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| author | Takashi Kokubun <takashikkbn@gmail.com> | 2022-08-29 18:05:06 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-08-29 21:05:06 -0400 |
| commit | ddca3482ef53911ce732c91e715d0439d3b47514 (patch) | |
| tree | 65aaf46c6fb002a9db53aa27f1e3b46307ede672 | |
| parent | 737402e9383332d028c1c2f26a3f1a2cd78fab0d (diff) | |
Check only symbol flag bits (#6301)
* Check only symbol flag bits
* Check all 4 bits
Notes
Notes:
Merged-By: maximecb <maximecb@ruby-lang.org>
| -rw-r--r-- | yjit/src/codegen.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/yjit/src/codegen.rs b/yjit/src/codegen.rs index 07e8500f62..744495eb29 100644 --- a/yjit/src/codegen.rs +++ b/yjit/src/codegen.rs @@ -3454,7 +3454,8 @@ fn jit_guard_known_klass( asm.comment("guard object is static symbol"); assert!(RUBY_SPECIAL_SHIFT == 8); - asm.cmp(obj_opnd, Opnd::UImm(RUBY_SYMBOL_FLAG as u64)); + let flag_bits = asm.and(obj_opnd, Opnd::UImm(0xf)); + asm.cmp(flag_bits, Opnd::UImm(RUBY_SYMBOL_FLAG as u64)); jit_chain_guard(JCC_JNE, jit, ctx, asm, ocb, max_chain_depth, side_exit); ctx.upgrade_opnd_type(insn_opnd, Type::ImmSymbol); } |