/*********************************************************************/ /* 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 M ARG1 /* rdi */ #define X ARG2 /* rsi */ #define INCX ARG3 /* rdx */ #define RET %rax #define I ARG4 #define XX %r10 #define MM %r11 #ifdef USE_MIN #define maxpd minpd #define maxsd minsd #endif #include "l1param.h" PROLOGUE PROFCODE SAVEREGISTERS pxor %xmm0, %xmm0 xor RET, RET testq M, M jle .L999 testq INCX, INCX jle .L999 salq $ZBASE_SHIFT, INCX movq M, MM movq X, XX pcmpeqb %xmm15, %xmm15 psrlq $1, %xmm15 movsd 0 * SIZE(X), %xmm0 movsd 1 * SIZE(X), %xmm1 addq INCX, X decq M andpd %xmm15, %xmm0 andpd %xmm15, %xmm1 addpd %xmm1, %xmm0 unpcklpd %xmm0, %xmm0 movapd %xmm0, %xmm1 movapd %xmm0, %xmm2 movapd %xmm0, %xmm3 cmpq $2 * SIZE, INCX jne .L60 movq M, I sarq $3, I jle .L25 ALIGN_4 .L21: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X) #endif movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 movhpd 2 * SIZE(X), %xmm4 movhpd 3 * SIZE(X), %xmm5 movsd 4 * SIZE(X), %xmm6 movsd 5 * SIZE(X), %xmm7 movhpd 6 * SIZE(X), %xmm6 movhpd 7 * SIZE(X), %xmm7 andpd %xmm15, %xmm4 andpd %xmm15, %xmm5 andpd %xmm15, %xmm6 andpd %xmm15, %xmm7 addpd %xmm5, %xmm4 addpd %xmm7, %xmm6 maxpd %xmm4, %xmm0 maxpd %xmm6, %xmm1 #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 64) - PREOFFSET(X) #endif movsd 8 * SIZE(X), %xmm4 movsd 9 * SIZE(X), %xmm5 movhpd 10 * SIZE(X), %xmm4 movhpd 11 * SIZE(X), %xmm5 movsd 12 * SIZE(X), %xmm6 movsd 13 * SIZE(X), %xmm7 movhpd 14 * SIZE(X), %xmm6 movhpd 15 * SIZE(X), %xmm7 andpd %xmm15, %xmm4 andpd %xmm15, %xmm5 andpd %xmm15, %xmm6 andpd %xmm15, %xmm7 addpd %xmm5, %xmm4 addpd %xmm7, %xmm6 maxpd %xmm4, %xmm2 maxpd %xmm6, %xmm3 addq $16 * SIZE, X decq I jg .L21 ALIGN_4 .L25: andq $7, M jle .L30 testq $4, M je .L26 movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 movhpd 2 * SIZE(X), %xmm4 movhpd 3 * SIZE(X), %xmm5 movsd 4 * SIZE(X), %xmm6 movsd 5 * SIZE(X), %xmm7 movhpd 6 * SIZE(X), %xmm6 movhpd 7 * SIZE(X), %xmm7 andpd %xmm15, %xmm4 andpd %xmm15, %xmm5 andpd %xmm15, %xmm6 andpd %xmm15, %xmm7 addpd %xmm5, %xmm4 addpd %xmm7, %xmm6 maxpd %xmm4, %xmm0 maxpd %xmm6, %xmm1 addq $8 * SIZE, X ALIGN_3 .L26: testq $2, M je .L27 movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 movhpd 2 * SIZE(X), %xmm4 movhpd 3 * SIZE(X), %xmm5 addq $4 * SIZE, X andpd %xmm15, %xmm4 andpd %xmm15, %xmm5 addpd %xmm5, %xmm4 maxpd %xmm4, %xmm0 ALIGN_3 .L27: testq $1, M je .L30 movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 andpd %xmm15, %xmm4 andpd %xmm15, %xmm5 addpd %xmm5, %xmm4 maxsd %xmm4, %xmm2 ALIGN_4 .L30: movq XX, X movq MM, M maxpd %xmm1, %xmm0 maxpd %xmm3, %xmm2 maxpd %xmm2, %xmm0 movapd %xmm0, %xmm1 unpckhpd %xmm0, %xmm0 maxsd %xmm1, %xmm0 unpcklpd %xmm0, %xmm0 movq M, I sarq $2, I jle .L35 ALIGN_4 .L31: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X) #endif movsd 0 * SIZE(X), %xmm1 movsd 1 * SIZE(X), %xmm2 movhpd 2 * SIZE(X), %xmm1 movhpd 3 * SIZE(X), %xmm2 movsd 4 * SIZE(X), %xmm3 movsd 5 * SIZE(X), %xmm4 movhpd 6 * SIZE(X), %xmm3 movhpd 7 * SIZE(X), %xmm4 andpd %xmm15, %xmm1 andpd %xmm15, %xmm2 andpd %xmm15, %xmm3 andpd %xmm15, %xmm4 addpd %xmm2, %xmm1 addpd %xmm4, %xmm3 cmpeqpd %xmm0, %xmm1 cmpeqpd %xmm0, %xmm3 orpd %xmm3, %xmm1 #ifndef C_SUN movmskpd %xmm1, %r11 #else .byte 0x66 .long 0xd9500f4c #endif testq $3, %r11 jne .L33 addq $8 * SIZE, X addq $4, RET decq I jg .L31 jmp .L35 ALIGN_4 .L33: movsd 0 * SIZE(X), %xmm1 movsd 1 * SIZE(X), %xmm2 movsd 2 * SIZE(X), %xmm3 movsd 3 * SIZE(X), %xmm4 movsd 4 * SIZE(X), %xmm5 movsd 5 * SIZE(X), %xmm6 movsd 6 * SIZE(X), %xmm7 movsd 7 * SIZE(X), %xmm8 addq $8 * SIZE, X andpd %xmm15, %xmm1 andpd %xmm15, %xmm2 andpd %xmm15, %xmm3 andpd %xmm15, %xmm4 andpd %xmm15, %xmm5 andpd %xmm15, %xmm6 andpd %xmm15, %xmm7 andpd %xmm15, %xmm8 addpd %xmm2, %xmm1 addpd %xmm4, %xmm3 addpd %xmm6, %xmm5 addpd %xmm8, %xmm7 incq RET comisd %xmm0, %xmm1 je .L999 incq RET comisd %xmm0, %xmm3 je .L999 incq RET comisd %xmm0, %xmm5 je .L999 incq RET comisd %xmm0, %xmm7 je .L999 ALIGN_3 .L35: testq $2, M je .L36 movsd 0 * SIZE(X), %xmm1 movsd 1 * SIZE(X), %xmm2 movsd 2 * SIZE(X), %xmm3 movsd 3 * SIZE(X), %xmm4 addq $4 * SIZE, X andpd %xmm15, %xmm1 andpd %xmm15, %xmm2 andpd %xmm15, %xmm3 andpd %xmm15, %xmm4 addpd %xmm2, %xmm1 addpd %xmm4, %xmm3 incq RET comisd %xmm0, %xmm1 je .L999 incq RET comisd %xmm0, %xmm3 je .L999 ALIGN_3 .L36: incq RET jmp .L999 ALIGN_3 .L60: movq M, I sarq $3, I jle .L65 ALIGN_4 .L61: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X) #endif movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 addq INCX, X movhpd 0 * SIZE(X), %xmm4 movhpd 1 * SIZE(X), %xmm5 addq INCX, X movsd 0 * SIZE(X), %xmm6 movsd 1 * SIZE(X), %xmm7 addq INCX, X movhpd 0 * SIZE(X), %xmm6 movhpd 1 * SIZE(X), %xmm7 addq INCX, X andpd %xmm15, %xmm4 andpd %xmm15, %xmm5 andpd %xmm15, %xmm6 andpd %xmm15, %xmm7 addpd %xmm5, %xmm4 addpd %xmm7, %xmm6 maxpd %xmm4, %xmm0 maxpd %xmm6, %xmm1 #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 64) - PREOFFSET(X) #endif movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 addq INCX, X movhpd 0 * SIZE(X), %xmm4 movhpd 1 * SIZE(X), %xmm5 addq INCX, X movsd 0 * SIZE(X), %xmm6 movsd 1 * SIZE(X), %xmm7 addq INCX, X movhpd 0 * SIZE(X), %xmm6 movhpd 1 * SIZE(X), %xmm7 addq INCX, X andpd %xmm15, %xmm4 andpd %xmm15, %xmm5 andpd %xmm15, %xmm6 andpd %xmm15, %xmm7 addpd %xmm5, %xmm4 addpd %xmm7, %xmm6 maxpd %xmm4, %xmm2 maxpd %xmm6, %xmm3 decq I jg .L61 ALIGN_4 .L65: andq $7, M jle .L70 testq $4, M je .L66 movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 addq INCX, X movhpd 0 * SIZE(X), %xmm4 movhpd 1 * SIZE(X), %xmm5 addq INCX, X movsd 0 * SIZE(X), %xmm6 movsd 1 * SIZE(X), %xmm7 addq INCX, X movhpd 0 * SIZE(X), %xmm6 movhpd 1 * SIZE(X), %xmm7 addq INCX, X andpd %xmm15, %xmm4 andpd %xmm15, %xmm5 andpd %xmm15, %xmm6 andpd %xmm15, %xmm7 addpd %xmm5, %xmm4 addpd %xmm7, %xmm6 maxpd %xmm4, %xmm0 maxpd %xmm6, %xmm1 ALIGN_3 .L66: testq $2, M je .L67 movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 addq INCX, X movhpd 0 * SIZE(X), %xmm4 movhpd 1 * SIZE(X), %xmm5 addq INCX, X andpd %xmm15, %xmm4 andpd %xmm15, %xmm5 addpd %xmm5, %xmm4 maxpd %xmm4, %xmm2 ALIGN_3 .L67: testq $1, M je .L70 movsd 0 * SIZE(X), %xmm4 movsd 1 * SIZE(X), %xmm5 andpd %xmm15, %xmm4 andpd %xmm15, %xmm5 addpd %xmm5, %xmm4 maxsd %xmm4, %xmm3 ALIGN_3 .L70: movq XX, X movq MM, M maxpd %xmm1, %xmm0 maxpd %xmm3, %xmm2 maxpd %xmm2, %xmm0 movapd %xmm0, %xmm1 unpckhpd %xmm0, %xmm0 maxsd %xmm1, %xmm0 unpcklpd %xmm0, %xmm0 movq M, I sarq $2, I jle .L75 ALIGN_4 .L71: #if defined(OPTERON) || defined(BARCELONA) || defined(SHANGHAI) || defined(BULLDOZER) prefetch PREFETCHSIZE * SIZE(X) #endif #ifdef PENTIUM4 prefetchnta PREFETCHSIZE * SIZE(X) #endif movsd 0 * SIZE(X), %xmm1 movsd 1 * SIZE(X), %xmm2 addq INCX, X movhpd 0 * SIZE(X), %xmm1 movhpd 1 * SIZE(X), %xmm2 addq INCX, X movsd 0 * SIZE(X), %xmm3 movsd 1 * SIZE(X), %xmm4 addq INCX, X movhpd 0 * SIZE(X), %xmm3 movhpd 1 * SIZE(X), %xmm4 addq INCX, X andpd %xmm15, %xmm1 andpd %xmm15, %xmm2 andpd %xmm15, %xmm3 andpd %xmm15, %xmm4 addpd %xmm2, %xmm1 addpd %xmm4, %xmm3 cmpeqpd %xmm0, %xmm1 cmpeqpd %xmm0, %xmm3 orpd %xmm3, %xmm1 #ifndef C_SUN movmskpd %xmm1, %r11 #else .byte 0x66 .long 0xd9500f4c #endif testq $3, %r11 jne .L73 addq $4, RET decq I jg .L71 jmp .L75 ALIGN_4 .L73: subq INCX, X movsd 0 * SIZE(X), %xmm7 movsd 1 * SIZE(X), %xmm8 subq INCX, X movsd 0 * SIZE(X), %xmm5 movsd 1 * SIZE(X), %xmm6 subq INCX, X movsd 0 * SIZE(X), %xmm3 movsd 1 * SIZE(X), %xmm4 subq INCX, X movsd 0 * SIZE(X), %xmm1 movsd 1 * SIZE(X), %xmm2 andpd %xmm15, %xmm1 andpd %xmm15, %xmm2 andpd %xmm15, %xmm3 andpd %xmm15, %xmm4 andpd %xmm15, %xmm5 andpd %xmm15, %xmm6 andpd %xmm15, %xmm7 andpd %xmm15, %xmm8 addpd %xmm2, %xmm1 addpd %xmm4, %xmm3 addpd %xmm6, %xmm5 addpd %xmm8, %xmm7 incq RET comisd %xmm0, %xmm1 je .L999 incq RET comisd %xmm0, %xmm3 je .L999 incq RET comisd %xmm0, %xmm5 je .L999 incq RET comisd %xmm0, %xmm7 je .L999 ALIGN_3 .L75: testq $2, M je .L76 movsd 0 * SIZE(X), %xmm1 movsd 1 * SIZE(X), %xmm2 addq INCX, X movsd 0 * SIZE(X), %xmm3 movsd 1 * SIZE(X), %xmm4 addq INCX, X andpd %xmm15, %xmm1 andpd %xmm15, %xmm2 andpd %xmm15, %xmm3 andpd %xmm15, %xmm4 addpd %xmm2, %xmm1 addpd %xmm4, %xmm3 incq RET comisd %xmm0, %xmm1 je .L999 incq RET comisd %xmm0, %xmm3 je .L999 ALIGN_3 .L76: incq RET ALIGN_4 .L999: RESTOREREGISTERS ret EPILOGUE