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| author | Gabe Black <gblack@eecs.umich.edu> | 2009-08-06 21:44:41 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2009-08-06 21:44:41 -0700 |
| commit | c7b894a06f16ea4bf9d02d8dc310f80e1fae0bf6 (patch) | |
| tree | 2b1c3e15dc644391a12e91ea38bc2923fd94156b /src | |
| parent | 011c1865ad559220f2ff07db572afd93244a9b6c (diff) | |
| download | gem5-c7b894a06f16ea4bf9d02d8dc310f80e1fae0bf6.tar.xz | |
X86: Make scas compare its operands in the right order.
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/x86/isa/insts/general_purpose/string/scan_string.py | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/arch/x86/isa/insts/general_purpose/string/scan_string.py b/src/arch/x86/isa/insts/general_purpose/string/scan_string.py index 5b0e74aad..5115fe8a2 100644 --- a/src/arch/x86/isa/insts/general_purpose/string/scan_string.py +++ b/src/arch/x86/isa/insts/general_purpose/string/scan_string.py @@ -62,7 +62,7 @@ def macroop SCAS_M { mov t2, t2, t3, flags=(nCEZF,), dataSize=asz ld t1, es, [1, t0, rdi] - sub t0, t1, rax, flags=(OF, SF, ZF, AF, PF, CF) + sub t0, rax, t1, flags=(OF, SF, ZF, AF, PF, CF) add rdi, rdi, t2, dataSize=asz }; @@ -84,7 +84,7 @@ def macroop SCAS_E_M { topOfLoop: ld t1, es, [1, t0, rdi] - sub t0, t1, rax, flags=(OF, SF, ZF, AF, PF, CF) + sub t0, rax, t1, flags=(OF, SF, ZF, AF, PF, CF) subi rcx, rcx, 1, flags=(EZF,), dataSize=asz add rdi, rdi, t2, dataSize=asz @@ -105,7 +105,7 @@ def macroop SCAS_N_M { topOfLoop: ld t1, es, [1, t0, rdi] - sub t0, t1, rax, flags=(OF, SF, ZF, AF, PF, CF) + sub t0, rax, t1, flags=(OF, SF, ZF, AF, PF, CF) subi rcx, rcx, 1, flags=(EZF,), dataSize=asz add rdi, rdi, t2, dataSize=asz |