diff options
Diffstat (limited to 'gcc/varasm.cc')
| -rw-r--r-- | gcc/varasm.cc | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/varasm.cc b/gcc/varasm.cc index 8ae0a25..53f0cc6 100644 --- a/gcc/varasm.cc +++ b/gcc/varasm.cc @@ -4061,11 +4061,17 @@ output_constant_pool_2 (fixed_size_mode mode, rtx x, unsigned int align) whole element. Often this is byte_mode and contains more than one element. */ unsigned int nelts = GET_MODE_NUNITS (mode); - unsigned int elt_bits = GET_MODE_BITSIZE (mode) / nelts; + unsigned int elt_bits = GET_MODE_PRECISION (mode) / nelts; unsigned int int_bits = MAX (elt_bits, BITS_PER_UNIT); scalar_int_mode int_mode = int_mode_for_size (int_bits, 0).require (); unsigned int mask = GET_MODE_MASK (GET_MODE_INNER (mode)); + /* We allow GET_MODE_PRECISION (mode) <= GET_MODE_BITSIZE (mode) but + only properly handle cases where the difference is less than a + byte. */ + gcc_assert (GET_MODE_BITSIZE (mode) - GET_MODE_PRECISION (mode) < + BITS_PER_UNIT); + /* Build the constant up one integer at a time. */ unsigned int elts_per_int = int_bits / elt_bits; for (unsigned int i = 0; i < nelts; i += elts_per_int) |