old_timer

old_timer has asked 8 questions and find answers to 448 problems.

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old_timer questions

compute results and mux or not
llvm optimizes with library functions
Preserving sreg in AVR interrupts
ARM prefetch workaround
More detail about new AVR instructions LAC, LAS, LAT and XCH

old_timer answers

ARM Cortex-M7 assembly timing on simple delay loop - how to explain results?
Something weird with arm cortex-m4 cycle count
What is CPU kernel/privileged mode, and how is it guarded by the OS?
How can I write raw machine code for x86 without using assembly?
Does the compiler actually produce Machine Code?
How u-boot start instruction is found by ROM Code
How does one opcode byte decode to different instructions depending on the "register/opcode" field? What is that? [duplicate]
What memory is impacted using the location counter in linker script?
CISC machines - don't they just convert complex instructions to RISC?
Mixing ARM and THUMB instructions