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| author | Nathan Froyd <froydnj@codesourcery.com> | 2010-10-23 03:05:47 +0000 |
|---|---|---|
| committer | Nathan Froyd <froydnj@gcc.gnu.org> | 2010-10-23 03:05:47 +0000 |
| commit | 18ed6ee4bf95a6d02ff34e0dfa279e8c9a1179a8 (patch) | |
| tree | 3d3cfc3c02f0c38bb0e407da7fd4e15a6393c11b /gcc/cppbuiltin.c | |
| parent | 646e6f415ca6b02142132ebb82c8b11f08d2464f (diff) | |
| download | gcc-18ed6ee4bf95a6d02ff34e0dfa279e8c9a1179a8.tar.gz | |
cppbuiltin.c (define_builtin_macros_for_type_sizes): Define __BYTE_ORDER__...
gcc/
* cppbuiltin.c (define_builtin_macros_for_type_sizes): Define
__BYTE_ORDER__, __ORDER_LITTLE_ENDIAN__, __ORDER_BIG_ENDIAN__, and
__ORDER_PDP_ENDIAN__.
* libgcc2.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
(struct DWstruct): Define based on __BYTE_ORDER__.
* config/fixed-bit.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
(struct INTstruct): Define based on __BYTE_ORDER__.
* config/dfp-bit.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
(LIBGCC2_FLOAT_WORDS_BIG_ENDIAN): Test __BYTE_ORDER__.
* system.h (LIBGCC2_WORDS_BIG_ENDIAN): Poison identifier.
* config/arc/arc.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
* config/arm/arm.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
* config/ia64/ia64.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
* config/iq2000/iq2000.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
* config/lm32/lm32.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
* config/m32r/m32r.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
* config/mcore/mcore.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
* config/mep/mep.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
* config/mips/mips.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
* config/rs6000/sysv4.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
* config/rx/rx.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
* config/score/score.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
* config/sh/sh.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
* config/sparc/sparc.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
* config/xtensa/xtensa.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
* doc/tm.texi.in (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
* doc/tm.texi: Regenerate.
* doc/cpp.texi (__BYTE_ORDER__, __ORDER_LITTLE_ENDIAN__): Document.
(__ORDER_BIG_ENDIAN__, __ORDER_PDP_ENDIAN__): Likewise.
libdecnumber/
* dconfig.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
(LIBGCC2_FLOAT_WORDS_BIG_ENDIAN): Test __BYTE_ORDER__.
libgcc/
* config/libbid/bid_gcc_intrinsics.h (LIBGCC2_WORDS_BIG_ENDIAN):
Delete.
(LIBGCC2_FLOAT_WORDS_BIG_ENDIAN): Test __BYTE_ORDER__.
From-SVN: r165881
Diffstat (limited to 'gcc/cppbuiltin.c')
| -rw-r--r-- | gcc/cppbuiltin.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/cppbuiltin.c b/gcc/cppbuiltin.c index 89b0f418be6..7ac4071c322 100644 --- a/gcc/cppbuiltin.c +++ b/gcc/cppbuiltin.c @@ -138,6 +138,24 @@ define_builtin_macros_for_type_sizes (cpp_reader *pfile) cpp_define_formatted (pfile, "__BIGGEST_ALIGNMENT__=%d", BIGGEST_ALIGNMENT / BITS_PER_UNIT); + /* Define constants useful for implementing endian.h. */ + cpp_define (pfile, "__ORDER_LITTLE_ENDIAN__=1234"); + cpp_define (pfile, "__ORDER_BIG_ENDIAN__=4321"); + cpp_define (pfile, "__ORDER_PDP_ENDIAN__=3412"); + + if (WORDS_BIG_ENDIAN == BYTES_BIG_ENDIAN) + cpp_define_formatted (pfile, "__BYTE_ORDER__=%s", + (WORDS_BIG_ENDIAN + ? "__ORDER_BIG_ENDIAN__" + : "__ORDER_LITTLE_ENDIAN__")); + else + { + /* Assert that we're only dealing with the PDP11 case. */ + gcc_assert (!BYTES_BIG_ENDIAN && WORDS_BIG_ENDIAN); + + cpp_define (pfile, "__BYTE_ORDER__=__ORDER_PDP_ENDIAN__"); + } + /* ptr_type_node can't be used here since ptr_mode is only set when toplev calls backend_init which is not done with -E switch. */ cpp_define_formatted (pfile, "__SIZEOF_POINTER__=%d", |