diff options
author | Waldemar Brodkorb <wbx@openadk.org> | 2014-09-04 15:18:54 +0200 |
---|---|---|
committer | Waldemar Brodkorb <wbx@openadk.org> | 2014-09-04 15:18:54 +0200 |
commit | 36043b37739dffdaea8d31457570810e492268d7 (patch) | |
tree | 0045cba85b862ecca89cf7b5aff336bddbabad89 /libc/string/sparc/sparc64/strchr.S | |
parent | a5352e212fcd4da83c8ff4fe542ef23c8e3187f8 (diff) | |
parent | 6d550ddd129b18cf800eab604f74536754526cd8 (diff) |
Merge remote-tracking branch 'origin/upstream'
Diffstat (limited to 'libc/string/sparc/sparc64/strchr.S')
-rw-r--r-- | libc/string/sparc/sparc64/strchr.S | 485 |
1 files changed, 0 insertions, 485 deletions
diff --git a/libc/string/sparc/sparc64/strchr.S b/libc/string/sparc/sparc64/strchr.S deleted file mode 100644 index 25810fd1a..000000000 --- a/libc/string/sparc/sparc64/strchr.S +++ /dev/null @@ -1,485 +0,0 @@ -/* strchr (str, ch) -- Return pointer to first occurrence of CH in STR. - For SPARC v9. - Copyright (C) 1998, 1999, 2003 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jan Vondrak <jvon4518@ss1000.ms.mff.cuni.cz> and - Jakub Jelinek <jj@ultra.linux.cz>. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <features.h> -#include <asm/asi.h> -#ifndef XCC -#define XCC xcc -#define USE_BPR - .register %g2, #scratch - .register %g3, #scratch - .register %g6, #scratch -#endif - - /* Normally, this uses - ((xword - 0x0101010101010101) & 0x8080808080808080) test - to find out if any byte in xword could be zero. This is fast, but - also gives false alarm for any byte in range 0x81-0xff. It does - not matter for correctness, as if this test tells us there could - be some zero byte, we check it byte by byte, but if bytes with - high bits set are common in the strings, then this will give poor - performance. You can #define EIGHTBIT_NOT_RARE and the algorithm - will use one tick slower, but more precise test - ((xword - 0x0101010101010101) & (~xword) & 0x8080808080808080), - which does not give any false alarms (but if some bits are set, - one cannot assume from it which bytes are zero and which are not). - It is yet to be measured, what is the correct default for glibc - in these days for an average user. - */ - - .text - .align 32 -ENTRY(strchr) - andcc %o1, 0xff, %o1 /* IEU1 Group */ - be,pn %icc, 17f /* CTI */ - sllx %o1, 8, %g3 /* IEU0 Group */ - sethi %hi(0x01010101), %g1 /* IEU1 */ - - or %g3, %o1, %g3 /* IEU0 Group */ - ldub [%o0], %o3 /* Load */ - sllx %g3, 16, %g5 /* IEU0 Group */ - or %g1, %lo(0x01010101), %g1 /* IEU1 */ - - sllx %g1, 32, %g2 /* IEU0 Group */ - brz,pn %o3, 5f /* CTI+IEU1 */ - orcc %g3, %g5, %g3 /* IEU1 Group */ - sllx %g3, 32, %g5 /* IEU0 */ - - cmp %o3, %o1 /* IEU1 Group */ - be,pn %xcc, 14f /* CTI */ - or %g1, %g2, %g1 /* IEU0 */ - andcc %o0, 7, %g0 /* IEU1 Group */ - - bne,a,pn %icc, 15f /* CTI */ - add %o0, 1, %o0 /* IEU0 */ - ldx [%o0], %o3 /* Load Group */ -1: sllx %g1, 7, %g2 /* IEU0 */ - - or %g3, %g5, %g3 /* IEU1 */ - add %o0, 8, %o0 /* IEU0 Group */ - xor %o3, %g3, %o4 /* IEU1 */ - /* %g1 = 0101010101010101 * - * %g2 = 8080088080808080 * - * %g3 = c c c c c c c c * - * %o3 = value * - * %o4 = value XOR c */ -2: sub %o3, %g1, %o2 /* IEU0 Group */ - - sub %o4, %g1, %o5 /* IEU1 */ -#ifdef EIGHTBIT_NOT_RARE - andn %o2, %o3, %g6 /* IEU0 Group */ - andn %o5, %o4, %o5 /* IEU1 */ - ldxa [%o0] ASI_PNF, %o3 /* Load */ - or %o5, %g6, %o5 /* IEU0 Group */ -#else - ldxa [%o0] ASI_PNF, %o3 /* Load */ - or %o5, %o2, %o5 /* IEU0 Group */ -#endif - add %o0, 8, %o0 /* IEU1 */ - - andcc %o5, %g2, %g0 /* IEU1 Group */ - be,a,pt %xcc, 2b /* CTI */ - xor %o3, %g3, %o4 /* IEU0 */ - srlx %o5, 32, %g5 /* IEU0 Group */ - - add %o2, %g1, %o2 /* IEU1 */ -3: andcc %g5, %g2, %g0 /* IEU1 Group */ - be,pn %xcc, 4f /* CTI */ - srlx %o2, 56, %g5 /* IEU0 */ - - andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 5f /* CTI */ - srlx %o4, 56, %g5 /* IEU0 */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - - be,pn %icc, 6f /* CTI */ - srlx %o2, 48, %g5 /* IEU0 */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 5f /* CTI */ - - srlx %o4, 48, %g5 /* IEU0 */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 7f /* CTI */ - srlx %o2, 40, %g5 /* IEU0 */ - - andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 5f /* CTI */ - srlx %o4, 40, %g5 /* IEU0 */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - - be,pn %icc, 8f /* CTI */ - srlx %o2, 32, %g5 /* IEU0 */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 5f /* CTI */ - - srlx %o4, 32, %g5 /* IEU0 */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 9f /* CTI */ -4: srlx %o2, 24, %g5 /* IEU0 */ - - andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 5f /* CTI */ - srlx %o4, 24, %g5 /* IEU0 */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - - be,pn %icc, 10f /* CTI */ - srlx %o2, 16, %g5 /* IEU0 */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 5f /* CTI */ - - srlx %o4, 16, %g5 /* IEU0 */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 11f /* CTI */ - srlx %o2, 8, %g5 /* IEU0 */ - - andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 5f /* CTI */ - srlx %o4, 8, %g5 /* IEU0 */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - - be,pn %icc, 12f /* CTI */ - andcc %o2, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 5f /* CTI */ - sub %o3, %g1, %o2 /* IEU0 */ - - andcc %o4, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 13f /* CTI */ - xor %o3, %g3, %o4 /* IEU0 */ - ldxa [%o0] ASI_PNF, %o3 /* Load Group */ - - sub %o4, %g1, %o5 /* IEU0 */ - or %o5, %o2, %o5 /* IEU1 */ - add %o0, 