This is an out-of-tree port of the Go gc toolchain to 64-bit SPARC
(SPARC V9), developed on an UltraSPARC T4-1. The sparc64 branch adds
GOARCH=sparc64 to the compiler, assembler, linker and runtime; master
tracks upstream unchanged.
Download a prebuilt toolchain from Releases · Port documentation: README.sparc64.md
Upstream's README follows.
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