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go / go / 8f955d3664813c831b35cb02c6e7b48dd0341ece
commit8f955d3664813c831b35cb02c6e7b48dd0341ece[log] [tgz]
authorKeith Randall <khr@golang.org>Thu Aug 11 09:49:48 2016 -0700
committerKeith Randall <khr@golang.org>Thu Aug 11 19:52:45 2016 +0000
tree840fcf19f4ddbf149d70b5644680c226d37b4e98
parented1ad8f56cc51cc55a8c12514e1c2b3098c1218b [diff]
[dev.ssa] cmd/compile: fix fp constant loads for 386+PIC

In position-independent 386 code, loading floating-point constants from
the constant pool requires two steps: materializing the address of
the constant pool entry (requires calling a thunk) and then loading
from that address.

Before this CL, the materializing happened implicitly in CX, which
clobbered that register.

Change-Id: Id094e0fb2d3be211089f299e8f7c89c315de0a87
Reviewed-on: https://go-review.googlesource.com/26811
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: David Crawshaw <crawshaw@golang.org>
Reviewed-by: David Chase <drchase@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
6 files changed
tree: 840fcf19f4ddbf149d70b5644680c226d37b4e98
  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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