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New posts in x86-64
Why doesn't the same generated assembler code lead to the same output?
Jun 06, 2022
intel
c
floating-point
x86-64
floating-accuracy
icc
Self-modifying code sees a 0xCC byte but the debugger doesn't show it?
Mar 06, 2016
assembly
gdb
x86-64
breakpoints
self-modifying
intel
How to execute a call instruction with a 64-bit absolute address?
Feb 07, 2022
assembly
x86-64
nasm
jit
function-call
Was there a P4 model with double-pumped 64-bit operations?
Apr 25, 2022
x86
x86-64
intel
cpu-architecture
Can rip be used with another register with RIP-relative addressing?
Nov 09, 2022
assembly
x86-64
addressing-mode
UEFI boot services CreateEvent() returning status EFI_INVALID_PARAMETER
Sep 15, 2022
assembly
x86
x86-64
nasm
uefi
How to prevent gcc optimization breaking rep movsb code? [duplicate]
Feb 20, 2022
c
gcc
optimization
x86-64
inline-assembly
How to compile assembly whose entry point is not main with gcc?
May 30, 2022
gcc
assembly
x86-64
Storing individual doubles from a packed double vector using Intel AVX
Sep 07, 2022
x86
x86-64
sse
avx
Choose the 32 or 64 bit version of an app from command line
Jul 08, 2022
macos
architecture
command-line
x86-64
i386
Using RIP-relative addressing in OSX x64 assembly
Apr 14, 2022
macos
assembly
64-bit
nasm
x86-64
Why does CR3 register contents vary, when read each time from a kernel module?
Sep 25, 2022
linux
linux-kernel
x86
linux-device-driver
x86-64
Why does the Solaris assembler generate different machine code than the GNU assembler here?
May 28, 2020
linux
assembly
solaris
x86-64
Counting number of instructions executed by a binary using pin, perf and valgrind
Apr 16, 2020
c
assembly
valgrind
x86-64
perf
With Hyper Threading, threads of one physical core are exchanging via what level of cache L1/L2/L3?
Nov 07, 2022
multithreading
x86
x86-64
smt
hyperthreading
X86_64 - assembly - Why displacement not 64 bits?
Aug 23, 2019
assembly
x86-64
memory-address
How can gcc/clang assume a string constant's address is 32-bit?
Jul 07, 2022
c
linux
linker
x86-64
elf
Why does the compiler allocate more than needed in the stack?
Feb 05, 2019
c
gcc
stack
x86-64
allocation
g++ Optimization Flags: -fuse-linker-plugin vs -fwhole-program
Oct 19, 2022
intel
c++
linux
g++
x86-64
ld
Do all 64 bit intel architectures support SSSE3/SSE4.1/SSE4.2 instructions?
Sep 09, 2022
intel
x86-64
cpu-architecture
simd
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