Displaying 2 results from an estimated 2 matches for "addu16_mm".
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2014 Nov 03
2
[LLVMdev] Mips's MicroMips ??
...c
Cc: llvmdev at cs.uiuc.edu
Subject: RE: Mips's MicroMips ??
Hi,
I've had a quick look through MipsDisassembler.cpp and it seems that the disassembler doesn't know anything about 16-bit instructions at the moment. The two main problems are that DecoderTableMicroMips16 (which contains ADDU16_MM) is never used, and the disassembler always reads the opcode as a 4-byte value.
Vladimir/Sasa/Jozef/Zoran: I don't know much about the microMIPS encodings at the moment. Do you have the details on distinguishing 16-bit from 32-bit instructions?
________________________________
From: Jun Koi [j...
2014 Oct 29
2
[LLVMdev] Mips's MicroMips ??
Hi,
We have this line in micromips-16-bit-instructions.s
# CHECK-EB: addu16 $6, $17, $4 # encoding: [0x07,0x42]
However, when I check this with llvm-mc, like below, I dont get back the
assembly.
This is against the latest LLVM code. What is wrong here?
Thanks,
Jun
$ echo "0x07,0x42"|./Release+Asserts/bin/llvm-mc -disassemble -triple=mips
-show-encoding -mattr=micromips