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| author | Jeff Garzik <jgarzik@pretzel.yyz.us> | 2005-06-22 21:50:57 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-06-22 21:50:57 -0400 |
| commit | a5324343955997d1439f26518ddac567cd5d134b (patch) | |
| tree | f43558389c41e3a0f076c4ee55d77c4aa1561779 /arch/arm/lib/ashldi3.c | |
| parent | 8199d3a79c224bbe5943fa08684e1f93a17881b0 (diff) | |
| parent | a4936044001694f033fe4ea94d6034d51a6b465c (diff) | |
| download | blackbird-op-linux-a5324343955997d1439f26518ddac567cd5d134b.tar.gz blackbird-op-linux-a5324343955997d1439f26518ddac567cd5d134b.zip | |
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'arch/arm/lib/ashldi3.c')
| -rw-r--r-- | arch/arm/lib/ashldi3.c | 47 |
1 files changed, 21 insertions, 26 deletions
diff --git a/arch/arm/lib/ashldi3.c b/arch/arm/lib/ashldi3.c index 130f5a839669..b62875cfd8f8 100644 --- a/arch/arm/lib/ashldi3.c +++ b/arch/arm/lib/ashldi3.c @@ -31,31 +31,26 @@ Boston, MA 02111-1307, USA. */ #include "gcclib.h" -DItype -__ashldi3 (DItype u, word_type b) +s64 __ashldi3(s64 u, int b) { - DIunion w; - word_type bm; - DIunion uu; - - if (b == 0) - return u; - - uu.ll = u; - - bm = (sizeof (SItype) * BITS_PER_UNIT) - b; - if (bm <= 0) - { - w.s.low = 0; - w.s.high = (USItype)uu.s.low << -bm; - } - else - { - USItype carries = (USItype)uu.s.low >> bm; - w.s.low = (USItype)uu.s.low << b; - w.s.high = ((USItype)uu.s.high << b) | carries; - } - - return w.ll; + DIunion w; + int bm; + DIunion uu; + + if (b == 0) + return u; + + uu.ll = u; + + bm = (sizeof(s32) * BITS_PER_UNIT) - b; + if (bm <= 0) { + w.s.low = 0; + w.s.high = (u32) uu.s.low << -bm; + } else { + u32 carries = (u32) uu.s.low >> bm; + w.s.low = (u32) uu.s.low << b; + w.s.high = ((u32) uu.s.high << b) | carries; + } + + return w.ll; } - |
