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Diffstat (limited to 'results/classifier/gemma3:27b/instruction/1925512')
| -rw-r--r-- | results/classifier/gemma3:27b/instruction/1925512 | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/results/classifier/gemma3:27b/instruction/1925512 b/results/classifier/gemma3:27b/instruction/1925512 new file mode 100644 index 00000000..a847cd79 --- /dev/null +++ b/results/classifier/gemma3:27b/instruction/1925512 @@ -0,0 +1,21 @@ + + + +UNDEFINED case for instruction BLX + +Hi + +I refer to the instruction BLX imm (T2 encoding) in ARMv7 (Thumb mode). + +11110 S imm10H 11 J1 0 J2 imm10L H + + +if H == '1' then UNDEFINED; +I1 = NOT(J1 EOR S); I2 = NOT(J2 EOR S); imm32 = SignExtend(S:I1:I2:imm10H:imm10L:'00', 32); +targetInstrSet = InstrSet_A32; +if InITBlock() && !LastInITBlock() then UNPREDICTABLE; + +According to the manual, if H equals to 1, this instruction should be an UNDEFINED instruction. However, it seems QEMU does not check this constraint in function trans_BLX_i. Thanks + +Regards +Muhui \ No newline at end of file |