--- /dev/null
+dnl PowerPC-64 mpn_and_n, mpn_andn_n, mpn_nand_n, mpn_ior_n, mpn_iorn_n,
+dnl mpn_nior_n, mpn_xor_n, mpn_xnor_n -- mpn bitwise logical operations.
+
+dnl Copyright 2003, 2004, 2005 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
+C POWER3/PPC630: 1.75
+C POWER4/PPC970: 2.10
+
+C n POWER3/PPC630 POWER4/PPC970
+C 1 15.00 15.33
+C 2 7.50 7.99
+C 3 5.33 6.00
+C 4 4.50 4.74
+C 5 4.20 4.39
+C 6 3.50 3.99
+C 7 3.14 3.64
+C 8 3.00 3.36
+C 9 3.00 3.36
+C 10 2.70 3.25
+C 11 2.63 3.11
+C 12 2.58 3.00
+C 13 2.61 3.02
+C 14 2.42 2.82
+C 15 2.40 2.79
+C 50 2.08 2.67
+C 100 1.85 2.31
+C 200 1.80 2.18
+C 400 1.77 2.14
+C 1000 1.76 2.10#
+C 2000 1.75# 2.13
+C 4000 2.30 2.57
+C 8000 2.62 2.58
+C 16000 2.52 4.25
+C 32000 2.49 16.25
+C 64000 2.66 18.76
+
+ifdef(`OPERATION_and_n',
+` define(`func',`mpn_and_n')
+ define(`logop', `and')')
+ifdef(`OPERATION_andn_n',
+` define(`func',`mpn_andn_n')
+ define(`logop', `andc')')
+ifdef(`OPERATION_nand_n',
+` define(`func',`mpn_nand_n')
+ define(`logop', `nand')')
+ifdef(`OPERATION_ior_n',
+` define(`func',`mpn_ior_n')
+ define(`logop', `or')')
+ifdef(`OPERATION_iorn_n',
+` define(`func',`mpn_iorn_n')
+ define(`logop', `orc')')
+ifdef(`OPERATION_nior_n',
+` define(`func',`mpn_nior_n')
+ define(`logop', `nor')')
+ifdef(`OPERATION_xor_n',
+` define(`func',`mpn_xor_n')
+ define(`logop', `xor')')
+ifdef(`OPERATION_xnor_n',
+` define(`func',`mpn_xnor_n')
+ define(`logop', `eqv')')
+
+C INPUT PARAMETERS
+C rp r3
+C up r4
+C vp r5
+C n r6
+
+MULFUNC_PROLOGUE(mpn_and_n mpn_andn_n mpn_nand_n mpn_ior_n mpn_iorn_n mpn_nior_n mpn_xor_n mpn_xnor_n)
+
+ASM_START()
+PROLOGUE(func)
+ ld r8, 0(r4) C read lowest u limb
+ ld r9, 0(r5) C read lowest v limb
+ addi r6, r6, 3 C compute branch count (1)
+ rldic. r0, r6, 3, 59 C r0 = (n-1 & 3) << 3; cr0 = (n == 4(t+1))?
+ cmpldi cr6, r0, 16 C cr6 = (n cmp 4t + 3)
+
+ifdef(`HAVE_ABI_mode32',
+` rldicl r6, r6, 62,34', C ...branch count
+` rldicl r6, r6, 62, 2') C ...branch count
+ mtctr r6
+
+ ld r6, 0(r4) C read lowest u limb (again)
+ ld r7, 0(r5) C read lowest v limb (again)
+
+ add r5, r5, r0 C offset vp
+ add r4, r4, r0 C offset up
+ add r3, r3, r0 C offset rp
+
+ beq cr0, L(L01)
+ blt cr6, L(L10)
+ beq cr6, L(L11)
+ b L(L00)
+
+L(oop): ld r8, -24(r4)
+ ld r9, -24(r5)
+ logop r10, r6, r7
+ std r10, -32(r3)
+L(L00): ld r6, -16(r4)
+ ld r7, -16(r5)
+ logop r10, r8, r9
+ std r10, -24(r3)
+L(L11): ld r8, -8(r4)
+ ld r9, -8(r5)
+ logop r10, r6, r7
+ std r10, -16(r3)
+L(L10): ld r6, 0(r4)
+ ld r7, 0(r5)
+ logop r10, r8, r9
+ std r10, -8(r3)
+L(L01): addi r5, r5, 32
+ addi r4, r4, 32
+ addi r3, r3, 32
+ bdnz L(oop)
+
+ logop r10, r6, r7
+ std r10, -32(r3)
+ blr
+EPILOGUE()
projects / msp430-gcc.git / blobdiff