diff options
Diffstat (limited to 'gcc/c-common.c')
| -rw-r--r-- | gcc/c-common.c | 59 |
1 files changed, 53 insertions, 6 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c index 72fd8466df7..39868e88659 100644 --- a/gcc/c-common.c +++ b/gcc/c-common.c @@ -1606,12 +1606,36 @@ c_common_type_for_mode (enum machine_mode mode, int unsignedp) return void_type_node; if (mode == TYPE_MODE (build_pointer_type (char_type_node))) - return unsignedp ? make_unsigned_type (mode) : make_signed_type (mode); + return (unsignedp + ? make_unsigned_type (GET_MODE_PRECISION (mode)) + : make_signed_type (GET_MODE_PRECISION (mode))); if (mode == TYPE_MODE (build_pointer_type (integer_type_node))) - return unsignedp ? make_unsigned_type (mode) : make_signed_type (mode); + return (unsignedp + ? make_unsigned_type (GET_MODE_PRECISION (mode)) + : make_signed_type (GET_MODE_PRECISION (mode))); - if (VECTOR_MODE_P (mode)) + if (COMPLEX_MODE_P (mode)) + { + enum machine_mode inner_mode; + tree inner_type; + + if (mode == TYPE_MODE (complex_float_type_node)) + return complex_float_type_node; + if (mode == TYPE_MODE (complex_double_type_node)) + return complex_double_type_node; + if (mode == TYPE_MODE (complex_long_double_type_node)) + return complex_long_double_type_node; + + if (mode == TYPE_MODE (complex_integer_type_node) && !unsignedp) + return complex_integer_type_node; + + inner_mode = GET_MODE_INNER (mode); + inner_type = c_common_type_for_mode (inner_mode, unsignedp); + if (inner_type != NULL_TREE) + return build_complex_type (inner_type); + } + else if (VECTOR_MODE_P (mode)) { enum machine_mode inner_mode = GET_MODE_INNER (mode); tree inner_type = c_common_type_for_mode (inner_mode, unsignedp); @@ -3199,9 +3223,9 @@ c_common_nodes_and_builtins (void) c_init_attributes (); -#define DEF_BUILTIN(ENUM, NAME, CLASS, TYPE, LIBTYPE, \ - BOTH_P, FALLBACK_P, NONANSI_P, ATTRS, IMPLICIT) \ - if (NAME) \ +#define DEF_BUILTIN(ENUM, NAME, CLASS, TYPE, LIBTYPE, BOTH_P, FALLBACK_P, \ + NONANSI_P, ATTRS, IMPLICIT, COND) \ + if (NAME && COND) \ { \ tree decl; \ \ @@ -3234,6 +3258,8 @@ c_common_nodes_and_builtins (void) #include "builtins.def" #undef DEF_BUILTIN + build_common_builtin_nodes (); + targetm.init_builtins (); if (flag_mudflap) mudflap_init (); @@ -5598,6 +5624,27 @@ c_warn_unused_result (tree *top_p) } } +/* Convert a character from the host to the target execution character + set. cpplib handles this, mostly. */ + +HOST_WIDE_INT +c_common_to_target_charset (HOST_WIDE_INT c) +{ + /* Character constants in GCC proper are sign-extended under -fsigned-char, + zero-extended under -fno-signed-char. cpplib insists that characters + and character constants are always unsigned. Hence we must convert + back and forth. */ + cppchar_t uc = ((cppchar_t)c) & ((((cppchar_t)1) << CHAR_BIT)-1); + + uc = cpp_host_to_exec_charset (parse_in, uc); + + if (flag_signed_char) + return ((HOST_WIDE_INT)uc) << (HOST_BITS_PER_WIDE_INT - CHAR_TYPE_SIZE) + >> (HOST_BITS_PER_WIDE_INT - CHAR_TYPE_SIZE); + else + return uc; +} + /* Build the result of __builtin_offsetof. EXPR is a nested sequence of component references, with an INDIRECT_REF at the bottom; much like the traditional rendering of offsetof as a macro. Returns the folded |