diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/s390/s390.c | 16 |
2 files changed, 16 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f309904..b248acd 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2016-07-06 Andreas Krebbel <krebbel@linux.vnet.ibm.com> + + * config/s390/s390.c (s390_expand_vec_init): Force initializer + element to register if it doesn't match general_operand. + 2016-07-05 Michael Meissner <meissner@linux.vnet.ibm.com> Bill Schmidt <wschmidt@linux.vnet.ibm.com> diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c index ee0187c6..9d2b2c0 100644 --- a/gcc/config/s390/s390.c +++ b/gcc/config/s390/s390.c @@ -6443,11 +6443,17 @@ s390_expand_vec_init (rtx target, rtx vals) /* Unfortunately the vec_init expander is not allowed to fail. So we have to implement the fallback ourselves. */ for (i = 0; i < n_elts; i++) - emit_insn (gen_rtx_SET (target, - gen_rtx_UNSPEC (mode, - gen_rtvec (3, XVECEXP (vals, 0, i), - GEN_INT (i), target), - UNSPEC_VEC_SET))); + { + rtx elem = XVECEXP (vals, 0, i); + if (!general_operand (elem, GET_MODE (elem))) + elem = force_reg (inner_mode, elem); + + emit_insn (gen_rtx_SET (target, + gen_rtx_UNSPEC (mode, + gen_rtvec (3, elem, + GEN_INT (i), target), + UNSPEC_VEC_SET))); + } } /* Structure to hold the initial parameters for a compare_and_swap operation |