[Mono-bugs] [Bug 515050] New: [Regression] cross-compiling failed at genmdesc.pl with 'Invalid opcode addps'

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http://bugzilla.novell.com/show_bug.cgi?id=515050


           Summary: [Regression] cross-compiling failed at genmdesc.pl
                    with 'Invalid opcode addps'
    Classification: Mono
           Product: Mono: Runtime
           Version: 2.4.x
          Platform: x86-64
        OS/Version: Linux
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: misc
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: htl10 at users.sourceforge.net
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---


User-Agent:       Mozilla/5.0 (X11; U; Linux x86_64; en-GB; rv:1.9.1b4)
Gecko/20090427 Fedora/3.5-0.20.beta4.fc11 Firefox/3.5b4

I have cross-compiling to win32 mono 2.4.0 (and svn later) working on x86_64
linux a month of two ago; with 2.4.2p2, there is a small change: it fails with:

$ perl ../../../mono/mini/genmdesc.pl __i386__ ../../../mono/mini ../../..
/mono/mini/cpu-x86.md cpu-x86.h x86_desc
Invalid opcode addps at line 410
make: *** [cpu-x86.h] Error 25

I can work around this problem by running the newly cross-compiled win32 PE
genmdesc.exe in wine to generate the x86_desc . genmdesc.pl seems to be a newly
introduced replacement in 2.4.2 to the win32 PE genmdesc.exe (or native linux
genmdesc), which isn't used. I did 2.4.0 by running that step in wine, and can
make 2.4.2 continue by doing that in 2.4.2 as well.  

Reproducible: Always

Steps to Reproduce:
1. try cross-compiling on a linux machine that could cross-compile 2.4.0/2.2.0
.
2. 
3.
Actual Results:  
$perl ../../../mono/mini/genmdesc.pl __i386__ ../../../mono/mini
./../../mono/mini/cpu-x86.md cpu-x86.h x86_desc
Invalid opcode addps at line 410
make: *** [cpu-x86.h] Error 25


Expected Results:  
compilation continues.

Executing:
   wine genmdesc.exe ../../.. /mono/mini/cpu-x86.md cpu-x86.h x86_desc
(the win32 PE exe newly cross-compiled) work around this problem.

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