--- htdocs/gcc-15/changes.html | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-)
diff --git a/htdocs/gcc-15/changes.html b/htdocs/gcc-15/changes.html index f112af58..d851a744 100644 --- a/htdocs/gcc-15/changes.html +++ b/htdocs/gcc-15/changes.html @@ -1295,7 +1295,28 @@ structure used in <code>core 1.49</code> <!-- <h3 id="powerpc">PowerPC / PowerPC64 / RS6000</h3> --> -<!-- <h3 id="s390">S/390, System z, IBM z Systems</h3> --> +<h3 id="s390">S/390, System z, IBM z Systems</h3> + +<ul> + <li> + Support for the z17 architecture has been added. When using option + <code>-march=z17</code>, the compiler will generate code making use of the + new instructions introduced with the vector enhancement facility 3 and the + miscellaneous instruction extension facility 4. Option + <code>-mtune=z17</code> enables z17 specific instruction scheduling without + making use of new instructions. + </li> + + <li> + Builtins for the new vector instructions have been added and can be enabled + as before using option <code>-mzvector</code>. + </li> + + <li> + Option <code>-mlra</code> and its counterpart <code>-mno-lra</code> have + been removed. + </li> +</ul> <!-- <h3 id="riscv">RISC-V</h3> --> -- 2.49.0
