/*********************************************************************/ /* 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" #ifdef movsd #undef movsd #endif #ifdef PENTIUM3 #ifdef HAVE_SSE #define PREFETCH prefetcht0 #define PREFETCHW prefetcht0 #define PREFETCHSIZE (16 * 2) #endif #define movsd movlps #endif #ifdef PENTIUM4 #define PREFETCH prefetcht0 #define PREFETCHW prefetcht0 #define PREFETCHSIZE (16 * 4) #endif #if defined(CORE2) || defined(PENRYN) || defined(DUNNINGTON) || defined(NEHALEM) || defined(SANDYBRIDGE) #define PREFETCH prefetcht0 #define PREFETCHW prefetcht0 #define PREFETCHSIZE (16 * 7) #endif #ifdef OPTERON #define PREFETCH prefetchnta #define PREFETCHW prefetchw #define PREFETCHSIZE (16 * 3) #define movsd movlps #endif #ifdef BARCELONA #define PREFETCH prefetchnta #define PREFETCHW prefetchw #define PREFETCHSIZE (16 * 5) #endif #ifdef ATOM #define PREFETCH prefetchnta #define PREFETCHW prefetcht0 #define PREFETCHSIZE (16 * 6) #endif #ifdef NANO #define PREFETCH prefetcht0 #define PREFETCHSIZE (16 * 4) #endif #define STACKSIZE 16 #define ARGS 20 #define M 4 + STACKSIZE+ARGS(%esp) #define N 8 + STACKSIZE+ARGS(%esp) #define ALPHA 16 + STACKSIZE+ARGS(%esp) #define A 20 + STACKSIZE+ARGS(%esp) #define STACK_LDA 24 + STACKSIZE+ARGS(%esp) #define STACK_X 28 + STACKSIZE+ARGS(%esp) #define STACK_INCX 32 + STACKSIZE+ARGS(%esp) #define Y 36 + STACKSIZE+ARGS(%esp) #define STACK_INCY 40 + STACKSIZE+ARGS(%esp) #define BUFFER 44 + STACKSIZE+ARGS(%esp) #define MMM 0+ARGS(%esp) #define AA 4+ARGS(%esp) #define XX 8+ARGS(%esp) #define I %eax #define J %ebx #define INCX J #define INCY %ecx #define A1 %esi #define X %edx #define Y1 %edi #define LDA %ebp PROLOGUE subl $ARGS,%esp pushl %ebp pushl %edi pushl %esi pushl %ebx PROFCODE movl STACK_X, X movl X,XX movl A,J movl J,AA # backup A movl M,J movl J,MMM # mov M to MMM .L0t: xorl J,J addl $1,J sall $22,J # J=2^24*sizeof(float)=buffer size(16MB) subl $8, J # Don't use last 8 float in the buffer. subl J,MMM # MMM=MMM-J movl J,M jge .L00t ALIGN_4 movl MMM,%eax addl J,%eax jle .L999x movl %eax,M .L00t: movl AA,%eax movl %eax,A # mov AA to A movl XX,%eax movl %eax,X movl STACK_LDA, LDA movl STACK_INCX, INCX movl STACK_INCY, INCY leal (,INCX, SIZE), INCX leal (,INCY, SIZE), INCY leal (,LDA, SIZE), LDA subl $-32 * SIZE, A cmpl $0, N jle .L999 cmpl $0, M jle .L999 movl BUFFER, Y1 movl M, I sarl $3, I jle .L05 ALIGN_4 .L02: movss (X), %xmm0 addl INCX, X movss (X), %xmm1 addl INCX, X unpcklps %xmm1, %xmm0 