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authorDenis Chertykov <denisc@gcc.gnu.org>2014-04-06 23:09:36 +0400
committerDenis Chertykov <denisc@gcc.gnu.org>2014-04-06 23:09:36 +0400
commit832e00167326d5f804e2f434fc326090b90465a4 (patch)
tree34d6b41102b3e911860eca0c948a25aa31bb4f5d
parent738d6b6d83785a60b16ce864f6e0d8eb21991750 (diff)
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invoke.texi: Add info for __AVR_ISA_RMW__ builtin macro
* doc/invoke.texi: Add info for __AVR_ISA_RMW__ builtin macro From-SVN: r209169
-rw-r--r--gcc/doc/invoke.texi3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 4bf6866..80a93e1 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -12983,6 +12983,9 @@ instructions because of a hardware erratum. Skip instructions are
The second macro is only defined if @code{__AVR_HAVE_JMP_CALL__} is also
set.
+@item __AVR_ISA_RMW__
+The device has Read-Modify-Write instructions (XCH, LAC, LAS and LAT).
+
@item __AVR_SFR_OFFSET__=@var{offset}
Instructions that can address I/O special function registers directly
like @code{IN}, @code{OUT}, @code{SBI}, etc.@: may use a different