Bug 302656

Summary: Unhandled instruction (vcvtsi2ssq)
Product: [Developer tools] valgrind Reporter: pazaconyoman
Component: memcheckAssignee: Julian Seward <jseward>
Status: RESOLVED DUPLICATE    
Severity: normal CC: tom
Priority: NOR    
Version: 3.7.0   
Target Milestone: ---   
Platform: Debian unstable   
OS: Linux   
Latest Commit: Version Fixed In:

Description pazaconyoman 2012-06-27 18:31:37 UTC
Valgrind gives
==5554== vex amd64->IR: unhandled instruction bytes: 0xC4 0xE1 0xFA 0x2A 0x7 0x48 0x83 0xC4

objdump -d gives
41fec0:       c4 e1 fa 2a 07          vcvtsi2ssq (%rdi),%xmm0,%xmm0

Reproducible: Always

Steps to Reproduce:
To reproduce, I compile my program with g++ -O3
Comment 1 Tom Hughes 2012-06-27 19:33:13 UTC
Please try with svn - that is an AVX instruction so will not be supported in 3.7.0 but probably is in the svn code.
Comment 2 pazaconyoman 2012-06-27 22:37:09 UTC
Thank you. The error does not appear under valgrind-3.8.0.SVN.
Comment 3 Tom Hughes 2012-06-27 23:56:47 UTC

*** This bug has been marked as a duplicate of bug 273475 ***