/*********************************************************************/ /* Copyright 2009, 2010 The University of Texas at Austin. */ /* All rights reserved. */ /* */ /* Redistribution and use in source and binary forms, with or */ /* without modification, are permitted provided that the following */ /* conditions are met: */ /* */ /* 1. Redistributions of source code must retain the above */ /* copyright notice, this list of conditions and the following */ /* disclaimer. */ /* */ /* 2. Redistributions in binary form must reproduce the above */ /* copyright notice, this list of conditions and the following */ /* disclaimer in the documentation and/or other materials */ /* provided with the distribution. */ /* */ /* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */ /* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */ /* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ /* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */ /* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */ /* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */ /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */ /* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */ /* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */ /* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ /* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */ /* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */ /* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */ /* POSSIBILITY OF SUCH DAMAGE. */ /* */ /* The views and conclusions contained in the software and */ /* documentation are those of the authors and should not be */ /* interpreted as representing official policies, either expressed */ /* or implied, of The University of Texas at Austin. */ /*********************************************************************/ #define ASSEMBLER #include "common.h" #define N r3 #define X r4 #define INCX r5 #define PREA r8 #define FZERO f1 #define STACKSIZE 160 PROLOGUE PROFCODE addi SP, SP, -STACKSIZE li r0, 0 stfd f14, 0(SP) stfd f15, 8(SP) stfd f16, 16(SP) stfd f17, 24(SP) stfd f18, 32(SP) stfd f19, 40(SP) stfd f20, 48(SP) stfd f21, 56(SP) stfd f22, 64(SP) stfd f23, 72(SP) stfd f24, 80(SP) stfd f25, 88(SP) stfd f26, 96(SP) stfd f27, 104(SP) stfd f28, 112(SP) stfd f29, 120(SP) stfd f30, 128(SP) stfd f31, 136(SP) stw r0, 144(SP) lfs FZERO,144(SP) #ifdef F_INTERFACE LDINT N, 0(N) LDINT INCX, 0(INCX) #endif slwi INCX, INCX, BASE_SHIFT sub X, X, INCX cmpwi cr0, N, 0 ble- LL(9999) cmpwi cr0, INCX, 0 ble- LL(9999) LFDUX f1, X, INCX fmr f0, f1 fmr f2, f1 subi N, N, 1 fmr f3, f1 fmr f4, f1 fmr f5, f1 srawi. r0, N, 4 fmr f6, f1 mtspr CTR, r0 fmr f7, f1 beq- LL(150) LFDUX f16, X, INCX LFDUX f17, X, INCX LFDUX f18, X, INCX LFDUX f19, X, INCX LFDUX f20, X, INCX LFDUX f21, X, INCX LFDUX f22, X, INCX LFDUX f23, X, INCX LFDUX f24, X, INCX fsub f8, f0, f16 LFDUX f25, X, INCX fsub f9, f1, f17 LFDUX f26, X, INCX fsub f10, f2, f18 LFDUX f27, X, INCX fsub f11, f3, f19 LFDUX f28, X, INCX fsub f12, f4, f20 LFDUX f29, X, INCX fsub f13, f5, f21 LFDUX f30, X, INCX fsub f14, f6, f22 LFDUX f31, X, INCX fsub f15, f7, f23 bdz LL(120) .align 4 LL(110): fsel f0, f8, f0, f16 LFDUX f16, X, INCX fsub f8, f0, f24 fsel f1, f9, f1, f17 LFDUX f17, X, INCX fsub f9, f1, f25 fsel f2, f10, f2, f18 LFDUX f18, X, INCX fsub f10, f2, f26 fsel f3, f11, f3, f19 LFDUX f19, X, INCX fsub f11, f3, f27 fsel f4, f12, f4, f20 LFDUX f20, X, INCX fsub f12, f4, f28 fsel f5, f13, f5, f21 LFDUX f21, X, INCX fsub f13, f5, f29 fsel f6, f14, f6, f22 LFDUX f22, X, INCX fsub f14, f6, f30 fsel f7, f15, f7, f23 LFDUX f23, X, INCX fsub f15, f7, f31 fsel f0, f8, f0, f24 LFDUX f24, X, INCX fsub f8, f0, f16 fsel f1, f9, f1, f25 LFDUX f25, X, INCX fsub f9, f1, f17 fsel f2, f10, f2, f26 LFDUX f26, X, INCX fsub f10, f2, f18 fsel f3, f11, f3, f27 LFDUX f27, X, INCX fsub f11, f3, f19 fsel f4, f12, f4, f28 LFDUX f28, X, INCX fsub f12, f4, f20 fsel f5, f13, f5, f29 LFDUX f29, X, INCX fsub f13, f5, f21 fsel f6, f14, f6, f30 LFDUX f30, X, INCX fsub f14, f6, f22 fsel f7, f15, f7, f31 LFDUX f31, X, INCX fsub f15, f7, f23 bdnz LL(110) .align 4 LL(120): fsel f0, f8, f0, f16 fsub f8, f0, f24 fsel f1, f9, f1, f17 fsub f9, f1, f25 fsel f2, f10, f2, f18 fsub f10, f2, f26 fsel f3, f11, f3, f19 fsub f11, f3, f27 fsel f4, f12, f4, f20 fsub f12, f4, f28 fsel f5, f13, f5, f21 fsub f13, f5, f29 fsel f6, f14, f6, f22 fsub f14, f6, f30 fsel f7, f15, f7, f23 fsub f15, f7, f31 fsel f0, f8, f0, f24 fsel f1, f9, f1, f25 fsel f2, f10, f2, f26 fsel f3, f11, f3, f27 fsel f4, f12, f4, f28 fsel f5, f13, f5, f29 fsel f6, f14, f6, f30 fsel f7, f15, f7, f31 .align 4 LL(150): andi. r0, N, 15 mtspr CTR, r0 beq LL(999) .align 4 LL(160): LFDUX f8, X, INCX fsub f16, f1, f8 fsel f1, f16, f1, f8 bdnz LL(160) .align 4 LL(999): fsub f8, f0, f1 fsub f9, f2, f3 fsub f10, f4, f5 fsub f11, f6, f7 fsel f0, f8, f0, f1 fsel f2, f9, f2, f3 fsel f4, f10, f4, f5 fsel f6, f11, f6, f7 fsub f8, f0, f2 fsub f9, f4, f6 fsel f0, f8, f0, f2 fsel f4, f9, f4, f6 fsub f8, f0, f4 fsel f1, f8, f0, f4 .align 4 LL(9999): lfd f14, 0(SP) lfd f15, 8(SP) lfd f16, 16(SP) lfd f17, 24(SP) lfd f18, 32(SP) lfd f19, 40(SP) lfd f20, 48(SP) lfd f21, 56(SP) lfd f22, 64(SP) lfd f23, 72(SP) lfd f24, 80(SP) lfd f25, 88(SP) lfd f26, 96(SP) lfd f27, 104(SP) lfd f28, 112(SP) lfd f29, 120(SP) lfd f30, 128(SP) lfd f31, 136(SP) addi SP, SP, STACKSIZE blr EPILOGUE