/*********************************************************************/ /* 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 #ifdef C_MSVC #include #endif #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;}; #if defined(_MSC_VER) && !defined(__clang__) // use intrinsic instead of inline assembly ret = _InterlockedExchange((volatile LONG *)address, 1); // inline assembly /*__asm { mov eax, address mov ebx, 1 xchg [eax], ebx mov ret, ebx }*/ #else __asm__ __volatile__( "xchgl %0, %1\n" : "=r"(ret), "=m"(*address) : "0"(1), "m"(*address) : "memory"); #endif } while (ret); } #define BLAS_LOCK_DEFINED static __inline unsigned long long rpcc(void){ #if defined(_MSC_VER) && !defined(__clang__) return __rdtsc(); // use MSVC intrinsic #else unsigned int a, d; __asm__ __volatile__ ("rdtsc" : "=a" (a), "=d" (d)); return ((unsigned long long)a + ((unsigned long long)d << 32)); #endif }; #define RPCC_DEFINED static __inline unsigned long getstackaddr(void){ #if defined(_MSC_VER) && !defined(__clang__) return (unsigned long)_ReturnAddress(); // use MSVC intrinsic #else unsigned long addr; __asm__ __volatile__ ("mov %%esp, %0" : "=r"(addr) : : "memory"); return addr; #endif }; static __inline long double sqrt_long(long double val) { #if defined(_MSC_VER) && !defined(__clang__) return sqrt(val); // not sure if this will use fsqrt #else long double result; __asm__ __volatile__ ("fldt %1\n" "fsqrt\n" "fstpt %0\n" : "=m" (result) : "m"(val)); return result; #endif } #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; #if defined(_MSC_VER) && !defined(__clang__) result = x/y; return result; #else y = blas_quick_divide_table[y]; __asm__ __volatile__ ("mull %0" :"=d" (result) :"a"(x), "0" (y)); return result; #endif } #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(PILEDRIVER) || defined(BULLDOZER) || defined(STEAMROLLER) || defined(EXCAVATOR) //Enable some optimazation for barcelona. #define BARCELONA_OPTIMIZATION #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 #ifdef __clang__ #define EPILOGUE .end #else #define EPILOGUE .end REALNAME #endif #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; \ .section .note.GNU-stack,"",@progbits #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 ALIGN_5 .align 5 #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 #endif // 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