diff options
Diffstat (limited to 'gcc/calls.c')
| -rw-r--r-- | gcc/calls.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/gcc/calls.c b/gcc/calls.c index c50a792..7b6d113 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -1095,9 +1095,13 @@ initialize_argument_information (int num_actuals ATTRIBUTE_UNUSED, pending_stack_adjust = 0; } + /* We can pass TRUE as the 4th argument because we just + saved the stack pointer and will restore it right after + the call. */ copy = gen_rtx_MEM (BLKmode, allocate_dynamic_stack_space - (size_rtx, NULL_RTX, TYPE_ALIGN (type))); + (size_rtx, NULL_RTX, + TYPE_ALIGN (type), TRUE)); set_mem_attributes (copy, type, 1); } else @@ -2492,6 +2496,8 @@ expand_call (tree exp, rtx target, int ignore) stack_arg_under_construction = 0; } argblock = push_block (ARGS_SIZE_RTX (adjusted_args_size), 0, 0); + if (flag_stack_usage) + current_function_has_unbounded_dynamic_stack_size = 1; } else { @@ -2653,8 +2659,11 @@ expand_call (tree exp, rtx target, int ignore) stack_usage_map = stack_usage_map_buf; highest_outgoing_arg_in_use = 0; } + /* We can pass TRUE as the 4th argument because we just + saved the stack pointer and will restore it right after + the call. */ allocate_dynamic_stack_space (push_size, NULL_RTX, - BITS_PER_UNIT); + BITS_PER_UNIT, TRUE); } /* If argument evaluation might modify the stack pointer, @@ -2694,6 +2703,19 @@ expand_call (tree exp, rtx target, int ignore) be deferred during the evaluation of the arguments. */ NO_DEFER_POP; + /* Record the maximum pushed stack space size. We need to delay + doing it this far to take into account the optimization done + by combine_pending_stack_adjustment_and_call. */ + if (flag_stack_usage + && !ACCUMULATE_OUTGOING_ARGS + && pass + && adjusted_args_size.var == 0) + { + int pushed = adjusted_args_size.constant + pending_stack_adjust; + if (pushed > current_function_pushed_stack_size) + current_function_pushed_stack_size = pushed; + } + funexp = rtx_for_function_call (fndecl, addr); /* Figure out the register where the value, if any, will come back. */ @@ -3551,6 +3573,13 @@ emit_library_call_value_1 (int retval, rtx orgfun, rtx value, if (args_size.constant > crtl->outgoing_args_size) crtl->outgoing_args_size = args_size.constant; + if (flag_stack_usage && !ACCUMULATE_OUTGOING_ARGS) + { + int pushed = args_size.constant + pending_stack_adjust; + if (pushed > current_function_pushed_stack_size) + current_function_pushed_stack_size = pushed; + } + if (ACCUMULATE_OUTGOING_ARGS) { /* Since the stack pointer will never be pushed, it is possible for |