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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-20 20:19:15 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-20 20:19:15 -0700
commitcfa76f024f7c9e65169425804e5b32e71f66d0ee (patch)
treeee64e98cbfb1b654842c9256446a9584857f6730 /arch/parisc/lib/libgcc/__clzsi2.c
parent093faa1dd26fc6766f8f04c429030757a8a0def4 (diff)
parent7210c678202bb3107085bffeb63f66a9b8ba1c85 (diff)
Merge branch 'master' of hera.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6
* 'master' of hera.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6: (29 commits) [PARISC] fix uninitialized variable warning in asm/rtc.h [PARISC] Port checkstack.pl to parisc [PARISC] Make palo target work when $obj != $src [PARISC] Zap unused variable warnings in pci.c [PARISC] Fix tests in palo target [PARISC] Fix palo target [PARISC] Restore palo target [PARISC] Attempt to clean up parisc/Makefile [PARISC] Fix infinite loop in /proc/iomem [PARISC] Quiet sysfs_create_link __must_check warnings in pdc_stable [PARISC] Squelch pci_enable_device __must_check warning in superio [PARISC] Kill off broken irqstack code [PARISC] Remove hardcoded uses of PAGE_SIZE [PARISC] Clean up pointless ASM_PAGE_SIZE_DIV use [PARISC] Kill off the last vestiges of ASM_PAGE_SIZE [PARISC] Kill off ASM_PAGE_SIZE use [PARISC] Beautify parisc vmlinux.lds.S [PARISC] Clean up a resource_size_t warning in sba_iommu [PARISC] Kill incorrect cast warning in unwinder [PARISC] Kill zone_to_nid printk warning ... Fixed trivial conflict in include/asm-parisc/tlbflush.h manually
Diffstat (limited to 'arch/parisc/lib/libgcc/__clzsi2.c')
-rw-r--r--arch/parisc/lib/libgcc/__clzsi2.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/parisc/lib/libgcc/__clzsi2.c b/arch/parisc/lib/libgcc/__clzsi2.c
new file mode 100644
index 00000000000..a7aa2f55a9c
--- /dev/null
+++ b/arch/parisc/lib/libgcc/__clzsi2.c
@@ -0,0 +1,30 @@
+#include "libgcc.h"
+
+u32 __clzsi2(u32 v)
+{
+ int p = 31;
+
+ if (v & 0xffff0000) {
+ p -= 16;
+ v >>= 16;
+ }
+ if (v & 0xff00) {
+ p -= 8;
+ v >>= 8;
+ }
+ if (v & 0xf0) {
+ p -= 4;
+ v >>= 4;
+ }
+ if (v & 0xc) {
+ p -= 2;
+ v >>= 2;
+ }
+ if (v & 0x2) {
+ p -= 1;
+ v >>= 1;
+ }
+
+ return p;
+}
+EXPORT_SYMBOL(__clzsi2);