diff options
Diffstat (limited to 'libdecnumber')
| -rw-r--r-- | libdecnumber/ChangeLog | 12 | ||||
| -rw-r--r-- | libdecnumber/decBasic.c | 12 | ||||
| -rw-r--r-- | libdecnumber/decDouble.h | 6 | ||||
| -rw-r--r-- | libdecnumber/decNumberLocal.h | 12 | ||||
| -rw-r--r-- | libdecnumber/decQuad.h | 6 | ||||
| -rw-r--r-- | libdecnumber/decSingle.h | 6 |
6 files changed, 38 insertions, 16 deletions
diff --git a/libdecnumber/ChangeLog b/libdecnumber/ChangeLog index a89179b..eec0866 100644 --- a/libdecnumber/ChangeLog +++ b/libdecnumber/ChangeLog @@ -1,3 +1,15 @@ +2008-10-27 Janis Johnson <janis187@us.ibm.com> + + PR other/37897 + * decDouble.h (decDouble): Replace struct with union accessible + by more types. + * decSingle.h (decSingle): Ditto. + * decQuad.h (decQuad): Ditto. + * decNumberLocal.h (DFWORD, DFBYTE, DFWWORD): access decFloat via + new members. + * decBasic.c (decFloatCompareTotal): Avoid type-pun violation. + (decNumberCompare): Ditto. + 2008-06-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> * Makefile.in ($(srcdir)/aclocal.m4): Update dependencies. diff --git a/libdecnumber/decBasic.c b/libdecnumber/decBasic.c index 9ce277d..fddba97 100644 --- a/libdecnumber/decBasic.c +++ b/libdecnumber/decBasic.c @@ -1660,8 +1660,10 @@ decFloat * decFloatCompareTotal(decFloat *result, /* decode the coefficients */ /* (shift both right two if Quad to make a multiple of four) */ #if QUAD - USHORTAT(bufl)=0; - USHORTAT(bufr)=0; + ub = bufl; /* avoid type-pun violation */ + USHORTAT(ub)=0; + uc = bufr; /* avoid type-pun violation */ + USHORTAT(uc)=0; #endif GETCOEFF(dfl, bufl+QUAD*2); /* decode from decFloat */ GETCOEFF(dfr, bufr+QUAD*2); /* .. */ @@ -3542,8 +3544,10 @@ static Int decNumCompare(const decFloat *dfl, const decFloat *dfr, Flag tot) { /* decode the coefficients */ /* (shift both right two if Quad to make a multiple of four) */ #if QUAD - UINTAT(bufl)=0; - UINTAT(bufr)=0; + ub=bufl; /* avoid type-pun violation */ + UINTAT(ub)=0; + uc=bufr; /* avoid type-pun violation */ + UINTAT(uc)=0; #endif GETCOEFF(dfl, bufl+QUAD*2); /* decode from decFloat */ GETCOEFF(dfr, bufr+QUAD*2); /* .. */ diff --git a/libdecnumber/decDouble.h b/libdecnumber/decDouble.h index 32eba39..53fcf40 100644 --- a/libdecnumber/decDouble.h +++ b/libdecnumber/decDouble.h @@ -58,9 +58,11 @@ #include "decContext.h" #include "decQuad.h" - /* The decDouble decimal 64-bit type, accessible by bytes */ - typedef struct { + /* The decDouble decimal 64-bit type, accessible by various types */ + typedef union { uint8_t bytes[DECDOUBLE_Bytes]; /* fields: 1, 5, 8, 50 bits */ + uint16_t shorts[DECDOUBLE_Bytes/2]; + uint32_t words[DECDOUBLE_Bytes/4]; } decDouble; /* ---------------------------------------------------------------- */ diff --git a/libdecnumber/decNumberLocal.h b/libdecnumber/decNumberLocal.h index 809eaa4..f1568f7 100644 --- a/libdecnumber/decNumberLocal.h +++ b/libdecnumber/decNumberLocal.h @@ -308,13 +308,13 @@ #define DECWORDS (DECBYTES/4) #define DECWWORDS (DECWBYTES/4) #if DECLITEND - #define DFWORD(df, off) UINTAT((df)->bytes+(DECWORDS-1-(off))*4) - #define DFBYTE(df, off) UBYTEAT((df)->bytes+(DECBYTES-1-(off))) - #define DFWWORD(dfw, off) UINTAT((dfw)->bytes+(DECWWORDS-1-(off))*4) + #define DFWORD(df, off) ((df)->words[DECWORDS-1-(off)]) + #define DFBYTE(df, off) ((df)->bytes[DECBYTES-1-(off)]) + #define DFWWORD(dfw, off) ((dfw)->words[DECWWORDS-1-(off)]) #else - #define DFWORD(df, off) UINTAT((df)->bytes+(off)*4) - #define DFBYTE(df, off) UBYTEAT((df)->bytes+(off)) - #define DFWWORD(dfw, off) UINTAT((dfw)->bytes+(off)*4) + #define DFWORD(df, off) ((df)->words[off]) + #define DFBYTE(df, off) ((df)->bytes[off]) + #define DFWWORD(dfw, off) ((dfw)->words[off]) #endif /* Tests for sign or specials, directly on DECFLOATs */ diff --git a/libdecnumber/decQuad.h b/libdecnumber/decQuad.h index 39f75d3..af9bc24 100644 --- a/libdecnumber/decQuad.h +++ b/libdecnumber/decQuad.h @@ -59,9 +59,11 @@ /* Required include */ #include "decContext.h" - /* The decQuad decimal 128-bit type, accessible by bytes */ - typedef struct { + /* The decQuad decimal 128-bit type, accessible by various types */ + typedef union { uint8_t bytes[DECQUAD_Bytes]; /* fields: 1, 5, 12, 110 bits */ + uint16_t shorts[DECQUAD_Bytes/2]; + uint32_t words[DECQUAD_Bytes/4]; } decQuad; /* ---------------------------------------------------------------- */ diff --git a/libdecnumber/decSingle.h b/libdecnumber/decSingle.h index 8dd1bd3..bae3984 100644 --- a/libdecnumber/decSingle.h +++ b/libdecnumber/decSingle.h @@ -59,9 +59,11 @@ #include "decQuad.h" #include "decDouble.h" - /* The decSingle decimal 32-bit type, accessible by bytes */ - typedef struct { + /* The decSingle decimal 32-bit type, accessible by various types */ + typedef union { uint8_t bytes[DECSINGLE_Bytes]; /* fields: 1, 5, 6, 20 bits */ + uint16_t shorts[DECSINGLE_Bytes/2]; + uint32_t words[DECSINGLE_Bytes/4]; } decSingle; /* ---------------------------------------------------------------- */ |