QBE compiler backend

1.3

• Date:2026/06/01
• Archive:qbe-1.3.tar.xz (275 KiB)
• SHA256:d587905d620dc5e1d2bfa7c2cc642b9b837aa89a3188c6e37b53d756cf66e320
• Git commit:c0818978acec60ebb6167fade60fb7012cbf20ca

QBE 1.3 comes with bug fixes, performance improvements, and new features such as

• Windows ABI support;
• improved PIC support through extern symbol constants.

Read the release notes for details.

1.2

• Date:2024/02/16
• Archive:qbe-1.2.tar.xz (241 KiB)
• SHA256:a6d50eb952525a234bf76ba151861f73b7a382ac952d985f2b9af1df5368225d
• Git commit:2d683e0c53907ebca9abde876dd87af70719e42d

QBE 1.2 comes with important correctness fixes as well as improvements to the documentation. Notable changes are:

• correctness fixes to the stack-slot coalescing pass;
• new experimental dbgfile and dbgloc directives.

1.1

• Date:2023/02/01
• Archive:qbe-1.1.tar.xz (240 KiB)
• SHA256:7d0a53dd40df48072aae317e11ddde15d1a980673160e514e235b9ecaa1db12c
• Git commit:f1b21d145ba03c6052b4b722dc457f8e944e6fca

QBE 1.1 comes with improvements of performance and expressiveness. Notable additions are:

• support for Apple ARM-based hardware (arm64_apple target);
• support for thread-local storage;
• a new blit instruction to copy small aggregates;
• a new hlt instruction to flag non-termination;
• a new stack-slot coalescing optimization.

1.0

• Date:2022/06/22
• Archive:qbe-1.0.tar.xz (238 KiB)
• SHA256:257ef3727c462795f8e599771f18272b772beb854aacab97e0fda70c13745e0c
• Git commit:cd778b44ba11925d65ee10ff29fe22d4a45809dd

8 years after the first commit in the git repo, at the ask of some package managers and users, I release QBE 1.0. All targets are at parity thanks to great work from contributors, and QBE is used somewhat seriously by a couple people.