Bug 405362

Summary:	PPC64, vmsummbm instruction doesn't handle overflow case correctly
Product:	[Developer tools] valgrind	Reporter:	Carl Love <cel>
Component:	vex	Assignee:	Julian Seward <jseward>
Status:	CLOSED FIXED
Severity:	normal
Priority:	NOR
Version First Reported In:	3.15 SVN
Target Milestone:	---
Platform:	Other
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:
Attachments:	fix for vmsummbm instruction

Description Carl Love 2019-03-11 19:06:52 UTC

The vmsummbm instruction needs to chop the results to 32-bits.  Currently implementation is not doing this correctly.  The result is errors in the adjacent 32-bit fields.

Comment 1 Carl Love 2019-03-22 17:20:41 UTC

Created attachment 118972 [details]
fix for vmsummbm instruction

The attached patch fixes the issue.

Comment 2 Carl Love 2019-03-25 14:49:28 UTC

No regressions found by automated regression testing.  Closing.