Mercurial > projects > ldc
view dmd2/unialpha.c @ 1047:6bb04dbee21f
Some calling convention work for x86-64:
- Implement x86-64 extern(C), hopefully correctly.
- Tried to be a bit smarter about extern(D) while I was there.
Interestingly, this code seems to be generating more efficient code than
gcc and llvm-gcc in some edge cases, like returning a `{ [7 x i8] }` loaded from
a stack slot from an extern(C) function. (gcc generates 7 1-byte loads, while
this code generates a 4-byte, a 2-byte and a 1-byte load)
I also added some changes to make sure structs being returned from functions or
passed in as parameters are stored in memory where the rest of the backend seems
to expect them to be. These should be removed when support for first-class
aggregates improves.
author | Frits van Bommel <fvbommel wxs.nl> |
---|---|
date | Fri, 06 Mar 2009 16:00:47 +0100 |
parents | f04dde6e882c |
children |
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// Copyright (c) 2003 by Digital Mars // All Rights Reserved // written by Walter Bright // http://www.digitalmars.com // License for redistribution is by either the Artistic License // in artistic.txt, or the GNU General Public License in gnu.txt. // See the included readme.txt for details. #include <assert.h> /******************************* * Return !=0 if unicode alpha. * Use table from C99 Appendix D. */ int isUniAlpha(unsigned u) { static unsigned short table[][2] = { { 0x00AA, 0x00AA }, { 0x00B5, 0x00B5 }, { 0x00B7, 0x00B7 }, { 0x00BA, 0x00BA }, { 0x00C0, 0x00D6 }, { 0x00D8, 0x00F6 }, { 0x00F8, 0x01F5 }, { 0x01FA, 0x0217 }, { 0x0250, 0x02A8 }, { 0x02B0, 0x02B8 }, { 0x02BB, 0x02BB }, { 0x02BD, 0x02C1 }, { 0x02D0, 0x02D1 }, { 0x02E0, 0x02E4 }, { 0x037A, 0x037A }, { 0x0386, 0x0386 }, { 0x0388, 0x038A }, { 0x038C, 0x038C }, { 0x038E, 0x03A1 }, { 0x03A3, 0x03CE }, { 0x03D0, 0x03D6 }, { 0x03DA, 0x03DA }, { 0x03DC, 0x03DC }, { 0x03DE, 0x03DE }, { 0x03E0, 0x03E0 }, { 0x03E2, 0x03F3 }, { 0x0401, 0x040C }, { 0x040E, 0x044F }, { 0x0451, 0x045C }, { 0x045E, 0x0481 }, { 0x0490, 0x04C4 }, { 0x04C7, 0x04C8 }, { 0x04CB, 0x04CC }, { 0x04D0, 0x04EB }, { 0x04EE, 0x04F5 }, { 0x04F8, 0x04F9 }, { 0x0531, 0x0556 }, { 0x0559, 0x0559 }, { 0x0561, 0x0587 }, { 0x05B0, 0x05B9 }, { 0x05BB, 0x05BD }, { 0x05BF, 0x05BF }, { 0x05C1, 0x05C2 }, { 0x05D0, 0x05EA }, { 0x05F0, 0x05F2 }, { 0x0621, 0x063A }, { 0x0640, 0x0652 }, { 0x0660, 0x0669 }, { 0x0670, 0x06B7 }, { 0x06BA, 