diff --git a/sim/FPbuild.txt b/sim/FPbuild.txt
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+Procedure for Runnning SoftFloat/TestFloat with Wally
+
+1.) First, compile SoftFloat and TestFloat by going to the addins
+directory and finding the specific build directory (e.g.,
+Linux_x86_64-GCC.  Currently, we are using v3e of
+SoftFloat/TestFloat.  I am not sure of the order, but I always compile
+SoftFloat first as I believe TestFloat uses the static library
+SoftFloat creates.
+
+2.) Once compiled both, go to the tests/fp directory and run the
+create_vectors.sh Linux script.  In the past, we have automated this,
+but I believe this has fallen into more of a manual state lately.
+
+3.) Then, run remove_spaces.sh which will remove spaces from the
+output and put underscores between vectors (this helps differentiate
+the vectors that are generated).  Again, this can be combined with
+Step 2.
+
+4.) TestFloat is run from wally/cvw/sim and sim-testfloat-batch with
+its respective test.  The format is ./sim-testfloat-add add.  All of
+the tests are listed below.  This can be augmented or added to for
+other FP tests given by the great SoftFloat/TestFloat output.
+
+ cvtint - test integer conversion unit (fcvtint)
+ cvtfp  - test floating-point conversion unit (fcvtfp)
+ cmp    - test comparison unit's LT, LE, EQ opperations (fcmp)
+ add    - test addition
+ fma    - test fma
+ mul    - test mult with fma
+ sub    - test subtraction
+ div    - test division
+ sqrt   - test square root
+ all    - test everything
+
+4a.) Each test will test all its vectors - if you want to test a
+subset of the vectors (e.g., only binary16), you should modify the
+cvw/testbench/tests-fp.h and comment out the tests  you do not want to
+test.  The best way to do this is to comment out each item out with
+the // comment option in SV.  For example,
+
+string f128div[] = '{
+//	"f128_div_rne.tv",
+//	"f128_div_rz.tv",
+//	"f128_div_ru.tv",
+//	"f128_div_rd.tv",
+//	"f128_div_rnm.tv"
+};
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