arm: Only support ARM64_CRC32 when using GCC

Today, only gcc has __builtin_aarch64_crc32b (clang-16 does not, for
example). Make this option depend on CC_IS_GCC.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Tom Rini 2023-04-05 19:48:51 -04:00
parent 142155103d
commit c2e5eea38a

View file

@ -12,7 +12,7 @@ config ARM64
config ARM64_CRC32
bool "Enable support for CRC32 instruction"
depends on ARM64
depends on ARM64 && CC_IS_GCC
default y
help
ARMv8 implements dedicated crc32 instruction for crc32 calculation.