/*********************************************************************/ /* 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 STACK 16 #define ARGS 16 #define M 4 + STACK + ARGS(%esp) #define N 8 + STACK + ARGS(%esp) #define K 12 + STACK + ARGS(%esp) #define ALPHA_R 16 + STACK + ARGS(%esp) #define ALPHA_I 24 + STACK + ARGS(%esp) #define A 32 + STACK + ARGS(%esp) #define ARG_B 36 + STACK + ARGS(%esp) #define C 40 + STACK + ARGS(%esp) #define ARG_LDC 44 + STACK + ARGS(%esp) #define OFFSET 48 + STACK + ARGS(%esp) #define J 0 + STACK(%esp) #define KK 4 + STACK(%esp) #define KKK 8 + STACK(%esp) #define AORIG 12 + STACK(%esp) #if defined(PENRYN) || defined(DUNNINGTON) #define PREFETCH prefetcht1 #define PREFETCHSIZE 84 #endif #ifdef NEHALEM #define PREFETCH prefetcht1 #define PREFETCHSIZE 84 #endif #ifdef NANO #define PREFETCH prefetcht0 #define PREFETCHSIZE (8 * 2) #endif #define AA %edx #define BB %ecx #define LDC %ebp #define B %edi #define CO1 %esi #define ADD1 addpd #define ADD2 addpd PROLOGUE subl $ARGS, %esp pushl %ebp pushl %edi pushl %esi pushl %ebx PROFCODE movl ARG_B, B movl ARG_LDC, LDC movl OFFSET, %eax #ifdef RN negl %eax #endif movl %eax, KK movl M, %ebx testl %ebx, %ebx jle .L999 subl $-16 * SIZE, A subl $-16 * SIZE, B sall $ZBASE_SHIFT, LDC #ifdef LN movl M, %eax sall $ZBASE_SHIFT, %eax addl %eax, C imull K, %eax addl %eax, A #endif #ifdef RT movl N, %eax sall $ZBASE_SHIFT, %eax imull K, %eax addl %eax, B movl N, %eax imull LDC, %eax addl %eax, C #endif #ifdef RT movl N, %eax subl OFFSET, %eax movl %eax, KK #endif movl N, %eax testl $1, %eax jle .L100 #if defined(LT) || defined(RN) movl A, AA #else movl A, %eax movl %eax, AORIG #endif #ifdef RT movl K, %eax sall $ZBASE_SHIFT, %eax subl %eax, B #endif #ifdef RT subl LDC, C #endif movl C, CO1 #ifndef RT addl LDC, C #endif #ifdef LN movl OFFSET, %eax addl M, %eax movl %eax, KK #endif #ifdef LT movl OFFSET, %eax movl %eax, KK #endif movl M, %ebx ALIGN_4 L110: #ifdef LN movl K, %eax sall $ZBASE_SHIFT, %eax subl %eax, AORIG #endif #if defined(LN) || defined(RT) movl KK, %eax movl AORIG, AA sall $ZBASE_SHIFT, %eax addl %eax, AA #endif movl B, BB #if defined(LN) || defined(RT) movl KK, %eax sall $ZBASE_SHIFT, %eax addl %eax, BB #endif movaps -16 * SIZE(AA), %xmm0 pxor %xmm2, %xmm2 movaps -16 * SIZE(BB), %xmm1 pxor %xmm3, %xmm3 pxor %xmm4, %xmm4 #ifdef LN prefetcht0 -2 * SIZE(CO1) #else prefetcht0 1 * SIZE(CO1) #endif pxor %xmm5, %xmm5 pxor %xmm6, %xmm6 pxor %xmm7, %xmm7 #if defined(LT) || defined(RN) movl KK, %eax #else movl K, %eax subl KK, %eax #endif sarl $3, %eax je L115 ALIGN_4 L112: PREFETCH (PREFETCHSIZE + 0) * SIZE(AA) pshufd $0x4e, %xmm1, %xmm2 mulpd %xmm0, %xmm1 mulpd %xmm0, %xmm2 movaps -14 * SIZE(AA), %xmm0 ADD1 %xmm1, %xmm4 movaps -14 * SIZE(BB), %xmm1 ADD2 %xmm2, %xmm5 pshufd $0x4e, %xmm1, %xmm2 mulpd %xmm0, %xmm1 mulpd %xmm0, %xmm2 movaps -12 * SIZE(AA), %xmm0 ADD1 %xmm1, %xmm6 movaps -12 * SIZE(BB), %xmm1 ADD2 %xmm2, %xmm7 pshufd $0x4e, %xmm1, %xmm2 mulpd %xmm0, %xmm1 mulpd %xmm0, %xmm2 movaps -10 * SIZE(AA), %xmm0 ADD1 %xmm1, %xmm4 movaps -10 * SIZE(BB), %xmm1 ADD2 %xmm2, %xmm5 pshufd $0x4e, %xmm1, %xmm2 mulpd %xmm0, %xmm1 mulpd %xmm0, %xmm2 movaps -8 * SIZE(AA), %xmm0 ADD1 %xmm1, %xmm6 movaps -8 * SIZE(BB), %xmm1 ADD2 %xmm2, %xmm7 PREFETCH (PREFETCHSIZE + 8) * SIZE(AA) pshufd $0x4e, %xmm1, %xmm2 mulpd %xmm0, %xmm1 mulpd %xmm0, %xmm2 movaps -6 * SIZE(AA), %xmm0 ADD1 %xmm1, %xmm4 movaps -6 * SIZE(BB), %xmm1 ADD2 %xmm2, %xmm5 pshufd $0x4e, %xmm1, %xmm2 mulpd %xmm0, %xmm1 mulpd %xmm0, %xmm2 movaps -4 * SIZE(AA), %xmm0 ADD1 %xmm1, %xmm6 movaps -4 * SIZE(BB), %xmm1 ADD2 %xmm2, %xmm7 pshufd $0x4e, %xmm1, %xmm2 mulpd %xmm0, %xmm1 mulpd %xmm0, %xmm2 movaps -2 * SIZE(AA), %xmm0 ADD1 %xmm1, %xmm4 movaps -2 * SIZE(BB), %xmm1 ADD2 %xmm2, %xmm5 pshufd $0x4e, %xmm1, %xmm2 mulpd %xmm0, %xmm1 mulpd %xmm0, %xmm2 movaps 0 * SIZE(AA), %xmm0 ADD1 %xmm1, %xmm6 movaps 0 * SIZE(BB), %xmm1 ADD2 %xmm2, %xmm7 subl $-16 * SIZE, AA subl $-16 * SIZE, BB subl $1, %eax jne L112 ALIGN_4 L115: #if defined(LT) || defined(RN) movl KK, %eax #else movl K, %eax subl KK, %eax #endif andl $7, %eax # if (k & 1) BRANCH je L118 ALIGN_4 L116: pshufd $0x4e, %xmm1, %xmm2 mulpd %xmm0, %xmm1 mulpd %xmm0, %xmm2 movaps -14 * SIZE(AA), %xmm0 ADD1 %xmm1, %xmm4 movaps -14 * SIZE(BB), %xmm1 ADD2 %xmm2, %xmm5 addl $2 * SIZE, AA addl $2 * SIZE, BB decl %eax jg L116 ALIGN_4 L118: #if defined(LN) || defined(RT) movl KK, %eax #ifdef LN subl $1, %eax #else subl $1, %eax #endif