From 13d10e844c7465b4f7375da6e196cd36ffd0e37d Mon Sep 17 00:00:00 2001 From: Vincentius Robby Date: Wed, 8 Aug 2007 14:18:09 -0400 Subject: alpha: Make the TLB cache to actually work. Improve MRU checking for StaticInst, Bus, TLB --HG-- extra : convert_revision : 9116b5655cd2986aeb4205438aad4a0f5a440006 --- src/cpu/static_inst.hh | 27 +++++++++++++-------------- 1 file changed, 13 insertions(+), 14 deletions(-) (limited to 'src/cpu/static_inst.hh') diff --git a/src/cpu/static_inst.hh b/src/cpu/static_inst.hh index 2e1ebd766..c4a29da59 100644 --- a/src/cpu/static_inst.hh +++ b/src/cpu/static_inst.hh @@ -597,20 +597,19 @@ StaticInst::decode(StaticInst::ExtMachInst mach_inst, Addr addr) Addr page_addr = addr & ~(TheISA::PageBytes - 1); // checks recently decoded addresses - if (recentDecodes[0].decodePage && - page_addr == recentDecodes[0].page_addr) { - if (recentDecodes[0].decodePage->decoded(mach_inst, addr)) - return recentDecodes[0].decodePage->getInst(addr); - - return searchCache(mach_inst, addr, recentDecodes[0].decodePage); - } - - if (recentDecodes[1].decodePage && - page_addr == recentDecodes[1].page_addr) { - if (recentDecodes[1].decodePage->decoded(mach_inst, addr)) - return recentDecodes[1].decodePage->getInst(addr); - - return searchCache(mach_inst, addr, recentDecodes[1].decodePage); + if (recentDecodes[0].decodePage) { + if (page_addr == recentDecodes[0].page_addr) { + if (recentDecodes[0].decodePage->decoded(mach_inst, addr)) + return recentDecodes[0].decodePage->getInst(addr); + + return searchCache(mach_inst, addr, recentDecodes[0].decodePage); + } else if (recentDecodes[1].decodePage && + page_addr == recentDecodes[1].page_addr) { + if (recentDecodes[1].decodePage->decoded(mach_inst, addr)) + return recentDecodes[1].decodePage->getInst(addr); + + return searchCache(mach_inst, addr, recentDecodes[1].decodePage); + } } // searches the page containing the address to decode -- cgit v1.2.3