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| -rw-r--r-- | qemu_mode/README.md | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/qemu_mode/README.md b/qemu_mode/README.md index a85407e4..c88c1e41 100644 --- a/qemu_mode/README.md +++ b/qemu_mode/README.md @@ -100,7 +100,11 @@ afl-fuzz). AFL_COMPCOV_LEVEL=1 is to instrument comparisons with only immediate values / read-only memory. AFL_COMPCOV_LEVEL=2 instruments all comparison instructions and memory comparison functions when libcompcov -is preloaded. Comparison instructions are currently instrumented only +is preloaded. +AFL_COMPCOV_LEVEL=3 has the same effects of AFL_COMPCOV_LEVEL=2 but enables also +the instrumentation of the floating-point comparisons on x86 and x86_64 (experimental). + +Integer comparison instructions are currently instrumented only on the x86, x86_64 and ARM targets. Highly recommended. |