movl AORIG, AA sall $ZBASE_SHIFT, %eax leal (AA, %eax, 1), AA leal (B, %eax, 1), BB #endif addpd %xmm6, %xmm4 pcmpeqb %xmm1, %xmm1 addpd %xmm7, %xmm5 psllq $63, %xmm1 #ifndef CONJ pshufd $0x40, %xmm1, %xmm0 shufps $0x04, %xmm1, %xmm1 pxor %xmm0, %xmm4 #else #if defined(LN) || defined(LT) pshufd $0x40, %xmm1, %xmm0 #else pshufd $0x04, %xmm1, %xmm0 #endif shufps $0x40, %xmm1, %xmm1 pxor %xmm0, %xmm5 #endif haddpd %xmm5, %xmm4 #if defined(LN) || defined(LT) movapd -16 * SIZE(BB), %xmm5 subpd %xmm4, %xmm5 #else movapd -16 * SIZE(AA), %xmm5 subpd %xmm4, %xmm5 #endif #if defined(LN) || defined(LT) movddup -16 * SIZE(AA), %xmm2 movddup -15 * SIZE(AA), %xmm3 pshufd $0x4e, %xmm5, %xmm4 xorpd %xmm1, %xmm4 mulpd %xmm2, %xmm5 mulpd %xmm3, %xmm4 addpd %xmm4, %xmm5 #endif #if defined(RN) || defined(RT) movddup -16 * SIZE(BB), %xmm2 movddup -15 * SIZE(BB), %xmm3 pshufd $0x4e, %xmm5, %xmm4 xorpd %xmm1, %xmm4 mulpd %xmm2, %xmm5 mulpd %xmm3, %xmm4 addpd %xmm4, %xmm5 #endif #ifdef LN subl $2 * SIZE, CO1 #endif movlpd %xmm5, 0 * SIZE(CO1) movhpd %xmm5, 1 * SIZE(CO1) #if defined(LN) || defined(LT) movapd %xmm5, -16 * SIZE(BB) #else movapd %xmm5, -16 * SIZE(AA) #endif #ifndef LN addl $2 * SIZE, CO1 #endif #if defined(LT) || defined(RN) movl K, %eax subl KK, %eax sall $ZBASE_SHIFT, %eax addl %eax, AA addl %eax, BB #endif #ifdef LN subl $1, KK #endif #ifdef LT addl $1, KK #endif #ifdef RT movl K, %eax sall $ZBASE_SHIFT, %eax addl %eax, AORIG #endif decl %ebx # i -- jg L110 #ifdef LN movl K, %eax sall $ZBASE_SHIFT, %eax addl %eax, B #endif #if defined(LT) || defined(RN) movl BB, B #endif #ifdef RN addl $1, KK #endif #ifdef RT subl $1, KK #endif ALIGN_4 .L100: movl N, %eax sarl $1, %eax movl %eax, J # j = n jle .L999 ALIGN_4 .L01: #if defined(LT) || defined(RN) movl A, AA #else movl A, %eax movl %eax, AORIG #endif #ifdef RT movl K, %eax sall $1 + ZBASE_SHIFT, %eax subl %eax, B #endif leal (, LDC, 2), %eax #ifdef RT subl %eax, C #endif movl C, CO1 #ifndef RT addl %eax, C #endif #ifdef LN movl OFFSET, %eax addl M, %eax movl %eax, KK #endif #ifdef LT movl OFFSET, %eax movl %eax, KK #endif movl M, %ebx ALIGN_4 .L10: #ifdef LN movl K, %eax sall $ZBASE_SHIFT, %eax subl %eax, AORIG #endif #if defined(LN) || defined(RT) movl KK, %eax