diff options
Diffstat (limited to 'sysdeps/sparc/sparc64')
| -rw-r--r-- | sysdeps/sparc/sparc64/sparcv9b/memcpy.S | 713 |
1 files changed, 713 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/sparcv9b/memcpy.S b/sysdeps/sparc/sparc64/sparcv9b/memcpy.S new file mode 100644 index 0000000000..de747680c1 --- /dev/null +++ b/sysdeps/sparc/sparc64/sparcv9b/memcpy.S @@ -0,0 +1,713 @@ +/* Copy SIZE bytes from SRC to DEST. + For UltraSPARC-III. + Copyright (C) 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David S. Miller (davem@redhat.com) + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <sysdep.h> +#define ASI_BLK_P 0xf0 +#define FPRS_FEF 0x04 +#define VISEntryHalf rd %fprs, %o5; wr %g0, FPRS_FEF, %fprs +#define VISExitHalf and %o5, FPRS_FEF, %o5; wr %o5, 0x0, %fprs +#define SMALL_COPY_USES_FPU + +#ifndef XCC +#define USE_BPR +#define XCC xcc +#endif + + .text + .align 32 + +ENTRY(bcopy) + sub %o1, %o0, %o4 /* IEU0 Group */ + mov %o0, %g3 /* IEU1 */ + cmp %o4, %o2 /* IEU1 Group */ + mov %o1, %o0 /* IEU0 */ + bgeu,pt %XCC, 100f /* CTI */ + mov %g3, %o1 /* IEU0 Group */ +#ifndef USE_BPR + srl %o2, 0, %o2 /* IEU1 */ +#endif + brnz,pn %o2, 220f /* CTI Group */ + add %o0, %o2, %o0 /* IEU0 */ + retl + nop +END(bcopy) + + /* Special/non-trivial issues of this code: + * + * 1) %o5 is preserved from VISEntryHalf to VISExitHalf + * 2) Only low 32 FPU registers are used so that only the + * lower half of the FPU register set is dirtied by this + * code. This is especially important in the kernel. + * 3) This code never prefetches cachelines past the end + * of the source buffer. + * + * The cheetah's flexible spine, oversized liver, enlarged heart, + * slender muscular body, and claws make it the swiftest hunter + * in Africa and the fastest animal on land. Can reach speeds + * of up to 2.4GB per second. + */ + .align 32 +ENTRY(memcpy) + +100: /* %o0=dst, %o1=src, %o2=len */ +#ifndef __KERNEL__ + /* Save away original 'dst' for memcpy return value. */ + mov %o0, %g3 ! A0 Group +#endif + /* Anything to copy at all? */ + cmp %o2, 0 ! A1 + ble,pn %XCC, 102f ! BR + + /* Extremely small copy? */ +218: cmp %o2, 31 ! A0 Group + ble,pn %XCC, 101f ! BR + + /* Large enough to use unrolled prefetch loops? */ + cmp %o2, 0x100 ! A1 + bge,a,pt %XCC, 103f ! BR Group + andcc %o0, 0x3f, %g2 ! A0 + + ba,pt %XCC, 108f ! BR Group + andcc %o0, 0x7, %g2 ! A0 + + .align 32 +101: + /* Copy %o2 bytes from src to dst, one byte at a time. */ + ldub [%o1 + 0x00], %o3 ! MS Group + add %o1, 0x1, %o1 ! A0 + add %o0, 0x1, %o0 ! A1 + subcc %o2, 1, %o2 ! A0 Group + + bg,pt %XCC, 101b ! BR + stb %o3, [%o0 + -1] ! MS Group (1-cycle stall) + +102: +#ifdef __KERNEL__ + retl ! BR Group (0-4 cycle stall) + clr %o0 ! A0 +#else + retl ! BR Group (0-4 cycle stall) + mov %g3, %o0 ! A0 +#endif + + /* Here len >= (6 * 64) and condition codes reflect execution + * of "andcc %o0, 0x7, %g2", done by caller. + */ + .align 64 +103: + /* Is 'dst' already aligned on an 64-byte boundary? */ + be,pt %XCC, 2f ! BR + + /* Compute abs((dst & 0x3f) - 0x40) into %g2. This is the number + * of bytes to copy to make 'dst' 64-byte aligned. We pre- + * subtract this from 'len'. + */ + sub %g2, 0x40, %g2 ! A0 Group + sub %g0, %g2, %g2 ! A0 Group + sub %o2, %g2, %o2 ! A0 Group + + /* Copy %g2 bytes from src to dst, one byte at a time. */ +1: ldub [%o1 + 0x00], %o3 ! MS (Group) + add %o1, 0x1, %o1 ! A1 + add %o0, 0x1, %o0 ! A0 Group + subcc %g2, 0x1, %g2 ! A1 + + bg,pt %XCC, 1b ! BR Group + stb %o3, [%o0 + -1] ! MS Group + +2: VISEntryHalf ! MS+MS + and %o1, 0x7, %g1 ! A1 + ba,pt %XCC, 104f ! BR + alignaddr %o1, %g0, %o1 ! MS (Break-after) + + .align 64 +104: + prefetch [%o1 + 0x000], #one_read ! MS Group1 + prefetch [%o1 + 0x040], #one_read ! MS Group2 + andn %o2, (0x40 - 1), %o4 ! A0 + prefetch [%o1 + 0x080], #one_read ! MS Group3 + cmp %o4, 0x140 ! A0 + prefetch [%o1 + 0x0c0], #one_read ! MS Group4 + ldd [%o1 + 0x000], %f0 ! MS Group5 (%f0 results at G8) + bge,a,pt %XCC, 1f ! BR + + prefetch [%o1 + 0x100], #one_read ! MS Group6 +1: ldd [%o1 + 0x008], %f2 ! AX (%f2 results at G9) + cmp %o4, 0x180 ! A1 + bge,a,pt %XCC, 1f ! BR + prefetch [%o1 + 0x140], #one_read ! MS Group7 +1: ldd [%o1 + 0x010], %f4 ! AX (%f4 results at G10) + cmp %o4, 0x1c0 ! A1 + bge,a,pt %XCC, 1f ! BR + + prefetch [%o1 + 0x180], #one_read ! MS Group8 +1: faligndata %f0, %f2, %f16 ! FGA Group9 (%f16 at G12) + ldd [%o1 + 0x018], %f6 ! AX (%f6 results at G12) + faligndata %f2, %f4, %f18 ! FGA Group10 (%f18 results at G13) + ldd [%o1 + 0x020], %f8 ! MS (%f8 results at G13) + faligndata %f4, %f6, %f20 ! FGA Group12 (1-cycle stall,%f20 at G15) + ldd [%o1 + 0x028], %f10 ! MS (%f10 results at G15) + faligndata %f6, %f8, %f22 ! FGA Group13 (%f22 results at G16) + + ldd [%o1 + 0x030], %f12 ! MS (%f12 results at G16) + faligndata %f8, %f10, %f24 ! FGA Group15 (1-cycle stall,%f24 at G18) + ldd [%o1 + 0x038], %f14 ! MS (%f14 results at G18) + faligndata %f10, %f12, %f26 ! FGA Group16 (%f26 results at G19) + ldd [%o1 + 0x040], %f0 ! MS (%f0 results at G19) + + /* We only use the first loop if len > (7 * 64). */ + subcc %o4, 0x1c0, %o4 ! A0 Group17 + bg,pt %XCC, 105f ! BR + add %o1, 0x40, %o1 ! A1 + + add %o4, 0x140, %o4 ! A0 Group18 + ba,pt %XCC, 106f ! BR + srl %o4, 6, %o3 ! A0 Group19 + nop + nop + nop + nop + nop + + nop + nop + + /* This loop performs the copy and queues new prefetches. + * We