Quick compiler: improve ClobberSReg comments

Issue 6501474

Improve the comments describing the usage of ClobberSReg().  Also, desk-checked all current
uses of ClobberSReg() to make sure they are appropriate.

No code changes - only comments.

Change-Id: Ife8419a7e2c2e51b258df7709a7d903d1fd93a44
3 files changed
tree: d440d4e3e59ca177cd9ff406a77ce095670c58ef
  1. .gitignore
  2. Android.mk
  3. build/
  4. jdwpspy/
  5. src/
  6. test/
  7. tools/