cmd/compiler/internal/gc: remove flag argument from fconv (cleanup)

The fconv flag arguments were 0, FmtSharp, and FmtSharp|FmtSign.
The 0 value was used for binary representation only, which was
readily available via Mpflt.String. Otherwise, FmtSharp was always
passed. FmtSign was used to print the '+' sign in case of a positive
number and only needed for complex number formatting. Instead
implemented cconv and handled it there.

Change-Id: I1f77282f995be9cfda05efb71a0e027836a9da26
Reviewed-on: https://go-review.googlesource.com/136195
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
3 files changed
tree: fe7bfef2072581e9579aabefa4a1c9b87f727865
  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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