[ARM target attributes] Fix effective_target tests

2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>

	gcc/
	* doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
	(arm_fp_ok): Likewise.
	(arm_fp): Likewise.
	(arm_crypto): Likewise.

	gcc/testsuite/
	* lib/target-supports.exp
	(check_effective_target_arm_fp_ok_nocache): New.
	(check_effective_target_arm_fp_ok): New.
	(add_options_for_arm_fp): New.
	(check_effective_target_arm_crypto_ok_nocache): Require
	target_arm_v8_neon_ok instead of arm32.
	(check_effective_target_arm_crypto_pragma_ok_nocache): New.
	(check_effective_target_arm_crypto_pragma_ok): New.
	(add_options_for_arm_vfp): New.
	* gcc.target/arm/attr-crypto.c: Use arm_crypto_pragma_ok effective
	target. Do not force -mfloat-abi=softfp, use arm_fp_ok effective
	target instead. Force initial fpu to vfp.
	* gcc.target/arm/attr-neon-builtin-fail.c: Do not force
	-mfloat-abi=softfp, use arm_fp_ok effective target instead.
	* gcc.target/arm/attr-neon-fp16.c: Likewise. Remove arm_neon_ok
	dependency.
	* gcc.target/arm/attr-neon2.c: Do not force -mfloat-abi=softfp,
	use arm_vfp effective target instead. Force initial fpu to vfp.
	* gcc.target/arm/attr-neon3.c: Likewise.
	* gcc.target/arm/cmp-2.c: Use arm_fp_ok effective target instead of
	arm_vfp_ok.
	* gcc.target/arm/unsigned-float.c: Likewise.
	* gcc.target/arm/vfp-1.c: Likewise.
	* gcc.target/arm/vfp-ldmdbd.c: Likewise.
	* gcc.target/arm/vfp-ldmdbs.c: Likewise.
	* gcc.target/arm/vfp-ldmiad.c: Likewise.
	* gcc.target/arm/vfp-ldmias.c: Likewise.
	* gcc.target/arm/vfp-stmdbd.c: Likewise.
	* gcc.target/arm/vfp-stmdbs.c: Likewise.
	* gcc.target/arm/vfp-stmiad.c: Likewise.
	* gcc.target/arm/vfp-stmias.c: Likewise.
	* gcc.target/arm/vnmul-1.c: Likewise.
	* gcc.target/arm/vnmul-2.c: Likewise.
	* gcc.target/arm/vnmul-3.c: Likewise.
	* gcc.target/arm/vnmul-4.c: Likewise.

From-SVN: r232616

1 files changed, 23 insertions, 0 deletions

diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi
index 62212d4..036dcd6 100644
--- a/gcc/doc/sourcebuild.texi
+++ b/gcc/doc/sourcebuild.texi
@@ -1511,9 +1511,21 @@ Target generates decimal floating point instructions with current options.
 @item arm32
 ARM target generates 32-bit code.
 
+@item arm_crypto_pragma_ok
+@anchor{arm_crypto_pragma_ok}
+ARM target supports pragma target @code{fpu=crypto-neon-fp-armv8}.
+This may need @code{-mfpu=crypto-neon-fp-armv8} or equivalent options.
+Some multilibs may be incompatible with these options.
+
 @item arm_eabi
 ARM target adheres to the ABI for the ARM Architecture.
 
+@item arm_fp_ok
+@anchor{arm_fp_ok}
+ARM target defines @code{__ARM_FP} using @code{-mfloat-abi=softfp} or
+equivalent options.  Some multilibs may be incompatible with these
+options.
+
 @item arm_hf_eabi
 ARM target adheres to the VFP and Advanced SIMD Register Arguments
 variant of the ABI for the ARM Architecture (as selected with
@@ -2047,6 +2059,17 @@ The supported values of @var{feature} for directive @code{dg-add-options}
 are:
 
 @table @code
+@item arm_crypto_pragma
+Crypto extension pragma support.  Only ARM targets support this
+feature, and only then in certain modes; see the
+@ref{arm_crypto_pragma_ok,,arm_crypto_pragma_ok effective target
+keyword}.
+
+@item arm_fp
+@code{__ARM_FP} definition.  Only ARM targets support this feature, and only then
+in certain modes; see the @ref{arm_fp_ok,,arm_fp_ok effective target
+keyword}.
+
 @item arm_neon
 NEON support.  Only ARM targets support this feature, and only then
 in certain modes; see the @ref{arm_neon_ok,,arm_neon_ok effective target