http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47672
--- Comment #5 from Mikael Pettersson <mikpe at it dot uu.se> 2011-06-06 19:54:58 UTC --- (In reply to comment #4) > However, someone reported that all the functionnality of > math-68881.h was not reported to -ffast-math: some instructions are missing. ... > 2) Move the missing functionnality from math-68881.h to -ffast-math, then > remove math-68881.h from GCC. I only see this PR and PR49295 mention math-68881.h, and neither PR lists any missing instructions. What specific instructions are missing from -ffast-math?
