Only the bottom 64 bits will be preserved by C++ code so we shouldn't treat the SIMD registers as non-volatile. The patch in bug 1919803 has a Wasm test for this. Differential Revision: https://phabricator.services.mozilla.com/D225646
Only the bottom 64 bits will be preserved by C++ code so we shouldn't treat the SIMD registers as non-volatile. The patch in bug 1919803 has a Wasm test for this. Differential Revision: https://phabricator.services.mozilla.com/D225646