[PATCH] Add some DFP define_{expand,insn} for rs6000
David Edelsohn
dje@watson.ibm.com
Tue Apr 17 15:30:00 GMT 2007
* config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
regnos into even/odd register pairs.
* config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
TDmode similar to the other floating point modes.
[SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
* config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
define_expand's.
(negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
(movdd_hardfloat64): Use TARGET_MFPGPR.
This is okay, but please change
+ && ((mode != TDmode) || !(regno % 2))
to "(regno % 2) == 0" not using modulus as a truth value operator.
Thanks, David
More information about the Gcc-patches
mailing list