diff options
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/gcc/function.c b/gcc/function.c index d1d2edb..1a09ff0 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -79,6 +79,8 @@ along with GCC; see the file COPYING3. If not see #include "tree-ssa.h" #include "stringpool.h" #include "attribs.h" +#include "gimple.h" +#include "options.h" /* So we can assign to cfun in this file. */ #undef cfun @@ -3993,7 +3995,7 @@ gimplify_parm_type (tree *tp, int *walk_subtrees, void *data) statements to add to the beginning of the function. */ gimple_seq -gimplify_parameters (void) +gimplify_parameters (gimple_seq *cleanup) { struct assign_parm_data_all all; tree parm; @@ -4058,6 +4060,16 @@ gimplify_parameters (void) else if (TREE_CODE (type) == COMPLEX_TYPE || TREE_CODE (type) == VECTOR_TYPE) DECL_GIMPLE_REG_P (local) = 1; + + if (!is_gimple_reg (local) + && flag_stack_reuse != SR_NONE) + { + tree clobber = build_constructor (type, NULL); + gimple *clobber_stmt; + TREE_THIS_VOLATILE (clobber) = 1; + clobber_stmt = gimple_build_assign (local, clobber); + gimple_seq_add_stmt (cleanup, clobber_stmt); + } } else { |