movss (X), %xmm2 addl INCX, X movss (X), %xmm3 addl INCX, X unpcklps %xmm3, %xmm2 movss (X), %xmm4 addl INCX, X movss (X), %xmm5 addl INCX, X unpcklps %xmm5, %xmm4 movss (X), %xmm6 addl INCX, X movss (X), %xmm7 addl INCX, X unpcklps %xmm7, %xmm6 movlps %xmm0, 0 * SIZE(Y1) movlps %xmm2, 2 * SIZE(Y1) movlps %xmm4, 4 * SIZE(Y1) movlps %xmm6, 6 * SIZE(Y1) addl $8 * SIZE, Y1 decl I jg .L02 ALIGN_4 .L05: movl M, I andl $7, I jle .L10 ALIGN_2 .L06: movss (X), %xmm0 addl INCX, X movss %xmm0, 0 * SIZE(Y1) addl $SIZE, Y1 decl I jg .L06 ALIGN_4 //Padding zero to prevent loading the dirty number from buffer. movl M, I movl $8, J andl $7, I xorps %xmm0, %xmm0 subl I, J ALIGN_2 .L07: movss %xmm0, 0 * SIZE(Y1) addl $SIZE, Y1 decl J jg .L07 ALIGN_4 .L10: movl Y, Y1 movl N, J sarl $1, J jle .L20 ALIGN_3 .L11: movl BUFFER, X addl $32 * SIZE, X movl A, A1 leal (A1, LDA, 2), %eax movl %eax, A xorps %xmm0, %xmm0 xorps %xmm1, %xmm1 movaps -32 * SIZE(X), %xmm2 movaps -28 * SIZE(X), %xmm3 movl M, I sarl $4, I jle .L15 movsd -32 * SIZE(A1), %xmm4 movhps -30 * SIZE(A1), %xmm4 movsd -32 * SIZE(A1, LDA), %xmm5 movhps -30 * SIZE(A1, LDA), %xmm5 movsd -28 * SIZE(A1), %xmm6 movhps -26 * SIZE(A1), %xmm6 movsd -28 * SIZE(A1, LDA), %xmm7 movhps -26 * SIZE(A1, LDA), %xmm7 decl I jle .L13 ALIGN_4 .L12: #ifdef PREFETCH PREFETCH PREFETCHSIZE * SIZE(A1) #endif mulps %xmm2, %xmm4 addps %xmm4, %xmm0 movsd -24 * SIZE(A1), %xmm4 movhps -22 * SIZE(A1), %xmm4 mulps %xmm2, %xmm5 movaps -24 * SIZE(X), %xmm2 addps %xmm5, %xmm1 movsd -24 * SIZE(A1, LDA), %xmm5 movhps -22 * SIZE(A1, LDA), %xmm5 mulps %xmm3, %xmm6 addps %xmm6, %xmm0 movsd -20 * SIZE(A1), %xmm6 movhps -18 * SIZE(A1), %xmm6 mulps %xmm3, %xmm7 movaps -20 * SIZE(X), %xmm3 addps %xmm7, %xmm1 movsd -20 * SIZE(A1, LDA), %xmm7 movhps -18 * SIZE(A1, LDA), %xmm7 #ifdef PREFETCH PREFETCH PREFETCHSIZE * SIZE(A1, LDA) #endif mulps %xmm2, %xmm4 addps %xmm4, %xmm0 movsd -16 * SIZE(A1), %xmm4 movhps -14 * SIZE(A1), %xmm4 mulps %xmm2, %xmm5 movaps -16 * SIZE(X), %xmm2 addps %xmm5, %xmm1 movsd -16 * SIZE(A1, LDA), %xmm5 movhps -14 * SIZE(A1, LDA), %xmm5 mulps %xmm3, %xmm6 addps %xmm6, %xmm0 movsd -12 * SIZE(A1), %xmm6 movhps -10 * SIZE(A1), %xmm6 mulps %xmm3, %xmm7 movaps -12 * SIZE(X), %xmm3 addps %xmm7, %xmm1 movsd -12 * SIZE(A1, LDA), %xmm7 movhps -10 * SIZE(A1, LDA), %xmm7 addl $16 * SIZE, A1 addl $16 * SIZE, X decl I jg .L12 ALIGN_4 .L13: mulps %xmm2, %xmm4 addps %xmm4, %xmm0 movsd -24 * SIZE(A1), %xmm4 movhps -22 * SIZE(A1), %xmm4 mulps %xmm2, %xmm5 movaps -24 * SIZE(X), %xmm2 addps %xmm5, %xmm1 movsd -24 * SIZE(A1, LDA), %xmm5 movhps -22 * SIZE(A1, LDA), %xmm5 mulps %xmm3, %xmm6 addps %xmm6, %xmm0 movsd -20 * SIZE(A1), %xmm6 movhps -18 * SIZE(A1), %xmm6 mulps %xmm3, %xmm7 movaps -20 * SIZE(X), %xmm3 addps %xmm7, %xmm1 movsd -20 * SIZE(A1, LDA), %xmm7 movhps -18 * SIZE(A1, LDA), %xmm7 mulps %xmm2, %xmm4 addps %xmm4, %xmm0 mulps %xmm2, %xmm5 movaps -16 * SIZE(X), %xmm2 addps %xmm5, %xmm1 mulps %xmm3, %xmm6 addps %xmm6, %xmm0 mulps %xmm3, %xmm7 movaps -12 * SIZE(X), %xmm3 addps %xmm7, %xmm1 addl $16 * SIZE, A1 addl $16 * SIZE, X ALIGN_4 .L15: testl $8, M jle .L16 movsd -32 * SIZE(A1), %xmm4 movhps -30 * SIZE(A1), %xmm4 movsd -32 * SIZE(A1, LDA), %xmm5 movhps -30 * SIZE(A1, LDA), %xmm5 movsd -28 * SIZE(A1), %xmm6 movhps -26 * SIZE(A1), %xmm6 movsd -28 * SIZE(A1, LDA), %xmm7 movhps -26 * SIZE(A1, LDA), %xmm7 mulps %xmm2, %xmm4 addps %xmm4, %xmm0 mulps %xmm2, %xmm5 movaps -24 * SIZE(X), %xmm2 addps %xmm5, %xmm1 mulps %xmm3, %xmm6 addps %xmm6, %xmm0 mulps %xmm3, %xmm7 movaps -20 * SIZE(X), %xmm3 addps %xmm7, %xmm1 addl $8 * SIZE, A1 addl $8 * SIZE, X ALIGN_4 .L16: testl $4, M jle .L17 movsd -32 * SIZE(A1), %xmm4 movhps -30 * SIZE(A1), %xmm4 movsd -32 * SIZE(A1, LDA), %xmm5 movhps -30 * SIZE(A1, LDA), %xmm5 mulps %xmm2, %xmm4 addps %xmm4, %xmm0 mulps %xmm2, %xmm5 addps %xmm5, %xmm1 movaps %xmm3, %xmm2 addl $4 * SIZE, A1 ALIGN_4 .L17: testl $2, M jle .L18 #ifdef movsd xorps %xmm4, %xmm4 #endif movsd -32 * SIZE(A1), %xmm4 #ifdef movsd xorps %xmm5, %xmm5 #endif movsd -32 * SIZE(A1, LDA), %xmm5 mulps %xmm2, %xmm4 addps %xmm4, %xmm0 mulps %xmm2, %xmm5 addps %xmm5, %xmm1 movhlps %xmm2, %xmm2 addl $2 * SIZE, A1 ALIGN_4 .L18: testl $1, M jle .L19 movss -32 * SIZE(A1), %xmm4 mulss %xmm2, %xmm4 addss %xmm4, %xmm0 movss -32 * SIZE(A1, LDA), %xmm5 mulss %xmm2, %xmm5 addss %xmm5, %xmm1 ALIGN_4 .L19: #ifdef HAVE_SSE3 haddps %xmm0, %xmm0 haddps %xmm1, %xmm1 haddps %xmm0, %xmm0 haddps %xmm1, %xmm1 #else movhlps %xmm0, %xmm2 movhlps %xmm1, %xmm3 addps %xmm2, %xmm0 addps %xmm3, %xmm1 movaps %xmm0, %xmm2 shufps $1, %xmm0, %xmm0 movaps %xmm1, %xmm3 shufps $1, %xmm1, %xmm1 addss %xmm2, %xmm0 addss %xmm3, %xmm1 #endif movss ALPHA, %xmm7 mulss %xmm7, %xmm0 mulss %xmm7, %xmm1 addss (Y1), %xmm0 addss (Y1, INCY), %xmm1 movss %xmm0, (Y1) movss %xmm1, (Y1, INCY) leal (Y1, INCY, 2), Y1 decl J jg .L11 ALIGN_4 .L20: testl $1, N jle .L999 movl BUFFER, X addl $32 * SIZE, X movl A, A1 xorps %xmm0, %xmm0 xorps %xmm1, %xmm1 