--- /dev/null
+/* 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
projects / platform / upstream / glibc.git / commitdiff