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go / go / 5d9c78201f0f226b0b8c7ece63f6731e168efb09
commit5d9c78201f0f226b0b8c7ece63f6731e168efb09[log] [tgz]
authorMichael Munday <mike.munday@ibm.com>Mon Apr 30 16:55:13 2018 +0100
committerMichael Munday <mike.munday@ibm.com>Tue May 01 15:48:17 2018 +0000
treeed2ab1a9ada76330532828828b055f30a4d96985
parentd29ec40e19fa0548292bb0bf2a4fb88920838877 [diff]
cmd/compile: allow R11 to be allocated on s390x

R11 is only used as a temporary by a very small set of instructions
(DIV, MOD, MULH and extended MVC/XC instructions). By marking these
instructions as clobbering R11 we can allocate R11 in the general
case.

Change-Id: I0d4ffe80e57c164d42a5ea5ef6308756a5b0f742
Reviewed-on: https://go-review.googlesource.com/110255
Run-TryBot: Michael Munday <mike.munday@ibm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
4 files changed
tree: ed2ab1a9ada76330532828828b055f30a4d96985
  1. .github/
  2. api/
  3. doc/
  4. lib/
  5. misc/
  6. src/
  7. test/
  8. .gitattributes
  9. .gitignore
  10. AUTHORS
  11. CONTRIBUTING.md
  12. CONTRIBUTORS
  13. favicon.ico
  14. LICENSE
  15. PATENTS
  16. README.md
  17. robots.txt
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