From: Andreas Krebbel Date: Tue, 21 Feb 2012 14:51:44 +0000 (+0000) Subject: s390.c (s390_option_override): Make -mhard-dfp the default if possible and not specif... X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=61369bb84962b5c4b90374ac73177920d19a2ddb;p=gcc.git s390.c (s390_option_override): Make -mhard-dfp the default if possible and not specified otherwise. 2012-02-21 Andreas Krebbel * config/s390/s390.c (s390_option_override): Make -mhard-dfp the default if possible and not specified otherwise. From-SVN: r184439 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 489befa393f..0ad9eb23945 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2012-02-21 Andreas Krebbel + + * config/s390/s390.c (s390_option_override): Make -mhard-dfp the + default if possible and not specified otherwise. + 2012-02-21 Richard Guenther PR middle-end/52314 diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c index 824308addc6..d6e250fd5a8 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)