libavcodec/x86/mpegvideoenc_template.c: In function 'dct_quantize_ssse3': libavcodec/x86/mpegvideoenc_template.c:151:9: error: 'asm' operand has impossible constraints asm volatile( ^ libavcodec/x86/mpegvideoenc_template.c:186:9: error: 'asm' operand has impossible constraints asm volatile(...
-ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -Wno-psabi -O0 -Wp,-U_FORTIFY_SOURCE -fstrict-aliasing -fstrict-overflow -fexceptions -fno-enforce-eh-specs -fno-omit-frame-pointer -fno-strict-aliasing -fno-lto -DL...
Xilinx建议将这两类约束分开写在不同的约束文件中。此外，考虑到某些设计中可能会用到手工布局，从而会...
就拿 Linux 内核来讲，虽然绝大部分代码是用 C 语言编写的，但仍然不可避免地在某些关键地方使用了汇编代码，其中主要是在 Linux 的启动部分。由于这部分代码与硬件的关系非常密切，即使是 C 语言也会有些力不从心，而汇编语言则能够很好扬长避短，最大限度地发挥硬件的性能。
./arch/x86/include/asm/cpufeature.h: In function ‘_static_cpu_has’: ./include/linux/compiler-gcc.h:270:38: warning: asm operand 0 probably doesn’t match constraints #define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0) ...
在共享库中，您的函数也必须是__attribute__((visibility("hidden")))，这样它才能真正内联，否则符号...
Re: libreoffice on armhf: ‘asm’ operand has impossible constraints or there are not enough registers > FTR, LO isn't the first package where I have seen such an issue today: >https://bugs.debian.org/1077326Hello, the libgcrypt20 issue also is strictly triggered by the compiler change...