s390: More prep work bfp reorg. In the future unary/binary/ternary
operations on bfp data will no longer require a rounding mode in the
s390_insn. Only type conversion operations need a rounding mode.
So in this patch S390_BFP_CONVERT is introduced and
S390_BFP128_CONVERT_TO/FROM are consolidated to S390_BFP128_CONVERT.
This also makes the representation of bfp and bfp128 symmetric.
s390_insn gets a new variant: s390_convert.
The type conversion ops get their own data type now: s390_conv_t
git-svn-id: svn://svn.valgrind.org/vex/trunk@2522 8f6e269a-dfd6-0310-a8e1-e2731360e62c
3 files changed