Bug 302656

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

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 ***