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aarch64: Add missing ACLE support for BTI

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Define the __ARM_FEATURE_BTI_DEFAULT feature test
macro when BTI branch protection is enabled.

2020-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>

gcc/ChangeLog:

	* config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Add
	__ARM_FEATURE_BTI_DEFAULT support.
This commit is contained in:
Szabolcs Nagy 2020-07-02 16:04:51 +01:00
parent 96b7f495f9
commit 63b6808e69
1 changed files with 3 additions and 0 deletions
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gcc/config/aarch64/aarch64-c.c
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@ -178,6 +178,9 @@ aarch64_update_cpp_builtins (cpp_reader *pfile)
aarch64_def_or_undef (TARGET_RNG, "__ARM_FEATURE_RNG", pfile);
aarch64_def_or_undef (TARGET_MEMTAG, "__ARM_FEATURE_MEMORY_TAGGING", pfile);
aarch64_def_or_undef (aarch64_bti_enabled (),
"__ARM_FEATURE_BTI_DEFAULT", pfile);
aarch64_def_or_undef (TARGET_I8MM, "__ARM_FEATURE_MATMUL_INT8", pfile);
aarch64_def_or_undef (TARGET_BF16_SIMD,
"__ARM_FEATURE_BF16_VECTOR_ARITHMETIC", pfile);