... GCC¹

The GNU Compiler Collection

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... (GIMPLE)²

This is a pun on JIMPLE which is a simple representation for Java defined at the McGill University on which GIMPLE is based.

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... IR)³

The RTL used by the hardware community is different from the one we are talking about.

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... RTL.⁴

Again: The RTL used by the hardware community is different from the one we are talking about.

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... template⁵

Actually, the template is instantiated for the particular situation; for instance the match_operands are instantiated to the proper pseudo registers. Hence the IR does not have any match_operand; instead we see the pseudo register in its place.

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