* config/ia64/ia64.c (ia64_function_arg): Set up a PARALLEL for a

[pf3gnuchains/gcc-fork.git] / gcc / config / ia64 / ia64.c

diff --git a/gcc/config/ia64/ia64.c b/gcc/config/ia64/ia64.c
index 8d20992..0475c94 100644 (file)
--- a/gcc/config/ia64/ia64.c
+++ b/gcc/config/ia64/ia64.c
@@ -3822,6 +3822,19 @@ ia64_function_arg (CUMULATIVE_ARGS *cum, enum machine_mode mode, tree type,
                    gen_rtx_EXPR_LIST (VOIDmode,
                     gen_rtx_REG (DImode, basereg + cum->words + offset),
                                      const0_rtx)));
+      /* Similarly, an anonymous XFmode value must be split into two
+        registers and padded appropriately.  */
+      else if (BYTES_BIG_ENDIAN && mode == XFmode)
+       {
+         rtx loc[2];
+         loc[0] = gen_rtx_EXPR_LIST (VOIDmode,
+                    gen_rtx_REG (DImode, basereg + cum->words + offset),
+                                     const0_rtx);
+         loc[1] = gen_rtx_EXPR_LIST (VOIDmode,
+                    gen_rtx_REG (DImode, basereg + cum->words + offset + 1),
+                                     GEN_INT (UNITS_PER_WORD));
+         return gen_rtx_PARALLEL (mode, gen_rtvec_v (2, loc));
+       }
       else
        return gen_rtx_REG (mode, basereg + cum->words + offset);
     }