From 832e00167326d5f804e2f434fc326090b90465a4 Mon Sep 17 00:00:00 2001 From: Denis Chertykov Date: Sun, 6 Apr 2014 23:09:36 +0400 Subject: [PATCH] invoke.texi: Add info for __AVR_ISA_RMW__ builtin macro * doc/invoke.texi: Add info for __AVR_ISA_RMW__ builtin macro From-SVN: r209169 --- gcc/doc/invoke.texi | 3 +++ 1 file changed, 3 insertions(+) diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 4bf686660de..80a93e14b0f 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