Hi, Static chain returned from get_rtl_for_parm_ssa_default_def may not have Pmode. This patch converts static chain to Pmode if needed. Tested on Linux/x86-64. OK for trunk?
Thanks. H.J. --- 2015-07-24 H.J. Lu <hongjiu...@intel.com> PR bootstrap/66978 * function.c (expand_function_start): Convert static chain to Pmode if needed. diff --git a/gcc/function.c b/gcc/function.c index c3d00cd..f63c9be 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -5207,6 +5207,10 @@ expand_function_start (tree subr) SET_DECL_RTL (parm, local); mark_reg_pointer (local, TYPE_ALIGN (TREE_TYPE (TREE_TYPE (parm)))); + if (GET_MODE (local) != Pmode) + local = convert_to_mode (Pmode, local, + TYPE_UNSIGNED (TREE_TYPE (parm))); + insn = emit_move_insn (local, chain); /* Mark the register as eliminable, similar to parameters. */