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6 commits

Author SHA1 Message Date
Andy Wingo
62183fb098 Add jmpi_with_link instruction
The existing calli / callr interface is for ABI calls.  Sometimes though
you want to call some of your own code, just to get the current return
address.  ARM's branch-and-link instructions are ideal for this but they
don't exist on x86; there we emulate them by adding corresponding
pop_link_register / push_link_register instructions that are no-ops on
ARM.

* lightening.h (FOR_EACH_INSTRUCTION): Add jit_jmpi_with_link,
  pop_link_register, push_link_register.
* lightening/arm-cpu.c:
* lightening/x86-cpu.c:
* lightening/aarch64-cpu.c (jmpi_with_link, push_link_register)
  (pop_link_register): Add implementations.
* lightening/arm.h:
* lightening/aarch64.h:
* lightening/x86.h (JIT_LR): New definition.
* tests/link-register.c: New test.
2019-06-20 10:13:37 +02:00
Andy Wingo
0b723c0401 ARMv7 backend passing all tests! 2019-05-20 15:20:33 +02:00
Andy Wingo
7dd18bddd7 ARMv7 backend compiling without warnings 2019-05-20 11:02:21 +02:00
Andy Wingo
1ea34693cb Port of arm-cpu.c to current lightening 2019-05-19 22:21:50 +02:00
Andy Wingo
b71ddba1f7 Beginnings of ARMv7 backend 2019-05-17 10:59:59 +02:00
Andy Wingo
f348b8ed6d Change headers and files to be named "lightening" instead of "jit"
This improves integration with other projects.  Like for example Guile
already has files named jit.c and jit.h; it's easier to manage if
lightening uses its own file names.
2019-04-03 13:57:48 +02:00
Renamed from jit/arm.h (Browse further)