fixed adding file problem

[c11concurrency-benchmarks.git] / gdax-orderbook-hpp / demo / dependencies / libcds-2.3.2 / cds / compiler / gcc / amd64 / bitop.h

diff --git a/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/cds/compiler/gcc/amd64/bitop.h b/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/cds/compiler/gcc/amd64/bitop.h
new file mode 100644 (file)
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--- /dev/null
+++ b/gdax-orderbook-hpp/demo/dependencies/libcds-2.3.2/cds/compiler/gcc/amd64/bitop.h
@@ -0,0 +1,184 @@
+/*
+    This file is a part of libcds - Concurrent Data Structures library
+
+    (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2017
+
+    Source code repo: http://github.com/khizmax/libcds/
+    Download: http://sourceforge.net/projects/libcds/files/
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice, this
+      list of conditions and the following disclaimer.
+
+    * 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.
+
+    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 CDSLIB_COMPILER_GCC_AMD64_BITOP_H
+#define CDSLIB_COMPILER_GCC_AMD64_BITOP_H
+
+//@cond none
+namespace cds {
+    namespace bitop { namespace platform { namespace gcc { namespace amd64 {
+        // MSB - return index (1..32) of most significant bit in nArg. If nArg == 0 return 0
+#        define cds_bitop_msb32_DEFINED
+        static inline int msb32( uint32_t nArg )
+        {
+            int        nRet;
+            __asm__ __volatile__ (
+                "bsrl        %[nArg], %[nRet]     ;\n\t"
+                "jnz        1f                    ;\n\t"
+                "xorl        %[nRet], %[nRet]    ;\n\t"
+                "subl        $1, %[nRet]         ;\n\t"
+                "1:"
+                "addl        $1, %[nRet]         ;\n\t"
+                : [nRet] "=a" (nRet)
+                : [nArg] "r" (nArg)
+                : "cc"
+                );
+            return nRet;
+        }
+
+#        define cds_bitop_msb32nz_DEFINED
+        static inline int msb32nz( uint32_t nArg )
+        {
+            assert( nArg != 0 );
+            int        nRet;
+            __asm__ __volatile__ (
+                "bsrl        %[nArg], %[nRet]    ;"
+                : [nRet] "=a" (nRet)
+                : [nArg] "r" (nArg)
+                : "cc"
+                );
+            return nRet;
+        }
+
+        // LSB - return index (0..31) of least significant bit in nArg. If nArg == 0 return -1U
+#        define cds_bitop_lsb32_DEFINED
+        static inline int lsb32( uint32_t nArg )
+        {
+
+            int        nRet;
+            __asm__ __volatile__ (
+                "bsfl        %[nArg], %[nRet]     ;"
+                "jnz        1f        ;"
+                "xorl        %[nRet], %[nRet]    ;"
+                "subl        $1, %[nRet]         ;"
+                "1:"
+                "addl        $1, %[nRet]         ;"
+                : [nRet] "=a" (nRet)
+                : [nArg] "r" (nArg)
+                : "cc"
+                );
+            return nRet;
+
+        }
+
+        // LSB - return index (0..31) of least significant bit in nArg.
+        // Condition: nArg != 0
+#        define cds_bitop_lsb32nz_DEFINED
+        static inline int lsb32nz( uint32_t nArg )
+        {
+            assert( nArg != 0 );
+            int        nRet;
+            __asm__ __volatile__ (
+                "bsfl        %[nArg], %[nRet]    ;"
+                : [nRet] "=a" (nRet)
+                : [nArg] "r" (nArg)
+                : "cc"
+                );
+            return nRet;
+        }
+
+#        define cds_bitop_msb64_DEFINED
+        static inline int msb64( uint64_t nArg )
+        {
+            uint64_t  nRet;
+            asm volatile (
+                "bsrq        %[nArg], %[nRet]     ;\n\t"
+                "jnz        1f                    ;\n\t"
+                "xorq        %[nRet], %[nRet]    ;\n\t"
+                "subq        $1, %[nRet]         ;\n\t"
+                "1:"
+                "addq        $1, %[nRet]         ;\n\t"
+                : [nRet] "=a" (nRet)
+                : [nArg] "r" (nArg)
+                : "cc"
+                );
+            return (int) nRet;
+        }
+
+#        define cds_bitop_msb64nz_DEFINED
+        static inline int msb64nz( uint64_t nArg )
+        {
+            assert( nArg != 0 );
+            uint64_t nRet;
+            __asm__ __volatile__ (
+                "bsrq        %[nArg], %[nRet]    ;"
+                : [nRet] "=a" (nRet)
+                : [nArg] "r" (nArg)
+                : "cc"
+                );
+            return (int) nRet;
+        }
+
+        // LSB - return index (0..31) of least significant bit in nArg. If nArg == 0 return -1U
+#        define cds_bitop_lsb64_DEFINED
+        static inline int lsb64( uint64_t nArg )
+        {
+            uint64_t nRet;
+            __asm__ __volatile__ (
+                "bsfq        %[nArg], %[nRet]     ;"
+                "jnz        1f        ;"
+                "xorq        %[nRet], %[nRet]    ;"
+                "subq        $1, %[nRet]         ;"
+                "1:"
+                "addq        $1, %[nRet]         ;"
+                : [nRet] "=a" (nRet)
+                : [nArg] "r" (nArg)
+                : "cc"
+                );
+            return (int) nRet;
+
+        }
+
+        // LSB - return index (0..31) of least significant bit in nArg.
+        // Condition: nArg != 0
+#        define cds_bitop_lsb64nz_DEFINED
+        static inline int lsb64nz( uint64_t nArg )
+        {
+            assert( nArg != 0 );
+            uint64_t nRet;
+            __asm__ __volatile__ (
+                "bsfq        %[nArg], %[nRet]    ;"
+                : [nRet] "=a" (nRet)
+                : [nArg] "r" (nArg)
+                : "cc"
+                );
+            return (int) nRet;
+        }
+
+
+    }} // namespace gcc::amd64
+
+    using namespace gcc::amd64;
+
+    }}}    // namespace cds::bitop::platform
+
+//@endcond
+
+#endif // #ifndef CDSLIB_COMPILER_GCC_AMD64_BITOP_H