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Diffstat (limited to 'include/byte_order_generic_x86_64.h')
| -rw-r--r-- | include/byte_order_generic_x86_64.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/include/byte_order_generic_x86_64.h b/include/byte_order_generic_x86_64.h new file mode 100644 index 00000000000..877c1574dfa --- /dev/null +++ b/include/byte_order_generic_x86_64.h @@ -0,0 +1,83 @@ +/* Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; version 2 of the License. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02111-1307 USA */ + +/* + Optimized function-like macros for the x86 architecture (_WIN32 included). +*/ +#define sint2korr(A) (int16) (*((int16 *) (A))) +#define sint3korr(A) ((int32) ((((uchar) (A)[2]) & 128) ? \ + (((uint32) 255L << 24) | \ + (((uint32) (uchar) (A)[2]) << 16) |\ + (((uint32) (uchar) (A)[1]) << 8) | \ + ((uint32) (uchar) (A)[0])) : \ + (((uint32) (uchar) (A)[2]) << 16) |\ + (((uint32) (uchar) (A)[1]) << 8) | \ + ((uint32) (uchar) (A)[0]))) +#define sint4korr(A) (int32) (*((int32 *) (A))) +#define uint2korr(A) (uint16) (*((uint16 *) (A))) +/* + Attention: Please, note, uint3korr reads 4 bytes (not 3)! + It means, that you have to provide enough allocated space. +*/ +#if defined(HAVE_purify) && !defined(_WIN32) +#define uint3korr(A) (uint32) (((uint32) ((uchar) (A)[0])) +\ + (((uint32) ((uchar) (A)[1])) << 8) +\ + (((uint32) ((uchar) (A)[2])) << 16)) +#else +#define uint3korr(A) (uint32) (*((unsigned int *) (A)) & 0xFFFFFF) +#endif +#define uint4korr(A) (uint32) (*((uint32 *) (A))) +#define uint5korr(A) ((ulonglong)(((uint32) ((uchar) (A)[0])) +\ + (((uint32) ((uchar) (A)[1])) << 8) +\ + (((uint32) ((uchar) (A)[2])) << 16) +\ + (((uint32) ((uchar) (A)[3])) << 24)) +\ + (((ulonglong) ((uchar) (A)[4])) << 32)) +#define uint6korr(A) ((ulonglong)(((uint32) ((uchar) (A)[0])) + \ + (((uint32) ((uchar) (A)[1])) << 8) + \ + (((uint32) ((uchar) (A)[2])) << 16) + \ + (((uint32) ((uchar) (A)[3])) << 24)) + \ + (((ulonglong) ((uchar) (A)[4])) << 32) + \ + (((ulonglong) ((uchar) (A)[5])) << 40)) +#define uint8korr(A) (ulonglong) (*((ulonglong *) (A))) +#define sint8korr(A) (longlong) (*((longlong *) (A))) + +#define int2store(T,A) do { uchar *pT= (uchar*)(T);\ + *((uint16*)(pT))= (uint16) (A);\ + } while (0) + +#define int3store(T,A) do { *(T)= (uchar) ((A));\ + *(T+1)=(uchar) (((uint) (A) >> 8));\ + *(T+2)=(uchar) (((A) >> 16));\ + } while (0) +#define int4store(T,A) do { uchar *pT= (uchar*)(T);\ + *((uint32 *) (pT))= (uint32) (A); \ + } while (0) + +#define int5store(T,A) do { *(T)= (uchar)((A));\ + *((T)+1)=(uchar) (((A) >> 8));\ + *((T)+2)=(uchar) (((A) >> 16));\ + *((T)+3)=(uchar) (((A) >> 24));\ + *((T)+4)=(uchar) (((A) >> 32));\ + } while(0) +#define int6store(T,A) do { *(T)= (uchar)((A)); \ + *((T)+1)=(uchar) (((A) >> 8)); \ + *((T)+2)=(uchar) (((A) >> 16)); \ + *((T)+3)=(uchar) (((A) >> 24)); \ + *((T)+4)=(uchar) (((A) >> 32)); \ + *((T)+5)=(uchar) (((A) >> 40)); \ + } while(0) +#define int8store(T,A) do { uchar *pT= (uchar*)(T);\ + *((ulonglong *) (pT))= (ulonglong) (A);\ + } while(0) |