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Diffstat (limited to 'doc/asm.html')
| -rw-r--r-- | doc/asm.html | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/doc/asm.html b/doc/asm.html index f7787a407..dd395ec83 100644 --- a/doc/asm.html +++ b/doc/asm.html @@ -464,6 +464,23 @@ Function is the outermost frame of the call stack. Traceback should stop at this </li> </ul> +<h3 id="special-instructions">Special instructions</h3> + +<p> +The <code>PCALIGN</code> pseudo-instruction is used to indicate that the next instruction should be aligned +to a specified boundary by padding with no-op instructions. +</p> + +<p> +It is currently supported on arm64, amd64, ppc64, loong64 and riscv64. + +For example, the start of the <code>MOVD</code> instruction below is aligned to 32 bytes: +<pre> +PCALIGN $32 +MOVD $2, R0 +</pre> +</p> + <h3 id="data-offsets">Interacting with Go types and constants</h3> <p> |