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ZJIT: Give up JIT-to-JIT calls for 6+ args (#13939)

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Takashi Kokubun 2025-07-17 12:22:26 -07:00 • committed by GitHub
parent d1f38ce4ac
commit 04d43e1870
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zjit/src/codegen.rs
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@ -291,6 +291,9 @@ fn gen_insn(cb: &mut CodeBlock, jit: &mut JITState, asm: &mut Assembler, functio
Insn::IfTrue { val, target } => return gen_if_true(jit, asm, opnd!(val), target),
Insn::IfFalse { val, target } => return gen_if_false(jit, asm, opnd!(val), target),
Insn::SendWithoutBlock { call_info, cd, state, self_val, args, .. } => gen_send_without_block(jit, asm, call_info, *cd, &function.frame_state(*state), opnd!(self_val), opnds!(args))?,
// Give up SendWithoutBlockDirect for 6+ args since asm.ccall() doesn't support it.
Insn::SendWithoutBlockDirect { call_info, cd, state, self_val, args, .. } if args.len() + 1 > C_ARG_OPNDS.len() => // +1 for self
gen_send_without_block(jit, asm, call_info, *cd, &function.frame_state(*state), opnd!(self_val), opnds!(args))?,
Insn::SendWithoutBlockDirect { cme, iseq, self_val, args, state, .. } => gen_send_without_block_direct(cb, jit, asm, *cme, *iseq, opnd!(self_val), opnds!(args), &function.frame_state(*state))?,
Insn::InvokeBuiltin { bf, args, state } => gen_invokebuiltin(asm, &function.frame_state(*state), bf, opnds!(args))?,
Insn::Return { val } => return Some(gen_return(jit, asm, opnd!(val))?),