-mno-sse and -mno-sse2 broken on opteron?

[Andreas Jaeger]

Andrew Pinski <pinskia@physics.uc.edu> writes:

> On Jan 5, 2005, at 3:04 PM, Steve Kargl wrote:
>
>> gfc -c -O -pipe -mfpmath=387 -mno-sse -mno-sse2 boxmuller.f90
>> boxmuller.f90: In function 'dbox_muller_array':
>> boxmuller.f90:70: error: SSE register return with SSE disabled
>> *** Error code 1
>>
>> troutmask:kargl[127] gfc --version
>> GNU Fortran 95 (GCC 4.0.0 20050104 (experimental))
>> Copyright (C) 2004 Free Software Foundation, Inc.
>
> Is this on x86_64, if so you cannot do that.

Let's say it this way: You can only do it if your application never
uses SSE registers - and a floating point return uses SSE registers
according to the ABI,

Andreas
-- 
 Andreas Jaeger, aj@suse.de, http://www.suse.de/~aj
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