[llvm-commits] [llvm] r80930 - in /llvm/trunk/lib/Target/X86: X86ISelLowering.cpp X86Instr64bit.td X86InstrInfo.td

[Dan Gohman]

On Sep 3, 2009, at 11:28 AM, Duncan Sands wrote:



> Hi Dan,
>
>
>
>> Add a -disable-16bit flag and associated support for experimenting  
>> with
>>
>>
>> disabling the use of 16-bit operations on x86. This doesn't yet  
>> work for
>>
>>
>> inline asms with 16-bit constraints, vectors with 16-bit elements,
>>
>>
>> trampoline code, and perhaps other obscurities, but it's enough to  
>> try
>>
>>
>> some experiments.
>>
>>
>
> not sure why you mention trampoline code here?

All I know is that one of test failures happened to be in the vicinity
of a trampoline setup, and there was nothing else suspicious around.
If -disable-16bit is worth pursuing, I'll do more testing and figure
out what's really going on there.

Dan