diff options
Diffstat (limited to 'gcc/tree-ssa-ccp.c')
| -rw-r--r-- | gcc/tree-ssa-ccp.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/tree-ssa-ccp.c b/gcc/tree-ssa-ccp.c index d8f03a1..b4faded 100644 --- a/gcc/tree-ssa-ccp.c +++ b/gcc/tree-ssa-ccp.c @@ -162,6 +162,7 @@ typedef struct prop_value_d prop_value_t; memory reference used to store (i.e., the LHS of the assignment doing the store). */ static prop_value_t *const_val; +static unsigned n_const_val; static void canonicalize_float_value (prop_value_t *); static bool ccp_fold_stmt (gimple_stmt_iterator *); @@ -295,7 +296,8 @@ get_value (tree var) { prop_value_t *val; - if (const_val == NULL) + if (const_val == NULL + || SSA_NAME_VERSION (var) >= n_const_val) return NULL; val = &const_val[SSA_NAME_VERSION (var)]; @@ -713,7 +715,8 @@ ccp_initialize (void) { basic_block bb; - const_val = XCNEWVEC (prop_value_t, num_ssa_names); + n_const_val = num_ssa_names; + const_val = XCNEWVEC (prop_value_t, n_const_val); /* Initialize simulation flags for PHI nodes and statements. */ FOR_EACH_BB (bb) |