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Use vec.push instead of .insert for vmctx arg

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This commit is contained in:
Syrus 2019-02-12 11:17:09 -08:00
parent b7c3cc09d1
commit b6416068a8
1 changed files with 3 additions and 3 deletions
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6
lib/clif-backend/src/func_env.rs
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@ -459,8 +459,8 @@ impl<'env, 'module, 'isa> FuncEnvironment for FuncEnv<'env, 'module, 'isa> {
// Build a value list for the indirect call instruction containing the call_args // Build a value list for the indirect call instruction containing the call_args
// and the vmctx parameter. // and the vmctx parameter.
let mut args = Vec::with_capacity(call_args.len() + 1); let mut args = Vec::with_capacity(call_args.len() + 1);
args.push(vmctx_ptr);
args.extend(call_args.iter().cloned()); args.extend(call_args.iter().cloned());
args.insert(0, vmctx_ptr);
Ok(pos.ins().call_indirect(sig_ref, func_ptr, &args)) Ok(pos.ins().call_indirect(sig_ref, func_ptr, &args))
} }
@ -485,8 +485,8 @@ impl<'env, 'module, 'isa> FuncEnvironment for FuncEnv<'env, 'module, 'isa> {
.expect("missing vmctx parameter"); .expect("missing vmctx parameter");
let mut args = Vec::with_capacity(call_args.len() + 1); let mut args = Vec::with_capacity(call_args.len() + 1);
args.push(vmctx);
args.extend(call_args.iter().cloned()); args.extend(call_args.iter().cloned());
args.insert(0, vmctx);
Ok(pos.ins().call(callee, &args)) Ok(pos.ins().call(callee, &args))
} }
@ -532,8 +532,8 @@ impl<'env, 'module, 'isa> FuncEnvironment for FuncEnv<'env, 'module, 'isa> {
let sig_ref = pos.func.dfg.ext_funcs[callee].signature; let sig_ref = pos.func.dfg.ext_funcs[callee].signature;
let mut args = Vec::with_capacity(call_args.len() + 1); let mut args = Vec::with_capacity(call_args.len() + 1);
args.push(imported_vmctx_addr);
args.extend(call_args.iter().cloned()); args.extend(call_args.iter().cloned());
args.insert(0, imported_vmctx_addr);
Ok(pos Ok(pos
.ins() .ins()