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mips fixes

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This commit is contained in:
Werner Koch 2010-10-22 07:35:30 +00:00
parent 397f9cd6a1
commit f7ab9d61bf
2 changed files with 35 additions and 22 deletions
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5
mpi/ChangeLog
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@ -1,3 +1,8 @@
2010-10-22 Jason Woodward <jason.woodward@timesys.com> (wk)
* longlong.h (umul_ppmm) [mips32]: Fix typo.
(umul_ppmm) [mips64]: Don't use =h with gcc >= 4.4.
2010-06-01 Werner Koch <wk@g10code.com>
* longlong.h (umul_ppmm) <__mips__>: Add code for gcc 4.4. This

52
mpi/longlong.h
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@ -710,7 +710,7 @@ extern USItype __udiv_qrnnd ();
************** MIPS *****************
***************************************/
#if defined (__mips__) && W_TYPE_SIZE == 32
#if __GNUC__ > 4 || ( __GNUC__ == 4 && __GNUC_MINOR >= 4 )
#if __GNUC__ > 4 || ( __GNUC__ == 4 && __GNUC_MINOR__ >= 4 )
#define umul_ppmm(w1, w0, u, v) \
do { \
UDItype __ll = (UDItype)(u) * (v); \
@ -727,8 +727,8 @@ extern USItype __udiv_qrnnd ();
#else
#define umul_ppmm(w1, w0, u, v) \
__asm__ ("multu %2,%3 \n" \
"mflo %0 \n" \
"mfhi %1" \
"mflo %0 \n" \
"mfhi %1" \
: "=d" ((USItype)(w0)), \
"=d" ((USItype)(w1)) \
: "d" ((USItype)(u)), \
@ -742,25 +742,33 @@ extern USItype __udiv_qrnnd ();
************** MIPS/64 **************
***************************************/
#if (defined (__mips) && __mips >= 3) && W_TYPE_SIZE == 64
#if __GNUC__ > 2 || __GNUC_MINOR__ >= 7
#define umul_ppmm(w1, w0, u, v) \
__asm__ ("dmultu %2,%3" \
: "=l" ((UDItype)(w0)), \
"=h" ((UDItype)(w1)) \
: "d" ((UDItype)(u)), \
"d" ((UDItype)(v)))
#else
#define umul_ppmm(w1, w0, u, v) \
__asm__ ("dmultu %2,%3 \n" \
"mflo %0 \n" \
"mfhi %1" \
: "=d" ((UDItype)(w0)), \
"=d" ((UDItype)(w1)) \
: "d" ((UDItype)(u)), \
"d" ((UDItype)(v)))
#endif
#define UMUL_TIME 20
#define UDIV_TIME 140
# if __GNUC__ > 4 || ( __GNUC__ == 4 && __GNUC_MINOR__ >= 4 )
# define umul_ppmm(w1, w0, u, v) \
do { \
typedef unsigned int __ll_UTItype __attribute__((mode(TI))); \
__ll_UTItype __ll = (__ll_UTItype)(u) * (v); \
w1 = __ll >> 64; \
w0 = __ll; \
} while (0)
# elif if __GNUC__ > 2 || __GNUC_MINOR__ >= 7
# define umul_ppmm(w1, w0, u, v) \
__asm__ ("dmultu %2,%3" \
: "=l" ((UDItype)(w0)), \
"=h" ((UDItype)(w1)) \
: "d" ((UDItype)(u)), \
"d" ((UDItype)(v)))
# else
# define umul_ppmm(w1, w0, u, v) \
__asm__ ("dmultu %2,%3 \n" \
"mflo %0 \n" \
"mfhi %1" \
: "=d" ((UDItype)(w0)), \
"=d" ((UDItype)(w1)) \
: "d" ((UDItype)(u)), \
"d" ((UDItype)(v)))
# endif
# define UMUL_TIME 20
# define UDIV_TIME 140
#endif /* __mips__ */