diff options
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 77 |
1 files changed, 9 insertions, 68 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index 6785ce54658..68df170b600 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -1617,13 +1617,6 @@ expand_builtin_strlen (exp, target) source operand later. */ before_strlen = get_last_insn(); - /* Check the string is readable and has an end. */ - if (current_function_check_memory_usage) - emit_library_call (chkr_check_str_libfunc, LCT_CONST_MAKE_BLOCK, - VOIDmode, 2, src_reg, Pmode, - GEN_INT (MEMORY_USE_RO), - TYPE_MODE (integer_type_node)); - char_rtx = const0_rtx; char_mode = insn_data[(int) icode].operand[2].mode; if (! (*insn_data[(int) icode].operand[2].predicate) (char_rtx, @@ -1672,8 +1665,7 @@ expand_builtin_strstr (arglist, target, mode) rtx target; enum machine_mode mode; { - if (!validate_arglist (arglist, POINTER_TYPE, POINTER_TYPE, VOID_TYPE) - || current_function_check_memory_usage) + if (!validate_arglist (arglist, POINTER_TYPE, POINTER_TYPE, VOID_TYPE)) return 0; else { @@ -1729,8 +1721,7 @@ expand_builtin_strchr (arglist, target, mode) rtx target; enum machine_mode mode; { - if (!validate_arglist (arglist, POINTER_TYPE, INTEGER_TYPE, VOID_TYPE) - || current_function_check_memory_usage) + if (!validate_arglist (arglist, POINTER_TYPE, INTEGER_TYPE, VOID_TYPE)) return 0; else { @@ -1776,8 +1767,7 @@ expand_builtin_strrchr (arglist, target, mode) rtx target; enum machine_mode mode; { - if (!validate_arglist (arglist, POINTER_TYPE, INTEGER_TYPE, VOID_TYPE) - || current_function_check_memory_usage) + if (!validate_arglist (arglist, POINTER_TYPE, INTEGER_TYPE, VOID_TYPE)) return 0; else { @@ -1831,8 +1821,7 @@ expand_builtin_strpbrk (arglist, target, mode) rtx target; enum machine_mode mode; { - if (!validate_arglist (arglist, POINTER_TYPE, POINTER_TYPE, VOID_TYPE) - || current_function_check_memory_usage) + if (!validate_arglist (arglist, POINTER_TYPE, POINTER_TYPE, VOID_TYPE)) return 0; else { @@ -1939,7 +1928,6 @@ expand_builtin_memcpy (arglist) by pieces, we can avoid loading the string from memory and only stored the computed constants. */ if (src_str - && !current_function_check_memory_usage && GET_CODE (len_rtx) == CONST_INT && (unsigned HOST_WIDE_INT) INTVAL (len_rtx) <= strlen (src_str) + 1 && can_store_by_pieces (INTVAL (len_rtx), builtin_memcpy_read_str, @@ -1954,13 +1942,6 @@ expand_builtin_memcpy (arglist) src_mem = get_memory_rtx (src); set_mem_align (src_mem, src_align); - /* Just copy the rights of SRC to the rights of DEST. */ - if (current_function_check_memory_usage) - emit_library_call (chkr_copy_bitmap_libfunc, LCT_CONST_MAKE_BLOCK, - VOIDmode, 3, XEXP (dest_mem, 0), Pmode, - XEXP (src_mem, 0), Pmode, - len_rtx, TYPE_MODE (sizetype)); - /* Copy word part most expediently. */ dest_addr = emit_block_move (dest_mem, src_mem, len_rtx); @@ -2143,10 +2124,9 @@ expand_builtin_memset (exp) { if (!host_integerp (len, 1)) return 0; - if (current_function_check_memory_usage - || !can_store_by_pieces (tree_low_cst (len, 1), - builtin_memset_read_str, - (PTR) &c, dest_align)) + if (!can_store_by_pieces (tree_low_cst (len, 1), + builtin_memset_read_str, (PTR) &c, + dest_align)) return 0; dest_mem = get_memory_rtx (dest); @@ -2160,16 +2140,6 @@ expand_builtin_memset (exp) dest_mem = get_memory_rtx (dest); set_mem_align (dest_mem, dest_align); - - /* Just check DST is writable and mark it as readable. */ - if (current_function_check_memory_usage) - emit_library_call (chkr_check_addr_libfunc, LCT_CONST_MAKE_BLOCK, - VOIDmode, 3, XEXP (dest_mem, 0), Pmode, - len_rtx, TYPE_MODE (sizetype), - GEN_INT (MEMORY_USE_WO), - TYPE_MODE (integer_type_node)); - - dest_addr = clear_storage (dest_mem, len_rtx); if (dest_addr == 0) @@ -2225,10 +2195,6 @@ expand_builtin_memcmp (exp, arglist, target) tree arglist; rtx target; { - /* If we need to check memory accesses, call the library function. */ - if (current_function_check_memory_usage) - return 0; - if (!validate_arglist (arglist, POINTER_TYPE, POINTER_TYPE, INTEGER_TYPE, VOID_TYPE)) return 0; @@ -2309,10 +2275,6 @@ expand_builtin_strcmp (exp, target, mode) tree arg1, arg2; const char *p1, *p2; - /* If we need to check memory accesses, call the library function. */ - if (current_function_check_memory_usage) - return 0; - if (!validate_arglist (arglist, POINTER_TYPE, POINTER_TYPE, VOID_TYPE)) return 0; @@ -2414,10 +2376,6 @@ expand_builtin_strncmp (exp, target, mode) tree arg1, arg2, arg3; const char *p1, *p2; - /* If we need to check memory accesses, call the library function. */ - if (current_function_check_memory_usage) - return 0; - if (!validate_arglist (arglist, POINTER_TYPE, POINTER_TYPE, INTEGER_TYPE, VOID_TYPE)) return 0; @@ -2518,10 +2476,6 @@ expand_builtin_strcat (arglist, target, mode) rtx target; enum machine_mode mode; { - /* If we need to check memory accesses, call the library function. */ - if (current_function_check_memory_usage) - return 0; - if (!validate_arglist (arglist, POINTER_TYPE, POINTER_TYPE, VOID_TYPE)) return 0; else @@ -2548,10 +2502,6 @@ expand_builtin_strncat (arglist, target, mode) rtx target; enum machine_mode mode; { - /* If we need to check memory accesses, call the library function. */ - if (current_function_check_memory_usage) - return 0; - if (!validate_arglist (arglist, POINTER_TYPE, POINTER_TYPE, INTEGER_TYPE, VOID_TYPE)) return 0; @@ -2605,10 +2555,6 @@ expand_builtin_strspn (arglist, target, mode) rtx target; enum machine_mode mode; { - /* If we need to check memory accesses, call the library function. */ - if (current_function_check_memory_usage) - return 0; - if (!validate_arglist (arglist, POINTER_TYPE, POINTER_TYPE, VOID_TYPE)) return 0; else @@ -2646,10 +2592,6 @@ expand_builtin_strcspn (arglist, target, mode) rtx target; enum machine_mode mode; { - /* If we need to check memory accesses, call the library function. */ - if (current_function_check_memory_usage) - return 0; - if (!validate_arglist (arglist, POINTER_TYPE, POINTER_TYPE, VOID_TYPE)) return 0; else @@ -2791,7 +2733,7 @@ expand_builtin_args_info (exp) TREE_STATIC (result) = 1; result = build1 (INDIRECT_REF, build_pointer_type (type), result); TREE_CONSTANT (result) = 1; - return expand_expr (result, NULL_RTX, VOIDmode, EXPAND_MEMORY_USE_BAD); + return expand_expr (result, NULL_RTX, VOIDmode, 0); #endif } @@ -3280,8 +3222,7 @@ expand_builtin_fputs (arglist, ignore) return 0; /* Verify the arguments in the original call. */ - if (!validate_arglist (arglist, POINTER_TYPE, POINTER_TYPE, VOID_TYPE) - || current_function_check_memory_usage) + if (!validate_arglist (arglist, POINTER_TYPE, POINTER_TYPE, VOID_TYPE)) return 0; /* Get the length of the string passed to fputs. If the length |