File stale path references.

After rearranging the directory layout, some paths in documentation
needed updating.

Fix some typos too.

lib/cretonne/meta/build.py

@@ -1,6 +1,6 @@
 # Second-level build script.
 #
-# This script is run from src/libcretonne/build.rs to generate Rust files.
+# This script is run from lib/cretonne/build.rs to generate Rust files.
 
 from __future__ import absolute_import
 import argparse

lib/cretonne/meta/gen_build_deps.py

@@ -1,7 +1,7 @@
 """
 Generate build dependencies for Cargo.
 
-The `build.py` script is invoked by cargo when building libcretonne to
+The `build.py` script is invoked by cargo when building lib/cretonne to
 generate Rust code from the instruction descriptions. Cargo needs to know when
 it is necessary to rerun the build script.
 

lib/cretonne/meta/gen_types.py

@@ -2,7 +2,7 @@
 Generate sources with type info.
 
 This generates a `types.rs` file which is included in
-`libcretonne/ir/types/rs`. The file provides constant definitions for the most
+`lib/cretonne/ir/types.rs`. The file provides constant definitions for the most
 commonly used types, including all of the scalar types.
 
 This ensures that Python and Rust use the same type numbering.

lib/cretonne/src/constant_hash.rs

@@ -1,7 +1,7 @@
 //! Runtime support for precomputed constant hash tables.
 //!
-//! The `meta/constant_hash.py` Python module can generate constant hash tables using open
-//! addressing and quadratic probing. The hash tables are arrays that are guaranteed to:
+//! The `lib/cretonne/meta/constant_hash.py` Python module can generate constant hash tables using
+//! open addressing and quadratic probing. The hash tables are arrays that are guaranteed to:
 //!
 //! - Have a power-of-two size.
 //! - Contain at least one empty slot.
@@ -52,7 +52,7 @@ pub fn probe<K: Copy + Eq, T: Table<K> + ?Sized>(table: &T, key: K, hash: usize)
 }
 
 /// A primitive hash function for matching opcodes.
-/// Must match `meta/constant_hash.py`.
+/// Must match `lib/cretonne/meta/constant_hash.py`.
 pub fn simple_hash(s: &str) -> usize {
     let mut h: u32 = 5381;
     for c in s.chars() {

lib/cretonne/src/ir/builder.rs

@@ -39,7 +39,7 @@ pub trait InstBuilderBase<'f>: Sized {
                            -> (Inst, &'f mut DataFlowGraph);
 }
 
-// Include trait code generated by `meta/gen_instr.py`.
+// Include trait code generated by `lib/cretonne/meta/gen_instr.py`.
 //
 // This file defines the `InstBuilder` trait as an extension of `InstBuilderBase` with methods per
 // instruction format and per opcode.

lib/cretonne/src/ir/instructions.rs

@@ -15,7 +15,7 @@ use ir::immediates::{Imm64, Uimm8, Ieee32, Ieee64, ImmVector};
 use ir::condcodes::*;
 use ir::types;
 
-// Include code generated by `meta/gen_instr.py`. This file contains:
+// Include code generated by `lib/cretonne/meta/gen_instr.py`. This file contains:
 //
 // - The `pub enum InstructionFormat` enum with all the instruction formats.
 // - The `pub enum Opcode` definition with all known opcodes,
@@ -54,9 +54,9 @@ impl Opcode {
     }
 }
 
-// This trait really belongs in libreader where it is used by the .cton file parser, but since it
+// This trait really belongs in lib/reader where it is used by the .cton file parser, but since it
 // critically depends on the `opcode_name()` function which is needed here anyway, it lives in this
-// module. This also saves us from runing the build script twice to generate code for the two
+// module. This also saves us from running the build script twice to generate code for the two
 // separate crates.
 impl FromStr for Opcode {
     type Err = &'static str;

lib/cretonne/src/ir/types.rs

@@ -30,8 +30,9 @@ pub struct Type(u8);
 /// a SIMD vector.
 pub const VOID: Type = Type(0);
 
-// Include code generated by `meta/gen_types.py`. This file contains constant definitions for all
-// the scalar types as well as common vector types for 64, 128, 256, and 512-bit SIMD vectors.
+// Include code generated by `lib/cretonne/meta/gen_types.py`. This file contains constant
+// definitions for all the scalar types as well as common vector types for 64, 128, 256, and
+// 512-bit SIMD vectors.
 include!(concat!(env!("OUT_DIR"), "/types.rs"));
 
 impl Type {

lib/cretonne/src/isa/enc_tables.rs

@@ -1,7 +1,7 @@
 //! Support types for generated encoding tables.
 //!
 //! This module contains types and functions for working with the encoding tables generated by
-//! `meta/gen_encoding.py`.
+//! `lib/cretonne/meta/gen_encoding.py`.
 use ir::{Type, Opcode};
 use isa::Encoding;
 use constant_hash::{Table, probe};

lib/cretonne/src/isa/riscv/settings.rs

@@ -3,8 +3,9 @@
 use settings::{self, detail, Builder};
 use std::fmt;
 
-// Include code generated by `meta/gen_settings.py`. This file contains a public `Flags` struct
-// with an impl for all of the settings defined in `meta/cretonne/settings.py`.
+// Include code generated by `lib/cretonne/meta/gen_settings.py`. This file contains a public
+// `Flags` struct with an impl for all of the settings defined in
+// `lib/cretonne/meta/cretonne/settings.py`.
 include!(concat!(env!("OUT_DIR"), "/settings-riscv.rs"));
 
 #[cfg(test)]

lib/cretonne/src/predicates.rs

@@ -1,7 +1,7 @@
 //! Predicate functions for testing instruction fields.
 //!
 //! This module defines functions that are used by the instruction predicates defined by
-//! `meta/cretonne/predicates.py` classes.
+//! `lib/cretonne/meta/cretonne/predicates.py` classes.
 //!
 //! The predicates the operate on integer fields use `Into<i64>` as a shared trait bound. This
 //! bound is implemented by all the native integer types as well as `Imm64`.