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-rw-r--r--gcc/config/rx/rx.opt10
1 files changed, 9 insertions, 1 deletions
diff --git a/gcc/config/rx/rx.opt b/gcc/config/rx/rx.opt
index f0a57b1fae1..4a38988b579 100644
--- a/gcc/config/rx/rx.opt
+++ b/gcc/config/rx/rx.opt
@@ -1,5 +1,5 @@
; Command line options for the Renesas RX port of GCC.
-; Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+; Copyright (C) 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
; Contributed by Red Hat.
;
; This file is part of GCC.
@@ -124,3 +124,11 @@ Enables Position-Independent-Data (PID) mode.
mwarn-multiple-fast-interrupts
Target Report Var(rx_warn_multiple_fast_interrupts) Init(1) Warning
Warn when multiple, different, fast interrupt handlers are in the compilation unit.
+
+mgcc-abi
+Target RejectNegative Report Mask(GCC_ABI)
+Enable the use of the old, broken, ABI where all stacked function arguments are aligned to 32-bits.
+
+mrx-abi
+Target RejectNegative Report InverseMask(GCC_ABI)
+Enable the use the standard RX ABI where all stacked function arguments are naturally aligned. This is the default.