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-rw-r--r--gcc/doc/tm.texi.in10
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diff --git a/gcc/doc/tm.texi.in b/gcc/doc/tm.texi.in
index 6f97b28..4ec2469 100644
--- a/gcc/doc/tm.texi.in
+++ b/gcc/doc/tm.texi.in
@@ -10180,16 +10180,6 @@ The default is four for machines with a @code{casesi} instruction and
five otherwise. This is best for most machines.
@end deftypefn
-@defmac CASE_USE_BIT_TESTS
-Define this macro to be a C expression to indicate whether C switch
-statements may be implemented by a sequence of bit tests. This is
-advantageous on processors that can efficiently implement left shift
-of 1 by the number of bits held in a register, but inappropriate on
-targets that would require a loop. By default, this macro returns
-@code{true} if the target defines an @code{ashlsi3} pattern, and
-@code{false} otherwise.
-@end defmac
-
@defmac WORD_REGISTER_OPERATIONS
Define this macro if operations between registers with integral mode
smaller than a word are always performed on the entire register.