diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a11ec1cc0e5d..b37e15d32e00 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2015-04-02 Ilya Enkovich + + * config/i386/i386.c (ix86_expand_call): Avoid nested + PARALLEL in returned call value. + 2015-04-02 Ilya Enkovich * lto-cgraph.c (input_cgraph_1): Always link instrumented diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index d8d9983009d2..02b5103138a0 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -25624,8 +25624,19 @@ ix86_expand_call (rtx retval, rtx fnaddr, rtx callarg1, { rtx b0 = gen_rtx_REG (BND64mode, FIRST_BND_REG); rtx b1 = gen_rtx_REG (BND64mode, FIRST_BND_REG + 1); - retval = gen_rtx_PARALLEL (VOIDmode, gen_rtvec (3, retval, b0, b1)); - chkp_put_regs_to_expr_list (retval); + if (GET_CODE (retval) == PARALLEL) + { + b0 = gen_rtx_EXPR_LIST (VOIDmode, b0, const0_rtx); + b1 = gen_rtx_EXPR_LIST (VOIDmode, b1, const0_rtx); + rtx par = gen_rtx_PARALLEL (VOIDmode, gen_rtvec (2, b0, b1)); + retval = chkp_join_splitted_slot (retval, par); + } + else + { + retval = gen_rtx_PARALLEL (VOIDmode, + gen_rtvec (3, retval, b0, b1)); + chkp_put_regs_to_expr_list (retval); + } } call = gen_rtx_SET (VOIDmode, retval, call);