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| author | Kaveh R. Ghazi <ghazi@caip.rutgers.edu> | 2000-11-27 05:00:06 +0000 |
|---|---|---|
| committer | Kaveh Ghazi <ghazi@gcc.gnu.org> | 2000-11-27 05:00:06 +0000 |
| commit | da9e9f0862f6ba1c843d2241329a368b509a450b (patch) | |
| tree | 415bfe1eb788d734afb9ccfea25ebbb397482eff /gcc/c-common.c | |
| parent | 231db5f4ec6703b6b9a931fa37c0eab18d4d49d8 (diff) | |
| download | gcc-da9e9f0862f6ba1c843d2241329a368b509a450b.zip gcc-da9e9f0862f6ba1c843d2241329a368b509a450b.tar.gz gcc-da9e9f0862f6ba1c843d2241329a368b509a450b.tar.bz2 | |
builtins.c (expand_builtin_strncmp, [...]): New functions.
* builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New
functions.
(expand_builtin): Handle BUILT_IN_STRNCPY and BUILT_IN_STRNCMP.
* builtins.def (BUILT_IN_STRNCPY, BUILT_IN_STRNCMP): New entries.
* c-common.c (c_common_nodes_and_builtins): Declare builtin
strncpy and strncmp.
* extend.texi (strncmp, strncpy): Document new builtins.
testsuite:
* gcc.c-torture/execute/string-opt-7.c: New test.
* gcc.c-torture/execute/string-opt-8.c: Likewise.
From-SVN: r37777
Diffstat (limited to 'gcc/c-common.c')
| -rw-r--r-- | gcc/c-common.c | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c index e839ae5..d59386d 100644 --- a/gcc/c-common.c +++ b/gcc/c-common.c @@ -4887,6 +4887,7 @@ c_common_nodes_and_builtins () tree int_ftype_cptr_cptr_sizet; tree int_ftype_string_string, string_ftype_ptr_ptr; tree string_ftype_string_int, string_ftype_string_string; + tree string_ftype_string_cstring_sizet, int_ftype_cstring_cstring_sizet; tree long_ftype_long; tree longlong_ftype_longlong; /* Either char* or void*. */ @@ -4987,6 +4988,14 @@ c_common_nodes_and_builtins () const_string_type_node, endlink))); + /* Prototype for strncpy. */ + string_ftype_string_cstring_sizet + = build_function_type (string_type_node, + tree_cons (NULL_TREE, string_type_node, + tree_cons (NULL_TREE, + const_string_type_node, + sizetype_endlink))); + traditional_len_type_node = ((flag_traditional && c_language != clk_cplusplus) ? integer_type_node : sizetype); @@ -5001,6 +5010,14 @@ c_common_nodes_and_builtins () const_string_type_node, endlink))); + /* Prototype for strncmp. */ + int_ftype_cstring_cstring_sizet + = build_function_type (integer_type_node, + tree_cons (NULL_TREE, const_string_type_node, + tree_cons (NULL_TREE, + const_string_type_node, + sizetype_endlink))); + /* Prototype for strstr, strpbrk, etc. */ string_ftype_string_string = build_function_type (string_type_node, @@ -5246,8 +5263,11 @@ c_common_nodes_and_builtins () BUILT_IN_INDEX, BUILT_IN_NORMAL, "index"); builtin_function ("__builtin_rindex", string_ftype_string_int, BUILT_IN_RINDEX, BUILT_IN_NORMAL, "rindex"); - builtin_function ("__builtin_strcmp", int_ftype_string_string, - BUILT_IN_STRCMP, BUILT_IN_NORMAL, "strcmp"); + built_in_decls[BUILT_IN_STRCMP] = + builtin_function ("__builtin_strcmp", int_ftype_string_string, + BUILT_IN_STRCMP, BUILT_IN_NORMAL, "strcmp"); + builtin_function ("__builtin_strncmp", int_ftype_cstring_cstring_sizet, + BUILT_IN_STRNCMP, BUILT_IN_NORMAL, "strncmp"); builtin_function ("__builtin_strstr", string_ftype_string_string, BUILT_IN_STRSTR, BUILT_IN_NORMAL, "strstr"); builtin_function ("__builtin_strpbrk", string_ftype_string_string, @@ -5259,6 +5279,8 @@ c_common_nodes_and_builtins () BUILT_IN_STRRCHR, BUILT_IN_NORMAL, "strrchr"); builtin_function ("__builtin_strcpy", string_ftype_ptr_ptr, BUILT_IN_STRCPY, BUILT_IN_NORMAL, "strcpy"); + builtin_function ("__builtin_strncpy", string_ftype_string_cstring_sizet, + BUILT_IN_STRNCPY, BUILT_IN_NORMAL, "strncpy"); builtin_function ("__builtin_strlen", strlen_ftype, BUILT_IN_STRLEN, BUILT_IN_NORMAL, "strlen"); builtin_function ("__builtin_sqrtf", float_ftype_float, @@ -5325,6 +5347,8 @@ c_common_nodes_and_builtins () BUILT_IN_NORMAL, NULL_PTR); builtin_function ("strcmp", int_ftype_string_string, BUILT_IN_STRCMP, BUILT_IN_NORMAL, NULL_PTR); + builtin_function ("strncmp", int_ftype_cstring_cstring_sizet, + BUILT_IN_STRNCMP, BUILT_IN_NORMAL, NULL_PTR); builtin_function ("strstr", string_ftype_string_string, BUILT_IN_STRSTR, BUILT_IN_NORMAL, NULL_PTR); builtin_function ("strchr", string_ftype_string_int, BUILT_IN_STRCHR, @@ -5335,6 +5359,8 @@ c_common_nodes_and_builtins () BUILT_IN_NORMAL, NULL_PTR); builtin_function ("strcpy", string_ftype_ptr_ptr, BUILT_IN_STRCPY, BUILT_IN_NORMAL, NULL_PTR); + builtin_function ("strncpy", string_ftype_string_cstring_sizet, + BUILT_IN_STRNCPY, BUILT_IN_NORMAL, NULL_PTR); builtin_function ("strlen", strlen_ftype, BUILT_IN_STRLEN, BUILT_IN_NORMAL, NULL_PTR); builtin_function ("sqrtf", float_ftype_float, BUILT_IN_FSQRT, |