movl AORIG, AA sall $ZBASE_SHIFT, %eax addl %eax, AA #endif movl B, BB #if defined(LN) || defined(RT) movl KK, %eax sall $1 + ZBASE_SHIFT, %eax addl %eax, BB #endif movaps -16 * SIZE(AA), %xmm0 pxor %xmm2, %xmm2 movaps -16 * SIZE(BB), %xmm1 pxor %xmm3, %xmm3 #ifdef LN pxor %xmm4, %xmm4 prefetcht0 -2 * SIZE(CO1) pxor %xmm5, %xmm5 prefetcht0 -2 * SIZE(CO1, LDC) #else pxor %xmm4, %xmm4 prefetcht0 1 * SIZE(CO1) pxor %xmm5, %xmm5 prefetcht0 1 * SIZE(CO1, LDC) #endif pxor %xmm6, %xmm6 pxor %xmm7, %xmm7 #if defined(LT) || defined(RN) movl KK, %eax #else movl K, %eax subl KK, %eax #endif sarl $3, %eax je .L15 ALIGN_4 .L12: PREFETCH (PREFETCHSIZE + 0) * SIZE(AA) ADD1 %xmm3, %xmm6 movaps -14 * SIZE(BB), %xmm3 ADD2 %xmm2, %xmm7 pshufd $0x4e, %xmm1, %xmm2 mulpd %xmm0, %xmm1 mulpd %xmm0, %xmm2 ADD1 %xmm1, %xmm4 movaps -12 * SIZE(BB), %xmm1 ADD2 %xmm2, %xmm5 pshufd $0x4e, %xmm3, %xmm2 mulpd %xmm0, %xmm3 mulpd %xmm0, %xmm2 movaps -14 * SIZE(AA), %xmm0 ADD1 %xmm3, %xmm6 movaps -10 * SIZE(BB), %xmm3 ADD2 %xmm2, %xmm7 pshufd $0x4e, %xmm1, %xmm2 mulpd %xmm0, %xmm1 mulpd %xmm0, %xmm2 ADD1 %xmm1, %xmm4 movaps -8 * SIZE(BB), %xmm1 ADD2 %xmm2, %xmm5 pshufd $0x4e, %xmm3, %xmm2 mulpd %xmm0, %xmm3 mulpd %xmm0, %xmm2 movaps -12 * SIZE(AA), %xmm0 ADD1 %xmm3, %xmm6 movaps -6 * SIZE(BB), %xmm3 ADD2 %xmm2, %xmm7 pshufd $0x4e, %xmm1, %xmm2 mulpd %xmm0, %xmm1 mulpd %xmm0, %xmm2 ADD1 %xmm1, %xmm4 movaps -4 * SIZE(BB), %xmm1 ADD2 %xmm2, %xmm5 pshufd $0x4e, %xmm3, %xmm2 mulpd %xmm0, %xmm3 mulpd %xmm0, %xmm2 movaps -10 * SIZE(AA), %xmm0 ADD1 %xmm3, %xmm6 movaps -2 * SIZE(BB), %xmm3 ADD2 %xmm2, %xmm7 pshufd $0x4e, %xmm1, %xmm2 mulpd %xmm0, %xmm1 mulpd %xmm0, %xmm2 ADD1 %xmm1, %xmm4 movaps 0 * SIZE(BB), %xmm1 ADD2 %xmm2, %xmm5 pshufd $0x4e, %xmm3, %xmm2 mulpd %xmm0, %xmm3 mulpd %xmm0, %xmm2 movaps -8 * SIZE(AA), %xmm0 PREFETCH (PREFETCHSIZE + 8) * SIZE(AA) ADD1 %xmm3, %xmm6 movaps 2 * SIZE(BB), %xmm3 ADD2 %xmm2, %xmm7 pshufd $0x4e, %xmm1, %xmm2 mulpd %xmm0, %xmm1 mulpd %xmm0, %xmm2 ADD1 %xmm1, %xmm4 movaps 4 * SIZE(BB), %xmm1 ADD2 %xmm2, %xmm5 pshufd $0x4e, %xmm3, %xmm2 mulpd %xmm0, %xmm3 mulpd %xmm0, %xmm2 movaps -6 * SIZE(AA), %xmm0 ADD1 %xmm3, %xmm6 movaps 6 * SIZE(BB), %xmm3 ADD2 %xmm2, %xmm7 pshufd $0x4e, %xmm1, %xmm2 mulpd %xmm0, %xmm1 mulpd %xmm0, %xmm2 ADD1 %xmm1, %xmm4 movaps 8 * SIZE(BB), %xmm1 ADD2 %xmm2, %xmm5 pshufd $0x4e, %xmm3, %xmm2 mulpd %xmm0, %xmm3 mulpd %xmm0, %xmm2 movaps -4 * SIZE(AA), %xmm0 ADD1 %xmm3, %xmm6 movaps 10 * SIZE(BB), %xmm3 ADD2 %xmm2, %xmm7 pshufd $0x4e, %xmm1, %xmm2 mulpd %xmm0, %xmm1 mulpd %xmm0, %xmm2 ADD1 %xmm1, %xmm4 movaps 12 * SIZE(BB), %xmm1 ADD2 %xmm2, %xmm5 pshufd $0x4e, %xmm3, %xmm2 mulpd %xmm0, %xmm3 mulpd %xmm0, %xmm2 movaps -2 * SIZE(AA), %xmm0 ADD1 %xmm3, %xmm6 movaps 14 * SIZE(BB), %xmm3 ADD2 %xmm2, %xmm7 pshufd $0x4e, %xmm1, %xmm2 mulpd %xmm0, %xmm1 mulpd %xmm0, %xmm2 ADD1 %xmm1, %xmm4 movaps 16 * SIZE(BB), %xmm1 ADD2 %xmm2, %xmm5 pshufd $0x4e, %xmm3, %xmm2 mulpd %xmm0, %xmm3 subl $-32 * SIZE, BB mulpd %xmm0, %xmm2 movaps 0 * SIZE(AA), %xmm0 subl $-16 * SIZE, AA subl $1, %eax jne .L12 ALIGN_4 .L15: #if defined(LT) || defined(RN) movl KK, %eax #else movl K, %eax subl KK, %eax #endif andl $7, %eax # if (k & 1) BRANCH je .L18 ALIGN_4 .L16: ADD1 %xmm3, %xmm6 movaps -14 * SIZE(BB), %xmm3 ADD2 %xmm2, %xmm7 pshufd $0x4e, %xmm1, %xmm2 mulpd %xmm0, %xmm1 mulpd %xmm0, %xmm2 ADD1 %xmm1, %xmm4 movaps -12 * SIZE(BB), %xmm1 ADD2 %xmm2, %xmm5 pshufd $0x4e, %xmm3, %xmm2 mulpd %xmm0, %xmm3 mulpd %xmm0, %xmm2 movaps -14 * SIZE(AA), %xmm0 addl $2 * SIZE, AA addl $4 * SIZE, BB decl %eax jg .L16 ALIGN_4 .L18: #if defined(LN) || defined(RT) movl KK, %eax #ifdef LN subl $1, %eax #else subl $2, %eax #endif movl AORIG, AA sall $ZBASE_SHIFT, %eax leal (AA, %eax, 1), AA leal (B, %eax, 2), BB #endif ADD1 %xmm3, %xmm6 pcmpeqb %xmm1, %xmm1 ADD2 %xmm2, %xmm7 psllq $63, %xmm1 #ifndef CONJ pshufd $0x40, %xmm1, %xmm0 shufps $0x04, %xmm1, %xmm1 pxor %xmm0, %xmm4 pxor %xmm0, %xmm6 #else #if defined(LN) || defined(LT) pshufd $0x40, %xmm1, %xmm0 #else pshufd $0x04, %xmm1, %xmm0 #endif shufps $0x40, %xmm1, %xmm1 pxor %xmm0, %xmm5 pxor %xmm0, %xmm7 #endif haddpd %xmm5, %xmm4 haddpd %xmm7, %xmm6 #if defined(LN) || defined(LT) movapd -16 * SIZE(BB), %xmm5 movapd -14 * SIZE(BB), %xmm7 subpd %xmm4, %xmm5 subpd %xmm6, %xmm7 #else movapd -16 * SIZE(AA), %xmm5 movapd -14 * SIZE(AA), %xmm7 subpd %xmm4, %xmm5 subpd %xmm6, %xmm7 #endif #if defined(LN) || defined(LT) movddup -16 * SIZE(AA), %xmm2 movddup -15 * SIZE(AA), %xmm3 pshufd $0x4e, %xmm5, %xmm4 pshufd $0x4e, %xmm7, %xmm6 xorpd %xmm1, %xmm4 xorpd %xmm1, %xmm6 mulpd %xmm2, %xmm5 mulpd %xmm3, %xmm4 mulpd %xmm2, %xmm7 mulpd %xmm3, %xmm6 addpd %xmm4, %xmm5 addpd %xmm6, %xmm7 #endif #ifdef RN movddup -16 * SIZE(BB), %xmm2 movddup -15 * SIZE(BB), %xmm3 pshufd $0x4e, %xmm5, %xmm4 xorpd %xmm1, %xmm4 mulpd %xmm2, %xmm5 mulpd %xmm3, %xmm4 addpd %xmm4, %xmm5 movddup -14 * SIZE(BB), %xmm2 movddup -13 * SIZE(BB), %xmm3 movapd %xmm5, %xmm4 pshufd $0x4e, %xmm5, %xmm6 xorpd %xmm1, %xmm6 mulpd %xmm2, %xmm4 mulpd %xmm3, %xmm6 subpd %xmm4, %xmm7 subpd %xmm6, %xmm7 movddup -10 * SIZE(BB), %xmm2 movddup -9 * SIZE(BB), %xmm3 pshufd $0x4e, %xmm7, %xmm6 xorpd %xmm1, %xmm6 mulpd %xmm2, %xmm7 mulpd %xmm3, %xmm6 addpd %xmm6, %xmm7 #endif #ifdef RT movddup -10 * SIZE(BB), %xmm2 movddup -9 * SIZE(BB), %xmm3 pshufd $0x4e, %xmm7, %xmm6 xorpd %xmm1, %xmm6 mulpd %xmm2, %xmm7 mulpd %xmm3, %xmm6 addpd %xmm6, %xmm7 movddup -12 * SIZE(BB), %xmm2 movddup -11 * SIZE(BB), %xmm3 movapd %xmm7, %xmm4 pshufd $0x4e, %xmm7, %xmm6 xorpd %xmm1, %xmm6 mulpd %xmm2, %xmm4 mulpd %xmm3, %xmm6 subpd %xmm4, %xmm5 subpd %xmm6, %xmm5 movddup -16 * SIZE(BB), %xmm2 movddup -15 * SIZE(BB), %xmm3 pshufd $0x4e, %xmm5, %xmm4 xorpd %xmm1, %xmm4 mulpd %xmm2, %xmm5 mulpd %xmm3, %xmm4 addpd %xmm4, %xmm5 #endif #ifdef LN subl $2 * SIZE, CO1 #endif movlpd %xmm5, 0 * SIZE(CO1) movhpd %xmm5, 1 * SIZE(CO1) movlpd %xmm7, 0 * SIZE(CO1, LDC) movhpd %xmm7, 1 * SIZE(CO1, LDC) #if defined(LN) || defined(LT) movapd %xmm5, -16 * SIZE(BB) movapd %xmm7, -14 * SIZE(BB) #else movapd %xmm5, -16 * SIZE(AA) movapd %xmm7, -14 * SIZE(AA) #endif #ifndef LN addl $2 * SIZE, CO1 #endif #if defined(LT) || defined(RN) movl K, %eax subl KK, %eax sall $ZBASE_SHIFT, %eax addl %eax, AA leal (BB, %eax, 2), BB #endif #ifdef LN subl $1, KK #endif #ifdef LT addl $1, KK #endif #ifdef RT movl K, %eax sall $ZBASE_SHIFT, %eax addl %eax, AORIG #endif decl %ebx # i -- jg .L10 ALIGN_4 .L99: #ifdef LN movl K, %eax sall $1 + ZBASE_SHIFT, %eax addl %eax, B #endif #if defined(LT) || defined(RN) movl BB, B #endif #ifdef RN addl $2, KK #endif #ifdef RT subl $2, KK #endif decl J # j -- jg .L01 ALIGN_4 .L999: popl %ebx popl %esi popl %edi popl %ebp addl $ARGS, %esp ret EPILOGUE