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author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-19 22:07:12 -0400 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-19 22:07:12 -0400 |
commit | 25f42b6af09e34c3f92107b36b5aa6edc2fdba2f (patch) | |
tree | e0977d906193eadeafebc442775491b844be79d5 /arch/mips/lib/ashldi3.c | |
parent | 4c84a39c8adba6bf2f829b217e78bfd61478191a (diff) | |
parent | 1723b4a34af85447684c9696af83929d2c1e8e6b (diff) |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (51 commits)
[MIPS] Make timer interrupt frequency configurable from kconfig.
[MIPS] Correct HAL2 Kconfig description
[MIPS] Fix R4K cache macro names
[MIPS] Add Missing R4K Cache Macros to IP27 & IP32
[MIPS] Support for the RM9000-based Basler eXcite smart camera platform.
[MIPS] Support for the R5500-based NEC EMMA2RH Mark-eins board
[MIPS] Support SNI RM200C SNI in big endian mode and R5000 processors.
[MIPS] SN: include asm/sn/types.h for nasid_t.
[MIPS] Random fixes for sb1250
[MIPS] Fix bcm1480 compile
[MIPS] Remove support for NEC DDB5476.
[MIPS] Remove support for NEC DDB5074.
[MIPS] Cleanup memory managment initialization.
[MIPS] SN: Declare bridge_pci_ops.
[MIPS] Remove unused function alloc_pci_controller.
[MIPS] IP27: Extract pci_ops into separate file.
[MIPS] IP27: Use symbolic constants instead of magic numbers.
[MIPS] vr41xx: remove unnecessay items from vr41xx/Kconfig.
[MIPS] IP27: Cleanup N/M mode configuration.
[MIPS] IP27: Throw away old unused hacks.
...
Diffstat (limited to 'arch/mips/lib/ashldi3.c')
-rw-r--r-- | arch/mips/lib/ashldi3.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/mips/lib/ashldi3.c b/arch/mips/lib/ashldi3.c new file mode 100644 index 000000000000..beb80f316095 --- /dev/null +++ b/arch/mips/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); | ||