8, %o0 /* IEU0 Group */ - andcc %o5, %g2, %g0 /* IEU1 */ - - be,a,pt %xcc, 2b /* CTI */ - xor %o3, %g3, %o4 /* IEU0 Group */ - srlx %o5, 32, %g5 /* IEU0 Group */ - ba,pt %xcc, 3b /* CTI */ - - add %o2, %g1, %o2 /* IEU1 */ - - .align 16 -5: retl /* CTI+IEU1 Group */ - clr %o0 /* IEU0 */ -6: retl /* CTI+IEU1 Group */ - add %o0, -16, %o0 /* IEU0 */ - -7: retl /* CTI+IEU1 Group */ - add %o0, -15, %o0 /* IEU0 */ -8: retl /* CTI+IEU1 Group */ - add %o0, -14, %o0 /* IEU0 */ - -9: retl /* CTI+IEU1 Group */ - add %o0, -13, %o0 /* IEU0 */ -10: retl /* CTI+IEU1 Group */ - add %o0, -12, %o0 /* IEU0 */ - -11: retl /* CTI+IEU1 Group */ - add %o0, -11, %o0 /* IEU0 */ -12: retl /* CTI+IEU1 Group */ - add %o0, -10, %o0 /* IEU0 */ - -13: retl /* CTI+IEU1 Group */ - add %o0, -9, %o0 /* IEU0 */ -14: retl /* CTI+IEU1 Group */ - nop /* IEU0 */ - - .align 16 -15: ldub [%o0], %o3 /* Load Group */ -16: andcc %o0, 7, %g0 /* IEU1 */ - be,a,pn %icc, 1b /* CTI */ - ldx [%o0], %o3 /* Load Group */ - - andcc %o3, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 5b /* CTI */ - add %o0, 1, %o0 /* IEU0 */ - cmp %o3, %o1 /* IEU1 Group */ - - bne,a,pn %icc, 16b /* CTI */ - ldub [%o0], %o3 /* Load */ - retl /* CTI+IEU1 Group */ - add %o0, -1, %o0 /* IEU0 */ - - /* strchr (str, 0) */ - .align 32 - nop - .align 16 -17: sethi %hi(0x01010101), %g1 /* IEU0 Group */ - ldub [%o0], %o3 /* Load */ - or %g1, %lo(0x01010101), %g1 /* IEU0 Group */ - sllx %g1, 32, %g2 /* IEU0 Group */ - - andcc %o0, 7, %g0 /* IEU1 */ - or %g1, %g2, %g1 /* IEU0 Group */ - bne,pn %icc, 32f /* CTI */ - sllx %g1, 7, %g2 /* IEU0 Group */ - - brz,pn %o3, 30f /* CTI+IEU1 */ - ldx [%o0], %o3 /* Load */ -18: add %o0, 8, %o0 /* IEU0 Group */ -19: sub %o3, %g1, %o2 /* IEU0 Group */ - -#ifdef EIGHTBIT_NOT_RARE - andn %o2, %o3, %g6 /* IEU0 Group */ - ldxa [%o0] ASI_PNF, %o3 /* Load */ - andcc %g6, %g2, %g0 /* IEU1 Group */ -#else - ldxa [%o0] ASI_PNF, %o3 /* Load */ - andcc %o2, %g2, %g0 /* IEU1 Group */ -#endif - be,pt %xcc, 19b /* CTI */ - add %o0, 8, %o0 /* IEU0 */ - - addcc %o2, %g1, %g3 /* IEU1 Group */ - srlx %o2, 32, %o2 /* IEU0 */ -20: andcc %o2, %g2, %g0 /* IEU1 Group */ - be,pn %xcc, 21f /* CTI */ - - srlx %g3, 56, %o2 /* IEU0 */ - andcc %o2, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 29f /* CTI */ - srlx %g3, 48, %o2 /* IEU0 */ - - andcc %o2, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 28f /* CTI */ - srlx %g3, 40, %o2 /* IEU0 */ - andcc %o2, 0xff, %g0 /* IEU1 Group */ - - be,pn %icc, 27f /* CTI */ - srlx %g3, 32, %o2 /* IEU0 */ - andcc %o2, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 26f /* CTI */ - -21: srlx %g3, 24, %o2 /* IEU0 */ - andcc %o2, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 25f /* CTI */ - srlx %g3, 16, %o2 /* IEU0 */ - - andcc %o2, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 24f /* CTI */ - srlx %g3, 8, %o2 /* IEU0 */ - andcc %o2, 0xff, %g0 /* IEU1 Group */ - - be,pn %icc, 23f /* CTI */ - sub %o3, %g1, %o2 /* IEU0 */ - andcc %g3, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 22f /* CTI */ - - ldxa [%o0] ASI_PNF, %o3 /* Load */ - andcc %o2, %g2, %g0 /* IEU1 Group */ - be,pt %xcc, 19b /* CTI */ - add %o0, 8, %o0 /* IEU0 */ - - addcc %o2, %g1, %g3 /* IEU1 Group */ - ba,pt %xcc, 20b /* CTI */ - srlx %o2, 32, %o2 /* IEU0 */ - - .align 16 -22: retl /* CTI+IEU1 Group */ - add %o0, -9, %o0 /* IEU0 */ -23: retl /* CTI+IEU1 Group */ - add %o0, -10, %o0 /* IEU0 */ - -24: retl /* CTI+IEU1 Group */ - add %o0, -11, %o0 /* IEU0 */ -25: retl /* CTI+IEU1 Group */ - add %o0, -12, %o0 /* IEU0 */ - -26: retl /* CTI+IEU1 Group */ - add %o0, -13, %o0 /* IEU0 */ -27: retl /* CTI+IEU1 Group */ - add %o0, -14, %o0 /* IEU0 */ - -28: retl /* CTI+IEU1 Group */ - add %o0, -15, %o0 /* IEU0 */ -29: retl /* CTI+IEU1 Group */ - add %o0, -16, %o0 /* IEU0 */ - -30: retl /* CTI+IEU1 Group */ - nop /* IEU0 */ - - .align 16 -32: andcc %o0, 7, %g0 /* IEU1 Group */ - be,a,pn %icc, 18b /* CTI */ - ldx [%o0], %o3 /* Load */ - add %o0, 1, %o0 /* IEU0 Group */ - - brnz,a,pt %o3, 32b /* CTI+IEU1 */ - lduba [%o0] ASI_PNF, %o3 /* Load */ - retl /* CTI+IEU1 Group */ - add %o0, -1, %o0 /* IEU0 */ -END(strchr) -libc_hidden_def(strchr) -#ifdef __UCLIBC_SUSV3_LEGACY__ -strong_alias(strchr,index) -#endif - - .align 32 -ENTRY(strrchr) - andcc %o1, 0xff, %o1 /* IEU1 Group */ - be,pn %icc, 17b /* CTI */ - clr %g4 /* IEU0 */ - andcc %o0, 7, %g0 /* IEU1 Group */ - - bne,pn %icc, 13f /* CTI */ - sllx %o1, 8, %g3 /* IEU0 */ - ldx [%o0], %o3 /* Load Group */ -1: sethi %hi(0x01010101), %g1 /* IEU0 */ - - or %g3, %o1, %g3 /* IEU1 */ - sllx %g3, 16, %g5 /* IEU0 Group */ - or %g1, %lo(0x01010101), %g1 /* IEU1 */ - sllx %g1, 32, %g2 /* IEU0 Group */ - - or %g3, %g5, %g3 /* IEU1 */ - sllx %g3, 32, %g5 /* IEU0 Group */ - or %g1, %g2, %g1 /* IEU1 */ - sllx %g1, 7, %g2 /* IEU0 Group */ - - or %g3, %g5, %g3 /* IEU1 */ - add %o0, 8, %o0 /* IEU0 Group */ - xor %o3, %g3, %o4 /* IEU1 */ - /* %g1 = 0101010101010101 * - * %g2 = 8080088080808080 * - * %g3 = c c c c c c c c * - * %o3 = value * - * %o4 = value XOR c */ -2: sub %o3, %g1, %o2 /* IEU0 Group */ - -3: sub %o4, %g1, %o5 /* IEU1 */ -#ifdef EIGHTBIT_NOT_RARE - andn %o2, %o3, %g6 /* IEU0 Group */ - andn %o5, %o4, %o5 /* IEU1 */ - ldxa [%o0] ASI_PNF, %o3 /* Load */ - - or %o5, %g6, %o5 /* IEU0 Group */ -#else - ldxa [%o0] ASI_PNF, %o3 /* Load */ - - or %o5, %o2, %o5 /* IEU0 Group */ -#endif - add %o0, 8, %o0 /* IEU1 */ - andcc %o5, %g2, %g0 /* IEU1 Group */ - be,a,pt %xcc, 2b /* CTI */ - - xor %o3, %g3, %o4 /* IEU0 */ - srlx %o5, 32, %g5 /* IEU0 Group */ - add %o2, %g1, %o2 /* IEU1 */ - andcc %g5, %g2, %g0 /* IEU1 Group */ - - be,pn %xcc, 7f /* CTI */ - srlx %o2, 56, %g5 /* IEU0 */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 12f /* CTI */ - - srlx %o4, 56, %g5 /* IEU0 */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - srlx %o2, 48, %g5 /* IEU0 */ - be,a,pn %icc, 4f /* CTI */ - - add %o0, -16, %g4 /* IEU0 Group */ -4: andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 12f /* CTI */ - srlx %o4, 48, %g5 /* IEU0 */ - - andcc %g5, 0xff, %g0 /* IEU1 Group */ - srlx %o2, 40, %g5 /* IEU0 */ - be,a,pn %icc, 5f /* CTI */ - add %o0, -15, %g4 /* IEU0 Group */ - -5: andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 12f /* CTI */ - srlx %o4, 40, %g5 /* IEU0 */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - - srlx %o2, 32, %g5 /* IEU0 */ - be,a,pn %icc, 6f /* CTI */ - add %o0, -14, %g4 /* IEU0 Group */ -6: andcc %g5, 0xff, %g0 /* IEU1 Group */ - - be,pn %icc, 12f /* CTI */ - srlx %o4, 32, %g5 /* IEU0 */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,a,pn %icc, 7f /* CTI */ - - add %o0, -13, %g4 /* IEU0 */ -7: srlx %o2, 24, %g5 /* IEU0 */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 12f /* CTI */ - - srlx %o4, 24, %g5 /* IEU0 */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - srlx %o2, 16, %g5 /* IEU0 */ - be,a,pn %icc, 8f /* CTI */ - - add %o0, -12, %g4 /* IEU0 Group */ -8: andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 12f /* CTI */ - srlx %o4, 16, %g5 /* IEU0 */ - - andcc %g5, 0xff, %g0 /* IEU1 Group */ - srlx %o2, 8, %g5 /* IEU0 */ - be,a,pn %icc, 9f /* CTI */ - add %o0, -11, %g4 /* IEU0 Group */ - -9: andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 12f /* CTI */ - srlx %o4, 8, %g5 /* IEU0 */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - - be,a,pn %icc, 10f /* CTI */ - add %o0, -10, %g4 /* IEU0 */ -10: andcc %o2, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 12f /* CTI */ - - sub %o3, %g1, %o2 /* IEU0 */ - andcc %o4, 0xff, %g0 /* IEU1 Group */ - be,a,pn %icc, 11f /* CTI */ - add %o0, -9, %g4 /* IEU0 */ - -11: ba,pt %xcc, 3b /* CTI Group */ - xor %o3, %g3, %o4 /* IEU0 Group */ -12: retl /* CTI+IEU1 Group */ - mov %g4, %o0 /* IEU0 */ - - .align 16 -13: ldub [%o0], %o3 /* Load Group */ - add %o0, 1, %o0 /* IEU0 */ -14: andcc %o3, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 12b /* CTI */ - - cmp %o3, %o1 /* IEU1 Group */ - ldub [%o0], %o3 /* Load */ - be,a,pn %icc, 15f /* CTI */ - add %o0, -1, %g4 /* IEU0 Group */ - -15: andcc %o0, 7, %g0 /* IEU1 Group */ - bne,a,pt %icc, 14b /* CTI */ - add %o0, 1, %o0 /* IEU0 */ - ba,pt %xcc, 1b /* CTI Group */ - - ldx [%o0], %o3 /* Load */ -END(strrchr) -libc_hidden_def(strrchr) -#ifdef __UCLIBC_SUSV3_LEGACY__ -strong_alias(strrchr,rindex) -#endif |