diff options
Diffstat (limited to 'gcc/gimple.c')
| -rw-r--r-- | gcc/gimple.c | 57 |
1 files changed, 5 insertions, 52 deletions
diff --git a/gcc/gimple.c b/gcc/gimple.c index 67730bc..d3451ac 100644 --- a/gcc/gimple.c +++ b/gcc/gimple.c @@ -28,9 +28,13 @@ along with GCC; see the file COPYING3. If not see #include "calls.h" #include "stmt.h" #include "stor-layout.h" -#include "ggc.h" #include "hard-reg-set.h" #include "basic-block.h" +#include "tree-ssa-alias.h" +#include "internal-fn.h" +#include "tree-eh.h" +#include "gimple-expr.h" +#include "is-a.h" #include "gimple.h" #include "gimple-iterator.h" #include "gimple-walk.h" @@ -1950,57 +1954,6 @@ const unsigned char gimple_rhs_class_table[] = { #undef DEFTREECODE #undef END_OF_BASE_TREE_CODES -void -recalculate_side_effects (tree t) -{ - enum tree_code code = TREE_CODE (t); - int len = TREE_OPERAND_LENGTH (t); - int i; - - switch (TREE_CODE_CLASS (code)) - { - case tcc_expression: - switch (code) - { - case INIT_EXPR: - case MODIFY_EXPR: - case VA_ARG_EXPR: - case PREDECREMENT_EXPR: - case PREINCREMENT_EXPR: - case POSTDECREMENT_EXPR: - case POSTINCREMENT_EXPR: - /* All of these have side-effects, no matter what their - operands are. */ - return; - - default: - break; - } - /* Fall through. */ - - case tcc_comparison: /* a comparison expression */ - case tcc_unary: /* a unary arithmetic expression */ - case tcc_binary: /* a binary arithmetic expression */ - case tcc_reference: /* a reference */ - case tcc_vl_exp: /* a function call */ - TREE_SIDE_EFFECTS (t) = TREE_THIS_VOLATILE (t); - for (i = 0; i < len; ++i) - { - tree op = TREE_OPERAND (t, i); - if (op && TREE_SIDE_EFFECTS (op)) - TREE_SIDE_EFFECTS (t) = 1; - } - break; - - case tcc_constant: - /* No side-effects. */ - return; - - default: - gcc_unreachable (); - } -} - /* Canonicalize a tree T for use in a COND_EXPR as conditional. Returns a canonicalized tree that is valid for a COND_EXPR or NULL_TREE, if we failed to create one. */ |