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| author | serpilliere <fabrice.desclaux@cea.fr> | 2016-09-11 00:13:30 +0200 |
|---|---|---|
| committer | Fabrice Desclaux <fabrice.desclaux@cea.fr> | 2016-09-12 10:28:48 +0200 |
| commit | 9164b599b87d43d64e056726038bc99a69bbf40d (patch) | |
| tree | 2eb0c856899d4feb16ccbaf86c58805ddd7fd059 /miasm2/jitter | |
| parent | 25da9186cd3240a6d9f38b692d3a1e0c6589eead (diff) | |
| download | miasm-9164b599b87d43d64e056726038bc99a69bbf40d.tar.gz miasm-9164b599b87d43d64e056726038bc99a69bbf40d.zip | |
Arm: add clz/uxtab
Diffstat (limited to '')
| -rw-r--r-- | miasm2/jitter/arch/JitCore_arm.c | 11 | ||||
| -rw-r--r-- | miasm2/jitter/arch/JitCore_arm.h | 2 |
2 files changed, 13 insertions, 0 deletions
diff --git a/miasm2/jitter/arch/JitCore_arm.c b/miasm2/jitter/arch/JitCore_arm.c index a7ed67d0..0d7caeec 100644 --- a/miasm2/jitter/arch/JitCore_arm.c +++ b/miasm2/jitter/arch/JitCore_arm.c @@ -201,6 +201,17 @@ void MEM_WRITE_64(JitCpu* jitcpu, uint64_t addr, uint64_t src) } +uint32_t clz(uint32_t arg) +{ + + int i; + + for (i=0; i<32; i++) { + if (arg & (1 << (31-i))) + break; + } + return i; +} diff --git a/miasm2/jitter/arch/JitCore_arm.h b/miasm2/jitter/arch/JitCore_arm.h index 9fde5e93..dda8a65d 100644 --- a/miasm2/jitter/arch/JitCore_arm.h +++ b/miasm2/jitter/arch/JitCore_arm.h @@ -32,3 +32,5 @@ typedef struct { void dump_gpregs(vm_cpu_t* vmcpu); #define RETURN_PC return BlockDst; + +uint32_t clz(uint32_t arg); |