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| author | Andreas Krebbel <Andreas.Krebbel@de.ibm.com> | 2012-02-21 14:51:44 +0000 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@gcc.gnu.org> | 2012-02-21 14:51:44 +0000 |
| commit | 61369bb84962b5c4b90374ac73177920d19a2ddb (patch) | |
| tree | c64b2bbcffb64a73bf97b69f19de30bf32920ef5 | |
| parent | 333f1d8799060805e6e26a9996d3ed5f7aad3202 (diff) | |
| download | gcc-61369bb84962b5c4b90374ac73177920d19a2ddb.zip gcc-61369bb84962b5c4b90374ac73177920d19a2ddb.tar.gz gcc-61369bb84962b5c4b90374ac73177920d19a2ddb.tar.bz2 | |
s390.c (s390_option_override): Make -mhard-dfp the default if possible and not specified otherwise.
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.
From-SVN: r184439
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/s390/s390.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 489befa..0ad9eb2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +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 diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c index 824308a..d6e250f 100644 --- a/gcc/config/s390/s390.c +++ b/gcc/config/s390/s390.c @@ -1540,6 +1540,11 @@ s390_option_override (void) 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) |