On Wed, 16 Nov 2022 23:08:16 GMT, Vladimir Ivanov <vliva...@openjdk.org> wrote:
>> src/hotspot/cpu/x86/stubGenerator_x86_64_poly.cpp line 917: >> >>> 915: // Cleanup >>> 916: __ vpxorq(xmm0, xmm0, xmm0, Assembler::AVX_512bit); >>> 917: __ vpxorq(xmm1, xmm1, xmm1, Assembler::AVX_512bit); >> >> You could use T0, T1 in place of xmm0, xmm1 here. > > Or simply switch to `vzeroall` for `xmm0` - `xmm15`. ah.. I remember thinking about doing that.. `vzeroall` isnt encoded yet and I figured since I already have to do the xmm16-29, might as well do them all.. should I add that instruction too? ------------- PR: https://git.openjdk.org/jdk/pull/10582
