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authorLinus Torvalds <torvalds@g5.osdl.org>2006-06-19 19:07:12 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-19 19:07:12 -0700
commit25f42b6af09e34c3f92107b36b5aa6edc2fdba2f (patch)
treee0977d906193eadeafebc442775491b844be79d5 /arch/mips/lib/lshrdi3.c
parentMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband (diff)
parent[MIPS] Make timer interrupt frequency configurable from kconfig. (diff)
downloadlinux-dev-25f42b6af09e34c3f92107b36b5aa6edc2fdba2f.tar.xz
linux-dev-25f42b6af09e34c3f92107b36b5aa6edc2fdba2f.zip
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/lshrdi3.c')
-rw-r--r--arch/mips/lib/lshrdi3.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/mips/lib/lshrdi3.c b/arch/mips/lib/lshrdi3.c
new file mode 100644
index 000000000000..dcf8d6810b7c
--- /dev/null
+++ b/arch/mips/lib/lshrdi3.c
@@ -0,0 +1,29 @@
+#include <linux/module.h>
+
+#include "libgcc.h"
+
+long long __lshrdi3(long long u, word_type b)
+{
+ DWunion uu, w;
+ word_type bm;
+
+ if (b == 0)
+ return u;
+
+ uu.ll = u;
+ bm = 32 - b;
+
+ if (bm <= 0) {
+ w.s.high = 0;
+ w.s.low = (unsigned int) uu.s.high >> -bm;
+ } else {
+ const unsigned int carries = (unsigned int) uu.s.high << bm;
+
+ w.s.high = (unsigned int) uu.s.high >> b;
+ w.s.low = ((unsigned int) uu.s.low >> b) | carries;
+ }
+
+ return w.ll;
+}
+
+EXPORT_SYMBOL(__lshrdi3);