1 files changed, 10 insertions, 6 deletions
diff --git a/README b/README
index 9328a4f89e..7dd016ef80 100644
--- a/README
+++ b/README
@@ -52,19 +52,23 @@ To do so:
   - Install the dependencies (see 'Requirements' above) and build tools using
     Guix:
 
-      guix package --install={autoconf,automake,bzip2,gcc-toolchain,gettext,guile,libgcrypt,pkg-config,sqlite}
+      guix package --install autoconf automake bzip2 gcc-toolchain gettext \
+                             guile libgcrypt pkg-config sqlite
 
-  - set the environment variables that Guix recommends you to set during the
+  - Set the environment variables that Guix recommends you to set during the
     package installation process:
       ACLOCAL_PATH, CPATH, LIBRARY_PATH, PKG_CONFIG_PATH
 
-  - set the PATH environment variable to refer to the profile:
+  - Set the PATH environment variable to refer to the profile:
       PATH=$HOME/.guix-profile/bin:$PATH
 
-  - re-run the configure script passing it the option
-    `--with-libgcrypt-prefix=$HOME/.guix-profile/'
+  - Re-run the 'configure' script passing it the option
+    '--with-libgcrypt-prefix=$HOME/.guix-profile/', as well as
+    '--localstatedir=/somewhere', where '/somewhere' is the 'localstatedir'
+    value of the currently installed Guix (failing to do that would lead the
+    new Guix to consider the store to be empty!).
 
-  - run "make" and "make install"
+  - Run "make", "make check", and "make install".
 
 * How It Works
 
diff --git a/tests/stack_machine_swap/instructions.s.tcl b/tests/stack_machine_swap/instructions.s.tcl
new file mode 100755
index 0000000..a44ecf9
--- /dev/null
+++ b/tests/stack_machine_swap/instructions.s.tcl
@@ -0,0 +1,17 @@
+#!/usr/bin/env tclsh
+
+source tclasm.tcl
+
+set_sp 0
+
+const h0000DEAD
+const h0000BEEF
+
+swap
+
+## Because values were swapped, h0000DEAD should get written, first, at lower
+## address (h100) and h0000BEEF should be written next (at h200)
+store h000100
+store h000200
+
+halt
diff --git a/tests/stack_machine_swap/test.v b/tests/stack_machine_swap/test.v
new file mode 120000
index 0000000..f5b6a59
--- /dev/null
+++ b/tests/stack_machine_swap/test.v
@@ -0,0 +1 @@
+../stack_machine_store/test.v
+\ No newline at end of file
diff --git a/tests/stack_machine_swap/words_to_verify.mem b/tests/stack_machine_swap/words_to_verify.mem
new file mode 100644
index 0000000..8557c9a
--- /dev/null
+++ b/tests/stack_machine_swap/words_to_verify.mem
@@ -0,0 +1,3 @@
+// address  value
+   00100    DEAD
+   00200    BEEF