s.nospill |= regMask(1) << r
		}
		s.usedSinceBlockStart |= regMask(1) << r
		return s.regs[r].c
	}

	var r register
	// If nospill is set, the value is used immediately, so it can live on the WebAssembly stack.
	onWasmStack := nospill && s.f.Config.ctxt.Arch.Arch == sys.ArchWasm
	if !onWasmStack {
		// Allocate a register.
		r = s.allocReg(mask, v)
	}

	// Allocate v to the new register.
	var c *Value

}

// WasmImportSym returns the auxiliary WebAssembly import symbol associated with
// a given function symbol. The aux sym only exists for Go function stubs that
// have been annotated with the //go:wasmimport directive.  The aux sym
// contains the information necessary for the linker to add a WebAssembly
// import statement.
// (https://webassembly.github.io/spec/core/syntax/modules.html#imports)

	// 48 bits because this uses too much address space for older
	// iOS versions.
	// TODO(mknyszek): Once iOS <14 is deprecated, promote ios/arm64
	// to a 48-bit address space like every other arm64 platform.
	//
	// WebAssembly currently has a limit of 4GB linear memory.
	heapAddrBits = (_64bit*(1-goarch.IsWasm)*(1-goos.IsIos*goarch.IsArm64))*48 + (1-_64bit+goarch.IsWasm)*(32-(goarch.IsMips+goarch.IsMipsle)) + 40*goos.IsIos*goarch.IsArm64