'bad register name %xmm31' when building trunk for MinGW

Marc Glisse marc.glisse@inria.fr
Fri Aug 23 22:02:00 GMT 2013


On Sat, 24 Aug 2013, niXman wrote:

> I regularly build trunk for MinGW, but this error I see for the first time.
[...]
> {standard input}: Assembler messages:
> {standard input}:76: Error: bad register name `%xmm31'
> {standard input}:77: Error: invalid register for .seh_savexmm

If this appeared very recently, it is likely related to the AVX512 merge. 
I wouldn't expect such asm to be produced without -mavx512, maybe a bad 
interaction with mingw-specific code?

-- 
Marc Glisse



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