diff options
Diffstat (limited to 'gcc/dse.c')
| -rw-r--r-- | gcc/dse.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/gcc/dse.c b/gcc/dse.c index 937e6eabd62..aa1c766d1f4 100644 --- a/gcc/dse.c +++ b/gcc/dse.c @@ -1734,12 +1734,12 @@ get_stored_val (store_info *store_info, machine_mode read_mode, { /* The store is a memset (addr, const_val, const_size). */ gcc_assert (CONST_INT_P (store_info->rhs)); - store_mode = int_mode_for_mode (read_mode); - if (store_mode == BLKmode) + scalar_int_mode int_store_mode; + if (!int_mode_for_mode (read_mode).exists (&int_store_mode)) read_reg = NULL_RTX; else if (store_info->rhs == const0_rtx) - read_reg = extract_low_bits (read_mode, store_mode, const0_rtx); - else if (GET_MODE_BITSIZE (store_mode) > HOST_BITS_PER_WIDE_INT + read_reg = extract_low_bits (read_mode, int_store_mode, const0_rtx); + else if (GET_MODE_BITSIZE (int_store_mode) > HOST_BITS_PER_WIDE_INT || BITS_PER_UNIT >= HOST_BITS_PER_WIDE_INT) read_reg = NULL_RTX; else @@ -1753,8 +1753,8 @@ get_stored_val (store_info *store_info, machine_mode read_mode, c |= (c << shift); shift <<= 1; } - read_reg = gen_int_mode (c, store_mode); - read_reg = extract_low_bits (read_mode, store_mode, read_reg); + read_reg = gen_int_mode (c, int_store_mode); + read_reg = extract_low_bits (read_mode, int_store_mode, read_reg); } } else if (store_info->const_rhs |