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| author | James Greenhalgh <james.greenhalgh@arm.com> | 2016-11-23 17:25:41 +0000 |
|---|---|---|
| committer | James Greenhalgh <jgreenhalgh@gcc.gnu.org> | 2016-11-23 17:25:41 +0000 |
| commit | 3479b7af5e95a662664dbc0835436fc4d63d9551 (patch) | |
| tree | 189e92e5419619eb28193e52a7944087be9ff890 | |
| parent | 8f23c89a5fd677301137917b2658e564f770acd5 (diff) | |
| download | gcc-3479b7af5e95a662664dbc0835436fc4d63d9551.zip gcc-3479b7af5e95a662664dbc0835436fc4d63d9551.tar.gz gcc-3479b7af5e95a662664dbc0835436fc4d63d9551.tar.bz2 | |
[Patch 8/17] Make _Float16 available if HFmode is available
gcc/
* targhooks.c (default_floatn_mode): Enable _Float16 if a target
provides HFmode.
From-SVN: r242778
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/targhooks.c | 10 |
2 files changed, 11 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 963f022..5a19b60 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2016-11-23 James Greenhalgh <james.greenhalgh@arm.com> + * targhooks.c (default_floatn_mode): Enable _Float16 if a target + provides HFmode. + +2016-11-23 James Greenhalgh <james.greenhalgh@arm.com> + * config/s390/s390.h (TARGET_FLT_EVAL_METHOD): Delete. * config/m68k/m68k.h (TARGET_FLT_EVAL_METHOD): Delete. * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Delete. diff --git a/gcc/targhooks.c b/gcc/targhooks.c index 73e1c25..a80b301 100644 --- a/gcc/targhooks.c +++ b/gcc/targhooks.c @@ -514,10 +514,12 @@ default_floatn_mode (int n, bool extended) switch (n) { case 16: - /* We do not use HFmode for _Float16 by default because the - required excess precision support is not present and the - interactions with promotion of the older __fp16 need to - be worked out. */ + /* Always enable _Float16 if we have basic support for the mode. + Targets can control the range and precision of operations on + the _Float16 type using TARGET_C_EXCESS_PRECISION. */ +#ifdef HAVE_HFmode + cand = HFmode; +#endif break; case 32: |