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[ARM] Update sourcebuild.texi with testsuite/effective-target hooks

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* 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
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Alan Lawrence 2015-09-08 19:38:22 +00:00 • committed by Alan Lawrence
parent 946e211e90
commit 48c44783ac
2 changed files with 13 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
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

9
gcc/doc/sourcebuild.texi
View file

@ -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