* config/s390/s390.c (s390_option_override): Make -mhard-dfp the
default if possible and not specified otherwise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@184439
138bc75d-0d04-0410-961f-
82ee72b054a4
+2012-02-21 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
+ default if possible and not specified otherwise.
+
2012-02-21 Richard Guenther <rguenther@suse.de>
PR middle-end/52314
if (TARGET_64BIT && !TARGET_ZARCH)
error ("64-bit ABI not supported in ESA/390 mode");
+ /* Use hardware DFP if available and not explicitly disabled by
+ user. E.g. with -m31 -march=z10 -mzarch */
+ if (!(target_flags_explicit & MASK_HARD_DFP) && TARGET_DFP)
+ target_flags |= MASK_HARD_DFP;
+
if (TARGET_HARD_DFP && !TARGET_DFP)
{
if (target_flags_explicit & MASK_HARD_DFP)