diff options
Diffstat (limited to 'yjit/src/asm/arm64/mod.rs')
| -rw-r--r-- | yjit/src/asm/arm64/mod.rs | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/yjit/src/asm/arm64/mod.rs b/yjit/src/asm/arm64/mod.rs index a6aa8ffcbb..b73b3125e2 100644 --- a/yjit/src/asm/arm64/mod.rs +++ b/yjit/src/asm/arm64/mod.rs @@ -203,9 +203,10 @@ pub fn b(cb: &mut CodeBlock, imm26: A64Opnd) { cb.write_bytes(&bytes); } -/// Whether or not the offset between two instructions fits into the b.cond -/// instruction. If it doesn't, then we have to load the value into a register -/// first, then use the b.cond instruction to skip past a direct jump. +/// Whether or not the offset in number of instructions between two instructions +/// fits into the b.cond instruction. If it doesn't, then we have to load the +/// value into a register first, then use the b.cond instruction to skip past a +/// direct jump. pub const fn bcond_offset_fits_bits(offset: i64) -> bool { imm_fits_bits(offset, 21) && (offset & 0b11 == 0) } @@ -216,7 +217,7 @@ pub fn bcond(cb: &mut CodeBlock, cond: u8, byte_offset: A64Opnd) { A64Opnd::Imm(imm) => { assert!(bcond_offset_fits_bits(imm), "The immediate operand must be 21 bits or less and be aligned to a 2-bit boundary."); - BranchCond::bcond(cond, imm as i32).into() + BranchCond::bcond(cond, (imm / 4) as i32).into() }, _ => panic!("Invalid operand combination to bcond instruction."), }; |