v1.2.4.17

What's Changed

Breaking Changes 🛠

• Remove ReferenceMap from majority of midend passes by @asl in #4936
• Remove reference map from another set of midend passes by @asl in #4939

P4 Specification Implementation

• Support for [lsb+:width] slices by @ChrisDodd in #4917

Changes to the Compiler Core

• Fix parser symbolic interpreter to evaluate StringLiteral by @jhavrane in #4937
• Add Vector::dbprint by @vlstill in #4943
• extend type checking to mark extern function call that returns enum a… by @hanw in #4941
• Reorder subdirectory additions in CMakeLists.txt by @hanw in #4938
• Add LOGGING_FEATURE macro by @vlstill in #4953
• Add utilities for running modifications inside nested IR nodes by @vlstill in #4940
• set PathExpression type in ExpandLookahead by @grg in #4959
• Do not print confusing warning when a parser state contains an assignment to an l-value slice by @kfcripps in #4948
• Minor code/comments cleanup in SimplifyDefUse by @kfcripps in #4963
• wrap <64bit types properly in loop unrolling by @ChrisDodd in #4967
• Fix warning about delete not matching new by @ChrisDodd in #4989

Changes to the BMv2 Back Ends

• Clean up BMv2's run-stf-test script and integrate it with testutils by @fruffy in #4981

Changes to the TC Back End

• Change tc template define by @vbnogueira in #4949
• Make number of masks default to 1 for exact tables by @vbnogueira in #4954
• Handle pna_main_parser_input_metadata_t fields in the tc backend's parser by @vbnogueira in #4955
• P4TC - Implementation of Hash Extern by @komaljai in #4980

Changes to the DPDK Back End

• Support for 128 bit bitwise operation by @Sosutha in #4952

Changes to the P4Tools Back End

• [P4Testgen] Move newline stripping from trace to TestFramework by @vlstill in #4946
• [P4Testgen] Run typechecking after front and mid end. by @fruffy in #4834
• Build Z3 from source instead of downloading precompiled binaries. by @fruffy in #4697

Other Changes

• Ignore brew dependency installation to fix breakages on MacOS CI. by @fruffy in #4950
• Remove ReferenceMap from top-level frontend passes by @asl in #4947
• Add instructions on Github CI tests, including triggering optional ones by @jafingerhut in #4956
• Fix a recently introduced typo by @jafingerhut in #4960
• Fix Fedora CI build. by @fruffy in #4957
• Add a couple of missing ENABLE_* flags to README by @jafingerhut in #4968
• bump up grpcio version to fix mac m1 ci issue by @hanw in #4976
• Require the driver binary as a test input. by @fruffy in #4977
• [P4fmt]: attaching comments to IR Nodes by @snapdgn in #4845
• Contributing Intel Tofino compiler backend to p4c by @hanw in #4964
• Remove Tofino-specific Python packages from requirements.txt by @fruffy in #4984
• Fix Fedora build and fix CMake warnings on versions greater than CMake 3.24. by @fruffy in #4986
• Fix case of default CMake build mode. by @fruffy in #4993
• Automated Release v1.2.4.17 by @github-actions in #4990

Full Changelog: v1.2.4.16...v1.2.4.17