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| author | wilson <wilson@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-07-09 00:18:19 +0000 |
|---|---|---|
| committer | wilson <wilson@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-07-09 00:18:19 +0000 |
| commit | 6b039979accdac89495c0394d59753b06466ec11 (patch) | |
| tree | 5d12df5ae9a8437a07b1df0a3993da4b751c1d39 | |
| parent | e6efb38e6f04b0cc04b753bc8f37ac57f7def431 (diff) | |
| download | gcc-6b039979accdac89495c0394d59753b06466ec11.tar.gz | |
partial fix for PR target/10021
* emit-rtl.c (set_mem_attribute_minus_bitpos): When handle ARRAY_REF,
loop over new variable t2 instead of t.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@69111 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/emit-rtl.c | 29 |
2 files changed, 22 insertions, 13 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a589359b86a..194c807de5a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2003-07-08 James E Wilson <wilson@tuliptree.org> + + PR target/10021 + * emit-rtl.c (set_mem_attribute_minus_bitpos): When handle ARRAY_REF, + loop over new variable t2 instead of t. + 2003-07-08 Danny Smith <dannysmith@users.sourceforge.net> PR bootstrap/11455 diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index 3b926dfb305..cb05ea8daad 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -1915,11 +1915,14 @@ set_mem_attributes_minus_bitpos (rtx ref, tree t, int objectp, else if (TREE_CODE (t) == ARRAY_REF) { tree off_tree = size_zero_node; + /* We can't modify t, because we use it at the end of the + function. */ + tree t2 = t; do { - tree index = TREE_OPERAND (t, 1); - tree array = TREE_OPERAND (t, 0); + tree index = TREE_OPERAND (t2, 1); + tree array = TREE_OPERAND (t2, 0); tree domain = TYPE_DOMAIN (TREE_TYPE (array)); tree low_bound = (domain ? TYPE_MIN_VALUE (domain) : 0); tree unit_size = TYPE_SIZE_UNIT (TREE_TYPE (TREE_TYPE (array))); @@ -1936,7 +1939,7 @@ set_mem_attributes_minus_bitpos (rtx ref, tree t, int objectp, WITH_RECORD_EXPR; if the component size is, pass our component to one. */ if (CONTAINS_PLACEHOLDER_P (index)) - index = build (WITH_RECORD_EXPR, TREE_TYPE (index), index, t); + index = build (WITH_RECORD_EXPR, TREE_TYPE (index), index, t2); if (CONTAINS_PLACEHOLDER_P (unit_size)) unit_size = build (WITH_RECORD_EXPR, sizetype, unit_size, array); @@ -1947,28 +1950,28 @@ set_mem_attributes_minus_bitpos (rtx ref, tree t, int objectp, index, unit_size)), off_tree)); - t = TREE_OPERAND (t, 0); + t2 = TREE_OPERAND (t2, 0); } - while (TREE_CODE (t) == ARRAY_REF); + while (TREE_CODE (t2) == ARRAY_REF); - if (DECL_P (t)) + if (DECL_P (t2)) { - expr = t; + expr = t2; offset = NULL; if (host_integerp (off_tree, 1)) { HOST_WIDE_INT ioff = tree_low_cst (off_tree, 1); HOST_WIDE_INT aoff = (ioff & -ioff) * BITS_PER_UNIT; - align = DECL_ALIGN (t); + align = DECL_ALIGN (t2); if (aoff && (unsigned HOST_WIDE_INT) aoff < align) align = aoff; offset = GEN_INT (ioff); apply_bitpos = bitpos; } } - else if (TREE_CODE (t) == COMPONENT_REF) + else if (TREE_CODE (t2) == COMPONENT_REF) { - expr = component_ref_for_mem_expr (t); + expr = component_ref_for_mem_expr (t2); if (host_integerp (off_tree, 1)) { offset = GEN_INT (tree_low_cst (off_tree, 1)); @@ -1978,10 +1981,10 @@ set_mem_attributes_minus_bitpos (rtx ref, tree t, int objectp, the size we got from the type? */ } else if (flag_argument_noalias > 1 - && TREE_CODE (t) == INDIRECT_REF - && TREE_CODE (TREE_OPERAND (t, 0)) == PARM_DECL) + && TREE_CODE (t2) == INDIRECT_REF + && TREE_CODE (TREE_OPERAND (t2, 0)) == PARM_DECL) { - expr = t; + expr = t2; offset = NULL; } } |