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New posts in x86

Intel JCC Erratum - should JCC really be treated separately?

assembly x86 intel cpu-architecture micro-architecture

Fastest way to take the average of two signed integers in x86 assembly?

assembly optimization x86 average micro-optimization

Macros in x86 assembly coding

assembly macros x86

`movaps` vs. `movups` in GCC: how does it decide?

c++ gcc optimization x86 memory-alignment

Role of linker scripts when writing x86 assembly

assembly x86 linker bootloader linker-scripts

Cost of instruction jumps in assembly

performance assembly x86

No intrinsics for x86 BMI instructions BLSI & BLSR in Clang?

assembly x86 clang bit-manipulation bmi

Is the fall-through side of a conditional branch more efficient? Is it a good idea to make that the error-handling side?

assembly optimization x86 micro-optimization

PHP x86 Memory Limit

php memory x86 64-bit

How do assembly instruction differentiate between register, memory address, immediate value or offset parameter?

assembly parameters x86 decoding instruction-set

x86 instructions to set parity, overflow, & sign flags

assembly x86 masm32

How to add values?

assembly x86 masm irvine32

Comparing double with literal value in C gives different results on 32 bit machines

c gcc x86 floating-point 32bit-64bit

Why are Square Brackets used in LEA?

assembly syntax x86 memory-address addressing-mode

clflush not flushing the instruction cache

c++ assembly x86 cpu-cache

How to measure the ACTUAL number of clock cycles elapsed on modern x86?

performance x86 cpu rdtsc cpu-cycles

Why RBP instead of another register as a frame pointer?

pointers assembly x86 x86-64 stack-frame

Compiler flags of GCC/CLANG to generate "BEXTR" instruction (of IA32's BMI1)

gcc x86 clang compiler-optimization bmi

Why each logical CPU has it's own CR3 register in case of multithreading?

multithreading x86 cpu
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