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authorMike Gabriel <mike.gabriel@das-netzwerkteam.de>2015-02-02 15:02:49 +0100
committerMike Gabriel <mike.gabriel@das-netzwerkteam.de>2015-02-02 15:02:49 +0100
commitb16b9e4656e7199c2aec74a4c8ebc7a875d3ba73 (patch)
tree4361edef0d42d5bf5ac984ef72b4fac35426eae7 /nx-X11/programs/Xserver/cfb/stipsprc32.s
parent0d5a83e986f39982c0924652a3662e60b1f23162 (diff)
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massive reduction of unneeded files
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-/*
- * $Xorg: stipsprc32.s,v 1.4 2001/02/09 02:04:39 xorgcvs Exp $
- * $XdotOrg: xc/programs/Xserver/cfb/stipsprc32.s,v 1.3 2004/04/26 02:39:58 alanc Exp $
- *
-Copyright 1990, 1998 The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from The Open Group.
- *
- * Author: Keith Packard, MIT X Consortium
- */
-/* $XFree86: xc/programs/Xserver/cfb/stipsprc32.s,v 1.4 2001/01/17 22:36:38 dawes Exp $ */
-
-/*
- * SPARC assembly code for optimized text rendering.
- *
- * Other stippling could be done in assembly, but the payoff is
- * not nearly as large. Mostly because large areas are heavily
- * optimized already.
- */
-
-/* not that I expect to ever see an LSB SPARC, but ... */
-#ifdef LITTLE_ENDIAN
-# define BitsR sll
-# define BitsL srl
-# define WO(o) 3-o
-# define FourBits(dest,bits) and bits, 0xf, dest
-#else
-# define BitsR srl
-# define BitsL sll
-# define WO(o) o
-# define FourBits(dest,bits) srl bits, 28, dest
-#endif
-
-/*
- * cfb32StippleStack(addr, stipple, value, stride, Count, Shift)
- * 4 5 6 7 16(sp) 20(sp)
- *
- * Apply successive 32-bit stipples starting at addr, addr+stride, ...
- *
- * Used for text rendering, but only when no data could be lost
- * when the stipple is shifted left by Shift bits
- */
-/* arguments */
-#define addr %i0
-#define stipple %i1
-#define value %i2
-#define stride %i3
-#define count %i4
-#define shift %i5
-
-/* local variables */
-#define atemp %l0
-#define bits %l1
-#define lshift %l2
-#define sbase %l3
-#define stemp %l4
-
-#define CASE_SIZE 5 /* case blocks are 2^5 bytes each */
-#define CASE_MASK 0x1e0 /* first case mask */
-
-#define ForEachLine LY1
-#define NextLine LY2
-#define CaseBegin LY3
-#define ForEachBits LY4
-#define NextBits LY5
-
-#if defined(SVR4) || defined(__ELF__)
-#ifdef TETEXT
-#define _cfb32StippleStack cfb32StippleStackTE
-#else
-#define _cfb32StippleStack cfb32StippleStack
-#endif
-#else
-#ifdef TETEXT
-#define _cfb32StippleStack _cfb32StippleStackTE
-#endif
-#endif
-
- .seg "text"
- .proc 16
- .globl _cfb32StippleStack
-_cfb32StippleStack:
- save %sp,-64,%sp
-#ifdef SHAREDCODE
-1:
- call 2f
- nop
-2:
- mov %o7,sbase /* sbase = 1b(1:) */
- add sbase, CaseBegin-1b, sbase
-#else /* !SHAREDCODE */
- sethi %hi(CaseBegin),sbase /* load up switch table */
- or sbase,%lo(CaseBegin),sbase
-#endif /* !SHAREDCODE */
- mov 4,lshift /* compute offset within */
- sub lshift, shift, lshift /* stipple of remaining bits */
-#ifdef LITTLE_ENDIAN
- inc CASE_SIZE, shift /* first shift for LSB */
-#else
- inc 28-CASE_SIZE, shift /* first shift for MSB */
-#endif
