Bug 45841 - x86 codegen produces wrong result for float operation
Summary: x86 codegen produces wrong result for float operation
Alias: None
Product: Runtime
Classification: Mono
Component: JIT ()
Version: 4.8.0 (C9)
Hardware: PC Mac OS
: --- major
Target Milestone: ---
Assignee: Zoltan Varga
Depends on:
Reported: 2016-10-24 15:51 UTC by Marek Safar
Modified: 2016-10-24 20:45 UTC (History)
2 users (show)

Is this bug a regression?: ---
Last known good build:

test (3.00 KB, application/x-msdownload)
2016-10-24 15:51 UTC, Marek Safar

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Description Marek Safar 2016-10-24 15:51:23 UTC
Created attachment 18194 [details]

This is codegen specific issue happening on x86 (32 bits) only with very specific IL code (single change makes the issue go away).

Run enclosed .exe on 32 bit and you get


where expected is

Comment 1 Zoltan Varga 2016-10-24 20:45:33 UTC
Fixed in master. Thanks for the testcase.