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| author | aldyh <aldyh@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-12-08 22:34:54 +0000 |
|---|---|---|
| committer | aldyh <aldyh@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-12-08 22:34:54 +0000 |
| commit | acb6974b515c92407da21555c369d5618ea9c755 (patch) | |
| tree | bb7979ef02dfccc51f11263c3f2803727502419e /gcc/c-parse.in | |
| parent | 251d2bf117cbb537bcaf98659686af690279fc95 (diff) | |
| download | gcc-acb6974b515c92407da21555c369d5618ea9c755.tar.gz | |
* c-common.h (rid): Add RID_CHOOSE_EXPR and
RID_TYPES_COMPATIBLE_P.
* c-parse.in (reswords): Add __builtin_choose_expr.
Add __builtin_types_compatible_p.
Add CHOOSE_EXPR token.
Add TYPES_COMPATIBLE_P token.
Add production for CHOOSE_EXPR.
Add production for TYPES_COMPATIBLE_P.
* doc/extend.texi (__builtin_choose_expr): Add documentation.
(__builtin_types_compatible_p): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@47798 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/c-parse.in')
| -rw-r--r-- | gcc/c-parse.in | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/gcc/c-parse.in b/gcc/c-parse.in index 324300d00e8..84d1c0214b3 100644 --- a/gcc/c-parse.in +++ b/gcc/c-parse.in @@ -110,7 +110,7 @@ end ifobjc %token SIZEOF ENUM STRUCT UNION IF ELSE WHILE DO FOR SWITCH CASE DEFAULT %token BREAK CONTINUE RETURN GOTO ASM_KEYWORD TYPEOF ALIGNOF %token ATTRIBUTE EXTENSION LABEL -%token REALPART IMAGPART VA_ARG +%token REALPART IMAGPART VA_ARG CHOOSE_EXPR TYPES_COMPATIBLE_P %token PTR_VALUE PTR_BASE PTR_EXTENT /* function name can be a string const or a var decl. */ @@ -664,6 +664,26 @@ primary: { $$ = build_function_call ($1, $3); } | VA_ARG '(' expr_no_commas ',' typename ')' { $$ = build_va_arg ($3, groktypename ($5)); } + | CHOOSE_EXPR '(' expr_no_commas ',' expr_no_commas ',' expr_no_commas ')' + { + tree c; + + c = fold ($3); + STRIP_NOPS (c); + if (TREE_CODE (c) != INTEGER_CST) + error ("first argument to __builtin_choose_expr not a constant"); + $$ = integer_zerop (c) ? $7 : $5; + } + | TYPES_COMPATIBLE_P '(' typename ',' typename ')' + { + tree e1, e2; + + e1 = TYPE_MAIN_VARIANT (groktypename ($3)); + e2 = TYPE_MAIN_VARIANT (groktypename ($5)); + + $$ = comptypes (e1, e2) + ? build_int_2 (1, 0) : build_int_2 (0, 0); + } | primary '[' expr ']' %prec '.' { $$ = build_array_ref ($1, $3); } | primary '.' identifier @@ -3218,6 +3238,8 @@ static const struct resword reswords[] = { "__attribute__", RID_ATTRIBUTE, 0 }, { "__bounded", RID_BOUNDED, 0 }, { "__bounded__", RID_BOUNDED, 0 }, + { "__builtin_choose_expr", RID_CHOOSE_EXPR, 0 }, + { "__builtin_types_compatible_p", RID_TYPES_COMPATIBLE_P, 0 }, { "__builtin_va_arg", RID_VA_ARG, 0 }, { "__complex", RID_COMPLEX, 0 }, { "__complex__", RID_COMPLEX, 0 }, @@ -3390,6 +3412,9 @@ static const short rid_to_yy[RID_MAX] = /* RID_PTREXTENT */ PTR_EXTENT, /* RID_PTRVALUE */ PTR_VALUE, + /* RID_CHOOSE_EXPR */ CHOOSE_EXPR, + /* RID_TYPES_COMPATIBLE_P */ TYPES_COMPATIBLE_P, + /* RID_FUNCTION_NAME */ STRING_FUNC_NAME, /* RID_PRETTY_FUNCTION_NAME */ STRING_FUNC_NAME, /* RID_C99_FUNCTION_NAME */ VAR_FUNC_NAME, |