From 6d550ddd129b18cf800eab604f74536754526cd8 Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Mon, 1 Sep 2014 20:44:20 +0200 Subject: sparc: remove sparc64/sparcv9 code The sparc64/sparcv9 code is incomplete. Furthermore there is no real embedded hardware for sparc64 available, so better remove it until someone comes up with a complete port. Signed-off-by: Waldemar Brodkorb Signed-off-by: Bernhard Reutner-Fischer --- libc/string/sparc/sparc64/stpcpy.S | 270 ------------------------------------- 1 file changed, 270 deletions(-) delete mode 100644 libc/string/sparc/sparc64/stpcpy.S (limited to 'libc/string/sparc/sparc64/stpcpy.S') diff --git a/libc/string/sparc/sparc64/stpcpy.S b/libc/string/sparc/sparc64/stpcpy.S deleted file mode 100644 index 9af0d5667..000000000 --- a/libc/string/sparc/sparc64/stpcpy.S +++ /dev/null @@ -1,270 +0,0 @@ -/* Copy SRC to DEST returning the address of the terminating '\0' in DEST. - For SPARC v9. - Copyright (C) 1998, 1999, 2002, 2003, 2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jan Vondrak and - Jakub Jelinek . - - 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 - . */ - -#include -#ifndef XCC - .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(stpcpy) - sethi %hi(0x01010101), %g1 /* IEU0 Group */ - or %g1, %lo(0x01010101), %g1 /* IEU0 Group */ - andcc %o0, 7, %g0 /* IEU1 */ - sllx %g1, 32, %g2 /* IEU0 Group */ - - bne,pn %icc, 12f /* CTI */ - andcc %o1, 7, %g3 /* IEU1 */ - or %g1, %g2, %g1 /* IEU0 Group */ - bne,pn %icc, 14f /* CTI */ - - sllx %g1, 7, %g2 /* IEU0 Group */ -1: ldx [%o1], %o3 /* Load */ - add %o1, 8, %o1 /* IEU1 */ -2: mov %o3, %g3 /* IEU0 Group */ - - sub %o3, %g1, %o2 /* IEU1 */ -3: ldxa [%o1] ASI_PNF, %o3 /* Load */ -#ifdef EIGHTBIT_NOT_RARE - andn %o2, %g3, %o2 /* IEU0 Group */ -#endif - add %o0, 8, %o0 /* IEU0 Group */ - andcc %o2, %g2, %g0 /* IEU1 */ - - add %o1, 8, %o1 /* IEU0 Group */ - be,a,pt %xcc, 2b /* CTI */ - stx %g3, [%o0 - 8] /* Store */ - srlx %g3, 56, %g5 /* IEU0 Group */ - - andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 11f /* CTI */ - srlx %g3, 48, %g4 /* IEU0 */ - andcc %g4, 0xff, %g0 /* IEU1 Group */ - - be,pn %icc, 10f /* CTI */ - srlx %g3, 40, %g5 /* IEU0 */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 9f /* CTI */ - - srlx %g3, 32, %g4 /* IEU0 */ - andcc %g4, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 8f /* CTI */ - srlx %g3, 24, %g5 /* IEU0 */ - - andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 7f /* CTI */ - srlx %g3, 16, %g4 /* IEU0 */ - andcc %g4, 0xff, %g0 /* IEU1 Group */ - - be,pn %icc, 6f /* CTI */ - srlx %g3, 8, %g5 /* IEU0 */ - andcc %g5, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 5f /* CTI */ - - sub %o3, %g1, %o2 /* IEU0 */ - stx %g3, [%o0 - 8] /* Store Group */ - andcc %g3, 0xff, %g0 /* IEU1 */ - bne,pt %icc, 3b /* CTI */ - - mov %o3, %g3 /* IEU0 Group */ -4: retl /* CTI+IEU1 Group */ - sub %o0, 1, %o0 /* IEU0 */ - - .align 16 -6: ba,pt %xcc, 23f /* CTI Group */ - sub %o0, 3, %g6 /* IEU0 */ -5: sub %o0, 2, %g6 /* IEU0 Group */ - stb %g5, [%o0 - 2] /* Store */ - - srlx %g3, 16, %g4 /* IEU0 Group */ -23: sth %g4, [%o0 - 4] /* Store */ - srlx %g3, 32, %g4 /* IEU0 Group */ - stw %g4, [%o0 - 8] /* Store */ - - retl /* CTI+IEU1 Group */ - mov %g6, %o0 /* IEU0 */ -8: ba,pt %xcc, 24f /* CTI Group */ - sub %o0, 5, %g6 /* IEU0 */ - -7: sub %o0, 4, %g6 /* IEU0 Group */ - stb %g5, [%o0 - 4] /* Store */ - srlx %g3, 32, %g4 /* IEU0 Group */ -24: stw %g4, [%o0 - 8] /* Store */ - - retl /* CTI+IEU1 Group */ - mov %g6, %o0 /* IEU0 */ -10: ba,pt %xcc, 25f /* CTI Group */ - sub %o0, 7, %g6 /* IEU0 */ - -9: sub %o0, 6, %g6 /* IEU0 Group */ - stb %g5, [%o0 - 6] /* Store */ - srlx %g3, 48, %g4 /* IEU0 */ -25: sth %g4, [%o0 - 8] /* Store Group */ - - retl /* CTI+IEU1 Group */ - mov %g6, %o0 /* IEU0 */ -11: stb %g5, [%o0 - 8] /* Store Group */ - retl /* CTI+IEU1 Group */ - - sub %o0, 8, %o0 /* IEU0 */ - - .align 16 -12: or %g1, %g2, %g1 /* IEU0 Group */ - ldub [%o1], %o3 /* Load */ - sllx %g1, 7, %g2 /* IEU0 Group */ - stb %o3, [%o0] /* Store Group */ - -13: add %o0, 1, %o0 /* IEU0 */ - add %o1, 1, %o1 /* IEU1 */ - andcc %o3, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 4b /* CTI */ - - lduba [%o1] ASI_PNF, %o3 /* Load */ - andcc %o0, 7, %g0 /* IEU1 Group */ - bne,a,pt %icc, 13b /* CTI */ - stb %o3, [%o0] /* Store */ - - andcc %o1, 7, %g3 /* IEU1 Group */ - be,a,pt %icc, 1b /* CTI */ - ldx [%o1], %o3 /* Load */ -14: orcc %g0, 64, %g4 /* IEU1 Group */ - - sllx %g3, 3, %g5 /* IEU0 */ - sub %o1, %g3, %o1 /* IEU0 Group */ - sub %g4, %g5, %g4 /* IEU1 */ - /* %g1 = 0101010101010101 * - * %g2 = 8080808080808080 * - * %g3 = source alignment * - * %g5 = number of bits to shift left * - * %g4 = number of bits to shift right */ - ldxa [%o1] ASI_PNF, %o5 /* Load Group */ - - addcc %o1, 8, %o1 /* IEU1 */ -15: sllx %o5, %g5, %o3 /* IEU0 Group */ - ldxa [%o1] ASI_PNF, %o5 /* Load */ - srlx %o5, %g4, %o4 /* IEU0 Group */ - - add %o0, 8, %o0 /* IEU1 */ - or %o3, %o4, %o3 /* IEU0 Group */ - add %o1, 8, %o1 /* IEU1 */ - sub %o3, %g1, %o4 /* IEU0 Group */ - -#ifdef EIGHTBIT_NOT_RARE - andn %o4, %o3, %o4 /* IEU0 Group */ -#endif - andcc %o4, %g2, %g0 /* IEU1 Group */ - be,a,pt %xcc, 15b /* CTI */ - stx %o3, [%o0 - 8] /* Store */ - srlx %o3, 56, %o4 /* IEU0 Group */ - - andcc %o4, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 22f /* CTI */ - srlx %o3, 48, %o4 /* IEU0 */ - andcc %o4, 0xff, %g0 /* IEU1 Group */ - - be,pn %icc, 21f /* CTI */ - srlx %o3, 40, %o4 /* IEU0 */ - andcc %o4, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 20f /* CTI */ - - srlx %o3, 32, %o4 /* IEU0 */ - andcc %o4, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 19f /* CTI */ - srlx %o3, 24, %o4 /* IEU0 */ - - andcc %o4, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 18f /* CTI */ - srlx %o3, 16, %o4 /* IEU0 */ - andcc %o4, 0xff, %g0 /* IEU1 Group */ - - be,pn %icc, 17f /* CTI */ - srlx %o3, 8, %o4 /* IEU0 */ - andcc %o4, 0xff, %g0 /* IEU1 Group */ - be,pn %icc, 16f /* CTI */ - - andcc %o3, 0xff, %g0 /* IEU1 Group */ - bne,pn %icc, 15b /* CTI */ - stx %o3, [%o0 - 8] /* Store */ - retl /* CTI+IEU1 Group */ - - sub %o0, 1, %o0 /* IEU0 */ - - .align 16 -17: ba,pt %xcc, 26f /* CTI Group */ - subcc %o0, 3, %g6 /* IEU1 */ -18: ba,pt %xcc, 27f /* CTI Group */ - subcc %o0, 4, %g6 /* IEU1 */ - -19: ba,pt %xcc, 28f /* CTI Group */ - subcc %o0, 5, %g6 /* IEU1 */ -16: subcc %o0, 2, %g6 /* IEU1 Group */ - srlx %o3, 8, %o4 /* IEU0 */ - - stb %o4, [%o0 - 2] /* Store */ -26: srlx %o3, 16, %o4 /* IEU0 Group */ - stb %o4, [%o0 - 3] /* Store */ -27: srlx %o3, 24, %o4 /* IEU0 Group */ - - stb %o4, [%o0 - 4] /* Store */ -28: srlx %o3, 32, %o4 /* IEU0 Group */ - stw %o4, [%o0 - 8] /* Store */ - retl /* CTI+IEU1 Group */ - - mov %g6, %o0 /* IEU0 */ - - .align 16 -21: ba,pt %xcc, 29f /* CTI Group */ - subcc %o0, 7, %g6 /* IEU1 */ -22: ba,pt %xcc, 30f /* CTI Group */ - subcc %o0, 8, %g6 /* IEU1 */ - -20: subcc %o0, 6, %g6 /* IEU1 Group */ - srlx %o3, 40, %o4 /* IEU0 */ - stb %o4, [%o0 - 6] /* Store */ -29: srlx %o3, 48, %o4 /* IEU0 Group */ - - stb %o4, [%o0 - 7] /* Store */ -30: srlx %o3, 56, %o4 /* IEU0 Group */ - stb %o4, [%o0 - 8] /* Store */ - retl /* CTI+IEU1 Group */ - - mov %g6, %o0 /* IEU0 */ -END(stpcpy) -libc_hidden_def(stpcpy) -- cgit v1.2.3