/*********************************************************************/ /* 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 maxps minps #define maxss minss #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 psrld $1, %xmm15 movss 0 * SIZE(X), %xmm0 movss 1 * SIZE(X), %xmm1 addq INCX, X decq M andps %xmm15, %xmm0 andps %xmm15, %xmm1 addps %xmm1, %xmm0 shufps $0, %xmm0, %xmm0 movaps %xmm0, %xmm1 cmpq $2 * SIZE, INCX jne .L70 .L30: movq M, I sarq $3, I jle .L35 ALIGN_4 .L31: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X) #endif movsd 0 * SIZE(X), %xmm4 movhps 2 * SIZE(X), %xmm4 movsd 4 * SIZE(X), %xmm5 movhps 6 * SIZE(X), %xmm5 movaps %xmm4, %xmm6 shufps $0x88, %xmm5, %xmm4 shufps $0xdd, %xmm5, %xmm6 andps %xmm15, %xmm4 andps %xmm15, %xmm6 addps %xmm6, %xmm4 maxps %xmm4, %xmm0 movsd 8 * SIZE(X), %xmm7 movhps 10 * SIZE(X), %xmm7 movsd 12 * SIZE(X), %xmm8 movhps 14 * SIZE(X), %xmm8 movaps %xmm7, %xmm9 shufps $0x88, %xmm8, %xmm7 shufps $0xdd, %xmm8, %xmm9 andps %xmm15, %xmm7 andps %xmm15, %xmm9 addps %xmm9, %xmm7 maxps %xmm7, %xmm0 addq $16 * SIZE, X decq I jg .L31 ALIGN_4 .L35: andq $7, M jle .L40 testq $4, M je .L36 movsd 0 * SIZE(X), %xmm4 movhps 2 * SIZE(X), %xmm4 movsd 4 * SIZE(X), %xmm5 movhps 6 * SIZE(X), %xmm5 movaps %xmm4, %xmm6 shufps $0x88, %xmm5, %xmm4 shufps $0xdd, %xmm5, %xmm6 andps %xmm15, %xmm4 andps %xmm15, %xmm6 addps %xmm6, %xmm4 maxps %xmm4, %xmm0 addq $8 * SIZE, X ALIGN_3 .L36: testq $2, M je .L37 movss 0 * SIZE(X), %xmm4 movss 1 * SIZE(X), %xmm5 movss 2 * SIZE(X), %xmm6 movss 3 * SIZE(X), %xmm7 andps %xmm15, %xmm4 andps %xmm15, %xmm5 andps %xmm15, %xmm6 andps %xmm15, %xmm7 addps %xmm5, %xmm4 addps %xmm7, %xmm6 maxss %xmm4, %xmm0 maxss %xmm6, %xmm1 addq $4 * SIZE, X ALIGN_3 .L37: testq $1, M je .L40 movss 0 * SIZE(X), %xmm4 movss 1 * SIZE(X), %xmm5 andps %xmm15, %xmm4 andps %xmm15, %xmm5 addps %xmm5, %xmm4 maxss %xmm4, %xmm0 ALIGN_4 .L40: movq XX, X movq MM, M maxps %xmm1, %xmm0 movaps %xmm0, %xmm1 movhlps %xmm0, %xmm0 maxps %xmm1, %xmm0 movaps %xmm0, %xmm1 shufps $1, %xmm0, %xmm0 maxss %xmm1, %xmm0 shufps $0, %xmm0, %xmm0 movq M, I sarq $2, I jle .L45 ALIGN_4 .L41: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X) #endif movsd 0 * SIZE(X), %xmm1 movhps 2 * SIZE(X), %xmm1 movsd 4 * SIZE(X), %xmm2 movhps 6 * SIZE(X), %xmm2 movaps %xmm1, %xmm3 shufps $0x88, %xmm2, %xmm1 shufps $0xdd, %xmm2, %xmm3 andps %xmm15, %xmm1 andps %xmm15, %xmm3 addps %xmm3, %xmm1 cmpeqps %xmm0, %xmm1 #ifndef C_SUN movmskps %xmm1, %r11 #else .long 0xd9500f4c #endif testq $15, %r11 jne .L43 addq $8 * SIZE, X addq $4, RET decq I jg .L41 jmp .L45 ALIGN_4 .L43: movss 0 * SIZE(X), %xmm1 movss 1 * SIZE(X), %xmm2 movss 2 * SIZE(X), %xmm3 movss 3 * SIZE(X), %xmm4 movss 4 * SIZE(X), %xmm5 movss 5 * SIZE(X), %xmm6 movss 6 * SIZE(X), %xmm7 movss 7 * SIZE(X), %xmm8 addq $8 * SIZE, X andps %xmm15, %xmm1 andps %xmm15, %xmm2 andps %xmm15, %xmm3 andps %xmm15, %xmm4 andps %xmm15, %xmm5 andps %xmm15, %xmm6 andps %xmm15, %xmm7 andps %xmm15, %xmm8 addps %xmm2, %xmm1 addps %xmm4, %xmm3 addps %xmm6, %xmm5 addps %xmm8, %xmm7 incq RET comiss %xmm0, %xmm1 je .L999 incq RET comiss %xmm0, %xmm3 je .L999 incq RET comiss %xmm0, %xmm5 je .L999 incq RET comiss %xmm0, %xmm7 je .L999 ALIGN_3 .L45: testq $2, M je .L47 movss 0 * SIZE(X), %xmm1 movss 1 * SIZE(X), %xmm2 movss 2 * SIZE(X), %xmm3 movss 3 * SIZE(X), %xmm4 addq $4 * SIZE, X andps %xmm15, %xmm1 andps %xmm15, %xmm2 andps %xmm15, %xmm3 andps %xmm15, %xmm4 addps %xmm2, %xmm1 addps %xmm4, %xmm3 incq RET comiss %xmm0, %xmm1 je .L999 incq RET comiss %xmm0, %xmm3 je .L999 ALIGN_3 .L47: incq RET jmp .L999 ALIGN_3 .L70: movq M, I sarq $3, I jle .L75 ALIGN_4 .L71: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X) #endif movsd 0 * SIZE(X), %xmm4 addq INCX, X movhps 0 * SIZE(X), %xmm4 addq INCX, X movsd 0 * SIZE(X), %xmm5 addq INCX, X movhps 0 * SIZE(X), %xmm5 addq INCX, X movaps %xmm4, %xmm6 shufps $0x88, %xmm5, %xmm4 shufps $0xdd, %xmm5, %xmm6 andps %xmm15, %xmm4 andps %xmm15, %xmm6 addps %xmm6, %xmm4 maxps %xmm4, %xmm0 movsd 0 * SIZE(X), %xmm7 addq INCX, X movhps 0 * SIZE(X), %xmm7 addq INCX, X movsd 0 * SIZE(X), %xmm8 addq INCX, X movhps 0 * SIZE(X), %xmm8 addq INCX, X movaps %xmm7, %xmm9 shufps $0x88, %xmm8, %xmm7 shufps $0xdd, %xmm8, %xmm9 andps %xmm15, %xmm7 andps %xmm15, %xmm9 addps %xmm9, %xmm7 maxps %xmm7, %xmm0 decq I jg .L71 ALIGN_4 .L75: andq $7, M jle .L80 testq $4, M je .L76 movsd 0 * SIZE(X), %xmm4 addq INCX, X movhps 0 * SIZE(X), %xmm4 addq INCX, X movsd 0 * SIZE(X), %xmm5 addq INCX, X movhps 0 * SIZE(X), %xmm5 addq INCX, X movaps %xmm4, %xmm6 shufps $0x88, %xmm5, %xmm4 shufps $0xdd, %xmm5, %xmm6 andps %xmm15, %xmm4 andps %xmm15, %xmm6 addps %xmm6, %xmm4 maxps %xmm4, %xmm0 ALIGN_3 .L76: testq $2, M je .L77 movss 0 * SIZE(X), %xmm4 movss 1 * SIZE(X), %xmm5 addq INCX, X movss 0 * SIZE(X), %xmm6 movss 1 * SIZE(X), %xmm7 addq INCX, X andps %xmm15, %xmm4 andps %xmm15, %xmm5 andps %xmm15, %xmm6 andps %xmm15, %xmm7 addps %xmm5, %xmm4 addps %xmm7, %xmm6 maxss %xmm4, %xmm0 maxss %xmm6, %xmm1 ALIGN_3 .L77: testq $1, M je .L80 movss 0 * SIZE(X), %xmm4 movss 1 * SIZE(X), %xmm5 andps %xmm15, %xmm4 andps %xmm15, %xmm5 addps %xmm5, %xmm4 maxss %xmm4, %xmm0 ALIGN_4 .L80: movq XX, X movq MM, M maxps %xmm1, %xmm0 movaps %xmm0, %xmm1 movhlps %xmm0, %xmm0 maxps %xmm1, %xmm0 movaps %xmm0, %xmm1 shufps $1, %xmm0, %xmm0 maxss %xmm1, %xmm0 shufps $0, %xmm0, %xmm0 movq M, I sarq $2, I jle .L85 ALIGN_4 .L81: #ifdef PREFETCH PREFETCH (PREFETCHSIZE + 0) - PREOFFSET(X) #endif movsd 0 * SIZE(X), %xmm1 addq INCX, X movhps 0 * SIZE(X), %xmm1 addq INCX, X movsd 0 * SIZE(X), %xmm2 addq INCX, X movhps 0 * SIZE(X), %xmm2 addq INCX, X movaps %xmm1, %xmm3 shufps $0x88, %xmm2, %xmm1 shufps $0xdd, %xmm2, %xmm3 andps %xmm15, %xmm1 andps %xmm15, %xmm3 addps %xmm3, %xmm1 cmpeqps %xmm0, %xmm1 #ifndef C_SUN movmskps %xmm1, %r11 #else .long 0xd9500f4c #endif testq $15, %r11 jne .L83 addq $4, RET decq I jg .L81 jmp .L85 ALIGN_4 .L83: subq INCX, X movss 0 * SIZE(X), %xmm7 movss 1 * SIZE(X), %xmm8 subq INCX, X movss 0 * SIZE(X), %xmm5 movss 1 * SIZE(X), %xmm6 subq INCX, X movss 0 * SIZE(X), %xmm3 movss 1 * SIZE(X), %xmm4 subq INCX, X movss 0 * SIZE(X), %xmm1 movss 1 * SIZE(X), %xmm2 andps %xmm15, %xmm1 andps %xmm15, %xmm2 andps %xmm15, %xmm3 andps %xmm15, %xmm4 andps %xmm15, %xmm5 andps %xmm15, %xmm6 andps %xmm15, %xmm7 andps %xmm15, %xmm8 addps %xmm2, %xmm1 addps %xmm4, %xmm3 addps %xmm6, %xmm5 addps %xmm8, %xmm7 incq RET comiss %xmm0, %xmm1 je .L999 incq RET comiss %xmm0, %xmm3 je .L999 incq RET comiss %xmm0, %xmm5 je .L999 incq RET comiss %xmm0, %xmm7 je .L999 ALIGN_3 .L85: testq $2, M je .L87 movss 0 * SIZE(X), %xmm1 movss 1 * SIZE(X), %xmm2 addq INCX, X movss 0 * SIZE(X), %xmm3 movss 1 * SIZE(X), %xmm4 addq INCX, X andps %xmm15, %xmm1 andps %xmm15, %xmm2 andps %xmm15, %xmm3 andps %xmm15, %xmm4 addps %xmm2, %xmm1 addps %xmm4, %xmm3 incq RET comiss %xmm0, %xmm1 je .L999 incq RET comiss %xmm0, %xmm3 je .L999 ALIGN_3 .L87: incq RET ALIGN_4 .L999: RESTOREREGISTERS ret EPILOGUE