diff options
| author | Alan Lawrence <alan.lawrence@arm.com> | 2015-09-08 19:38:22 +0000 |
|---|---|---|
| committer | Alan Lawrence <alalaw01@gcc.gnu.org> | 2015-09-08 19:38:22 +0000 |
| commit | 48c44783acb1c9e0cd3f65dd6ce16f9871921e41 (patch) | |
| tree | 511770062b4dca528462c7f3903b46fa3914a3ad | |
| parent | 946e211e90ba01a8fe44c5496dd11d2ac953dca0 (diff) | |
| download | gcc-48c44783acb1c9e0cd3f65dd6ce16f9871921e41.zip gcc-48c44783acb1c9e0cd3f65dd6ce16f9871921e41.tar.gz gcc-48c44783acb1c9e0cd3f65dd6ce16f9871921e41.tar.bz2 | |
[ARM] Update sourcebuild.texi with testsuite/effective-target hooks
* doc/sourcebuild.texi (arm_neon_fp16): Correct cross-reference.
(arm_neon_fp16_ok): Document adding of -mfp16-format=ieee flag.
(arm_neon_fp16_hw): New.
From-SVN: r227556
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/doc/sourcebuild.texi | 9 |
2 files changed, 13 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index bd76b59..2b90030 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2015-09-08 Alan Lawrence <alan.lawrence@arm.com> + * doc/sourcebuild.texi (arm_neon_fp16): Correct cross-reference. + (arm_neon_fp16_ok): Document adding of -mfp16-format=ieee flag. + (arm_neon_fp16_hw): New. + +2015-09-08 Alan Lawrence <alan.lawrence@arm.com> + * fold-const.c (native_interpret_real): Fix HFmode for bigendian where UNITS_PER_WORD >= 4. diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi index 7aa9c9d..5dc7c81 100644 --- a/gcc/doc/sourcebuild.texi +++ b/gcc/doc/sourcebuild.texi @@ -1549,7 +1549,12 @@ options. Some multilibs may be incompatible with these options. @item arm_neon_fp16_ok @anchor{arm_neon_fp16_ok} ARM Target supports @code{-mfpu=neon-fp16 -mfloat-abi=softfp} or compatible -options. Some multilibs may be incompatible with these options. +options, including @code{-mfp16-format=ieee} if necessary to obtain the +@code{__fp16} type. Some multilibs may be incompatible with these options. + +@item arm_neon_fp16_hw +Test system supports executing Neon half-precision float instructions. +(Implies previous.) @item arm_thumb1_ok ARM target generates Thumb-1 code for @code{-mthumb}. @@ -2035,7 +2040,7 @@ keyword}. @item arm_neon_fp16 NEON and half-precision floating point support. Only ARM targets support this feature, and only then in certain modes; see -the @ref{arm_neon_ok,,arm_neon_fp16_ok effective target keyword}. +the @ref{arm_neon_fp16_ok,,arm_neon_fp16_ok effective target keyword}. @item arm_vfp3 arm vfp3 floating point support; see |