movaps -32 * SIZE(X), %xmm2 movaps -28 * SIZE(X), %xmm3 movl M, I sarl $4, I jle .L25 movsd -32 * SIZE(A1), %xmm4 movhps -30 * SIZE(A1), %xmm4 movsd -28 * SIZE(A1), %xmm6 movhps -26 * SIZE(A1), %xmm6 decl I jle .L23 ALIGN_4 .L22: #ifdef PREFETCH PREFETCH PREFETCHSIZE * SIZE(A1) #endif mulps %xmm2, %xmm4 movaps -24 * SIZE(X), %xmm2 addps %xmm4, %xmm0 movsd -24 * SIZE(A1), %xmm4 movhps -22 * SIZE(A1), %xmm4 mulps %xmm3, %xmm6 movaps -20 * SIZE(X), %xmm3 addps %xmm6, %xmm0 movsd -20 * SIZE(A1), %xmm6 movhps -18 * SIZE(A1), %xmm6 mulps %xmm2, %xmm4 movaps -16 * SIZE(X), %xmm2 addps %xmm4, %xmm0 movsd -16 * SIZE(A1), %xmm4 movhps -14 * SIZE(A1), %xmm4 mulps %xmm3, %xmm6 movaps -12 * SIZE(X), %xmm3 addps %xmm6, %xmm0 movsd -12 * SIZE(A1), %xmm6 movhps -10 * SIZE(A1), %xmm6 addl $16 * SIZE, A1 addl $16 * SIZE, X decl I jg .L22 ALIGN_4 .L23: mulps %xmm2, %xmm4 movaps -24 * SIZE(X), %xmm2 addps %xmm4, %xmm0 movsd -24 * SIZE(A1), %xmm4 movhps -22 * SIZE(A1), %xmm4 mulps %xmm3, %xmm6 movaps -20 * SIZE(X), %xmm3 addps %xmm6, %xmm0 movsd -20 * SIZE(A1), %xmm6 movhps -18 * SIZE(A1), %xmm6 mulps %xmm2, %xmm4 movaps -16 * SIZE(X), %xmm2 addps %xmm4, %xmm0 mulps %xmm3, %xmm6 movaps -12 * SIZE(X), %xmm3 addps %xmm6, %xmm0 addl $16 * SIZE, A1 addl $16 * SIZE, X ALIGN_4 .L25: testl $8, M jle .L26 movsd -32 * SIZE(A1), %xmm4 movhps -30 * SIZE(A1), %xmm4 movsd -28 * SIZE(A1), %xmm6 movhps -26 * SIZE(A1), %xmm6 mulps %xmm2, %xmm4 movaps -24 * SIZE(X), %xmm2 addps %xmm4, %xmm0 mulps %xmm3, %xmm6 movaps -20 * SIZE(X), %xmm3 addps %xmm6, %xmm0 addl $8 * SIZE, A1 addl $8 * SIZE, X ALIGN_4 .L26: testl $4, M jle .L27 movsd -32 * SIZE(A1), %xmm4 movhps -30 * SIZE(A1), %xmm4 mulps %xmm2, %xmm4 addps %xmm4, %xmm0 movaps %xmm3, %xmm2 addl $4 * SIZE, A1 ALIGN_4 .L27: testl $2, M jle .L28 #ifdef movsd xorps %xmm4, %xmm4 #endif movsd -32 * SIZE(A1), %xmm4 mulps %xmm2, %xmm4 addps %xmm4, %xmm0 movhlps %xmm2, %xmm2 addl $2 * SIZE, A1 ALIGN_4 .L28: testl $1, M jle .L29 movss -32 * SIZE(A1), %xmm4 mulss %xmm2, %xmm4 addss %xmm4, %xmm0 ALIGN_4 .L29: #ifdef HAVE_SSE3 haddps %xmm0, %xmm0 haddps %xmm0, %xmm0 #else movhlps %xmm0, %xmm2 addps %xmm2, %xmm0 movaps %xmm0, %xmm2 shufps $1, %xmm0, %xmm0 addss %xmm2, %xmm0 #endif movss ALPHA, %xmm7 mulss %xmm7, %xmm0 addss (Y1), %xmm0 movss %xmm0, (Y1) ALIGN_4 .L999: movl M,J leal (,J,SIZE),%eax addl %eax,AA movl STACK_INCX,INCX imull INCX,%eax addl %eax,XX jmp .L0t ALIGN_4 .L999x: popl %ebx popl %esi popl %edi popl %ebp addl $ARGS,%esp ret EPILOGUE