- /* do ... while (--count > 0); */
-ForEachLine:
- ld [stipple],bits /* get stipple bits */
- mov addr,atemp /* set up for this line */
-#ifdef TETEXT
- /* Terminal emulator fonts are expanded and have many 0 rows */
- tst bits
- bz NextLine /* skip out early on 0 */
-#endif
- add addr, stride, addr /* step for the loop */
- BitsR bits, shift, stemp /* get first bits */
- and stemp, CASE_MASK, stemp /* compute first jump */
- BitsL bits, lshift, bits /* set remaining bits */
- jmp sbase+stemp /* ... */
- tst bits
-
-ForEachBits:
- inc 16, atemp
-ForEachBits1:
- FourBits(stemp, bits) /* compute jump for */
- sll stemp, CASE_SIZE, stemp /* these four bits */
- BitsL bits, 4, bits /* step for remaining bits */
- jmp sbase+stemp /* jump */
- tst bits
-CaseBegin:
- bnz,a ForEachBits1 /* 0 */
- inc 16, atemp
-NextLine:
- deccc 1, count
-NextLine1:
- bnz,a ForEachLine
- inc 4, stipple
- ret
- restore
- nop
-
- bnz ForEachBits /* 1 */
- st value, [atemp+WO(12)]
- deccc 1, count
- bnz,a ForEachLine
- inc 4, stipple
- ret
- restore
- nop
-
- bnz ForEachBits /* 2 */
- st value, [atemp+WO(8)]
- deccc 1, count
- bnz,a ForEachLine
- inc 4, stipple
- ret
- restore
- nop
-
- st value, [atemp+WO(8)] /* 3 */
- bnz ForEachBits
- st value, [atemp+WO(12)]
- deccc 1, count
- bnz,a ForEachLine
- inc 4, stipple
- ret
- restore
-
- bnz ForEachBits /* 4 */
- st value, [atemp+WO(4)]
- deccc 1, count
- bnz,a ForEachLine
- inc 4, stipple
- ret
- restore
- nop
-
- st value, [atemp+WO(4)] /* 5 */
- bnz ForEachBits
- st value, [atemp+WO(12)]
- deccc 1, count
- bnz,a ForEachLine
- inc 4, stipple
- ret
- restore
-
- st value, [atemp+WO(4)] /* 6 */
- bnz ForEachBits
- st value, [atemp+WO(8)]
- deccc 1, count
- bnz,a ForEachLine
- inc 4, stipple
- ret
- restore
-
- st value, [atemp+WO(4)] /* 7 */
- st value, [atemp+WO(8)]
- bnz ForEachBits
- st value, [atemp+WO(12)]
- b NextLine1
- deccc 1, count
- nop
- nop
-
- bnz ForEachBits /* 8 */
- st value, [atemp+WO(0)]
- deccc 1, count
- bnz,a ForEachLine
- inc 4, stipple
- ret
- restore
- nop
-
- st value, [atemp+WO(0)] /* 9 */
- bnz ForEachBits
- st value, [atemp+WO(12)]
- deccc 1, count
- bnz,a ForEachLine
- inc 4, stipple
- ret
- restore
-
- st value, [atemp+WO(0)] /* a */
- bnz ForEachBits
- st value, [atemp+WO(8)]
- deccc 1, count
- bnz,a ForEachLine
- inc 4, stipple
- ret
- restore
-
- st value, [atemp+WO(0)] /* b */
- st value, [atemp+WO(8)]
- bnz ForEachBits
- st value, [atemp+WO(12)]
- b NextLine1
- deccc 1, count
- nop
- nop
-
- st value, [atemp+WO(0)] /* c */
- bnz ForEachBits
- st value, [atemp+WO(4)]
- deccc 1, count
- bnz,a ForEachLine
- inc 4, stipple
- ret
- restore
-
- st value, [atemp+WO(0)] /* d */
- st value, [atemp+WO(4)]
- bnz ForEachBits
- st value, [atemp+WO(12)]
- b NextLine1
- deccc 1, count
- nop
- nop
-
- st value, [atemp+WO(0)] /* e */
- st value, [atemp+WO(4)]
- bnz ForEachBits
- st value, [atemp+WO(8)]
- b NextLine1
- deccc 1, count
- nop
- nop
-
- st value, [atemp+WO(0)] /* f */
- st value, [atemp+WO(4)]
- st value, [atemp+WO(8)]
- bnz ForEachBits
- st value, [atemp+WO(12)]
- deccc 1, count
- bnz,a ForEachLine
- inc 4, stipple
- ret
- restore