mips32r2
Support for 64-bit coprocessors on a 32-bit architecture was added in `MIPS32 R2`. llvm-svn: 365507
This patch makes compiler does not fuse fmul and fadd/fsub into fmadd/fmsub by default. Instead, -fp-contract=fast option can be used when such behavior is desired. Differential Revision: https://reviews.llvm.org/D46057 llvm-svn: 331033