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| author | aoliva <aoliva@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-03-22 00:40:44 +0000 |
|---|---|---|
| committer | aoliva <aoliva@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-03-22 00:40:44 +0000 |
| commit | 9d96125bd92098816efc0ff2f478c8555be7bfad (patch) | |
| tree | 7b5c6d97adab6e033ff6faffa54cbc4e7d09046e /gcc/real.h | |
| parent | 5341656c2cb3e3b2c0ad745457e83ff9b1cb70b0 (diff) | |
| download | gcc-9d96125bd92098816efc0ff2f478c8555be7bfad.tar.gz | |
* real.h (struct real_value): Use the same type for all
bitfields. Rename exp to uexp.
(REAL_EXP, SET_REAL_EXP): New accessor macros for uexp.
Adjust all uses of exp...
* builtins.c: ... here, ...
* emit-rtl.c: ... here, and ...
* real.c: ... and here.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@79802 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/real.h')
| -rw-r--r-- | gcc/real.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/gcc/real.h b/gcc/real.h index 3ff0356bd65..475ab4563fe 100644 --- a/gcc/real.h +++ b/gcc/real.h @@ -42,14 +42,23 @@ enum real_value_class { struct real_value GTY(()) { - ENUM_BITFIELD (real_value_class) class : 2; + /* Use the same underlying type for all bit-fields, so as to make + sure they're packed together, otherwise REAL_VALUE_TYPE_SIZE will + be miscomputed. */ + unsigned int /* ENUM_BITFIELD (real_value_class) */ class : 2; unsigned int sign : 1; unsigned int signalling : 1; unsigned int canonical : 1; - signed int exp : EXP_BITS; + unsigned int uexp : EXP_BITS; unsigned long sig[SIGSZ]; }; +#define REAL_EXP(REAL) \ + ((int)((REAL)->uexp ^ (unsigned int)(1 << (EXP_BITS - 1))) \ + - (1 << (EXP_BITS - 1))) +#define SET_REAL_EXP(REAL, EXP) \ + ((REAL)->uexp = ((unsigned int)(EXP) & (unsigned int)((1 << EXP_BITS) - 1))) + /* Various headers condition prototypes on #ifdef REAL_VALUE_TYPE, so it needs to be a macro. We do need to continue to have a structure tag so that other headers can forward declare it. */ |