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| author | Steven Bosscher <steven@gcc.gnu.org> | 2012-06-29 14:48:08 +0000 |
|---|---|---|
| committer | Steven Bosscher <steven@gcc.gnu.org> | 2012-06-29 14:48:08 +0000 |
| commit | cc193fba85953801d140e87c636a208767b75dfa (patch) | |
| tree | ff5846aca298075f454abf75c2500eae0de6daa0 /gcc/doc/tm.texi.in | |
| parent | 7211c82f34d7962c2af32da025aa55c4c858e528 (diff) | |
| download | gcc-cc193fba85953801d140e87c636a208767b75dfa.zip gcc-cc193fba85953801d140e87c636a208767b75dfa.tar.gz gcc-cc193fba85953801d140e87c636a208767b75dfa.tar.bz2 | |
system.h (CASE_USE_BIT_TESTS): Poison.
* system.h (CASE_USE_BIT_TESTS): Poison.
* stmt.c (CASE_USE_BIT_TESTS): Fold away into its only user ...
(expand_switch_using_bit_tests_p): ...here.
* doc/tm.texi.in (CASE_USE_BIT_TESTS): Remove documentation.
* doc/tm.texi (CASE_USE_BIT_TESTS): Regenerate.
From-SVN: r189078
Diffstat (limited to 'gcc/doc/tm.texi.in')
| -rw-r--r-- | gcc/doc/tm.texi.in | 10 |
1 files changed, 0 insertions, 10 deletions
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. |