================ @@ -936,6 +936,24 @@ X86 Support ^^^^^^^^^^^ - Remove knl/knm specific ISA supports: AVX512PF, AVX512ER, PREFETCHWT1 +- Support has been removed for the AMD "3DNow!" instruction-set. + Neither modern AMD CPUs, nor any Intel CPUs implement these + instructions, and they were never widely used. + + * The options ``-m3dnow`` and ``-m3dnowa`` are no longer honored, and will emit a warning if used. + * The macros ``__3dNOW__`` and ``__3dNOW_A__`` are no longer ever set by the compiler. + * The header ``<mm3dnow.h>`` is deprecated, and emits a warning if included. + * The 3dNow intrinsic functions have been removed: ``_m_femms``, + ``_m_pavgusb``, ``_m_pf2id``, ``_m_pfacc``, ``_m_pfadd``, + ``_m_pfcmpeq``, ``_m_pfcmpge``, ``_m_pfcmpgt``, ``_m_pfmax``, + ``_m_pfmin``, ``_m_pfmul``, ``_m_pfrcp``, ``_m_pfrcpit1``, + ``_m_pfrcpit2``, ``_m_pfrsqrt``, ``_m_pfrsqrtit1``, ``_m_pfsub``, + ``_m_pfsubr``, ``_m_pi2fd``, ``_m_pmulhrw``, ``_m_pf2iw``, + ``_m_pfnacc``, ``_m_pfpnacc``, ``_m_pi2fw``, ``_m_pswapdsf``, + ``_m_pswapdsi``. + * The compiler builtins corresponding to each of the above + intrinsics have also been removed (``__builtin_ia32_femms``, and so on). ---------------- RKSimon wrote:
Please can you make it clear that inline-asm is still supported https://github.com/llvm/llvm-project/pull/96246 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
