Mercurial > hg > CbC > CbC_gcc

comparison gcc/config/stormy16/stormy16-lib2.c @ 63:b7f97abdc517 gcc-4.6-20100522

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update gcc from gcc-4.5.0 to gcc-4.6
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Mon, 24 May 2010 12:47:05 +0900
parents 77e2b8dfacca
children f6334be47118
comparison
equal deleted inserted replaced
56:3c8a44c06a95 63:b7f97abdc517
2 libgcc2.c. Really libgcc ought to be moved out of the gcc directory 2 libgcc2.c. Really libgcc ought to be moved out of the gcc directory
3 and into its own top level directory, and then split up into multiple 3 and into its own top level directory, and then split up into multiple
4 files. On this glorious day maybe this code can be integrated into 4 files. On this glorious day maybe this code can be integrated into
5 it too. */ 5 it too. */
6 6
7 /* Copyright (C) 2005, 2008, 2009 Free Software Foundation, Inc. 7 /* Copyright (C) 2005, 2008, 2009, 2010 Free Software Foundation, Inc.
8 8
9 This file is part of GCC. 9 This file is part of GCC.
10 10
11 GCC is free software; you can redistribute it and/or modify it under 11 GCC is free software; you can redistribute it and/or modify it under
12 the terms of the GNU General Public License as published by the Free 12 the terms of the GNU General Public License as published by the Free
307 return 0; 307 return 0;
308 308
309 return 16 - __builtin_clz (u & - u); 309 return 16 - __builtin_clz (u & - u);
310 } 310 }
311 #endif 311 #endif
312
313 #ifdef XSTORMY16_UCMPSI2
314 /* Performs an unsigned comparison of two 32-bit values: A and B.
315 If A is less than B, then 0 is returned. If A is greater than B,
316 then 2 is returned. Otherwise A and B are equal and 1 is returned. */
317
318 word_type
319 __ucmpsi2 (USItype a, USItype b)
320 {
321 word_type hi_a = (a >> 16);
322 word_type hi_b = (b >> 16);
323
324 if (hi_a == hi_b)
325 {
326 word_type low_a = (a & 0xffff);
327 word_type low_b = (b & 0xffff);
328
329 return low_a < low_b ? 0 : (low_a > low_b ? 2 : 1);
330 }
331
332 return hi_a < hi_b ? 0 : 2;
333 }
334 #endif