diff options
Diffstat (limited to 'gcc/expr.h')
| -rw-r--r-- | gcc/expr.h | 94 |
1 files changed, 3 insertions, 91 deletions
diff --git a/gcc/expr.h b/gcc/expr.h index 7f1396d7d70..8319e25102b 100644 --- a/gcc/expr.h +++ b/gcc/expr.h @@ -68,58 +68,6 @@ enum memory_use_mode {MEMORY_USE_BAD = 0, MEMORY_USE_RO = 1, MEMORY_USE_WO = 2, MEMORY_USE_RW = 3, MEMORY_USE_TW = 6, MEMORY_USE_DONT = 99}; -/* List of labels that must never be deleted. */ -extern rtx forced_labels; - -/* List (chain of EXPR_LISTs) of pseudo-regs of SAVE_EXPRs. - So we can mark them all live at the end of the function, if stupid. */ -extern rtx save_expr_regs; - -/* Nonzero means __builtin_saveregs has already been done in this function. - The value is the pseudoreg containing the value __builtin_saveregs - returned. */ -extern rtx saveregs_value; - -/* Similarly for __builtin_apply_args. */ -extern rtx apply_args_value; - -extern int current_function_calls_alloca; -extern int current_function_outgoing_args_size; - -/* This is the offset from the arg pointer to the place where the first - anonymous arg can be found, if there is one. */ -extern rtx current_function_arg_offset_rtx; - -/* This is nonzero if the current function uses the constant pool. */ -extern int current_function_uses_const_pool; - -/* This is nonzero if the current function uses pic_offset_table_rtx. */ -extern int current_function_uses_pic_offset_table; - -/* The arg pointer hard register, or the pseudo into which it was copied. */ -extern rtx current_function_internal_arg_pointer; - -/* This is nonzero if memory access checking be enabled in the current - function. */ -extern int current_function_check_memory_usage; - -/* Under some ABIs, it is the caller's responsibility to pop arguments - pushed for function calls. A naive implementation would simply pop - the arguments immediately after each call. However, if several - function calls are made in a row, it is typically cheaper to pop - all the arguments after all of the calls are complete since a - single pop instruction can be used. Therefore, GCC attempts to - defer popping the arguments until absolutely necessary. (For - example, at the end of a conditional, the arguments must be popped, - since code outside the conditional won't know whether or not the - arguments need to be popped.) - - When INHIBIT_DEFER_POP is non-zero, however, the compiler does not - attempt to defer pops. Instead, the stack is popped immediately - after each call. Rather then setting this variable directly, use - NO_DEFER_POP and OK_DEFER_POP. */ -extern int inhibit_defer_pop; - /* Prevent the compiler from deferring stack pops. See inhibit_defer_pop for more information. */ #define NO_DEFER_POP (inhibit_defer_pop += 1) @@ -127,45 +75,6 @@ extern int inhibit_defer_pop; /* Allow the compiler to defer stack pops. See inhibit_defer_pop for more information. */ #define OK_DEFER_POP (inhibit_defer_pop -= 1) - -/* Number of function calls seen so far in current function. */ - -extern int function_call_count; - -/* List (chain of EXPR_LIST) of stack slots that hold the current handlers - for nonlocal gotos. There is one for every nonlocal label in the function; - this list matches the one in nonlocal_labels. - Zero when function does not have nonlocal labels. */ - -extern rtx nonlocal_goto_handler_slots; - -/* RTX for stack slot that holds the stack pointer value to restore - for a nonlocal goto. - Zero when function does not have nonlocal labels. */ - -extern rtx nonlocal_goto_stack_level; - -/* List (chain of TREE_LIST) of LABEL_DECLs for all nonlocal labels - (labels to which there can be nonlocal gotos from nested functions) - in this function. */ - -#ifdef TREE_CODE /* Don't lose if tree.h not included. */ -extern tree nonlocal_labels; -#endif - -/* Number of units that we should eventually pop off the stack. - These are the arguments to function calls that have already returned. */ -extern int pending_stack_adjust; - -/* When temporaries are created by TARGET_EXPRs, they are created at - this level of temp_slot_level, so that they can remain allocated - until no longer needed. CLEANUP_POINT_EXPRs define the lifetime - of TARGET_EXPRs. */ -extern int target_temp_slot_level; - -/* Current level for normal temporaries. */ - -extern int temp_slot_level; #ifdef TREE_CODE /* Don't lose if tree.h not included. */ /* Structure to record the size of a sequence of arguments @@ -756,6 +665,9 @@ extern void init_expr_once PROTO((void)); /* This is run at the start of compiling a function. */ extern void init_expr PROTO((void)); +/* This is run at the end of compiling a function. */ +extern void finish_expr_for_function PROTO((void)); + /* Use protect_from_queue to convert a QUEUED expression into something that you can put immediately into an instruction. */ extern rtx protect_from_queue PROTO((rtx, int)); |