rename intrinsics

README.md

@@ -183,7 +183,7 @@ Current prototype features:
 - `#` comments
 - Immutable `::` bindings, typed mutable `=` locals/globals, and `_` sinks
 - Exact-width signed/unsigned integers, `f32`, `f64`, `isize`, `usize`, and loose integer-constrained `int`
-- Target-dependent atomic `c_*` primitive types, `c_func`, complete `c_struct`, `opaque`, `anyopaque`, and V1 `ptr_cast(T, ptr)`
+- Target-dependent atomic `c_*` primitive types, `c_func`, complete `c_struct`, `opaque`, `anyopaque`, and V1 `ptrcast!(T, ptr)`
 - Arrays, sentinel arrays, single-item pointers, many-item pointers, sentinel many-item pointers, slices, sentinel slices, strings, character literals, optionals, and native structs
 - String literals as immutable pointers to static zero-terminated byte arrays
 - Pointer-preserving `.ptr`/`.len`, pointer-to-array indexing and slicing, postfix pointer dereference and optional unwrap, and keyed struct literals
@@ -203,7 +203,7 @@ Current prototype features:
 - Bodyless manual and imported C variadic declarations with default argument promotions
 - Ordered linking of additional C sources, objects, archives, and libraries
 - Checked signed addition and unary negation
-- Float-only `/` plus explicit `div_trunc`, `div_floor`, `div_exact`, `div_ceil`, `rem`, and `mod` scalar builtins
+- Float-only `/` plus explicit `divtrunc!`, `divfloor!`, `divexact!`, `divceil!`, `rem!`, and `mod!` scalar intrinsics
 - Static, eager runtime, mutable runtime, and deferred problematic globals
 - Runtime diagnostics followed by `llvm.trap`