diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/hexagon/lib/memset.S')
| -rw-r--r-- | ANDROID_3.4.5/arch/hexagon/lib/memset.S | 315 |
1 files changed, 0 insertions, 315 deletions
diff --git a/ANDROID_3.4.5/arch/hexagon/lib/memset.S b/ANDROID_3.4.5/arch/hexagon/lib/memset.S deleted file mode 100644 index 26d96143..00000000 --- a/ANDROID_3.4.5/arch/hexagon/lib/memset.S +++ /dev/null @@ -1,315 +0,0 @@ -/* - * Copyright (c) 2011 Code Aurora Forum. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - - -/* HEXAGON assembly optimized memset */ -/* Replaces the standard library function memset */ - - - .macro HEXAGON_OPT_FUNC_BEGIN name - .text - .p2align 4 - .globl \name - .type \name, @function -\name: - .endm - - .macro HEXAGON_OPT_FUNC_FINISH name - .size \name, . - \name - .endm - -/* FUNCTION: memset (v2 version) */ -#if __HEXAGON_ARCH__ < 3 -HEXAGON_OPT_FUNC_BEGIN memset - { - r6 = #8 - r7 = extractu(r0, #3 , #0) - p0 = cmp.eq(r2, #0) - p1 = cmp.gtu(r2, #7) - } - { - r4 = vsplatb(r1) - r8 = r0 /* leave r0 intact for return val */ - r9 = sub(r6, r7) /* bytes until double alignment */ - if p0 jumpr r31 /* count == 0, so return */ - } - { - r3 = #0 - r7 = #0 - p0 = tstbit(r9, #0) - if p1 jump 2f /* skip byte loop */ - } - -/* less than 8 bytes to set, so just set a byte at a time and return */ - - loop0(1f, r2) /* byte loop */ - .falign -1: /* byte loop */ - { - memb(r8++#1) = r4 - }:endloop0 - jumpr r31 - .falign -2: /* skip byte loop */ - { - r6 = #1 - p0 = tstbit(r9, #1) - p1 = cmp.eq(r2, #1) - if !p0 jump 3f /* skip initial byte store */ - } - { - memb(r8++#1) = r4 - r3:2 = sub(r3:2, r7:6) - if p1 jumpr r31 - } - .falign -3: /* skip initial byte store */ - { - r6 = #2 - p0 = tstbit(r9, #2) - p1 = cmp.eq(r2, #2) - if !p0 jump 4f /* skip initial half store */ - } - { - memh(r8++#2) = r4 - r3:2 = sub(r3:2, r7:6) - if p1 jumpr r31 - } - .falign -4: /* skip initial half store */ - { - r6 = #4 - p0 = cmp.gtu(r2, #7) - p1 = cmp.eq(r2, #4) - if !p0 jump 5f /* skip initial word store */ - } - { - memw(r8++#4) = r4 - r3:2 = sub(r3:2, r7:6) - p0 = cmp.gtu(r2, #11) - if p1 jumpr r31 - } - .falign -5: /* skip initial word store */ - { - r10 = lsr(r2, #3) - p1 = cmp.eq(r3, #1) - if !p0 jump 7f /* skip double loop */ - } - { - r5 = r4 - r6 = #8 - loop0(6f, r10) /* double loop */ - } - -/* set bytes a double word at a time */ - - .falign -6: /* double loop */ - { - memd(r8++#8) = r5:4 - r3:2 = sub(r3:2, r7:6) - p1 = cmp.eq(r2, #8) - }:endloop0 - .falign -7: /* skip double loop */ - { - p0 = tstbit(r2, #2) - if p1 jumpr r31 - } - { - r6 = #4 - p0 = tstbit(r2, #1) - p1 = cmp.eq(r2, #4) - if !p0 jump 8f /* skip final word store */ - } - { - memw(r8++#4) = r4 - r3:2 = sub(r3:2, r7:6) - if p1 jumpr r31 - } - .falign -8: /* skip final word store */ - { - p1 = cmp.eq(r2, #2) - if !p0 jump 9f /* skip final half store */ - } - { - memh(r8++#2) = r4 - if p1 jumpr r31 - } - .falign -9: /* skip final half store */ - { - memb(r8++#1) = r4 - jumpr r31 - } -HEXAGON_OPT_FUNC_FINISH memset -#endif - - -/* FUNCTION: memset (v3 and higher version) */ -#if __HEXAGON_ARCH__ >= 3 -HEXAGON_OPT_FUNC_BEGIN memset - { - r7=vsplatb(r1) - r6 = r0 - if (r2==#0) jump:nt .L1 - } - { - r5:4=combine(r7,r7) - p0 = cmp.gtu(r2,#8) - if (p0.new) jump:nt .L3 - } - { - r3 = r0 - loop0(.L47,r2) - } - .falign -.L47: - { - memb(r3++#1) = r1 - }:endloop0 /* start=.L47 */ - jumpr r31 -.L3: - { - p0 = tstbit(r0,#0) - if (!p0.new) jump:nt .L8 - p1 = cmp.eq(r2, #1) - } - { - r6 = add(r0, #1) - r2 = add(r2,#-1) - memb(r0) = r1 - if (p1) jump .L1 - } -.L8: - { - p0 = tstbit(r6,#1) - if (!p0.new) jump:nt .L10 - } - { - r2 = add(r2,#-2) - memh(r6++#2) = r7 - p0 = cmp.eq(r2, #2) - if (p0.new) jump:nt .L1 - } -.L10: - { - p0 = tstbit(r6,#2) - if (!p0.new) jump:nt .L12 - } - { - r2 = add(r2,#-4) - memw(r6++#4) = r7 - p0 = cmp.eq(r2, #4) - if (p0.new) jump:nt .L1 - } -.L12: - { - p0 = cmp.gtu(r2,#127) - if (!p0.new) jump:nt .L14 - } - r3 = and(r6,#31) - if (r3==#0) jump:nt .L17 - { - memd(r6++#8) = r5:4 - r2 = add(r2,#-8) - } - r3 = and(r6,#31) - if (r3==#0) jump:nt .L17 - { - memd(r6++#8) = r5:4 - r2 = add(r2,#-8) - } - r3 = and(r6,#31) - if (r3==#0) jump:nt .L17 - { - memd(r6++#8) = r5:4 - r2 = add(r2,#-8) - } -.L17: - { - r3 = lsr(r2,#5) - if (r1!=#0) jump:nt .L18 - } - { - r8 = r3 - r3 = r6 - loop0(.L46,r3) - } - .falign -.L46: - { - dczeroa(r6) - r6 = add(r6,#32) - r2 = add(r2,#-32) - }:endloop0 /* start=.L46 */ -.L14: - { - p0 = cmp.gtu(r2,#7) - if (!p0.new) jump:nt .L28 - r8 = lsr(r2,#3) - } - loop0(.L44,r8) - .falign -.L44: - { - memd(r6++#8) = r5:4 - r2 = add(r2,#-8) - }:endloop0 /* start=.L44 */ -.L28: - { - p0 = tstbit(r2,#2) - if (!p0.new) jump:nt .L33 - } - { - r2 = add(r2,#-4) - memw(r6++#4) = r7 - } -.L33: - { - p0 = tstbit(r2,#1) - if (!p0.new) jump:nt .L35 - } - { - r2 = add(r2,#-2) - memh(r6++#2) = r7 - } -.L35: - p0 = cmp.eq(r2,#1) - if (p0) memb(r6) = r1 -.L1: - jumpr r31 -.L18: - loop0(.L45,r3) - .falign -.L45: - dczeroa(r6) - { - memd(r6++#8) = r5:4 - r2 = add(r2,#-32) - } - memd(r6++#8) = r5:4 - memd(r6++#8) = r5:4 - { - memd(r6++#8) = r5:4 - }:endloop0 /* start=.L45 */ - jump .L14 -HEXAGON_OPT_FUNC_FINISH memset -#endif |