diff options
| author | amylaar <amylaar@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-10-01 17:12:59 +0000 |
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| committer | amylaar <amylaar@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-10-01 17:12:59 +0000 |
| commit | 8eaaaea3894fc865c9eec6c23657b81a3ed53255 (patch) | |
| tree | 745cdc23ed871e1941b32ac6573395fd7abe0b8a /libgcc/longlong.h | |
| parent | 09cb6a17e71bd40d2fbfaf82a1502fc210e33c87 (diff) | |
| download | gcc-8eaaaea3894fc865c9eec6c23657b81a3ed53255.tar.gz | |
2013-10-01 Joern Rennecke <joern.rennecke@embecosm.com>
Brendan Kehoe <brendan@zen.org>
Simon Cook <simon.cook@embecosm.com>
* config.host (arc*-*-elf*, arc*-*-linux-uclibc*): New configurations.
* config/arc: New directory.
* longlong.h [__arc__] (umul_ppmm): Remove.
[__arc__] (__umulsidi3): Define.
[__arc__ && __ARC_NORM__] (count_leading_zeroes): Define.
[__arc__ && __ARC_NORM__] (COUNT_LEADING_ZEROS_0): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@203073 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libgcc/longlong.h')
| -rw-r--r-- | libgcc/longlong.h | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/libgcc/longlong.h b/libgcc/longlong.h index c4b1b97be0a..4fbfbaeca41 100644 --- a/libgcc/longlong.h +++ b/libgcc/longlong.h @@ -188,16 +188,20 @@ extern UDItype __udiv_qrnnd (UDItype *, UDItype, UDItype, UDItype); "rIJ" ((USItype) (bh)), \ "r" ((USItype) (al)), \ "rIJ" ((USItype) (bl))) -/* Call libgcc routine. */ -#define umul_ppmm(w1, w0, u, v) \ -do { \ - DWunion __w; \ - __w.ll = __umulsidi3 (u, v); \ - w1 = __w.s.high; \ - w0 = __w.s.low; \ -} while (0) -#define __umulsidi3 __umulsidi3 -UDItype __umulsidi3 (USItype, USItype); + +#define __umulsidi3(u,v) ((UDItype)(USItype)u*(USItype)v) +#ifdef __ARC_NORM__ +#define count_leading_zeros(count, x) \ + do \ + { \ + SItype c_; \ + \ + __asm__ ("norm.f\t%0,%1\n\tmov.mi\t%0,-1" : "=r" (c_) : "r" (x) : "cc");\ + (count) = c_ + 1; \ + } \ + while (0) +#define COUNT_LEADING_ZEROS_0 32 +#endif #endif #if defined (__arm__) && (defined (__thumb2__) || !defined (__thumb__)) \ |