2008-03-27 H.J. Lu <hongjiu.lu@intel.com>

[pf3gnuchains/gcc-fork.git] / gcc / config / i386 / i386.c

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 3dfb301..84a54d7 100644 (file)
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -4577,7 +4577,8 @@ ix86_function_arg_boundary (enum machine_mode mode, tree type)
     align = GET_MODE_ALIGNMENT (mode);
   if (align < PARM_BOUNDARY)
     align = PARM_BOUNDARY;
-  if (!TARGET_64BIT)
+  /* Decimal floating point is aligned to its natural boundary.  */
+  if (!TARGET_64BIT && !VALID_DFP_MODE_P (mode))
     {
       /* i386 ABI defines all arguments to be 4 byte aligned.  We have to
         make an exception for SSE modes since these require 128bit