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WANG Xuerui 47b22b6548 cmd/link, cmd/internal/obj/loong64: support the PCALIGN directive
Allow writing `PCALIGN $imm` where imm is a power-of-2 between 8 and
2048 (inclusive), for ensuring that the following instruction is
placed at an imm-byte boundary relative to the beginning of the
function. If the PC is not sufficiently aligned, NOOPs will be
inserted to make it so, otherwise the directive will do nothing.

This could be useful for both asm performance hand-tuning, and future
scenarios where a certain bigger alignment might be required.

Change-Id: Iad6244669a3d5adea88eceb0dc7be1af4f0d4fc9
Reviewed-on: https://go-review.googlesource.com/c/go/+/479815
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Run-TryBot: WANG Xuerui <git@xen0n.name>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
2023-04-07 20:20:25 +00:00
.github doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
api net/http: expose "http: server gave HTTP response to HTTPS client" error 2023-04-07 19:44:49 +00:00
doc html/template,mime/multipart: document new GODEBUG settings 2023-04-05 15:42:48 +00:00
lib/time time/tzdata: generate zip constant during cmd/dist 2023-01-17 22:30:53 +00:00
misc misc/wasm: add wasip1/wasm exec script 2023-04-06 20:59:01 +00:00
src cmd/link, cmd/internal/obj/loong64: support the PCALIGN directive 2023-04-07 20:20:25 +00:00
test cmd/compile: allow more inlining of functions that construct closures 2023-04-07 15:12:08 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore time/tzdata: generate zip constant during cmd/dist 2023-01-17 22:30:53 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
CONTRIBUTING.md doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
go.env cmd/go: introduce GOROOT/go.env and move proxy/sumdb config there 2023-01-17 23:10:39 +00:00
LICENSE doc: revert copyright date to 2009 2016-06-01 22:40:04 +00:00
PATENTS LICENSE: separate, change PATENTS text 2010-12-06 16:31:59 -05:00
README.md README: update from CC-BY-3.0 to CC-BY-4.0 2022-11-02 20:14:56 +00:00
SECURITY.md SECURITY.md: replace golang.org with go.dev 2022-04-26 19:59:47 +00:00

The Go Programming Language

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