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| author | Eric Botcazou <ebotcazou@adacore.com> | 2010-07-08 15:23:45 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2010-07-08 15:23:45 +0000 |
| commit | a80903ff487fc462b96e9ae461a107a05eaacd64 (patch) | |
| tree | 4e76d7f5369ba158c58a7df06202bd2362c5bd34 /gcc/emit-rtl.c | |
| parent | 7aa0849ad23d89d0a899e0216e20b3c8cc18d8b2 (diff) | |
| download | gcc-a80903ff487fc462b96e9ae461a107a05eaacd64.zip gcc-a80903ff487fc462b96e9ae461a107a05eaacd64.tar.gz gcc-a80903ff487fc462b96e9ae461a107a05eaacd64.tar.bz2 | |
* emit-rtl.c (set_mem_attributes_minus_bitpos): Fix formatting issues.
From-SVN: r161961
Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index aebd17d..42bb429 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -1611,27 +1611,26 @@ set_mem_attributes_minus_bitpos (rtx ref, tree t, int objectp, /* We can set the alignment from the type if we are making an object, this is an INDIRECT_REF, or if TYPE_ALIGN_OK. */ - if (objectp || TREE_CODE (t) == INDIRECT_REF - || TYPE_ALIGN_OK (type)) + if (objectp || TREE_CODE (t) == INDIRECT_REF || TYPE_ALIGN_OK (type)) align = MAX (align, TYPE_ALIGN (type)); + else if (TREE_CODE (t) == MEM_REF) { + tree op0 = TREE_OPERAND (t, 0); unsigned HOST_WIDE_INT aoff = BITS_PER_UNIT; if (host_integerp (TREE_OPERAND (t, 1), 1)) { unsigned HOST_WIDE_INT ioff = TREE_INT_CST_LOW (TREE_OPERAND (t, 1)); aoff = (ioff & -ioff) * BITS_PER_UNIT; } - if (TREE_CODE (TREE_OPERAND (t, 0)) == ADDR_EXPR - && DECL_P (TREE_OPERAND (TREE_OPERAND (t, 0), 0))) - align = MAX (align, - DECL_ALIGN (TREE_OPERAND (TREE_OPERAND (t, 0), 0))); - else if (TREE_CODE (TREE_OPERAND (t, 0)) == ADDR_EXPR - && CONSTANT_CLASS_P (TREE_OPERAND (TREE_OPERAND (t, 0), 0))) + if (TREE_CODE (op0) == ADDR_EXPR && DECL_P (TREE_OPERAND (op0, 0))) + align = MAX (align, DECL_ALIGN (TREE_OPERAND (op0, 0))); + else if (TREE_CODE (op0) == ADDR_EXPR + && CONSTANT_CLASS_P (TREE_OPERAND (op0, 0))) { - align = TYPE_ALIGN (TREE_TYPE (TREE_OPERAND (TREE_OPERAND (t, 0), 0))); + align = TYPE_ALIGN (TREE_TYPE (TREE_OPERAND (op0, 0))); #ifdef CONSTANT_ALIGNMENT - align = CONSTANT_ALIGNMENT (TREE_OPERAND (TREE_OPERAND (t, 0), 0), align); + align = CONSTANT_ALIGNMENT (TREE_OPERAND (op0, 0), align); #endif } else @@ -1639,19 +1638,19 @@ set_mem_attributes_minus_bitpos (rtx ref, tree t, int objectp, alignment information from types. */ align = MAX (align, TYPE_ALIGN (TREE_TYPE (TREE_TYPE (TREE_OPERAND (t, 1))))); - if (!integer_zerop (TREE_OPERAND (t, 1)) - && aoff < align) + + if (!integer_zerop (TREE_OPERAND (t, 1)) && aoff < align) align = aoff; } - else - if (TREE_CODE (t) == MISALIGNED_INDIRECT_REF) - { - if (integer_zerop (TREE_OPERAND (t, 1))) - /* We don't know anything about the alignment. */ - align = BITS_PER_UNIT; - else - align = tree_low_cst (TREE_OPERAND (t, 1), 1); - } + + else if (TREE_CODE (t) == MISALIGNED_INDIRECT_REF) + { + if (integer_zerop (TREE_OPERAND (t, 1))) + /* We don't know anything about the alignment. */ + align = BITS_PER_UNIT; + else + align = tree_low_cst (TREE_OPERAND (t, 1), 1); + } /* If the size is known, we can set that. */ if (TYPE_SIZE_UNIT (type) && host_integerp (TYPE_SIZE_UNIT (type), 1)) |