summaryrefslogtreecommitdiffstats
path: root/arch/nds32/math-emu/fs2siz.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2019-06-07 20:00:14 +0200
committerDavid S. Miller <davem@davemloft.net>2019-06-07 20:00:14 +0200
commita6cdeeb16bff89c8486324f53577db058cbe81ba (patch)
treede2d38e10f5768bdf1d2902112a4803d0ae767f3 /arch/nds32/math-emu/fs2siz.c
parentMerge branch 'Xilinx-axienet-driver-updates' (diff)
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff)
downloadlinux-a6cdeeb16bff89c8486324f53577db058cbe81ba.tar.xz
linux-a6cdeeb16bff89c8486324f53577db058cbe81ba.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Some ISDN files that got removed in net-next had some changes done in mainline, take the removals. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/nds32/math-emu/fs2siz.c')
-rw-r--r--arch/nds32/math-emu/fs2siz.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/nds32/math-emu/fs2siz.c b/arch/nds32/math-emu/fs2siz.c
new file mode 100644
index 000000000000..1c2b99ce3e38
--- /dev/null
+++ b/arch/nds32/math-emu/fs2siz.c
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2005-2019 Andes Technology Corporation
+#include <linux/uaccess.h>
+
+#include <asm/sfp-machine.h>
+#include <math-emu/soft-fp.h>
+#include <math-emu/single.h>
+
+void fs2si_z(void *ft, void *fa)
+{
+ int r;
+
+ FP_DECL_S(A);
+ FP_DECL_EX;
+
+ FP_UNPACK_SP(A, fa);
+
+ if (A_c == FP_CLS_INF) {
+ *(int *)ft = (A_s == 0) ? 0x7fffffff : 0x80000000;
+ __FPU_FPCSR |= FP_EX_INVALID;
+ } else if (A_c == FP_CLS_NAN) {
+ *(int *)ft = 0xffffffff;
+ __FPU_FPCSR |= FP_EX_INVALID;
+ } else {
+ FP_TO_INT_S(r, A, 32, 1);
+ __FPU_FPCSR |= FP_CUR_EXCEPTIONS;
+ *(int *)ft = r;
+ }
+}