e2fe.tar.xz
ARM: Use fewer micro-ops for register update loads if possible.
Allow some loads that update the base register to use just two micro-ops. three micro-ops are only used if the destination register matches the offset register or the PC is the destination regsiter. If the PC is updated it needs to be the last micro-op otherwise O3 will mispredict.
Diffstat (limited to 'src/arch/arm/isa_traits.hh')
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