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authorLinus Torvalds <torvalds@g5.osdl.org>2006-03-29 14:28:30 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-29 14:28:30 -0500
commit76babde121d2ffef04ca692ce64ef9f8a9866086 (patch)
tree294923bbb4974258d86d223e35eee691abacdfb1 /arch/powerpc/math-emu/fctiwz.c
parente71ac6032edf77a1e4a81f3e3b260807e94b37a5 (diff)
parent15e812ad849e142e3dfc984d33c4d8042389f148 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (67 commits) [PATCH] powerpc: Remove oprofile spinlock backtrace code [PATCH] powerpc: Add oprofile calltrace support to all powerpc cpus [PATCH] powerpc: Add oprofile calltrace support [PATCH] for_each_possible_cpu: ppc [PATCH] for_each_possible_cpu: powerpc [PATCH] lock PTE before updating it in 440/BookE page fault handler [PATCH] powerpc: Kill _machine and hard-coded platform numbers ppc: Fix compile error in arch/ppc/lib/strcase.c [PATCH] git-powerpc: WARN was a dumb idea [PATCH] powerpc: a couple of trivial compile warning fixes powerpc: remove OCP references powerpc: Make uImage default build output for MPC8540 ADS powerpc: move math-emu over to arch/powerpc powerpc: use memparse() for mem= command line parsing ppc: fix strncasecmp prototype [PATCH] powerpc: make ISA floppies work again [PATCH] powerpc: Fix some initcall return values [PATCH] powerpc: Workaround for pSeries RTAS bug [PATCH] spufs: fix __init/__exit annotations [PATCH] powerpc: add hvc backend for rtas ...
Diffstat (limited to 'arch/powerpc/math-emu/fctiwz.c')
-rw-r--r--arch/powerpc/math-emu/fctiwz.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/powerpc/math-emu/fctiwz.c b/arch/powerpc/math-emu/fctiwz.c
new file mode 100644
index 000000000000..7717eb6fcfb6
--- /dev/null
+++ b/arch/powerpc/math-emu/fctiwz.c
@@ -0,0 +1,32 @@
1#include <linux/types.h>
2#include <linux/errno.h>
3#include <asm/uaccess.h>
4
5#include "soft-fp.h"
6#include "double.h"
7
8int
9fctiwz(u32 *frD, void *frB)
10{
11 FP_DECL_D(B);
12 u32 fpscr;
13 unsigned int r;
14
15 fpscr = __FPU_FPSCR;
16 __FPU_FPSCR &= ~(3);
17 __FPU_FPSCR |= FP_RND_ZERO;
18
19 __FP_UNPACK_D(B, frB);
20 FP_TO_INT_D(r, B, 32, 1);
21 frD[1] = r;
22
23 __FPU_FPSCR = fpscr;
24
25#ifdef DEBUG
26 printk("%s: D %p, B %p: ", __FUNCTION__, frD, frB);
27 dump_double(frD);
28 printk("\n");
29#endif
30
31 return 0;
32}