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c++ Programming Glossary: edi

Compilation 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

them. The problem can be diagnosed by examining the intermediate tree dumps obtainable by passing fdump tree all argument.. What is apparent but the reason for that is not immediately apparent to me is that the OpenMP code trasnformer really.. movl 1 eax movaps xmm0 80 rbp movaps 80 rbp xmm1 movl eax edi callq ___builtin_ia32_shufpd movapd xmm0 32 rbp This basically..

Where are C/C++ main function's parameters?

http://stackoverflow.com/questions/4196201/where-are-c-c-main-functions-parameters

parameters are passed in registers so argc will be in edi and argv will be in rsi . Code in the main function generated..

How can adding code to a loop make it faster?

http://stackoverflow.com/questions/688325/how-can-adding-code-to-a-loop-make-it-faster

184 185 pSource add esi 4 186 pDestination inc ecx dec edi jne SHORT L4455 L4472 199 200 iScaled ftol_ambient pSource PRECISION3.. edx edx jg SHORT L4475 202 pDestination 0 mov BYTE PTR edi 0 203 else if iScaled PRECISION3 jmp SHORT L4478 L4475 cmp edx.. 00001000H jl SHORT L4477 204 pDestination 255 mov BYTE PTR edi 255 000000ffH 205 else jmp SHORT L4478 L4477 206 207 iSRGB FloatToSRGBTable3..

Hoisting the dynamic type out of a loop (a.k.a. doing Java the C++ way)

http://stackoverflow.com/questions/7451442/hoisting-the-dynamic-type-out-of-a-loop-a-k-a-doing-java-the-c-way

78 pushq rbp 79 LCFI10 80 movq rsp rbp 81 LCFI11 82 decl edi 83 je L18 84 L17 85 leave 86 ret 87 .align 4 88 L18 89 cmpl.. 104 movq rsp rbp 105 LCFI13 106 movl 65535 esi 107 movl 1 edi 108 leave 109 jmp __Z41__static_initialization_and_destruction_0ii..

Why does integer overflow on x86 with GCC cause an infinite loop?

http://stackoverflow.com/questions/7682477/why-does-integer-overflow-on-x86-with-gcc-cause-an-infinite-loop

I recognized it properly .L5 addl ebp ebp movl _ZSt4cout edi movl ebp esi .cfi_offset 3 40 call _ZNSolsEi movq rax rbx movq..

while (1) Vs. for (;;) Is there a speed difference?

http://stackoverflow.com/questions/885908/while-1-vs-for-is-there-a-speed-difference

.LFB2 pushq rbp .LCFI0 movq rsp rbp .LCFI1 .L2 movl .LC0 edi call puts jmp .L2 .LFE2 .size t_while . t_while .globl t_for.. .LFB3 pushq rbp .LCFI2 movq rsp rbp .LCFI3 .L5 movl .LC0 edi call puts jmp .L5 .LFE3 .size t_for . t_for .section .eh_frame..

Is inline assembly language slower than native C++ code?

http://stackoverflow.com/questions/9601427/is-inline-assembly-language-slower-than-native-c-code

y j void calcuAsm int x int y int lengthOfArray __asm mov edi TIMES start mov esi 0 mov ecx lengthOfArray label mov edx x.. eax ebx pop edx mov edx esi 4 eax inc esi loop label dec edi cmp edi 0 jnz start Here's main int main bool errorOccured.. pop edx mov edx esi 4 eax inc esi loop label dec edi cmp edi 0 jnz start Here's main int main bool errorOccured false setbuf..