¡@
c++ Programming Glossary: callqCompilation fails with OpenMP on Mac OS X Lion (memcpy and SSE intrinsics) http://stackoverflow.com/questions/12932107/compilation-fails-with-openmp-on-mac-os-x-lion-memcpy-and-sse-intrinsics 1 eax movaps xmm0 80 rbp movaps 80 rbp xmm1 movl eax edi callq ___builtin_ia32_shufpd movapd xmm0 32 rbp This basically is..
Why does gcc generate 15-20% faster code if I optimize for SIZE instead of speed? http://stackoverflow.com/questions/19470873/why-does-gcc-generate-15-20-faster-code-if-i-optimize-for-size-instead-of-speed lea rdi rsi 1 eax retq ... int z add x y 1.93 callq add int const int const clone .isra.0 sum z 79.79.. int y yval sum int z add x y 35.34 callq add int const int const clone .isra.0 sum z 39.48.. return x y 12.71 pop rbp retq ... int z add x y callq add int const int const clone .isra.0 sum z 29.83..
G++ 4.6 -std=gnu++0x: Static Local Variable Constructor Call Timing and Thread Safety http://stackoverflow.com/questions/9533649/g-4-6-std-gnu0x-static-local-variable-constructor-call-timing-and-thread-s bf 98 20 40 00 mov 0x402098 edi 40097c e8 1f fe ff ff callq 4007a0 __cxa_guard_acquire@plt 400981 85 c0 test eax eax 400983.. bf a0 20 40 00 mov 0x4020a0 edi 400995 e8 a6 00 00 00 callq 400a40 _ZN1XC1Ev 40099a bf 98 20 40 00 mov 0x402098 edi 40099f.. bf 98 20 40 00 mov 0x402098 edi 40099f e8 0c fe ff ff callq 4007b0 __cxa_guard_release@plt 4009a4 bf a0 20 40 00 mov 0x4020a0..
|