lib/asm-docs/amd64.ts

// Copyright (c) 2021, Compiler Explorer Authors
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import { AssemblyInstructionInfo, BaseAssemblyDocumentationProvider } from './base';
import { getAsmOpcode } from './generated/asm-docs-amd64';

export class Amd64DocumentationProvider extends BaseAssemblyDocumentationProvider {
    private static readonly ATT_SUFFIX_REMOVER = /^([a-z]+)[blqw]$/i;
    public static get key() { return 'amd64'; }
    public override getInstructionInformation(instruction: string): AssemblyInstructionInfo | null {
        // Try both raw opcode and with AT&T suffix removed
        let info = getAsmOpcode(instruction);
        if (!info) {
            const alternativeInstruction = Amd64DocumentationProvider.ATT_SUFFIX_REMOVER.exec(instruction);
            if (alternativeInstruction) {
                info = getAsmOpcode(alternativeInstruction[1]);
            }
        }
        return info || null;
    }
}