diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/expr.c | 12 |
2 files changed, 18 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d3f281e..7634658 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2000-05-24 Alexandre Oliva <aoliva@cygnus.com> + + * expr.c (expand_assignment, store_expr, expand_expr, + expand_expr_unaligned): Set in_check_memory_usage while emitting + chkr_check_addr libcall. + 2000-05-24 Nick Clifton <nickc@cygnus.com> * fold-const.c (extract_muldiv): When constructing a @@ -3495,12 +3495,14 @@ expand_assignment (to, from, want_value, suggest_reg) size *= GET_MODE_SIZE (best_mode); /* Check the access right of the pointer. */ + in_check_memory_usage = 1; if (size) emit_library_call (chkr_check_addr_libfunc, 1, VOIDmode, 3, to_addr, Pmode, GEN_INT (size), TYPE_MODE (sizetype), GEN_INT (MEMORY_USE_WO), TYPE_MODE (integer_type_node)); + in_check_memory_usage = 0; } /* If this is a varying-length object, we must get the address of @@ -3877,6 +3879,7 @@ store_expr (exp, target, want_value) && GET_CODE (target) == MEM && AGGREGATE_TYPE_P (TREE_TYPE (exp))) { + in_check_memory_usage = 1; if (GET_CODE (temp) == MEM) emit_library_call (chkr_copy_bitmap_libfunc, 1, VOIDmode, 3, XEXP (target, 0), Pmode, @@ -3888,6 +3891,7 @@ store_expr (exp, target, want_value) expr_size (exp), TYPE_MODE (sizetype), GEN_INT (MEMORY_USE_WO), TYPE_MODE (integer_type_node)); + in_check_memory_usage = 0; } /* If value was not generated in the target, store it there. @@ -3991,12 +3995,14 @@ store_expr (exp, target, want_value) if (size != const0_rtx) { /* Be sure we can write on ADDR. */ + in_check_memory_usage = 1; if (current_function_check_memory_usage) emit_library_call (chkr_check_addr_libfunc, 1, VOIDmode, 3, addr, Pmode, size, TYPE_MODE (sizetype), GEN_INT (MEMORY_USE_WO), TYPE_MODE (integer_type_node)); + in_check_memory_usage = 0; clear_storage (gen_rtx_MEM (BLKmode, addr), size, align); } @@ -5919,6 +5925,7 @@ expand_expr (exp, target, tmode, modifier) enum memory_use_mode memory_usage; memory_usage = get_memory_usage_from_modifier (modifier); + in_check_memory_usage = 1; if (memory_usage != MEMORY_USE_DONT) emit_library_call (chkr_check_addr_libfunc, 1, VOIDmode, 3, XEXP (DECL_RTL (exp), 0), Pmode, @@ -5926,6 +5933,7 @@ expand_expr (exp, target, tmode, modifier) TYPE_MODE (sizetype), GEN_INT (memory_usage), TYPE_MODE (integer_type_node)); + in_check_memory_usage = 0; } /* ... fall through ... */ @@ -6755,6 +6763,7 @@ expand_expr (exp, target, tmode, modifier) size = (bitpos % BITS_PER_UNIT) + bitsize + BITS_PER_UNIT - 1; /* Check the access right of the pointer. */ + in_check_memory_usage = 1; if (size > BITS_PER_UNIT) emit_library_call (chkr_check_addr_libfunc, 1, VOIDmode, 3, to, Pmode, @@ -6762,6 +6771,7 @@ expand_expr (exp, target, tmode, modifier) TYPE_MODE (sizetype), GEN_INT (memory_usage), TYPE_MODE (integer_type_node)); + in_check_memory_usage = 0; } } @@ -8717,12 +8727,14 @@ expand_expr_unaligned (exp, palign) size = (bitpos % BITS_PER_UNIT) + bitsize + BITS_PER_UNIT - 1; /* Check the access right of the pointer. */ + in_check_memory_usage = 1; if (size > BITS_PER_UNIT) emit_library_call (chkr_check_addr_libfunc, 1, VOIDmode, 3, to, ptr_mode, GEN_INT (size / BITS_PER_UNIT), TYPE_MODE (sizetype), GEN_INT (MEMORY_USE_RO), TYPE_MODE (integer_type_node)); + in_check_memory_usage = 0; } /* In cases where an aligned union has an unaligned object |