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| author | Aldy Hernandez <aldyh@redhat.com> | 2020-06-17 07:50:57 -0400 |
|---|---|---|
| committer | Aldy Hernandez <aldyh@redhat.com> | 2020-06-17 07:50:57 -0400 |
| commit | b9e67f2840ce0d8859d96e7f8df8fe9584af5eba (patch) | |
| tree | ed3b7284ff15c802583f6409b9c71b3739642d15 /gcc/tree-dfa.c | |
| parent | 1957047ed1c94bf17cf993a2b1866965f493ba87 (diff) | |
| parent | 56638b9b1853666f575928f8baf17f70e4ed3517 (diff) | |
| download | gcc-b9e67f2840ce0d8859d96e7f8df8fe9584af5eba.zip gcc-b9e67f2840ce0d8859d96e7f8df8fe9584af5eba.tar.gz gcc-b9e67f2840ce0d8859d96e7f8df8fe9584af5eba.tar.bz2 | |
Merge from trunk at:
commit 56638b9b1853666f575928f8baf17f70e4ed3517
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date: Wed Jun 17 00:16:36 2020 +0000
Daily bump.
Diffstat (limited to 'gcc/tree-dfa.c')
| -rw-r--r-- | gcc/tree-dfa.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/gcc/tree-dfa.c b/gcc/tree-dfa.c index b6edc5c..3283d11 100644 --- a/gcc/tree-dfa.c +++ b/gcc/tree-dfa.c @@ -806,23 +806,25 @@ get_addr_base_and_unit_offset_1 (tree exp, poly_int64_pod *poffset, if (valueize && TREE_CODE (index) == SSA_NAME) index = (*valueize) (index); + if (!poly_int_tree_p (index)) + return NULL_TREE; + low_bound = array_ref_low_bound (exp); + if (valueize + && TREE_CODE (low_bound) == SSA_NAME) + low_bound = (*valueize) (low_bound); + if (!poly_int_tree_p (low_bound)) + return NULL_TREE; + unit_size = array_ref_element_size (exp); + if (TREE_CODE (unit_size) != INTEGER_CST) + return NULL_TREE; /* If the resulting bit-offset is constant, track it. */ - if (poly_int_tree_p (index) - && (low_bound = array_ref_low_bound (exp), - poly_int_tree_p (low_bound)) - && (unit_size = array_ref_element_size (exp), - TREE_CODE (unit_size) == INTEGER_CST)) - { - poly_offset_int woffset - = wi::sext (wi::to_poly_offset (index) - - wi::to_poly_offset (low_bound), - TYPE_PRECISION (TREE_TYPE (index))); - woffset *= wi::to_offset (unit_size); - byte_offset += woffset.force_shwi (); - } - else - return NULL_TREE; + poly_offset_int woffset + = wi::sext (wi::to_poly_offset (index) + - wi::to_poly_offset (low_bound), + TYPE_PRECISION (TREE_TYPE (index))); + woffset *= wi::to_offset (unit_size); + byte_offset += woffset.force_shwi (); } break; |