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+++ b/docs/users_guide/using-optimisation.rst
@@ -1238,3 +1238,19 @@ by saying ``-fno-wombat``.
if a function definition will be inlined *at a call site*. The other option
determines if a function definition will be kept around at all for
potential inlining.
+
+.. ghc-flag:: -fbinary-blob-threshold=⟨n⟩
+ :shortdesc: *default: 500K.* Tweak assembly generator for binary blobs.
+ :type: dynamic
+ :category: optimization
+
+ :default: 500000
+
+ The native code-generator can either dump binary blobs (e.g. string
+ literals) into the assembly file (by using ".asciz" or ".string" assembler
+ directives) or it can dump them as binary data into a temporary file which
+ is then included by the assembler (using the ".incbin" assembler directive).
+
+ This flag sets the size (in bytes) threshold above which the second approach
+ is used. You can disable the second approach entirely by setting the
+ threshold to 0.