drop into the second loop when len <= (5 * 64). Note + * that this (5 * 64) factor has been subtracted from len + * already. + */ +105: + ldd [%o1 + 0x008], %f2 ! MS Group2 (%f2 results at G5) + faligndata %f12, %f14, %f28 ! FGA (%f28 results at G5) + ldd [%o1 + 0x010], %f4 ! MS Group3 (%f4 results at G6) + faligndata %f14, %f0, %f30 ! FGA Group4 (1-cycle stall, %f30 at G7) + stda %f16, [%o0] ASI_BLK_P ! MS + ldd [%o1 + 0x018], %f6 ! AX (%f6 results at G7) + + faligndata %f0, %f2, %f16 ! FGA Group12 (7-cycle stall) + ldd [%o1 + 0x020], %f8 ! MS (%f8 results at G15) + faligndata %f2, %f4, %f18 ! FGA Group13 (%f18 results at G16) + ldd [%o1 + 0x028], %f10 ! MS (%f10 results at G16) + faligndata %f4, %f6, %f20 ! FGA Group14 (%f20 results at G17) + ldd [%o1 + 0x030], %f12 ! MS (%f12 results at G17) + faligndata %f6, %f8, %f22 ! FGA Group15 (%f22 results at G18) + ldd [%o1 + 0x038], %f14 ! MS (%f14 results at G18) + + faligndata %f8, %f10, %f24 ! FGA Group16 (%f24 results at G19) + ldd [%o1 + 0x040], %f0 ! AX (%f0 results at G19) + prefetch [%o1 + 0x180], #one_read ! MS + faligndata %f10, %f12, %f26 ! FGA Group17 (%f26 results at G20) + subcc %o4, 0x40, %o4 ! A0 + add %o1, 0x40, %o1 ! A1 + bg,pt %XCC, 105b ! BR + add %o0, 0x40, %o0 ! A0 Group18 + + mov 5, %o3 ! A1 + + /* This loop performs on the copy, no new prefetches are + * queued. We do things this way so that we do not perform + * any spurious prefetches past the end of the src buffer. + */ +106: + ldd [%o1 + 0x008], %f2 ! MS + faligndata %f12, %f14, %f28 ! FGA Group2 + ldd [%o1 + 0x010], %f4 ! MS + faligndata %f14, %f0, %f30 ! FGA Group4 (1-cycle stall) + stda %f16, [%o0] ASI_BLK_P ! MS + ldd [%o1 + 0x018], %f6 ! AX + faligndata %f0, %f2, %f16 ! FGA Group12 (7-cycle stall) + + ldd [%o1 + 0x020], %f8 ! MS + faligndata %f2, %f4, %f18 ! FGA Group13 + ldd [%o1 + 0x028], %f10 ! MS + faligndata %f4, %f6, %f20 ! FGA Group14 + ldd [%o1 + 0x030], %f12 ! MS + faligndata %f6, %f8, %f22 ! FGA Group15 + ldd [%o1 + 0x038], %f14 ! MS + faligndata %f8, %f10, %f24 ! FGA Group16 + + ldd [%o1 + 0x040], %f0 ! AX + faligndata %f10, %f12, %f26 ! FGA Group17 + subcc %o3, 0x01, %o3 ! A0 + add %o1, 0x40, %o1 ! A1 + bg,pt %XCC, 106b ! BR + add %o0, 0x40, %o0 ! A0 Group18 + + /* Finally we copy the last full 64-byte block. */ + ldd [%o1 + 0x008], %f2 ! MS + faligndata %f12, %f14, %f28 ! FGA + ldd [%o1 + 0x010], %f4 ! MS Group19 + faligndata %f14, %f0, %f30 ! FGA + stda %f16, [%o0] ASI_BLK_P ! MS Group20 + ldd [%o1 + 0x018], %f6 ! AX + faligndata %f0, %f2, %f16 ! FGA Group11 (7-cycle stall) + ldd [%o1 + 0x020], %f8 ! MS + faligndata %f2, %f4, %f18 ! FGA Group12 + ldd [%o1 + 0x028], %f10 ! MS + faligndata %f4, %f6, %f20 ! FGA Group13 + ldd [%o1 + 0x030], %f12 ! MS + faligndata %f6, %f8, %f22 ! FGA Group14 + ldd [%o1 + 0x038], %f14 ! MS + faligndata %f8, %f10, %f24 ! FGA Group15 + cmp %g1, 0 ! A0 + be,pt %XCC, 1f ! BR + add %o0, 0x40, %o0 ! A1 + ldd [%o1 + 0x040], %f0 ! MS +1: faligndata %f10, %f12, %f26 ! FGA Group16 + faligndata %f12, %f14, %f28 ! FGA Group17 + faligndata %f14, %f0, %f30 ! FGA Group18 + stda %f16, [%o0] ASI_BLK_P ! MS + add %o0, 0x40, %o0 ! A0 + add %o1, 0x40, %o1 ! A1 + membar #Sync ! MS Group26 (7-cycle stall) + + /* Now we copy the (len modulo 64) bytes at the end. + * Note how we borrow the %f0 loaded above. + * + * Also notice how this code is careful not to perform a + * load past the end of the src buffer just like similar + * code found in 'toosmall' processing. + */ + and %o2, 0x3f, %o2 ! A0 Group + andcc %o2, 0x38, %g2 ! A0 Group + be,pn %XCC, 107f ! BR + subcc %g2, 0x8, %g2 ! A1 + be,pn %XCC, 107f ! BR Group + cmp %g1, 0 ! A0 + + be,a,pt %XCC, 1f ! BR Group + ldd [%o1 + 0x00], %f0 ! MS + +1: ldd [%o1 + 0x08], %f2 ! MS Group + add %o1, 0x8, %o1 ! A0 + sub %o2, 0x8, %o2 ! A1 + subcc %g2, 0x8, %g2 ! A0 Group + faligndata %f0, %f2, %f8 ! FGA Group + std %f8, [%o0 + 0x00] ! MS (XXX does it stall here? XXX) + be,pn %XCC, 107f ! BR + add %o0, 0x8, %o0 ! A0 + ldd [%o1 + 0x08], %f0 ! MS Group + add %o1, 0x8, %o1 ! A0 + sub %o2, 0x8, %o2 ! A1 + subcc %g2, 0x8, %g2 ! A0 Group + faligndata %f2, %f0, %f8 ! FGA + std %f8, [%o0 + 0x00] ! MS (XXX does it stall here? XXX) + bne,pn %XCC, 1b ! BR + add %o0, 0x8, %o0 ! A0 Group + + /* If anything is left, we copy it one byte at a time. + * Note that %g1 is (src & 0x3) saved above before the + * alignaddr was performed. + */ +107: + cmp %o2, 0 + add %o1, %g1, %o1 + VISExitHalf + be,pn %XCC, 102b + nop + ba,a,pt %XCC, 101b + + /* If we get here, then 32 <= len < (6 * 64) */ +108: + +#ifdef SMALL_COPY_USES_FPU + + /* Is 'dst' already aligned on an 8-byte boundary? */ + be,pt %XCC, 2f ! BR Group + + /* Compute abs((dst & 7) - 8) into %g2. This is the number + * of bytes to copy to make 'dst' 8-byte aligned. We pre- + * subtract this from 'len'. + */ + sub %g2, 0x8, %g2 ! A0 + sub %g0, %g2, %g2 ! A0 Group (reg-dep) + sub %o2, %g2, %o2 ! A0 Group (reg-dep) + + /* Copy %g2 bytes from src to dst, one byte at a time. */ +1: ldub [%o1 + 0x00], %o3 ! MS (Group) (%o3 in 3 cycles) + add %o1, 0x1, %o1 ! A1 + add %o0, 0x1, %o0 ! A0 Group + subcc %g2, 0x1, %g2 ! A1 + + bg,pt %XCC, 1b ! BR Group + stb %o3, [%o0 + -1] ! MS Group + +2: VISEntryHalf ! MS+MS + + /* Compute (len - (len % 8)) into %g2. This is guarenteed + * to be nonzero. + */ + andn %o2, 0x7, %g2 ! A0 Group + + /* You may read this and believe that it allows