- // Varargs handling intrinsics.
- vastart, // Used to implement the va_start macro in C
- vaend, // Used to implement the va_end macro in C
- vacopy, // Used to implement the va_copy macro in C
-
- // Code generator intrinsics.
- returnaddress, // Yields the return address of a dynamic call frame
- frameaddress, // Yields the frame address of a dynamic call frame
- prefetch, // Prefetch a value into the cache
-
- // setjmp/longjmp intrinsics.
- setjmp, // Used to represent a setjmp call in C
- longjmp, // Used to represent a longjmp call in C
- sigsetjmp, // Used to represent a sigsetjmp call in C
- siglongjmp, // Used to represent a siglongjmp call in C
-
- // Garbage Collection intrinsics.
- gcroot, // Defines a new GC root on the stack
- gcread, // Defines a read of a heap object (for read barriers)
- gcwrite, // Defines a write to a heap object (for write barriers)
-
- // Debugging intrinsics.
- dbg_stoppoint, // Represents source lines and breakpointable places
- dbg_region_start, // Start of a region
- dbg_region_end, // End of a region
- dbg_func_start, // Start of a function
- dbg_declare, // Declare a local object
-
-
- // Standard libc functions.
- memcpy, // Copy non-overlapping memory blocks
- memmove, // Copy potentially overlapping memory blocks
- memset, // Fill memory with a byte value
-
- // libm related functions.
- isunordered, // Return true if either argument is a NaN
-
- // Input/Output intrinsics.
- readport,
- writeport,
- readio,
- writeio