* ifcvt.c (noce_emit_cmove): If both of the values are SUBREGs, try

[pf3gnuchains/gcc-fork.git] / gcc / reg-notes.def

diff --git a/gcc/reg-notes.def b/gcc/reg-notes.def
index 90b5fde..f82e7b7 100644 (file)
--- a/gcc/reg-notes.def
+++ b/gcc/reg-notes.def
@@ -1,5 +1,6 @@
 /* Register note definitions.
-   Copyright (C) 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+   Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010
+   Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -147,12 +148,23 @@ REG_NOTE (CFA_OFFSET)
    or the pattern should be simple reg-reg move.  */
 REG_NOTE (CFA_REGISTER)
 
+/* Attached to insns that are RTX_FRAME_RELATED_P, but are too complex
+   for FRAME_RELATED_EXPR intuition.  This is a save to memory, i.e. will
+   result in a DW_CFA_expression.  The pattern or the insn should be a
+   store of a register to an arbitrary (non-validated) memory address.  */
+REG_NOTE (CFA_EXPRESSION)
+
 /* Attached to insns that are RTX_FRAME_RELATED_P, with the information
    that this is a restore operation, i.e. will result in DW_CFA_restore
    or the like.  Either the attached rtx, or the destination of the insn's
    first pattern is the register to be restored.  */
 REG_NOTE (CFA_RESTORE)
 
+/* Attached to insn that is RTX_FRAME_RELATED_P, marks insn that sets
+   vDRAP from DRAP.  If vDRAP is a register, vdrap_reg is initalized
+   to the argument, if it is a MEM, it is ignored.  */
+REG_NOTE (CFA_SET_VDRAP)
+
 /* Indicates that REG holds the exception context for the function.
    This context is shared by inline functions, so the code to acquire
    the real exception context is delayed until after inlining.  */