reading + * one 8-byte longword past the end of src. It actually + * does not, as %g2 is subtracted as loads are done from + * src, so we always stop before running off the end. + * Also, we are guarenteed to have at least 0x10 bytes + * to move here. + */ + sub %g2, 0x8, %g2 ! A0 Group (reg-dep) + alignaddr %o1, %g0, %g1 ! MS (Break-after) + ldd [%g1 + 0x00], %f0 ! MS Group (1-cycle stall) + add %g1, 0x8, %g1 ! A0 + +1: ldd [%g1 + 0x00], %f2 ! MS Group + add %g1, 0x8, %g1 ! A0 + sub %o2, 0x8, %o2 ! A1 + subcc %g2, 0x8, %g2 ! A0 Group + + faligndata %f0, %f2, %f8 ! FGA Group (1-cycle stall) + std %f8, [%o0 + 0x00] ! MS Group (2-cycle stall) + add %o1, 0x8, %o1 ! A0 + be,pn %XCC, 2f ! BR + + add %o0, 0x8, %o0 ! A1 + ldd [%g1 + 0x00], %f0 ! MS Group + add %g1, 0x8, %g1 ! A0 + sub %o2, 0x8, %o2 ! A1 + + subcc %g2, 0x8, %g2 ! A0 Group + faligndata %f2, %f0, %f8 ! FGA Group (1-cycle stall) + std %f8, [%o0 + 0x00] ! MS Group (2-cycle stall) + add %o1, 0x8, %o1 ! A0 + + bne,pn %XCC, 1b ! BR + add %o0, 0x8, %o0 ! A1 + + /* Nothing left to copy? */ +2: cmp %o2, 0 ! A0 Group + VISExitHalf ! A0+MS + be,pn %XCC, 102b ! BR Group + nop ! A0 + ba,a,pt %XCC, 101b ! BR Group + +#else /* !(SMALL_COPY_USES_FPU) */ + + xor %o1, %o0, %g2 + andcc %g2, 0x7, %g0 + bne,pn %XCC, 101b + andcc %o1, 0x7, %g2 + + be,pt %XCC, 2f + sub %g2, 0x8, %g2 + sub %g0, %g2, %g2 + sub %o2, %g2, %o2 + +1: ldub [%o1 + 0x00], %o3 + add %o1, 0x1, %o1 + add %o0, 0x1, %o0 + subcc %g2, 0x1, %g2 + bg,pt %XCC, 1b + stb %o3, [%o0 + -1] + +2: andn %o2, 0x7, %g2 + sub %o2, %g2, %o2 + +3: ldx [%o1 + 0x00], %o3 + add %o1, 0x8, %o1 + add %o0, 0x8, %o0 + subcc %g2, 0x8, %g2 + bg,pt %XCC, 3b + stx %o3, [%o0 + -8] + + cmp %o2, 0 + bne,pn %XCC, 101b + nop + ba,a,pt %XCC, 102b + +#endif /* !(SMALL_COPY_USES_FPU) */ +END(memcpy) + +#define RMOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3) \ + ldx [%src - offset - 0x20], %t0; \ + ldx [%src - offset - 0x18], %t1; \ + ldx [%src - offset - 0x10], %t2; \ + ldx [%src - offset - 0x08], %t3; \ + stw %t0, [%dst - offset - 0x1c]; \ + srlx %t0, 32, %t0; \ + stw %t0, [%dst - offset - 0x20]; \ + stw %t1, [%dst - offset - 0x14]; \ + srlx %t1, 32, %t1; \ + stw %t1, [%dst - offset - 0x18]; \ + stw %t2, [%dst - offset - 0x0c]; \ + srlx %t2, 32, %t2; \ + stw %t2, [%dst - offset - 0x10]; \ + stw %t3, [%dst - offset - 0x04]; \ + srlx %t3, 32, %t3; \ + stw %t3, [%dst - offset - 0x08]; + +#define RMOVE_BIGALIGNCHUNK(src, dst, offset, t0, t1, t2, t3) \ + ldx [%src - offset - 0x20], %t0; \ + ldx [%src - offset - 0x18], %t1; \ + ldx [%src - offset - 0x10], %t2; \ + ldx [%src - offset - 0x08], %t3; \ + stx %t0, [%dst - offset - 0x20]; \ + stx %t1, [%dst - offset - 0x18]; \ + stx %t2, [%dst - offset - 0x10]; \ + stx %t3, [%dst - offset - 0x08]; \ + ldx [%src - offset - 0x40], %t0; \ + ldx [%src - offset - 0x38], %t1; \ + ldx [%src - offset - 0x30], %t2; \ + ldx [%src - offset - 0x28], %t3; \ + stx %t0, [%dst - offset - 0x40]; \ + stx %t1, [%dst - offset - 0x38]; \ + stx %t2, [%dst - offset - 0x30]; \ + stx %t3, [%dst - offset - 0x28]; + +#define RMOVE_LASTCHUNK(src, dst, offset, t0, t1, t2, t3) \ + ldx [%src + offset + 0x00], %t0; \ + ldx [%src + offset + 0x08], %t1; \ + stw %t0, [%dst + offset + 0x04]; \ + srlx %t0, 32, %t2; \ + stw %t2, [%dst + offset + 0x00]; \ + stw %t1, [%dst + offset + 0x0c]; \ + srlx %t1, 32, %t3; \ + stw %t3, [%dst + offset + 0x08]; + +#define RMOVE_LASTALIGNCHUNK(src, dst, offset, t0, t1) \ + ldx [%src + offset + 0x00], %t0; \ + ldx [%src + offset + 0x08], %t1; \ + stx %t0, [%dst + offset + 0x00]; \ + stx %t1, [%dst + offset + 0x08]; + + .align 32 +228: andcc %o2, 1, %g0 /* IEU1 Group */ + be,pt %icc, 2f+4 /* CTI */ +1: ldub [%o1 - 1], %o5 /* LOAD Group */ + sub %o1, 1, %o1 /* IEU0 */ + sub %o0, 1, %o0 /* IEU1 */ + subcc %o2, 1, %o2 /* IEU1 Group */ + be,pn %xcc, 229f /* CTI */ + stb %o5, [%o0] /* Store */ +2: ldub [%o1 - 1], %o5 /* LOAD Group */ + sub %o0, 2, %o0 /* IEU0 */ + ldub [%o1 - 2], %g5 /* LOAD Group */ + sub %o1, 2, %o1 /* IEU0 */ + subcc %o2, 2, %o2 /* IEU1 Group */ + stb %o5, [%o0 + 1] /* Store */ + bne,pt %xcc, 2b /* CTI */ + stb %g5, [%o0] /* Store */ +229: retl + mov %g4, %o0 + + .align 32 +ENTRY(memmove) + mov %o0, %g3 +#ifndef USE_BPR + srl %o2, 0, %o2 /* IEU1 Group */ +#endif + brz,pn %o2, 102b /* CTI Group */ + sub %o0, %o1, %o4 /* IEU0 */ + cmp %o4, %o2 /* IEU1 Group */ + bgeu,pt %XCC, 218b /* CTI */ + mov %o0, %g4 /* IEU0 */ + add %o0, %o2, %o0 /* IEU0 Group */ +220: add %o1, %o2, %o1 /* IEU1 */ + cmp %o2, 15 /* IEU1 Group */ + bleu,pn %xcc, 228b /* CTI */ + andcc %o0, 7, %g2 /* IEU1 Group */ + sub %o0, %o1, %g5 /* IEU0 */ + andcc %g5, 3, %o5 /* IEU1 Group */ + bne,pn %xcc, 232f /* CTI */ + andcc %o1, 3, %g0 /* IEU1 Group */ + be,a,pt %xcc, 236f /* CTI */ + andcc %o1, 4, %g0 /* IEU1 Group */ + andcc %o1, 1, %g0 /* IEU1 Group */ + be,pn %xcc, 4f /* CTI */ + andcc %o1, 2, %g0 /* IEU1 Group */ + ldub [%o1 - 1], %g2 /* Load Group */ + sub %o1, 1, %o1 /* IEU0 */ + sub %o0, 1, %o0 /* IEU1 */ + sub %o2, 1, %o2 /* IEU0 Group */ + be,pn %xcc, 5f /* CTI Group */ + stb %g2, [%o0] /* Store */ +4: lduh [%o1 - 2], %g2 /* Load Group */ + sub %o1, 2, %o1 /* IEU0 */ + sub %o0, 2, %o0 /* IEU1 */ + sub %o2, 2, %o2 /* IEU0 */ + sth %g2, [%o0] /* Store Group + bubble */ +5: andcc %o1, 4, %g0 /* IEU1 */ +236: be,a,pn %xcc, 2f /* CTI */ + andcc %o2, -128, %g7 /* IEU1 Group */ + lduw [%o1 - 