| Index: gcc/gmp/mpn/powerpc32/750/lshift.asm
|
| diff --git a/gcc/gmp/mpn/powerpc32/750/lshift.asm b/gcc/gmp/mpn/powerpc32/750/lshift.asm
|
| deleted file mode 100644
|
| index 9298793f27567c39532db364eb60a914cbf7abe8..0000000000000000000000000000000000000000
|
| --- a/gcc/gmp/mpn/powerpc32/750/lshift.asm
|
| +++ /dev/null
|
| @@ -1,144 +0,0 @@
|
| -dnl PowerPC 750 mpn_lshift -- mpn left shift.
|
| -
|
| -dnl Copyright 2002, 2003 Free Software Foundation, Inc.
|
| -
|
| -dnl This file is part of the GNU MP Library.
|
| -
|
| -dnl The GNU MP Library is free software; you can redistribute it and/or modify
|
| -dnl it under the terms of the GNU Lesser General Public License as published
|
| -dnl by the Free Software Foundation; either version 3 of the License, or (at
|
| -dnl your option) any later version.
|
| -
|
| -dnl The GNU MP Library is distributed in the hope that it will be useful, but
|
| -dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
| -dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
|
| -dnl License for more details.
|
| -
|
| -dnl You should have received a copy of the GNU Lesser General Public License
|
| -dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/.
|
| -
|
| -include(`../config.m4')
|
| -
|
| -
|
| -C cycles/limb
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| -C 750: 3.0
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| -C 7400: 3.0
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| -
|
| -
|
| -C mp_limb_t mpn_lshift (mp_ptr dst, mp_srcptr src, mp_size_t size,
|
| -C unsigned shift);
|
| -C
|
| -C This code is the same per-limb speed as mpn/powerpc32/lshift.asm, but
|
| -C smaller and saving about 30 or so cycles of overhead.
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| -
|
| -ASM_START()
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| -PROLOGUE(mpn_lshift)
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| -
|
| - C r3 dst
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| - C r4 src
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| - C r5 size
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| - C r6 shift
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| -
|
| - mtctr r5 C size
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| - slwi r5, r5, 2 C 4*size
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| -
|
| - subfic r7, r6, 32 C 32-shift
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| - add r4, r4, r5 C &src[size]
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| -
|
| - add r5, r3, r5 C &dst[size]
|
| - lwz r8, -4(r4) C src[size-1]
|
| - bdz L(one)
|
| -
|
| - lwzu r9, -8(r4) C src[size-2]
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| -
|
| - srw r3, r8, r7 C return value
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| - slw r8, r8, r6 C src[size-1] << shift
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| - bdz L(two)
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| -
|
| -
|
| -L(top):
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| - C r3 return value
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| - C r4 src, incrementing
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| - C r5 dst, incrementing
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| - C r6 lshift
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| - C r7 32-shift
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| - C r8 src[i+1] << shift
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| - C r9 src[i]
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| - C r10
|
| -
|
| - lwzu r10, -4(r4)
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| - srw r11, r9, r7
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| -
|
| - or r8, r8, r11
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| - stwu r8, -4(r5)
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| -
|
| - slw r8, r9, r6
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| - bdz L(odd)
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| -
|
| - C r8 src[i+1] << shift
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| - C r9
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| - C r10 src[i]
|
| -
|
| - lwzu r9, -4(r4)
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| - srw r11, r10, r7
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| -
|
| - or r8, r8, r11
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| - stwu r8, -4(r5)
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| -
|
| - slw r8, r10, r6
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| - bdnz L(top)
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| -
|
| -
|
| -L(two):
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| - C r3 return value
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| - C r4
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| - C r5 &dst[2]
|
| - C r6 shift
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| - C r7 32-shift
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| - C r8 src[1] << shift
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| - C r9 src[0]
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| - C r10
|
| -
|
| - srw r11, r9, r7
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| - slw r12, r9, r6 C src[0] << shift
|
| -
|
| - or r8, r8, r11
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| - stw r12, -8(r5) C dst[0]
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| -
|
| - stw r8, -4(r5) C dst[1]
|
| - blr
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| -
|
| -
|
| -L(odd):
|
| - C r3 return value
|
| - C r4
|
| - C r5 &dst[2]
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| - C r6 shift
|
| - C r7 32-shift
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| - C r8 src[1] << shift
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| - C r9
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| - C r10 src[0]
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| -
|
| - srw r11, r10, r7
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| - slw r12, r10, r6
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| -
|
| - or r8, r8, r11
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| - stw r12, -8(r5) C dst[0]
|
| -
|
| - stw r8, -4(r5) C dst[1]
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| - blr
|
| -
|
| -
|
| -L(one):
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| - C r5 &dst[1]
|
| - C r6 shift
|
| - C r7 32-shift
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| - C r8 src[0]
|
| -
|
| - srw r3, r8, r7 C return value
|
| - slw r8, r8, r6 C src[size-1] << shift
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| -
|
| - stw r8, -4(r5) C dst[0]
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| - blr
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| -
|
| -EPILOGUE(mpn_lshift)
|
|
|