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[Compiler Bug] bmv2 checksum: not handled yet #270

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smolkaj opened this issue Jan 30, 2017 · 1 comment
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[Compiler Bug] bmv2 checksum: not handled yet #270

smolkaj opened this issue Jan 30, 2017 · 1 comment

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@smolkaj
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smolkaj commented Jan 30, 2017

After updating p4c, I see the following bug when trying to compile a P4_16 version of switch.p4:

terminate called after throwing an instance of 'Util::CompilerBug'
  what():  COMPILER BUG: ../backends/bmv2/jsonconverter.cpp:2042
/home/ubuntu/src/switch/test/../p4src/includes/checksum.p4(81): inner_cksum_2/inner_cksum = tmp_202;: not handled yet
        bit<16> inner_cksum = inner_ipv4_checksum.get({
        ^

I'm attaching checksum.p4 for reference.
mihaibudiu pushed a commit to mihaibudiu/p4c-clone that referenced this issue Feb 1, 2017
Fix for issue p4lang#270: improve on code submitted with PR p4lang#250 …
e92cff0 
…with a more principled approach
@smolkaj
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smolkaj commented Feb 1, 2017

👍 e92cff0 fixes the problem

ChrisDodd pushed a commit that referenced this issue Feb 2, 2017
@ChrisDodd
Fix for issue #270 (#271)
01b3ad1 
* Use cstring() instead of the empty cstring

* Two more improvements

* Fix for issue #270: improve on code submitted with PR #250 with a more principled approach

* Fixed some incorrect comments

* Bugfix following review comments

* Improvement suggested by review
@smolkaj smolkaj closed this as completed Feb 3, 2017
@fefer fefer mentioned this issue Aug 7, 2018
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@Ga-Correia Ga-Correia mentioned this issue May 24, 2023
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@smolkaj