4], %g5 /* Load Group */ + sub %o1, 4, %o1 /* IEU0 */ + sub %o0, 4, %o0 /* IEU1 */ + sub %o2, 4, %o2 /* IEU0 Group */ + stw %g5, [%o0] /* Store */ + andcc %o2, -128, %g7 /* IEU1 Group */ +2: be,pn %xcc, 235f /* CTI */ + andcc %o0, 4, %g0 /* IEU1 Group */ + be,pn %xcc, 282f + 4 /* CTI Group */ +5: RMOVE_BIGCHUNK(o1, o0, 0x00, g1, g3, g5, o5) + RMOVE_BIGCHUNK(o1, o0, 0x20, g1, g3, g5, o5) + RMOVE_BIGCHUNK(o1, o0, 0x40, g1, g3, g5, o5) + RMOVE_BIGCHUNK(o1, o0, 0x60, g1, g3, g5, o5) + subcc %g7, 128, %g7 /* IEU1 Group */ + sub %o1, 128, %o1 /* IEU0 */ + bne,pt %xcc, 5b /* CTI */ + sub %o0, 128, %o0 /* IEU0 Group */ +235: andcc %o2, 0x70, %g7 /* IEU1 Group */ +41: be,pn %xcc, 280f /* CTI */ + andcc %o2, 8, %g0 /* IEU1 Group */ + /* Clk1 8-( */ + /* Clk2 8-( */ + /* Clk3 8-( */ + /* Clk4 8-( */ +279: rd %pc, %o5 /* PDU Group */ + sll %g7, 1, %g5 /* IEU0 Group */ + sub %o1, %g7, %o1 /* IEU1 */ + sub %o5, %g5, %o5 /* IEU0 Group */ + jmpl %o5 + %lo(280f - 279b), %g0 /* CTI Group brk forced*/ + sub %o0, %g7, %o0 /* IEU0 Group */ + RMOVE_LASTCHUNK(o1, o0, 0x60, g2, g3, g5, o5) + RMOVE_LASTCHUNK(o1, o0, 0x50, g2, g3, g5, o5) + RMOVE_LASTCHUNK(o1, o0, 0x40, g2, g3, g5, o5) + RMOVE_LASTCHUNK(o1, o0, 0x30, g2, g3, g5, o5) + RMOVE_LASTCHUNK(o1, o0, 0x20, g2, g3, g5, o5) + RMOVE_LASTCHUNK(o1, o0, 0x10, g2, g3, g5, o5) + RMOVE_LASTCHUNK(o1, o0, 0x00, g2, g3, g5, o5) +280: be,pt %xcc, 281f /* CTI */ + andcc %o2, 4, %g0 /* IEU1 */ + ldx [%o1 - 8], %g2 /* Load Group */ + sub %o0, 8, %o0 /* IEU0 */ + stw %g2, [%o0 + 4] /* Store Group */ + sub %o1, 8, %o1 /* IEU1 */ + srlx %g2, 32, %g2 /* IEU0 Group */ + stw %g2, [%o0] /* Store */ +281: be,pt %xcc, 1f /* CTI */ + andcc %o2, 2, %g0 /* IEU1 Group */ + lduw [%o1 - 4], %g2 /* Load Group */ + sub %o1, 4, %o1 /* IEU0 */ + stw %g2, [%o0 - 4] /* Store Group */ + sub %o0, 4, %o0 /* IEU0 */ +1: be,pt %xcc, 1f /* CTI */ + andcc %o2, 1, %g0 /* IEU1 Group */ + lduh [%o1 - 2], %g2 /* Load Group */ + sub %o1, 2, %o1 /* IEU0 */ + sth %g2, [%o0 - 2] /* Store Group */ + sub %o0, 2, %o0 /* IEU0 */ +1: be,pt %xcc, 211f /* CTI */ + nop /* IEU1 */ + ldub [%o1 - 1], %g2 /* Load Group */ + stb %g2, [%o0 - 1] /* Store Group + bubble */ +211: retl + mov %g4, %o0 + +282: RMOVE_BIGALIGNCHUNK(o1, o0, 0x00, g1, g3, g5, o5) + RMOVE_BIGALIGNCHUNK(o1, o0, 0x40, g1, g3, g5, o5) + subcc %g7, 128, %g7 /* IEU1 Group */ + sub %o1, 128, %o1 /* IEU0 */ + bne,pt %xcc, 282b /* CTI */ + sub %o0, 128, %o0 /* IEU0 Group */ + andcc %o2, 0x70, %g7 /* IEU1 */ + be,pn %xcc, 284f /* CTI */ + andcc %o2, 8, %g0 /* IEU1 Group */ + /* Clk1 8-( */ + /* Clk2 8-( */ + /* Clk3 8-( */ + /* Clk4 8-( */ +283: rd %pc, %o5 /* PDU Group */ + sub %o1, %g7, %o1 /* IEU0 Group */ + sub %o5, %g7, %o5 /* IEU1 */ + jmpl %o5 + %lo(284f - 283b), %g0 /* CTI Group brk forced*/ + sub %o0, %g7, %o0 /* IEU0 Group */ + RMOVE_LASTALIGNCHUNK(o1, o0, 0x60, g2, g3) + RMOVE_LASTALIGNCHUNK(o1, o0, 0x50, g2, g3) + RMOVE_LASTALIGNCHUNK(o1, o0, 0x40, g2, g3) + RMOVE_LASTALIGNCHUNK(o1, o0, 0x30, g2, g3) + RMOVE_LASTALIGNCHUNK(o1, o0, 0x20, g2, g3) + RMOVE_LASTALIGNCHUNK(o1, o0, 0x10, g2, g3) + RMOVE_LASTALIGNCHUNK(o1, o0, 0x00, g2, g3) +284: be,pt %xcc, 285f /* CTI Group */ + andcc %o2, 4, %g0 /* IEU1 */ + ldx [%o1 - 8], %g2 /* Load Group */ + sub %o0, 8, %o0 /* IEU0 */ + sub %o1, 8, %o1 /* IEU0 Group */ + stx %g2, [%o0] /* Store */ +285: be,pt %xcc, 1f /* CTI */ + andcc %o2, 2, %g0 /* IEU1 Group */ + lduw [%o1 - 4], %g2 /* Load Group */ + sub %o0, 4, %o0 /* IEU0 */ + sub %o1, 4, %o1 /* IEU0 Group */ + stw %g2, [%o0] /* Store */ +1: be,pt %xcc, 1f /* CTI */ + andcc %o2, 1, %g0 /* IEU1 Group */ + lduh [%o1 - 2], %g2 /* Load Group */ + sub %o0, 2, %o0 /* IEU0 */ + sub %o1, 2, %o1 /* IEU0 Group */ + sth %g2, [%o0] /* Store */ +1: be,pt %xcc, 1f /* CTI */ + nop /* IEU0 Group */ + ldub [%o1 - 1], %g2 /* Load Group */ + stb %g2, [%o0 - 1] /* Store Group + bubble */ +1: retl + mov %g4, %o0 + +232: brz,pt %g2, 2f /* CTI Group */ + sub %o2, %g2, %o2 /* IEU0 Group */ +1: ldub [%o1 - 1], %g5 /* Load Group */ + sub %o1, 1, %o1 /* IEU0 */ + sub %o0, 1, %o0 /* IEU1 */ + subcc %g2, 1, %g2 /* IEU1 Group */ + bne,pt %xcc, 1b /* CTI */ + stb %g5, [%o0] /* Store */ +2: andn %o2, 7, %g5 /* IEU0 Group */ + and %o2, 7, %o2 /* IEU1 */ + fmovd %f0, %f2 /* FPU */ + alignaddr %o1, %g0, %g1 /* GRU Group */ + ldd [%g1], %f4 /* Load Group */ +1: ldd [%g1 - 8], %f6 /* Load Group */ + sub %g1, 8, %g1 /* IEU0 Group */ + subcc %g5, 8, %g5 /* IEU1 */ + faligndata %f6, %f4, %f0 /* GRU Group */ + std %f0, [%o0 - 8] /* Store */ + sub %o1, 8, %o1 /* IEU0 Group */ + be,pn %xcc, 233f /* CTI */ + sub %o0, 8, %o0 /* IEU1 */ + ldd [%g1 - 8], %f4 /* Load Group */ + sub %g1, 8, %g1 /* IEU0 */ + subcc %g5, 8, %g5 /* IEU1 */ + faligndata %f4, %f6, %f0 /* GRU Group */ + std %f0, [%o0 - 8] /* Store */ + sub %o1, 8, %o1 /* IEU0 */ + bne,pn %xcc, 1b /* CTI Group */ + sub %o0, 8, %o0 /* IEU0 */ +233: brz,pn %o2, 234f /* CTI Group */ + nop /* IEU0 */ +237: ldub [%o1 - 1], %g5 /* LOAD */ + sub %o1, 1, %o1 /* IEU0 */ + sub %o0, 1, %o0 /* IEU1 */ + subcc %o2, 1, %o2 /* IEU1 */ + bne,pt %xcc, 237b /* CTI */ + stb %g5, [%o0] /* Store Group */ +234: wr %g0, FPRS_FEF, %fprs + retl + mov %g4, %o0 +END(memmove) + +#ifdef USE_BPR +weak_alias(memcpy, __align_cpy_1) +weak_alias(memcpy, __align_cpy_2) +weak_alias(memcpy, __align_cpy_4) +weak_alias(memcpy, __align_cpy_8) +weak_alias(memcpy, __align_cpy_16) +#endif |