Ruby Issue Tracking System

07/24/2025

09:01 PM Ruby Revision 7e2b6291 (git): ZJIT: DRY up underscore rexport anti-pattern

Keeping the same name makes re-exporting more concise. alanwu (Alan Wu)

09:01 PM Ruby Revision 271e52d5 (git): ZJIT: Re-enable some A64 assembler tests

Tweak for Condition to build when `cfg!(target = "x86_64")`. alanwu (Alan Wu)

07/23/2025

05:29 PM Ruby Revision 41149a96 (git): ZJIT: Fix clobbering register for `self` in gen_entry_params()

Previously, for 8+ params we wound up clobbering the self param when
putting the last param in memory in the JIT entr... alanwu (Alan Wu)

07/22/2025

10:04 PM Ruby Revision 33363030 (git): ZJIT: Use rb_vm_env_write() for `hir::Insn::SetLocal`

We weren't firing write barriers before when writing to imemo/env
objects. Wbcheck caught this with test/ruby/test_re... alanwu (Alan Wu)

03:09 AM Ruby Revision e77eee96 (git): ZJIT: Load return value before frame teardown

Or else the following returns garbage since it loads after
moving SP. Prior bad disassembly:
def a(n1,n2,n3,n4,n... alanwu (Alan Wu)

07/21/2025

05:51 PM Ruby Revision 495e3f64 (git): ZJIT: Trim disassembly output from capstone-rs

It has a bad habit of leaving a trailing space, for example for ARM
`ret`. alanwu (Alan Wu)

05:51 PM Ruby Revision 3bbdcf08 (git): ZJIT: Remove no-op movs after register allocation

Previously `no_dead_mov_from_vreg` generated:
0x0: ldur x0, [x0]
0x4: mov x0, x0
0x8: ret
Because of ph... alanwu (Alan Wu)

07/18/2025

11:30 PM Ruby Revision b49ae45b (git): Remove dead post-hoc rehash check

Hash#rehash checks whether the hash is iterating, and with VWA,
RHASH_ST_TABLE() always returns the same thing for th... alanwu (Alan Wu)

07/17/2025

04:23 PM Ruby Revision d713896f (git): YJIT: Explicitly specify C ABI to fix Rust warning

Backport of 7e733ca55168e3b1f10b685f6e9a52cf1deb5aff to
fix [Bug #21514]. alanwu (Alan Wu)

02:53 PM Ruby Bug #21514 (Closed): Rust deprecation warning building ruby-3.4.5/yjit/src/codegen.rs

Fixed on `master` by commit:7e733ca55168e3b1f10b685f6e9a52cf1deb5aff
Backport: https://github.com/ruby/ruby/pull/1... alanwu (Alan Wu)