This series adds emulation support for some additional ISA 3.0 instructions, most of which are now generated by a recent compiler (e.g. gcc-8.x) when building the kernel with CONFIG_POWER9_CPU=y.
Changelog: v1 -> v2: - Use a conservative approach when using the multiply-add and darn instructions via inline assembly because older binutils may not be able to recognize them (as pointed out by Michael). PrasannaKumar Muralidharan (1): powerpc sstep: Add support for modsw, moduw instructions Sandipan Das (5): powerpc: sstep: Add support for maddhd, maddhdu, maddld instructions powerpc: sstep: Add support for darn instruction powerpc sstep: Add support for cnttzw, cnttzd instructions powerpc sstep: Add support for extswsli instruction powerpc sstep: Add support for modsd, modud instructions arch/powerpc/include/asm/ppc-opcode.h | 15 +++- arch/powerpc/lib/sstep.c | 114 +++++++++++++++++++++++++- 2 files changed, 126 insertions(+), 3 deletions(-) -- 2.19.2