Merge pull request rust-lang#410 from vuittont60/master

Fix typos

Readme.md

@@ -181,7 +181,7 @@ debug_tree(expr);
 
 (defined in print-tree.h)
 
-To print a debug reprensentation of a gimple struct:
+To print a debug representation of a gimple struct:
 
 ```c
 debug_gimple_stmt(gimple_struct)

src/base.rs

@@ -164,7 +164,7 @@ pub fn compile_codegen_unit(tcx: TyCtxt<'_>, cgu_name: Symbol, target_info: Lock
             context.add_driver_option("-v");
         }
 
-        // NOTE: The codegen generates unrechable blocks.
+        // NOTE: The codegen generates unreachable blocks.
         context.set_allow_unreachable_blocks(true);
 
         {

src/intrinsic/llvm.rs

@@ -262,7 +262,7 @@ pub fn adjust_intrinsic_arguments<'a, 'b, 'gcc, 'tcx>(builder: &Builder<'a, 'gcc
             },
             // NOTE: the LLVM intrinsic receives 3 floats, but the GCC builtin requires 3 vectors.
             // FIXME: the intrinsics like _mm_mask_fmadd_sd should probably directly call the GCC
-            // instrinsic to avoid this.
+            // intrinsic to avoid this.
             "__builtin_ia32_vfmaddss3_round" => {
                 let new_args = args.to_vec();
                 let arg1_type = gcc_func.get_param_type(0);