x86-64

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XNOR two 64 bits registers in 8 bit blocks
user_153245250
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5
1
148
x86-64 simd bit-manipulation assembly
Xcode in release mode fails to compile <immintrin.h> - complains about __builtin_ia32_emms()
user_153203310
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2
1
1454
intrinsics x86-64 simd xcode c++
In x86_64, does a 32-bit cmov clear the top bits if the condition is false?
user_30967740
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3
1
300
x86-64 assembly
Why does Clang generate different code for reference and non-null pointer arguments?
user_56707730
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10
2
323
language-lawyer x86-64 clang pass-by-reference c++
Why am I seeing more RFO (Read For Ownership) requests using REP MOVSB than with vmovdqa
user_113221310
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6
0
450
memcpy x86-64 micro-optimization intel cpu-architecture
Why can't GCC generate an optimal operator== for a struct of two int32s?
user_8746600
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87
3
4832
compiler-optimization x86-64 micro-optimization gcc c++
How do I compile the msm android kernel using the AOSP toolchain?
user_64131060
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3
0
1335
android-kernel android-source x86-64 linux-kernel android
Storing register values from a hook in assembly/c++ and save to array
user_147117890
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2
0
173
x86-64 inline-assembly hook visual-c++ c++
Why does does a NOP (as a 5th uop) speed up a 4 uop loop on Ice Lake?
user_113221310
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10
0
281
x86-64 micro-optimization assembly cpu-architecture
Does glibc (GNU C Library) provide a way to obtain the size of an allocated memory block?
user_17831630
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6
1
375
x86-64 malloc glibc linux c
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