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| author | Neil Booth <neil@daikokuya.demon.co.uk> | 2002-02-02 18:56:37 +0000 |
|---|---|---|
| committer | Neil Booth <neil@gcc.gnu.org> | 2002-02-02 18:56:37 +0000 |
| commit | 0fef3fd0eada944c2677ba0680393a12979f970f (patch) | |
| tree | 955327bc9f9ac1f86814b649a8e7be4427abe84a /gcc/cpplex.c | |
| parent | 1acce4c771ff585069a1551fe1a6d0bf70fdda52 (diff) | |
| download | gcc-0fef3fd0eada944c2677ba0680393a12979f970f.zip gcc-0fef3fd0eada944c2677ba0680393a12979f970f.tar.gz gcc-0fef3fd0eada944c2677ba0680393a12979f970f.tar.bz2 | |
cpphash.h (struct spec_nodes): Remove n__CHAR_UNSIGNED__.
* cpphash.h (struct spec_nodes): Remove n__CHAR_UNSIGNED__.
* cpphash.c (_cpp_init_hashtable): Similarly.
* cppinit.c (cpp_create_reader): Default the signed_char flag.
(init_builtins): Define __CHAR_UNSIGNED__ appropriately.
(COMMAND_LINE_OPTIONS): Recognise -f{un,}signed-char.
(cpp_handle_option): Handle the new options.
* cpplex.c (cpp_interpret_charconst): Use new flag.
* cpplib.h (struct cpp_options): New member signed_char.
* gcc.c (cpp_unique_options): Remove %c spec and documentation.
(cpp_options): Handle -fsigned-char and -funsigned-char.
(static_specs): Remove signed_char_spec.
(do_spec1): Don't handle %c.
* system.h: Poison SIGNED_CHAR_SPEC.
* tradcif.y (yylex): Use flag_signed_char.
* tradcpp.h (flag_signed_char): New.
* tradcpp.c (flag_signed_char): New.
(main): Handle new command-line options.
(initialize_builtins): Define __CHAR_UNSIGNED__ if appropriate.
config:
* alpha/alpha.h (SIGNED_CHAR_SPEC): Remove.
* avr/avr.h: Remove old comments.
* i960/i960.h (CPP_SPEC): Pass -fsigned-char if -mic*.
(CC1_SPEC): Pass -fsigned-char if -mic*.
(SIGNED_CHAR_SPEC): Remove.
doc:
* tm.texi (SIGNED_CHAR_SPEC): Remove documentation.
testsuite:
* gcc.dg/cpp/uchar-1.c, uchar-2.c, uchar-3.c: New tests.
From-SVN: r49444
Diffstat (limited to 'gcc/cpplex.c')
| -rw-r--r-- | gcc/cpplex.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/gcc/cpplex.c b/gcc/cpplex.c index 8465350..70e6280 100644 --- a/gcc/cpplex.c +++ b/gcc/cpplex.c @@ -1903,14 +1903,13 @@ cpp_interpret_charconst (pfile, token, warn_multi, traditional, pchars_seen) else if (chars_seen > 1 && !traditional && warn_multi) cpp_warning (pfile, "multi-character character constant"); - /* If char type is signed, sign-extend the constant. The - __CHAR_UNSIGNED__ macro is set by the driver if appropriate. */ + /* If char type is signed, sign-extend the constant. */ if (token->type == CPP_CHAR && chars_seen) { unsigned int nbits = chars_seen * width; mask = (unsigned HOST_WIDE_INT) ~0 >> (HOST_BITS_PER_WIDE_INT - nbits); - if (pfile->spec_nodes.n__CHAR_UNSIGNED__->type == NT_MACRO + if (CPP_OPTION (pfile, signed_char) == 0 || ((result >> (nbits - 1)) & 1) == 0) result &= mask; else |