1 files changed, 114 insertions, 0 deletions
diff --git a/libgloss/mips/include/mips/mips64.h b/libgloss/mips/include/mips/mips64.h
new file mode 100644
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--- /dev/null
+++ b/libgloss/mips/include/mips/mips64.h
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2014-2018 MIPS Tech, LLC
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holder nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef _MIPS64_H_
+#define _MIPS64_H_
+
+#include <mips/mips32.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __ASSEMBLER__
+
+#if __mips == 64 && ! __mips16
+
+/* 64-bit count leading zeroes */
+#if !defined(mips_dclz)
+# define mips_dclz(x) __builtin_clzll (x)
+#endif
+
+/* 64-bit count trailing zeroes */
+#if !defined(mips_dctz)
+# define mips_dctz(x) __builtin_ctzll (x)
+#endif
+
+#if !defined(mips_dclo)
+#define mips_dclo(x) __extension__({ \
+    unsigned long long __x = (x); \
+    unsigned int __v; \
+    __asm__ ("dclo %0,%1" : "=d" (__v) : "d" (__x)); \
+    __v; \
+})
+#endif
+
+/* MIPS64r2 dshd opcode */
+#define _mips64r2_dshd(x) __extension__({ \
+    unsigned long long __x = (x), __v; \
+    __asm__ ("dshd %0,%1" \
+	     : "=d" (__v) \
+	     : "d" (__x)); \
+    __v; \
+})
+
+/* MIPS64r2 dsbh opcode */
+#define _mips64r2_dsbh(x) __extension__({ \
+    unsigned long long __x = (x), __v; \
+    __asm__ ("dsbh %0,%1" \
+	     : "=d" (__v) \
+	     : "d" (__x)); \
+    __v; \
+})
+
+/* MIPS64r2 byte-swap doubleword */
+#define _mips64r2_bswapd(x) __extension__({ \
+    unsigned long long __x = (x), __v; \
+    __asm__ ("dsbh %0,%1; dshd %0,%0" \
+	     : "=d" (__v) \
+	     : "d" (__x)); \
+    __v; \
+})
+
+/* MIPS64r2 insert bits */
+#define _mips64r2_dins(tgt,val,pos,sz) __extension__({ \
+    unsigned long long __t = (tgt), __v = (val); \
+    __asm__ ("dins %0,%z1,%2,%3" \
+	     : "+d" (__t) \
+	     : "dJ" (__v), "I" (pos), "I" (sz)); \
+    __t; \
+})
+
+/* MIPS64r2 extract bits */
+#define _mips64r2_dext(x,pos,sz) __extension__({ \
+    unsigned long long __x = (x), __v; \
+    __asm__ ("dext %0,%z1,%2,%3" \
+	     : "=d" (__v) \
+	     : "dJ" (__x), "I" (pos), "I" (sz)); \
+    __v; \
+})
+
+#endif /* __mips == 64 && ! __mips16 */
+
+#endif /* !__ASSEMBLER__ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _MIPS64_H_ */