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| author | Gabe Black <gblack@eecs.umich.edu> | 2009-04-19 04:56:31 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2009-04-19 04:56:31 -0700 |
| commit | 4f2d4f466ad5f5fcb94d42bcc6e5a7549f1eab17 (patch) | |
| tree | bdcf72d9d1b768317ef9e231f9001a39ab6a458c /src/arch/x86 | |
| parent | 2394f73f908c86488341625963a792382baeff78 (diff) | |
| download | gem5-4f2d4f466ad5f5fcb94d42bcc6e5a7549f1eab17.tar.xz | |
X86: Implement a locking version of INC.
Diffstat (limited to 'src/arch/x86')
| -rw-r--r-- | src/arch/x86/isa/insts/general_purpose/arithmetic/increment_and_decrement.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/arch/x86/isa/insts/general_purpose/arithmetic/increment_and_decrement.py b/src/arch/x86/isa/insts/general_purpose/arithmetic/increment_and_decrement.py index 7afd24992..b85dc6328 100644 --- a/src/arch/x86/isa/insts/general_purpose/arithmetic/increment_and_decrement.py +++ b/src/arch/x86/isa/insts/general_purpose/arithmetic/increment_and_decrement.py @@ -74,6 +74,21 @@ def macroop INC_P st t1, seg, riprel, disp }; +def macroop INC_LOCKED_M +{ + ldstl t1, seg, sib, disp + addi t1, t1, 1, flags=(OF, SF, ZF, AF, PF) + stul t1, seg, sib, disp +}; + +def macroop INC_LOCKED_P +{ + rdip t7 + ldstl t1, seg, riprel, disp + addi t1, t1, 1, flags=(OF, SF, ZF, AF, PF) + stul t1, seg, riprel, disp +}; + def macroop DEC_R { subi reg, reg, 1, flags=(OF, SF, ZF, AF, PF) |