diff options
Diffstat (limited to 'gcc/tree-dfa.c')
| -rw-r--r-- | gcc/tree-dfa.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/gcc/tree-dfa.c b/gcc/tree-dfa.c index b23c531..70563e7 100644 --- a/gcc/tree-dfa.c +++ b/gcc/tree-dfa.c @@ -896,7 +896,7 @@ get_ref_base_and_extent (tree exp, HOST_WIDE_INT *poffset, switch (TREE_CODE (exp)) { case BIT_FIELD_REF: - bit_offset += tree_low_cst (TREE_OPERAND (exp, 2), 1); + bit_offset += tree_low_cst (TREE_OPERAND (exp, 2), 0); break; case COMPONENT_REF: @@ -906,11 +906,11 @@ get_ref_base_and_extent (tree exp, HOST_WIDE_INT *poffset, if (this_offset && TREE_CODE (this_offset) == INTEGER_CST) { - HOST_WIDE_INT hthis_offset = tree_low_cst (this_offset, 1); + HOST_WIDE_INT hthis_offset = tree_low_cst (this_offset, 0); hthis_offset *= BITS_PER_UNIT; bit_offset += hthis_offset; - bit_offset += tree_low_cst (DECL_FIELD_BIT_OFFSET (field), 1); + bit_offset += tree_low_cst (DECL_FIELD_BIT_OFFSET (field), 0); } else { @@ -918,11 +918,8 @@ get_ref_base_and_extent (tree exp, HOST_WIDE_INT *poffset, /* We need to adjust maxsize to the whole structure bitsize. But we can subtract any constant offset seen sofar, because that would get us out of the structure otherwise. */ - if (maxsize != -1 - && csize && host_integerp (csize, 1)) - { - maxsize = (TREE_INT_CST_LOW (csize) - bit_offset); - } + if (maxsize != -1 && csize && host_integerp (csize, 1)) + maxsize = TREE_INT_CST_LOW (csize) - bit_offset; else maxsize = -1; } @@ -959,11 +956,8 @@ get_ref_base_and_extent (tree exp, HOST_WIDE_INT *poffset, /* We need to adjust maxsize to the whole array bitsize. But we can subtract any constant offset seen sofar, because that would get us outside of the array otherwise. */ - if (maxsize != -1 - && asize && host_integerp (asize, 1)) - { - maxsize = (TREE_INT_CST_LOW (asize) - bit_offset); - } + if (maxsize != -1 && asize && host_integerp (asize, 1)) + maxsize = TREE_INT_CST_LOW (asize) - bit_offset; else maxsize = -1; |