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Brendan Punsky 378938775d rexcode/arm32: drop 15 duplicate forms the mnemonic merges introduced
Collapsing the encoding-shaped mnemonics into their assembler names merged
several form lists that already overlapped, leaving byte-identical Encoding
rows inside one mnemonic. The matcher takes the first form that matches, so
every duplicate was dead weight -- unreachable, and inflating both tables.

VMUL, VMLA and VMLS each gained two from the *_LANE merge; VSHR, VSRA and
VRSHR two each, VQSHRN, VQRSHRN and VSHLL one each.

The branch base had none, so these are mine: the collision check I ran before
each merge compared operand signatures, which is the right test for "can the
matcher tell these apart", but says nothing about two forms being wholly
identical. Comparing the full Encoding would have caught them.

1680 -> 1665 forms. Removing an unreachable exact duplicate cannot change
behaviour, and does not: the load/store, LDM/STM and NEON data-type encode
checks are byte-for-byte what they were, and the decode sweep still round-trips
every form.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-27 08:21:14 -04:00
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Odin logo
The Data-Oriented Language for Sane Software Development.


The Odin Programming Language

Odin is a general-purpose programming language with distinct typing, built for high performance, modern systems, and built-in data-oriented data types. The Odin Programming Language, the C alternative for the joy of programming.

Website: https://odin-lang.org/

package main

import "core:fmt"

main :: proc() {
	program := "+ + * 😃 - /"
	accumulator := 0

	for token in program {
		switch token {
		case '+': accumulator += 1
		case '-': accumulator -= 1
		case '*': accumulator *= 2
		case '/': accumulator /= 2
		case '😃': accumulator *= accumulator
		case: // Ignore everything else
		}
	}

	fmt.printf("The program \"%s\" calculates the value %d\n",
	           program, accumulator)
}

Documentation

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Overview of Odin

An overview of the Odin programming language.

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The official blog of the Odin programming language, featuring announcements, news, and in-depth articles by the Odin team and guests.

Warnings

  • The Odin compiler is still in development.
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