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On Apple platforms x18 is not guaranteed to be preserved across context switches. So we now use IP1 as scratch register. En passant, one dubious use of IP0 in arm64/emit.c fixarg() was transitioned to IP1. I believe the previous code could clobber a user value if IP0 was live. |
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| amd64 | ||
| arm64 | ||
| doc | ||
| minic | ||
| rv64 | ||
| test | ||
| tools | ||
| .gitignore | ||
| abi.c | ||
| alias.c | ||
| all.h | ||
| cfg.c | ||
| copy.c | ||
| emit.c | ||
| fold.c | ||
| gcm.c | ||
| gvn.c | ||
| LICENSE | ||
| live.c | ||
| load.c | ||
| main.c | ||
| Makefile | ||
| mem.c | ||
| ops.h | ||
| parse.c | ||
| README | ||
| rega.c | ||
| simpl.c | ||
| spill.c | ||
| ssa.c | ||
| util.c | ||
QBE - Backend Compiler http://c9x.me/compile/ doc/ Documentation. minic/ An example C frontend for QBE. tools/ Miscellaneous tools (testing). test/ Tests. amd64/ arm64/ rv64/ Architecture-specific code. The LICENSE file applies to all files distributed. - Compilation and Installation Invoke make in this directory to create the executable file qbe. Install using 'make install', the standard DESTDIR and PREFIX environment variables are supported. Alternatively, you may simply copy the qbe binary.