0x06BE }, { 0x06C0, 0x06CE }, { 0x06D0, 0x06DC }, { 0x06E5, 0x06E8 }, { 0x06EA, 0x06ED }, { 0x06F0, 0x06F9 }, { 0x0901, 0x0903 }, { 0x0905, 0x0939 }, { 0x093D, 0x093D }, { 0x093E, 0x094D }, { 0x0950, 0x0952 }, { 0x0958, 0x0963 }, { 0x0966, 0x096F }, { 0x0981, 0x0983 }, { 0x0985, 0x098C }, { 0x098F, 0x0990 }, { 0x0993, 0x09A8 }, { 0x09AA, 0x09B0 }, { 0x09B2, 0x09B2 }, { 0x09B6, 0x09B9 }, { 0x09BE, 0x09C4 }, { 0x09C7, 0x09C8 }, { 0x09CB, 0x09CD }, { 0x09DC, 0x09DD }, { 0x09DF, 0x09E3 }, { 0x09E6, 0x09EF }, { 0x09F0, 0x09F1 }, { 0x0A02, 0x0A02 }, { 0x0A05, 0x0A0A }, { 0x0A0F, 0x0A10 }, { 0x0A13, 0x0A28 }, { 0x0A2A, 0x0A30 }, { 0x0A32, 0x0A33 }, { 0x0A35, 0x0A36 }, { 0x0A38, 0x0A39 }, { 0x0A3E, 0x0A42 }, { 0x0A47, 0x0A48 }, { 0x0A4B, 0x0A4D }, { 0x0A59, 0x0A5C }, { 0x0A5E, 0x0A5E }, { 0x0A66, 0x0A6F }, { 0x0A74, 0x0A74 }, { 0x0A81, 0x0A83 }, { 0x0A85, 0x0A8B }, { 0x0A8D, 0x0A8D }, { 0x0A8F, 0x0A91 }, { 0x0A93, 0x0AA8 }, { 0x0AAA, 0x0AB0 }, { 0x0AB2, 0x0AB3 }, { 0x0AB5, 0x0AB9 }, { 0x0ABD, 0x0AC5 }, { 0x0AC7, 0x0AC9 }, { 0x0ACB, 0x0ACD }, { 0x0AD0, 0x0AD0 }, { 0x0AE0, 0x0AE0 }, { 0x0AE6, 0x0AEF }, { 0x0B01, 0x0B03 }, { 0x0B05, 0x0B0C }, { 0x0B0F, 0x0B10 }, { 0x0B13, 0x0B28 }, { 0x0B2A, 0x0B30 }, { 0x0B32, 0x0B33 }, { 0x0B36, 0x0B39 }, { 0x0B3D, 0x0B3D }, { 0x0B3E, 0x0B43 }, { 0x0B47, 0x0B48 }, { 0x0B4B, 0x0B4D }, { 0x0B5C, 0x0B5D }, { 0x0B5F, 0x0B61 }, { 0x0B66, 0x0B6F }, { 0x0B82, 0x0B83 }, { 0x0B85, 0x0B8A }, { 0x0B8E, 0x0B90 }, { 0x0B92, 0x0B95 }, { 0x0B99, 0x0B9A }, { 0x0B9C, 0x0B9C }, { 0x0B9E, 0x0B9F }, { 0x0BA3, 0x0BA4 }, { 0x0BA8, 0x0BAA }, { 0x0BAE, 0x0BB5 }, { 0x0BB7, 0x0BB9 }, { 0x0BBE, 0x0BC2 }, { 0x0BC6, 0x0BC8 }, { 0x0BCA, 0x0BCD }, { 0x0BE7, 0x0BEF }, { 0x0C01, 0x0C03 }, { 0x0C05, 0x0C0C }, { 0x0C0E, 0x0C10 }, { 0x0C12, 0x0C28 }, { 0x0C2A, 0x0C33 }, { 0x0C35, 0x0C39 }, { 0x0C3E, 0x0C44 }, { 0x0C46, 0x0C48 }, { 0x0C4A, 0x0C4D }, { 0x0C60, 0x0C61 }, { 0x0C66, 0x0C6F }, { 0x0C82, 0x0C83 }, { 0x0C85, 0x0C8C }, { 0x0C8E, 0x0C90 }, { 0x0C92, 0x0CA8 }, { 0x0CAA, 0x0CB3 }, { 0x0CB5, 0x0CB9 }, { 0x0CBE, 0x0CC4 }, { 0x0CC6, 0x0CC8 }, { 0x0CCA, 0x0CCD }, { 0x0CDE, 0x0CDE }, { 0x0CE0, 0x0CE1 }, { 0x0CE6, 0x0CEF }, { 0x0D02, 0x0D03 }, { 0x0D05, 0x0D0C }, { 0x0D0E, 0x0D10 }, { 0x0D12, 0x0D28 }, { 0x0D2A, 0x0D39 }, { 0x0D3E, 0x0D43 }, { 0x0D46, 0x0D48 }, { 0x0D4A, 0x0D4D }, { 0x0D60, 0x0D61 }, { 0x0D66, 0x0D6F }, { 0x0E01, 0x0E3A }, { 0x0E40, 0x0E5B }, // { 0x0E50, 0x0E59 }, { 0x0E81, 