diff options
Diffstat (limited to '')
| -rw-r--r-- | third_party/dav1d/src/arm/asm.S | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/third_party/dav1d/src/arm/asm.S b/third_party/dav1d/src/arm/asm.S index dc50415f1f..fed73b3048 100644 --- a/third_party/dav1d/src/arm/asm.S +++ b/third_party/dav1d/src/arm/asm.S @@ -34,6 +34,50 @@ #define x18 do_not_use_x18 #define w18 do_not_use_w18 +#if HAVE_AS_ARCH_DIRECTIVE + .arch AS_ARCH_LEVEL +#endif + +#if HAVE_AS_ARCHEXT_DOTPROD_DIRECTIVE +#define ENABLE_DOTPROD .arch_extension dotprod +#define DISABLE_DOTPROD .arch_extension nodotprod +#else +#define ENABLE_DOTPROD +#define DISABLE_DOTPROD +#endif +#if HAVE_AS_ARCHEXT_I8MM_DIRECTIVE +#define ENABLE_I8MM .arch_extension i8mm +#define DISABLE_I8MM .arch_extension noi8mm +#else +#define ENABLE_I8MM +#define DISABLE_I8MM +#endif +#if HAVE_AS_ARCHEXT_SVE_DIRECTIVE +#define ENABLE_SVE .arch_extension sve +#define DISABLE_SVE .arch_extension nosve +#else +#define ENABLE_SVE +#define DISABLE_SVE +#endif +#if HAVE_AS_ARCHEXT_SVE2_DIRECTIVE +#define ENABLE_SVE2 .arch_extension sve2 +#define DISABLE_SVE2 .arch_extension nosve2 +#else +#define ENABLE_SVE2 +#define DISABLE_SVE2 +#endif + +/* If we do support the .arch_extension directives, disable support for all + * the extensions that we may use, in case they were implicitly enabled by + * the .arch level. This makes it clear if we try to assemble an instruction + * from an unintended extension set; we only allow assmbling such instructions + * within regions where we explicitly enable those extensions. */ +DISABLE_DOTPROD +DISABLE_I8MM +DISABLE_SVE +DISABLE_SVE2 + + /* Support macros for * - Armv8.3-A Pointer Authentication and * - Armv8.5-A Branch Target Identification |