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Diffstat (limited to 'gcc/doc/sourcebuild.texi')
| -rw-r--r-- | gcc/doc/sourcebuild.texi | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi index abe07799f33..2887e7cb8d6 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}. @@ -2016,7 +2021,7 @@ 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 |