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src/arch/x86/isa/insts/x87/control/save_and_restore_x87_environment.py <http://reviews.gem5.org/r/1917/#comment4203> Why do we need these eret instructions? - Nilay Vaish On June 13, 2013, 4:24 a.m., Andreas Sandberg wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > http://reviews.gem5.org/r/1917/ > ----------------------------------------------------------- > > (Updated June 13, 2013, 4:24 a.m.) > > > Review request for Default and Gabe Black. > > > Repository: gem5 > > > Description > ------- > > Changeset 9760:f7df7b862186 > --------------------------- > x86: Add support for FLDENV & FNSTENV > > > Diffs > ----- > > src/arch/x86/isa/microasm.isa 9df73385c878 > src/arch/x86/isa/insts/x87/control/save_and_restore_x87_environment.py > 9df73385c878 > src/arch/x86/isa/decoder/x87.isa 9df73385c878 > > Diff: http://reviews.gem5.org/r/1917/diff/ > > > Testing > ------- > > Quick regressions pass. Minor stat differences in full regressions (to be > expected since some instructions aren't no-ops anymore). Solves a bug > triggered by switching between a simulated CPU that tries to save the x87 > state and a virtualized CPU that restores the state (which is completely > bogus unless FNSTENV is implemented). > > > Thanks, > > Andreas Sandberg > > _______________________________________________ gem5-dev mailing list [email protected] http://m5sim.org/mailman/listinfo/gem5-dev
