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author | Ali Saidi <Ali.Saidi@ARM.com> | 2011-05-13 17:27:01 -0500 |
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committer | Ali Saidi <Ali.Saidi@ARM.com> | 2011-05-13 17:27:01 -0500 |
commit | 401165c778108ab22aeeee55c4f4451ca93bcffb (patch) | |
tree | f525ba64108f6ebe208a04d2dee7b77621cafd96 /src/arch/arm/miscregs.hh | |
parent | e097c4fb188fafc9cd2253500ab2d056da886c9c (diff) | |
download | gem5-401165c778108ab22aeeee55c4f4451ca93bcffb.tar.xz |
ARM: Further break up condition code into NZ, C, V bits.
Break up the condition code bits into NZ, C, V registers. These are individually
written and this removes some incorrect dependencies between instructions.
Diffstat (limited to 'src/arch/arm/miscregs.hh')
-rw-r--r-- | src/arch/arm/miscregs.hh | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/src/arch/arm/miscregs.hh b/src/arch/arm/miscregs.hh index 7f16924f2..5fe762ebe 100644 --- a/src/arch/arm/miscregs.hh +++ b/src/arch/arm/miscregs.hh @@ -251,8 +251,7 @@ namespace ArmISA }; BitUnion32(CPSR) - Bitfield<31> n; - Bitfield<30> z; + Bitfield<31,30> nz; Bitfield<29> c; Bitfield<28> v; Bitfield<27> q; @@ -271,9 +270,7 @@ namespace ArmISA // This mask selects bits of the CPSR that actually go in the CondCodes // integer register to allow renaming. static const uint32_t CondCodesMask = 0xF00F0000; - static const uint32_t CondCodesMaskF = 0xF0000000; static const uint32_t CpsrMaskQ = 0x08000000; - static const uint32_t CondCodesMaskGE = 0x000F0000; BitUnion32(SCTLR) Bitfield<31> ie; // Instruction endianness |