https://git.ruby-lang.org/ruby.git/commit/?id=1cf9f56c55

From 1cf9f56c55b1a771217678843c9546e368db0af3 Mon Sep 17 00:00:00 2001
From: Maxime Chevalier-Boisvert <maximechevalierb@g...>
Date: Wed, 17 Aug 2022 12:23:59 -0400
Subject: Fix issue with expandarray, add missing jl, enable tests
 (https://github.com/Shopify/ruby/pull/409)

---
 yjit/src/backend/arm64/mod.rs  | 3 +++
 yjit/src/backend/ir.rs         | 2 ++
 yjit/src/backend/x86_64/mod.rs | 8 ++++++++
 yjit/src/codegen.rs            | 2 +-
 4 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/yjit/src/backend/arm64/mod.rs b/yjit/src/backend/arm64/mod.rs
index 64136bfdd2..d92b4778e3 100644
--- a/yjit/src/backend/arm64/mod.rs
+++ b/yjit/src/backend/arm64/mod.rs
@@ -826,6 +826,9 @@ impl Assembler https://github.com/ruby/ruby/blob/trunk/yjit/src/backend/arm64/mod.rs#L826
                 Op::Jne => {
                     emit_conditional_jump::<{Condition::NE}>(cb, insn.target.unwrap());
                 },
+                Op::Jl => {
+                    emit_conditional_jump::<{Condition::LT}>(cb, insn.target.unwrap());
+                },
                 Op::Jbe => {
                     emit_conditional_jump::<{Condition::LS}>(cb, insn.target.unwrap());
                 },
diff --git a/yjit/src/backend/ir.rs b/yjit/src/backend/ir.rs
index ef8cd5e872..952c8f7f10 100644
--- a/yjit/src/backend/ir.rs
+++ b/yjit/src/backend/ir.rs
@@ -118,6 +118,7 @@ pub enum Op https://github.com/ruby/ruby/blob/trunk/yjit/src/backend/ir.rs#L118
     JmpOpnd,
 
     // Low-level conditional jump instructions
+    Jl,
     Jbe,
     Je,
     Jne,
@@ -988,6 +989,7 @@ def_push_1_opnd_no_out!(jmp_opnd, Op::JmpOpnd); https://github.com/ruby/ruby/blob/trunk/yjit/src/backend/ir.rs#L989
 def_push_jcc!(jmp, Op::Jmp);
 def_push_jcc!(je, Op::Je);
 def_push_jcc!(jne, Op::Jne);
+def_push_jcc!(jl, Op::Jl);
 def_push_jcc!(jbe, Op::Jbe);
 def_push_jcc!(jz, Op::Jz);
 def_push_jcc!(jnz, Op::Jnz);
diff --git a/yjit/src/backend/x86_64/mod.rs b/yjit/src/backend/x86_64/mod.rs
index d474c9fe59..1ec08dd787 100644
--- a/yjit/src/backend/x86_64/mod.rs
+++ b/yjit/src/backend/x86_64/mod.rs
@@ -465,6 +465,14 @@ impl Assembler https://github.com/ruby/ruby/blob/trunk/yjit/src/backend/x86_64/mod.rs#L465
                     }
                 }
 
+                Op::Jl => {
+                    match insn.target.unwrap() {
+                        Target::CodePtr(code_ptr) => jl_ptr(cb, code_ptr),
+                        Target::Label(label_idx) => jl_label(cb, label_idx),
+                        _ => unreachable!()
+                    }
+                },
+
                 Op::Jbe => {
                     match insn.target.unwrap() {
                         Target::CodePtr(code_ptr) => jbe_ptr(cb, code_ptr),
diff --git a/yjit/src/codegen.rs b/yjit/src/codegen.rs
index ed11f7cf0f..2e202ce2d0 100644
--- a/yjit/src/codegen.rs
+++ b/yjit/src/codegen.rs
@@ -1445,7 +1445,7 @@ fn gen_expandarray( https://github.com/ruby/ruby/blob/trunk/yjit/src/codegen.rs#L1445
     // Only handle the case where the number of values in the array is greater
     // than or equal to the number of values requested.
     asm.cmp(array_len_opnd, num.into());
-    asm.jo(counted_exit!(ocb, side_exit, expandarray_rhs_too_small).into());
+    asm.jl(counted_exit!(ocb, side_exit, expandarray_rhs_too_small).into());
 
     // Load the address of the embedded array into REG1.
     // (struct RArray *)(obj)->as.ary
-- 
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