Commit 27098b6b by Richard Henderson Committed by Richard Henderson

mn10300: Add support in longlong.h.

This greatly helps out the DImode division, and to a lesser
extent the DImode multiplication routines in libgcc2.c.

From-SVN: r169018
parent e0d1958f
...@@ -3,6 +3,12 @@ ...@@ -3,6 +3,12 @@
* config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand. * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
(*mulsi3): Likewise. (*mulsi3): Likewise.
* longlong.h [__mn10300__] (count_leading_zeros): New.
[__mn10300__] (umul_ppmm, smul_ppmm): New.
[__mn10300__] (add_ssaaaa, subddmmss): New.
[__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
[__mn10300__] (UMUL_TIME, UDIV_TIME): New.
2011-01-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> 2011-01-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
* config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case. * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
......
...@@ -718,6 +718,43 @@ UDItype __umulsidi3 (USItype, USItype); ...@@ -718,6 +718,43 @@ UDItype __umulsidi3 (USItype, USItype);
#endif /* __mc88110__ */ #endif /* __mc88110__ */
#endif /* __m88000__ */ #endif /* __m88000__ */
#if defined (__mn10300__)
# if defined (__AM33__)
# define count_leading_zeros(COUNT,X) ((COUNT) = __builtin_clz (X))
# define umul_ppmm(w1, w0, u, v) \
asm("mulu %3,%2,%1,%0" : "=r"(w0), "=r"(w1) : "r"(u), "r"(v))
# define smul_ppmm(w1, w0, u, v) \
asm("mul %3,%2,%1,%0" : "=r"(w0), "=r"(w1) : "r"(u), "r"(v))
# else
# define umul_ppmm(w1, w0, u, v) \
asm("nop; nop; mulu %3,%0" : "=d"(w0), "=z"(w1) : "%0"(u), "d"(v))
# define smul_ppmm(w1, w0, u, v) \
asm("nop; nop; mul %3,%0" : "=d"(w0), "=z"(w1) : "%0"(u), "d"(v))
# endif
# define add_ssaaaa(sh, sl, ah, al, bh, bl) \
do { \
DWunion __s, __a, __b; \
__a.s.low = (al); __a.s.high = (ah); \
__b.s.low = (bl); __b.s.high = (bh); \
__s.ll = __a.ll + __b.ll; \
(sl) = __s.s.low; (sh) = __s.s.high; \
} while (0)
# define sub_ddmmss(sh, sl, ah, al, bh, bl) \
do { \
DWunion __s, __a, __b; \
__a.s.low = (al); __a.s.high = (ah); \
__b.s.low = (bl); __b.s.high = (bh); \
__s.ll = __a.ll - __b.ll; \
(sl) = __s.s.low; (sh) = __s.s.high; \
} while (0)
# define udiv_qrnnd(q, r, nh, nl, d) \
asm("divu %2,%0" : "=D"(q), "=z"(r) : "D"(d), "0"(nl), "1"(nh))
# define sdiv_qrnnd(q, r, nh, nl, d) \
asm("div %2,%0" : "=D"(q), "=z"(r) : "D"(d), "0"(nl), "1"(nh))
# define UMUL_TIME 3
# define UDIV_TIME 38
#endif
#if defined (__mips__) && W_TYPE_SIZE == 32 #if defined (__mips__) && W_TYPE_SIZE == 32
#define umul_ppmm(w1, w0, u, v) \ #define umul_ppmm(w1, w0, u, v) \
do { \ do { \
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment