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/*********************************************************************/
/* 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. */
/*********************************************************************/
#ifndef COMMON_X86
#define COMMON_X86
#ifndef ASSEMBLER
#define MB
#define WMB
#ifdef C_SUN
#define __asm__ __asm
#define __volatile__
#endif
static void __inline blas_lock(volatile BLASULONG *address){
int ret;
do {
while (*address) {YIELDING;};
__asm__ __volatile__(
"xchgl %0, %1\n"
: "=r"(ret), "=m"(*address)
: "0"(1), "m"(*address)
: "memory");
} while (ret);
}
static __inline unsigned long long rpcc(void){
unsigned int a, d;
__asm__ __volatile__ ("rdtsc" : "=a" (a), "=d" (d));
return ((unsigned long long)a + ((unsigned long long)d << 32));
};
static __inline unsigned long getstackaddr(void){
unsigned long addr;
__asm__ __volatile__ ("mov %%esp, %0"
: "=r"(addr) : : "memory");
return addr;
};
static __inline long double sqrt_long(long double val) {
long double result;
__asm__ __volatile__ ("fldt %1\n"
"fsqrt\n"
"fstpt %0\n" : "=m" (result) : "m"(val));
return result;
}
#define SQRT(a) sqrt_long(a)
/* This is due to gcc's bug */
void cpuid(int op, int *eax, int *ebx, int *ecx, int *edx);
#define WHEREAMI
static inline int WhereAmI(void){
int eax, ebx, ecx, edx;
int apicid;
cpuid(1, &eax, &ebx, &ecx, &edx);
apicid = BITMASK(ebx, 24, 0xff);
return apicid;
}
#ifdef ENABLE_SSE_EXCEPTION
#define IDEBUG_START \
{ \
unsigned int fp_sse_mode, new_fp_mode; \
__asm__ __volatile__ ("stmxcsr %0" : "=m" (fp_sse_mode) : ); \
new_fp_mode = fp_sse_mode & ~0xd00; \
__asm__ __volatile__ ("ldmxcsr %0" : : "m" (new_fp_mode) );
#define IDEBUG_END \
__asm__ __volatile__ ("ldmxcsr %0" : : "m" (fp_sse_mode) ); \
}
#endif
#ifdef XDOUBLE
#define GET_IMAGE(res) __asm__ __volatile__("fstpt %0" : "=m"(res) : : "memory")
#elif defined(DOUBLE)
#define GET_IMAGE(res) __asm__ __volatile__("fstpl %0" : "=m"(res) : : "memory")
#else
#define GET_IMAGE(res) __asm__ __volatile__("fstps %0" : "=m"(res) : : "memory");
#endif
#define GET_IMAGE_CANCEL __asm__ __volatile__ ("ffree %st")
#ifdef SMP
extern unsigned int blas_quick_divide_table[];
static __inline int blas_quickdivide(unsigned int x, unsigned int y){
unsigned int result;
if (y <= 1) return x;
y = blas_quick_divide_table[y];
__asm__ __volatile__ ("mull %0" :"=d" (result) :"a"(x), "0" (y));
return result;
}
#endif
#endif
#ifndef PAGESIZE
#define PAGESIZE ( 4 << 10)
#endif
#define HUGE_PAGESIZE ( 4 << 20)
#define BUFFER_SIZE (16 << 20)
#define SEEK_ADDRESS
#if defined(DOUBLE) || defined(XDOUBLE)
#define MMXLOAD movq
#define MMXSTORE movq
#else
#define MMXLOAD movd
#define MMXSTORE movd
#endif
#if defined(HAVE_3DNOW)
#define EMMS femms
#elif defined(HAVE_MMX)
#define EMMS emms
#endif
#ifndef EMMS
#define EMMS
#endif
#if defined(CORE2) || defined(PENTIUM4)
#define movapd movaps
#endif
#define BRANCH .byte 0x3e
#define NOBRANCH .byte 0x2e
#define PADDING .byte 0x66;
#define HALT hlt
#ifndef COMPLEX
#ifdef XDOUBLE
#define LOCAL_BUFFER_SIZE QLOCAL_BUFFER_SIZE
#elif defined DOUBLE
#define LOCAL_BUFFER_SIZE DLOCAL_BUFFER_SIZE
#else
#define LOCAL_BUFFER_SIZE SLOCAL_BUFFER_SIZE
#endif
#else
#ifdef XDOUBLE
#define LOCAL_BUFFER_SIZE XLOCAL_BUFFER_SIZE
#elif defined DOUBLE
#define LOCAL_BUFFER_SIZE ZLOCAL_BUFFER_SIZE
#else
#define LOCAL_BUFFER_SIZE CLOCAL_BUFFER_SIZE
#endif
#endif
#if defined(OS_WINDOWS)
#if LOCAL_BUFFER_SIZE > 16384
#define STACK_TOUCHING \
movl $0, 4096 * 4(%esp);\
movl $0, 4096 * 3(%esp);\
movl $0, 4096 * 2(%esp);\
movl $0, 4096 * 1(%esp);
#elif LOCAL_BUFFER_SIZE > 12288
#define STACK_TOUCHING \
movl $0, 4096 * 3(%esp);\
movl $0, 4096 * 2(%esp);\
movl $0, 4096 * 1(%esp);
#elif LOCAL_BUFFER_SIZE > 8192
#define STACK_TOUCHING \
movl $0, 4096 * 2(%esp);\
movl $0, 4096 * 1(%esp);
#elif LOCAL_BUFFER_SIZE > 4096
#define STACK_TOUCHING \
movl $0, 4096 * 1(%esp);
#else
#define STACK_TOUCHING
#endif
#else
#define STACK_TOUCHING
#endif
#ifndef F_INTERFACE
#define REALNAME ASMNAME
#else
#define REALNAME ASMFNAME
#endif
#if defined(F_INTERFACE_PATHSCALE) || defined(F_INTERFACE_OPEN64)
#define RETURN_BY_STRUCT
#elif defined(F_INTERFACE_GFORT) || defined(F_INTERFACE_G95)
#define RETURN_BY_COMPLEX
#else
#define RETURN_BY_STACK
#endif
#ifdef OS_DARWIN
#define PROLOGUE .text;.align 5; .globl REALNAME; REALNAME:
#define EPILOGUE .subsections_via_symbols
#define PROFCODE
#endif
#if defined(OS_WINNT) || defined(OS_CYGWIN_NT) || defined(OS_INTERIX)
#define SAVEREGISTERS \
subl $32, %esp;\
movups %xmm6, 0(%esp);\
movups %xmm7, 16(%esp)
#define RESTOREREGISTERS \
movups 0(%esp), %xmm6;\
movups 16(%esp), %xmm7;\
addl $32, %esp
#else
#define SAVEREGISTERS
#define RESTOREREGISTERS
#endif
#if defined(OS_WINNT) || defined(OS_CYGWIN_NT) || defined(OS_INTERIX)
#define PROLOGUE \
.text; \
.align 16; \
.globl REALNAME ;\
.def REALNAME;.scl 2;.type 32;.endef; \
REALNAME:
#define PROFCODE
#define EPILOGUE .end REALNAME
#endif
#if defined(OS_LINUX) || defined(OS_FREEBSD) || defined(OS_NETBSD) || defined(__ELF__)
#define PROLOGUE \
.text; \
.align 16; \
.globl REALNAME ;\
.type REALNAME, @function; \
REALNAME:
#ifdef PROFILE
#define PROFCODE call mcount
#else
#define PROFCODE
#endif
#define EPILOGUE .size REALNAME, .-REALNAME
#endif
#ifdef XDOUBLE
#define FLD fldt
#define FST fstpt
#define FSTU fstt
#define FMUL fmult
#define FADD faddt
#define FSUB fsubt
#define FSUBR fsubrt
#elif defined(DOUBLE)
#define FLD fldl
#define FST fstpl
#define FSTU fstl
#define FMUL fmull
#define FADD faddl
#define FSUB fsubl
#define FSUBR fsubrl
#else
#define FLD flds
#define FST fstps
#define FSTU fsts
#define FMUL fmuls
#define FADD fadds
#define FSUB fsubs
#define FSUBR fsubrs
#endif
#endif
#ifdef C_SUN
#define ffreep fstp
#endif
#ifdef __APPLE__
#define ALIGN_2 .align 2
#define ALIGN_3 .align 3
#define ALIGN_4 .align 4
#define ffreep fstp
#endif
#ifndef ALIGN_2
#define ALIGN_2 .align 4
#endif
#ifndef ALIGN_3
#define ALIGN_3 .align 8
#endif
#ifndef ALIGN_4
#define ALIGN_4 .align 16
#endif
#ifndef ALIGN_5
#define ALIGN_5 .align 32
#endif
#ifndef ALIGN_6
#define ALIGN_6 .align 64
// ffreep %st(0).
// Because Clang didn't support ffreep, we directly use the opcode.
// Please check out http://www.sandpile.org/x86/opc_fpu.htm
#ifndef ffreep
#define ffreep .byte 0xdf, 0xc0 #
#endif
#endif
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