0x0E82 }, { 0x0E84, 0x0E84 }, { 0x0E87, 0x0E88 }, { 0x0E8A, 0x0E8A }, { 0x0E8D, 0x0E8D }, { 0x0E94, 0x0E97 }, { 0x0E99, 0x0E9F }, { 0x0EA1, 0x0EA3 }, { 0x0EA5, 0x0EA5 }, { 0x0EA7, 0x0EA7 }, { 0x0EAA, 0x0EAB }, { 0x0EAD, 0x0EAE }, { 0x0EB0, 0x0EB9 }, { 0x0EBB, 0x0EBD }, { 0x0EC0, 0x0EC4 }, { 0x0EC6, 0x0EC6 }, { 0x0EC8, 0x0ECD }, { 0x0ED0, 0x0ED9 }, { 0x0EDC, 0x0EDD }, { 0x0F00, 0x0F00 }, { 0x0F18, 0x0F19 }, { 0x0F20, 0x0F33 }, { 0x0F35, 0x0F35 }, { 0x0F37, 0x0F37 }, { 0x0F39, 0x0F39 }, { 0x0F3E, 0x0F47 }, { 0x0F49, 0x0F69 }, { 0x0F71, 0x0F84 }, { 0x0F86, 0x0F8B }, { 0x0F90, 0x0F95 }, { 0x0F97, 0x0F97 }, { 0x0F99, 0x0FAD }, { 0x0FB1, 0x0FB7 }, { 0x0FB9, 0x0FB9 }, { 0x10A0, 0x10C5 }, { 0x10D0, 0x10F6 }, { 0x1E00, 0x1E9B }, { 0x1EA0, 0x1EF9 }, { 0x1F00, 0x1F15 }, { 0x1F18, 0x1F1D }, { 0x1F20, 0x1F45 }, { 0x1F48, 0x1F4D }, { 0x1F50, 0x1F57 }, { 0x1F59, 0x1F59 }, { 0x1F5B, 0x1F5B }, { 0x1F5D, 0x1F5D }, { 0x1F5F, 0x1F7D }, { 0x1F80, 0x1FB4 }, { 0x1FB6, 0x1FBC }, { 0x1FBE, 0x1FBE }, { 0x1FC2, 0x1FC4 }, { 0x1FC6, 0x1FCC }, { 0x1FD0, 0x1FD3 }, { 0x1FD6, 0x1FDB }, { 0x1FE0, 0x1FEC }, { 0x1FF2, 0x1FF4 }, { 0x1FF6, 0x1FFC }, { 0x203F, 0x2040 }, { 0x207F, 0x207F }, { 0x2102, 0x2102 }, { 0x2107, 0x2107 }, { 0x210A, 0x2113 }, { 0x2115, 0x2115 }, { 0x2118, 0x211D }, { 0x2124, 0x2124 }, { 0x2126, 0x2126 }, { 0x2128, 0x2128 }, { 0x212A, 0x2131 }, { 0x2133, 0x2138 }, { 0x2160, 0x2182 }, { 0x3005, 0x3007 }, { 0x3021, 0x3029 }, { 0x3041, 0x3093 }, { 0x309B, 0x309C }, { 0x30A1, 0x30F6 }, { 0x30FB, 0x30FC }, { 0x3105, 0x312C }, { 0x4E00, 0x9FA5 }, { 0xAC00, 0xD7A3 }, }; #ifdef DEBUG for (int i = 0; i < sizeof(table) / sizeof(table[0]); i++) { //printf("%x\n", table[i][0]); assert(table[i][0] <= table[i][1]); if (i < sizeof(table) / sizeof(table[0]) - 1) assert(table[i][1] < table[i + 1][0]); } #endif if (u > 0xD7A3) goto Lisnot; // Binary search int mid; int low; int high; low = 0; high = sizeof(table) / sizeof(table[0]) - 1; while (low <= high) { mid = (low + high) >> 1; if (u < table[mid][0]) high = mid - 1; else if (u > table[mid][1]) low = mid + 1; else goto Lis; } Lisnot: #ifdef DEBUG for (int i = 0; i < sizeof(table) / sizeof(table[0]); i++) { assert(u < table[i][0] || u > table[i][1]); } #endif return 0; Lis: #ifdef DEBUG for (int i = 0; i < sizeof(table) / sizeof(table[0]); i++) { if (u >= table[i][0] && u <= table[i][1]) return 1; } assert(0); // should have been in table #endif return 1; }