================
@@ -361,42 +425,146 @@ _wbinvd(void) {
__builtin_ia32_wbinvd();
}
+/// Rotates an 8-bit value to the left by the specified number of bits.
+/// This operation is undefined if the number of bits exceeds the size of
+/// the value.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the \c ROLB instruction.
----------------
topperc wrote:
In the Intel and AMD manuals I think the instruction is just called ROL. ROLB
is the name in AT&T assembler syntax to distinquish the size.
https://github.com/llvm/llvm-project/pull/77686
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