On Fri, Oct 23, 2015 at 1:57 PM, Michael Meissner <meiss...@linux.vnet.ibm.com> wrote: > This patch is the first of two rs6000.md patches to straighten out the IFmode, > KFmode, and TFmode support. Part of the change is to change the iterator > names > to be easier to understand, using IEEE128, IBM128, and FLOAT128 as the > iterators. This change, and the next change go through and have parallel > insns > for handling IFmode and TFmode (when -mabi=ibmlongdouble) for IBM extended > double, and for handling KFmode and TFmode (when -mabi=ieeelongdouble). The > idea is to prepare the way in GCC 7.0 to change the default for long double. > > I have built the compiler with this patch and the previous subpatches (1-11). > I have bootstrapped the compiler with all 16 subpatches installed, and there > were no regressions. Is it ok to install in the trunk? > > 2015-10-22 Michael Meissner <meiss...@linux.vnet.ibm.com> > > * config/rs6000/rs6000.md (FLOAT128_SFDFTF): Delete iterator, > rework IEEE 128-bit floating point insns to deal with TFmode being > either IBM extended double or IEEE 128-bit floating point. > (IFKF): Likewise. > (IBM128): Update iterator to add condition that the mode is IBM > extended double. > (IEEE128): New iterator for IEEE 128-bit floating point. > (TFIFKF): Rename TFIFKF iterator to FLOAT128. > (FLOAT128): Likewise. > (signbit<mode>2): FLOAT128_IBM_P condition test moved into IBM128 > iterator. > (neg<mode>2): Replace TFIFKF iterator with FLOAT128. Add support > for TFmode being IEEE 128-bit floating point. Use IEEE128 iterator > instead of hard coding TFmode or KFmode. > (negtf2_internal): Likewise. > (neg<mode>2_internal): Likewise. > (abs<mode>2): Likewise. > (abstf2_internal): Likewise. > (abs<mode>2_internal): Likewise. > (ieee_128bit_neg<mode>2): Likewise. > (ieee_128bit_neg<mode>2_internal): Likewise. > (ieee_128bit_abs<mode>2): Likewise. > (ieee_128bit_abs<mode>2_internal): Likewise. > (ieee_128bit_nabs<mode>2): Likewise. > (ieee_128bit_nabs<mode>2_internal): Likewise. > (extendiftf2): Add explicit conversions between 128-bit floating > point types. Drop the old conversions that had become unwieldy. > (extend<FLOAT128_SFDFTF:mode><IFKF:mode>2): Likewise. > (extendifkf2): Likewise. > (trunc<IFKF:mode><FLOAT128_SFDFTF:mode>2): Likewise. > (extendtfkf2): Likewise. > (fix_trunc<IFKF:mode><SDI:mode>2): Likewise. > (trunciftf2): Likewise. > (fixuns_trunc<IFKF:mode><SDI:mode>2): Likewise. > (truncifkf2): Likewise. > (float<SDI:mode><IFKF:mode>2): Likewise. > (trunckftf2): Likewise. > (floatuns<SDI:mode><IFKF:mode>2): Likewise. > (trunctfif2): Likewise.
Okay. Thanks, David
