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+/*-
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+ * Copyright (c) 2002, 2003 David Schultz <[email protected]>
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+ * Copyright (2) 2014 The FreeBSD Foundation
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+ * All rights reserved.
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+ *
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+ * Redistribution and use in source and binary forms, with or without
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+ * modification, are permitted provided that the following conditions
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+ * are met:
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+ * 1. Redistributions of source code must retain the above copyright
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+ * notice, this list of conditions and the following disclaimer.
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+ * 2. Redistributions in binary form must reproduce the above copyright
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+ * notice, this list of conditions and the following disclaimer in the
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+ * documentation and/or other materials provided with the distribution.
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+ *
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+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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+ * SUCH DAMAGE.
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+ *
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+ * $FreeBSD: head/lib/libc/aarch64/_fpmath.h 281197 2015-04-07 09:52:14Z andrew $
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+ */
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+
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+union IEEEl2bits {
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+ long double e;
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+ struct {
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+ unsigned long manl :64;
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+ unsigned long manh :48;
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+ unsigned int exp :15;
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+ unsigned int sign :1;
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+ } bits;
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+ /* TODO andrew: Check the packing here */
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+ struct {
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+ unsigned long manl :64;
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+ unsigned long manh :48;
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+ unsigned int expsign :16;
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+ } xbits;
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+};
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+
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+#define LDBL_NBIT 0
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+#define LDBL_IMPLICIT_NBIT
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+#define mask_nbit_l(u) ((void)0)
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+
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+#define LDBL_MANH_SIZE 48
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+#define LDBL_MANL_SIZE 64
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+
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+#define LDBL_TO_ARRAY32(u, a) do { \
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+ (a)[0] = (uint32_t)(u).bits.manl; \
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+ (a)[1] = (uint32_t)((u).bits.manl >> 32); \
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+ (a)[2] = (uint32_t)(u).bits.manh; \
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+ (a)[3] = (uint32_t)((u).bits.manh >> 32); \
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+} while(0)
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Ed Schouten