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Compiler Bug: Function inlining fails when return value is used as array index in action argument

coreTopics concerning the core segments of the compiler (frontend, midend, parser)Topics concerning the core segments of the compiler (frontend, midend, parser)

Status: Open.

Bug

#5549 In p4lang/p4c;

· eyg1331 opened on Mar 18, 2026

gcc command line option for 'bmi' only exists for x86 processor architectures

infrastructureTopics related to code style and build and test infrastructure.Topics related to code style and build and test infrastructure.

Status: Open.

#5548 In p4lang/p4c;

· jafingerhut opened on Mar 18, 2026

p4testgen attempting to add table entries to keyless tables, perhaps because they have one or more key fields with match_kind selector

p4toolsTopics related to the P4Tools back endTopics related to the P4Tools back end

Status: Open.

Bug

#5538 In p4lang/p4c;

· jafingerhut opened on Mar 16, 2026

custom-type-restricted-fields.p4 is invalid for BMv2

p4toolsTopics related to the P4Tools back endTopics related to the P4Tools back end

Status: Open.

#5535 In p4lang/p4c;

· pacokwon opened on Mar 13, 2026

Implicitly casting int to an enum in mask operations should be disallowed

Status: Open.

#5532 In p4lang/p4c;

· shyukahn opened on Mar 12, 2026

ctags build target does not work

infrastructureTopics related to code style and build and test infrastructure.Topics related to code style and build and test infrastructure.

Status: Open.

Bug

#5530 In p4lang/p4c;

· jafingerhut opened on Mar 11, 2026

Are mask expressions allowed for table keys of match kind exact?

Status: Open.

Bug

#5529 In p4lang/p4c;

· shyukahn opened on Mar 11, 2026

Equality comparisons should be disallowed for variable types

p4-specTopics related to the P4 specification (https://github.com/p4lang/p4-spec/).Topics related to the P4 specification (https://github.com/p4lang/p4-spec/).

Status: Open.

#5528 In p4lang/p4c;

· shyukahn opened on Mar 11, 2026

Explicit self-casts to struct types should not be rejected

p4-specTopics related to the P4 specification (https://github.com/p4lang/p4-spec/).Topics related to the P4 specification (https://github.com/p4lang/p4-spec/).

Status: Open.

#5527 In p4lang/p4c;

· shyukahn opened on Mar 11, 2026

Subparser parameters are not copied out on transition to reject state

coreTopics concerning the core segments of the compiler (frontend, midend, parser)Topics concerning the core segments of the compiler (frontend, midend, parser)

Status: Open.

Bug

#5524 In p4lang/p4c;

· pacokwon opened on Mar 11, 2026

Compiler Bug when {#} literal is used as an argument to table action

coreTopics concerning the core segments of the compiler (frontend, midend, parser)Topics concerning the core segments of the compiler (frontend, midend, parser)

Status: Open.

Bug

#5494 In p4lang/p4c;

· kfcripps opened on Feb 23, 2026

P4Smith doesn't generate statement types with control flow

p4toolsTopics related to the P4Tools back endTopics related to the P4Tools back end

Status: Open.

Feature

#5490 In p4lang/p4c;

· eyg1331 opened on Feb 21, 2026