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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/alpha/math-emu/sfp-util.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/alpha/math-emu/sfp-util.h')
-rw-r--r--arch/alpha/math-emu/sfp-util.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/alpha/math-emu/sfp-util.h b/arch/alpha/math-emu/sfp-util.h
new file mode 100644
index 000000000..ae30f3417
--- /dev/null
+++ b/arch/alpha/math-emu/sfp-util.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <asm/byteorder.h>
+#include <asm/fpu.h>
+
+#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
+ ((sl) = (al) + (bl), (sh) = (ah) + (bh) + ((sl) < (al)))
+
+#define sub_ddmmss(sh, sl, ah, al, bh, bl) \
+ ((sl) = (al) - (bl), (sh) = (ah) - (bh) - ((al) < (bl)))
+
+#define umul_ppmm(wh, wl, u, v) \
+ __asm__ ("mulq %2,%3,%1; umulh %2,%3,%0" \
+ : "=r" ((UDItype)(wh)), \
+ "=&r" ((UDItype)(wl)) \
+ : "r" ((UDItype)(u)), \
+ "r" ((UDItype)(v)))
+
+#define udiv_qrnnd(q, r, n1, n0, d) \
+ do { unsigned long __r; \
+ (q) = __udiv_qrnnd (&__r, (n1), (n0), (d)); \
+ (r) = __r; \
+ } while (0)
+extern unsigned long __udiv_qrnnd (unsigned long *, unsigned long,
+ unsigned long , unsigned long);
+
+#define UDIV_NEEDS_NORMALIZATION 1
+
+#define abort() goto bad_insn
+
+#ifndef __LITTLE_ENDIAN
+#define __LITTLE_ENDIAN -1
+#endif
+#define __BYTE_ORDER __LITTLE_ENDIAN