diff options
author | Glenn Elliott <gelliott@cs.unc.edu> | 2012-03-04 19:47:13 -0500 |
---|---|---|
committer | Glenn Elliott <gelliott@cs.unc.edu> | 2012-03-04 19:47:13 -0500 |
commit | c71c03bda1e86c9d5198c5d83f712e695c4f2a1e (patch) | |
tree | ecb166cb3e2b7e2adb3b5e292245fefd23381ac8 /arch/microblaze/lib/ashldi3.c | |
parent | ea53c912f8a86a8567697115b6a0d8152beee5c8 (diff) | |
parent | 6a00f206debf8a5c8899055726ad127dbeeed098 (diff) |
Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp
Conflicts:
litmus/sched_cedf.c
Diffstat (limited to 'arch/microblaze/lib/ashldi3.c')
-rw-r--r-- | arch/microblaze/lib/ashldi3.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/microblaze/lib/ashldi3.c b/arch/microblaze/lib/ashldi3.c new file mode 100644 index 000000000000..beb80f316095 --- /dev/null +++ b/arch/microblaze/lib/ashldi3.c | |||
@@ -0,0 +1,29 @@ | |||
1 | #include <linux/module.h> | ||
2 | |||
3 | #include "libgcc.h" | ||
4 | |||
5 | long long __ashldi3(long long u, word_type b) | ||
6 | { | ||
7 | DWunion uu, w; | ||
8 | word_type bm; | ||
9 | |||
10 | if (b == 0) | ||
11 | return u; | ||
12 | |||
13 | uu.ll = u; | ||
14 | bm = 32 - b; | ||
15 | |||
16 | if (bm <= 0) { | ||
17 | w.s.low = 0; | ||
18 | w.s.high = (unsigned int) uu.s.low << -bm; | ||
19 | } else { | ||
20 | const unsigned int carries = (unsigned int) uu.s.low >> bm; | ||
21 | |||
22 | w.s.low = (unsigned int) uu.s.low << b; | ||
23 | w.s.high = ((unsigned int) uu.s.high << b) | carries; | ||
24 | } | ||
25 | |||
26 | return w.ll; | ||
27 | } | ||
28 | |||
29 | EXPORT_SYMBOL(__ashldi3); | ||