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authorNathanael Premillieu <nathanael.premillieu@arm.com>2017-04-05 12:46:06 -0500
committerAndreas Sandberg <andreas.sandberg@arm.com>2017-07-05 14:43:49 +0000
commit43d833246fcfe092a0c08dde1fdf7e3d409d1af9 (patch)
tree650b39da3cb6e6ee0b8692032f56cc4d975a548b /src/arch/arm/insts/misc.cc
parent5e8287d2e2eaf058495442ea9e32fafc343a0b53 (diff)
downloadgem5-43d833246fcfe092a0c08dde1fdf7e3d409d1af9.tar.xz
cpu: Physical register structural + flat indexing
Mimic the changes done on the architectural register indexes on the physical register indexes. This is specific to the O3 model. The structure, called PhysRegId, contains a register class, a register index and a flat register index. The flat register index is kept because it is useful in some cases where the type of register is not important (dependency graph and scoreboard for example). Instead of directly using the structure, most of the code is working with a const PhysRegId* (typedef to PhysRegIdPtr). The actual PhysRegId objects are stored in the regFile. Change-Id: Ic879a3cc608aa2f34e2168280faac1846de77667 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/2701 Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
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