(uintptr_t)begin & ~15UL; for (size_t i = 0; i < size; i += 16) { asm("icbi 0,%0" : : "r"(p)); p += 16; } asm("isync"); } DataHeapType* getDataHeap() { static char buf[sizeof(DataHeapType)]; 32) { asm("icbi 0,%0" : : "r"(p)); p += 32; } for (size_t i = 16; i < size; i += 32) { asm("icbi 0,%0" : : "r"(p)); p += 32; } asm("isync"); } DataHeapType* 32) { asm("icbi 0,%0" : : "r"(p)); p += 32; } for (size_t i = 16; i < size; i += 32) { asm("icbi 0,%0" : : "r"(p)); p += 32; } asm("isync"); } DataHeapType*

因为它使用 AT&T 的语法, 需要一个长的介绍.Nasm 调用时应该带上 ELF 格式选 项("nasm -f elf hello.asm"); 产生的目标文件用 GCC 来链接("gcc hello.o"), 产生最终的 ELF 二进制代码. 下面的这个脚本可用来编译 ASM 的模块; 我尽量把它写得简单, 所以所有它 做的就是接受传给它的第一个文件名, 用 Nasm 编译, 用 GCC 来链接。 rm $tempfile -f #EOF 6.2 基本示例 了解系统细节之前从一个例子开始. 这里是一个最基本的"hello-word" 形式的程序: ; asmhello.asm global main extern printf section .data msg db "Helloooooo, nurse!",0Dh,0Ah,0 section .text Linux 下, 你是在 "API" 或中断服务的场所里使用系统带来的标准 共享库.所有的外部引用由 GCC 管理, 它给 asm 程序员节省了大部分的工作. 一旦你习惯 了基本的技巧, Linux 下的汇编编程实际上要比 DOS 简单的多。 程序说明 hello.asm是调用了Linux系统的puts函数，原理与调用DOS下C语言的函数相同，先用extern 声明 puts 是外部函数，再把参数（即

^ /home/ci/actions-runner/_work/zig-bootstrap/out/host/lib/zig/std/start.zig:253:5: 0x103 asm volatile (switch (native_arch) { ^ All 1 tests passed. 1 errors were logged. 1 tests leaked memory ^ /home/ci/actions-runner/_work/zig-bootstrap/out/host/lib/zig/std/start.zig:253:5: 0x103 asm volatile (switch (native_arch) { ^ ???:?:?: 0x0 in ??? (???) error: the following test command ^ /home/ci/actions-runner/_work/zig-bootstrap/out/host/lib/zig/std/start.zig:253:5: 0x103 asm volatile (switch (native_arch) { ^ ???:?:?: 0x0 in ??? (???) error: the following test command

^ /home/ci/actions-runner/_work/zig-bootstrap/out/host/lib/zig/std/start.zig:243:5: 0x224 asm volatile (switch (native_arch) { ^ ???:?:?: 0x0 in ??? (???) error: the following test command ^ /home/ci/actions-runner/_work/zig-bootstrap/out/host/lib/zig/std/start.zig:243:5: 0x224 asm volatile (switch (native_arch) { ^ ???:?:?: 0x0 in ??? (???) error: the following test command ^ /home/ci/actions-runner/_work/zig-bootstrap/out/host/lib/zig/std/start.zig:243:5: 0x224 asm volatile (switch (native_arch) { ^ ???:?:?: 0x0 in ??? (???) error: the following test command

Performance code is about Hardware Matrix Multiply #define macro_n4 {\ b_pref = b_ptr + 4 * K;\ __asm__ __volatile__(\ "movq %7,%%r15; movq %1,%%r14; movq %6,%%r11; salq £4,%%r11;"\ "cmpq £24,%%r15; jb M * K; b_ptr += 4 * K; c_ptr += 4 * ldc - M;\ } #define macro_n2 {\ b_pref = b_ptr + 2 * K;\ __asm__ __volatile__(\ "movq %7,%%r15; movq %1,%%r14; movq %6,%%r11; salq £4,%%r11;"\ "cmpq £24,%%r15; jb Performance code is about Hardware Matrix Multiply #define macro_n4 {\ b_pref = b_ptr + 4 * K;\ __asm__ __volatile__(\ "movq %7,%%r15; movq %1,%%r14; movq %6,%%r11; salq £4,%%r11;"\ "cmpq £24,%%r15; jb

testing various sixit::dmath IEEE floats: shared-lib, static-lib, soft-float, and inline-asm Victor Istomin 🇺🇦 vi@6it.dev Templatizing math and geometry libs and tests Serhii Iliukhin fallback Mykhailo Borovyk 🇺🇦 mbo@6it.dev Implementing support for RISC-V, including inline-asm Vladyslav Merais 🇺🇦 vmer@6it.dev Overall idea, and Insisting that it is doable, in spite sixit::dmath::ieee_float_static_lib (SHOULD work if no LTO) 3 2020 sixit::dmath::ieee_float_inline_asm (SHOULD work, but for MSVC we have to use intrinsics ➡ more shaky) 4 sixit::dmath::ieee_float_if_strict_fp

handling with multiple proxied target classes implementing the same interface (SPR-12709) upgraded to ASM 5.0.4 (SPR-13039) improved documentation of Lifecycle callbacks (SPR-12855) improved documentation ------------------------------------- added basic Java 8 bytecode compatibility for Spring 3.2.x through ASM 5.0.2 (SPR- 11656, SPR-11719) fixed potential excessive memory and CPU usage (SPR-11545, SPR-11520 TestExecutionListeners consistently (SPR-11347) * fixed @Bean meta-annotation detection when using ASM (SPR-10488) * provide access to SimpleTriggerFactoryBean property startTime (SPR-10940) * added patch()

handling with multiple proxied target classes implementing the same interface (SPR-12709) upgraded to ASM 5.0.4 (SPR-13039) improved documentation of Lifecycle callbacks (SPR-12855) improved documentation ------------------------------------- added basic Java 8 bytecode compatibility for Spring 3.2.x through ASM 5.0.2 (SPR- 11656, SPR-11719) fixed potential excessive memory and CPU usage (SPR-11545, SPR-11520 TestExecutionListeners consistently (SPR-11347) * fixed @Bean meta-annotation detection when using ASM (SPR-10488) * provide access to SimpleTriggerFactoryBean property startTime (SPR-10940) * added patch()

handling with multiple proxied target classes implementing the same interface (SPR-12709) upgraded to ASM 5.0.4 (SPR-13039) improved documentation of Lifecycle callbacks (SPR-12855) improved documentation ------------------------------------- added basic Java 8 bytecode compatibility for Spring 3.2.x through ASM 5.0.2 (SPR- 11656, SPR-11719) fixed potential excessive memory and CPU usage (SPR-11545, SPR-11520 TestExecutionListeners consistently (SPR-11347) * fixed @Bean meta-annotation detection when using ASM (SPR-10488) * provide access to SimpleTriggerFactoryBean property startTime (SPR-10940) * added patch()

handling with multiple proxied target classes implementing the same interface (SPR-12709) upgraded to ASM 5.0.4 (SPR-13039) improved documentation of Lifecycle callbacks (SPR-12855) improved documentation ------------------------------------- added basic Java 8 bytecode compatibility for Spring 3.2.x through ASM 5.0.2 (SPR- 11656, SPR-11719) fixed potential excessive memory and CPU usage (SPR-11545, SPR-11520 TestExecutionListeners consistently (SPR-11347) * fixed @Bean meta-annotation detection when using ASM (SPR-10488) * provide access to SimpleTriggerFactoryBean property startTime (SPR-10940) * added patch()