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| author | Szabolcs Nagy <szabolcs.nagy@arm.com> | 2020-07-02 16:11:04 +0100 |
|---|---|---|
| committer | Szabolcs Nagy <szabolcs.nagy@arm.com> | 2020-07-13 13:49:21 +0100 |
| commit | a1faa8e2470b33e92f6274804bf7941fbb6e2d38 (patch) | |
| tree | f6c48e6e55c15011a26fed2cb76646a6eef7f096 /gcc | |
| parent | 6a391e06f953c3390b14020d8cacb6d55f81b2b9 (diff) | |
| download | gcc-a1faa8e2470b33e92f6274804bf7941fbb6e2d38.zip gcc-a1faa8e2470b33e92f6274804bf7941fbb6e2d38.tar.gz gcc-a1faa8e2470b33e92f6274804bf7941fbb6e2d38.tar.bz2 | |
aarch64: Add missing ACLE support for PAC-RET
Define the __ARM_FEATURE_PAC_DEFAULT feature test
macro when PAC-RET branch protection is enabled.
2020-07-13 Szabolcs Nagy <szabolcs.nagy@arm.com>
gcc/ChangeLog:
* config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Add
__ARM_FEATURE_PAC_DEFAULT support.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/aarch64/aarch64-c.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/config/aarch64/aarch64-c.c b/gcc/config/aarch64/aarch64-c.c index 1882288..1a1f4ec 100644 --- a/gcc/config/aarch64/aarch64-c.c +++ b/gcc/config/aarch64/aarch64-c.c @@ -181,6 +181,19 @@ aarch64_update_cpp_builtins (cpp_reader *pfile) aarch64_def_or_undef (aarch64_bti_enabled (), "__ARM_FEATURE_BTI_DEFAULT", pfile); + cpp_undef (pfile, "__ARM_FEATURE_PAC_DEFAULT"); + if (aarch64_ra_sign_scope != AARCH64_FUNCTION_NONE) + { + int v = 0; + if (aarch64_ra_sign_key == AARCH64_KEY_A) + v |= 1; + if (aarch64_ra_sign_key == AARCH64_KEY_B) + v |= 2; + if (aarch64_ra_sign_scope == AARCH64_FUNCTION_ALL) + v |= 4; + builtin_define_with_int_value ("__ARM_FEATURE_PAC_DEFAULT", v); + } + aarch64_def_or_undef (TARGET_I8MM, "__ARM_FEATURE_MATMUL_INT8", pfile); aarch64_def_or_undef (TARGET_BF16_SIMD, "__ARM_FEATURE_BF16_VECTOR_ARITHMETIC", pfile); |