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| author | Yiran Wang <yiran@google.com> | 2015-06-23 15:33:17 -0700 |
|---|---|---|
| committer | Yiran Wang <yiran@google.com> | 2015-06-29 10:56:28 -0700 |
| commit | 1d9fec7937f45dde5e04cac966a2d9a12f2fc15a (patch) | |
| tree | 3fbcd18a379a05fd6d43491a107e1f36bc61b185 /gcc-4.9/gcc/tree-ssa-forwprop.c | |
| parent | f378ebf14df0952eae870c9865bab8326aa8f137 (diff) | |
| download | toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.tar.gz toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.tar.bz2 toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.zip | |
Synchronize with google/gcc-4_9 to r224707 (from r214835)
Change-Id: I3d6f06fc613c8f8b6a82143dc44b7338483aac5d
Diffstat (limited to 'gcc-4.9/gcc/tree-ssa-forwprop.c')
| -rw-r--r-- | gcc-4.9/gcc/tree-ssa-forwprop.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gcc-4.9/gcc/tree-ssa-forwprop.c b/gcc-4.9/gcc/tree-ssa-forwprop.c index b6bedfea6..c1d67307e 100644 --- a/gcc-4.9/gcc/tree-ssa-forwprop.c +++ b/gcc-4.9/gcc/tree-ssa-forwprop.c @@ -1529,7 +1529,8 @@ simplify_builtin_call (gimple_stmt_iterator *gsi_p, tree callee2) use_operand_p use_p; if (!tree_fits_shwi_p (val2) - || !tree_fits_uhwi_p (len2)) + || !tree_fits_uhwi_p (len2) + || compare_tree_int (len2, 1024) == 1) break; if (is_gimple_call (stmt1)) { @@ -1595,7 +1596,8 @@ simplify_builtin_call (gimple_stmt_iterator *gsi_p, tree callee2) is not constant, or is bigger than memcpy length, bail out. */ if (diff == NULL || !tree_fits_uhwi_p (diff) - || tree_int_cst_lt (len1, diff)) + || tree_int_cst_lt (len1, diff) + || compare_tree_int (diff, 1024) == 1) break; /* Use maximum of difference plus memset length and memcpy length @@ -3173,7 +3175,9 @@ simplify_vce (gimple_stmt_iterator *gsi) && (INTEGRAL_TYPE_P (TREE_TYPE (def_op)) || POINTER_TYPE_P (TREE_TYPE (def_op))) && (TYPE_PRECISION (TREE_TYPE (op)) - == TYPE_PRECISION (TREE_TYPE (def_op)))) + == TYPE_PRECISION (TREE_TYPE (def_op))) + && (TYPE_SIZE (TREE_TYPE (op)) + == TYPE_SIZE (TREE_TYPE (def_op)))) { TREE_OPERAND (gimple_assign_rhs1 (stmt), 0) = def_op; update_stmt (stmt); |