Patch Queue

For works in the past, see Patches Processed.

Intended for Binutils 2.42 / GDB 15

Approved but Pending for Other Reasons

• Extension: Multiple extensions from RISC-V Profiles (Platform property/capability portion)

Submitted

• ISA: ratified RV32E and RV64E (GDB Part)
• Extension: Version of Zfa
• Extension: Complex implications (such like C + F or D)
• Extension: Zicntr and Zihpm (Hardware Performance Counters)
• Extension: Zce (Compressed instruction superset for embedded systems)
• Extension: Zacas (Atomic CAS)
• Extension: Smcsrind and Sscsrind (Indirect CSR Access)
• Disassembler: Core reorganization for Optimization (Batch 1)
• Disassembler: Add overridable priv-spec and arch options
• Disassembler: Core Optimization 1-1 (Hash table and Caching)
• Disassembler: Core Optimization 1-2 (Mapping symbols)
• Disassembler: Support special (non-standard) encodings (widening FP ops)
• RISC-V: Test refinements (Batch 1)
• RISC-V: Add INSN_DREF to memory read/write instructions
• GAS: Add OP_P to .insn directive
• Cleaning: Opcode Tidying (Batch 1)
• Cleaning: Logic for State Enable extensions (remaining: 1 of 2)
• Linker: Preparation for more generic linker relaxation (Batch 1)
• Linker: Strict relocation handling
• Fix: Minor improvements to mapping symbol handling with dot suffix

Submitted (may withdraw or redesign significantly)

• RISC-V: Zfinx-related fixes (2)
• RISC-V: Implement common register pair framework
• RISC-V: Implement extension variants
• Clang: Suppress warnings if built with Clang (sim and gdb, big batch 1)

Queued

• Waiting for Some Prerequisites: Disassembler: Implement "generic subsets"
• Waiting for Some Prerequisites: Disassembler: RV32E / RV64E support
• Cleaning: BFD Tidying (Batch 1)
• Extension: Zabha (Subword AMOs)

Proposed

• Waiting for Some Prerequisites: Disassembler: Print data using .dword on RV64
• Disassembler: Check shift amount against XLEN (Idea 2)

Unratified (wait to be frozen)

• Draft Extension: Zicfiss and Zicfilp (Control Flow Integrity)
• Draft Extension: Zimop and Zcmop ("May Be Ops")
• Draft Extension: Zfbfmin, Zvfbfmin and Zvfbfwma (BFloat16)
• Draft Extension: Ssnjpm, Smnjpm and Smmjpm (Pointer masking)
• Draft Extension: Smcdeleg and Ssccfg (Supervisor Counter Delegation)
• Draft Extension: Smclic and other CLIC extensions (Core Local Interrupt Controller)
• Draft Extension: Smrnmi (Resumable NMI)
• Draft Extension: Sspmp (SPMP - Supervisor-mode PMP)
• Draft Extension: Ssqosid (Capacity and Bandwidth Controller QoS Register Interface)

Unratified (and to be changed significantly)

• Draft Extension: P (Packed SIMD)