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Joel Sing bde0463da3 cmd/internal/obj/riscv: fix trampoline calls from large functions
On riscv64, the JAL instruction is only capable of reaching +/-1MB. In the case where
a single function and its trampolines exceeds this size, it is possible that the JAL
is unable to reach the trampoline, which is laid down after the function text. In the
case of large functions, switch back to using a AUIPC+JALR pairs rather than using
trampolines.

Fixes #48791

Change-Id: I119cf3bc20ce4933a9b7ab41a8e514437c6addb9
Reviewed-on: https://go-review.googlesource.com/c/go/+/356250
Trust: Joel Sing <joel@sing.id.au>
Reviewed-by: Cherry Mui <cherryyz@google.com>
2021-10-19 11:52:34 +00:00
.github .github: update IRC server 2021-09-30 19:56:27 +00:00
api cmd/go: stamp VCS revision and uncommitted status into binaries 2021-10-14 18:44:37 +00:00
doc doc/go1.18: add release notes for build and VCS info 2021-10-15 20:29:48 +00:00
lib/time lib/time: fix RFC 6557 url 2021-08-15 02:18:46 +00:00
misc misc/wasm: expect environment to provide polyfills 2021-10-16 14:50:21 +00:00
src cmd/internal/obj/riscv: fix trampoline calls from large functions 2021-10-19 11:52:34 +00:00
test Revert "cmd/compile: use MOVBE instruction for GOAMD64>=v3" 2021-10-19 09:49:38 +00:00
.gitattributes
.gitignore internal/buildcfg: move build configuration out of cmd/internal/objabi 2021-04-16 19:20:53 +00:00
AUTHORS A+C: update name to real name and add to AUTHORS 2021-09-16 23:57:28 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
CONTRIBUTING.md
CONTRIBUTORS A+C: update name to real name and add to AUTHORS 2021-09-16 23:57:28 +00:00
LICENSE
PATENTS
README.md README.md: update contribute URL 2021-09-30 13:33:21 +00:00
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