arch-power: Add doubleword multiply instructions
authorSandipan Das <sandipan@linux.ibm.com>
Sat, 6 Feb 2021 11:47:45 +0000 (17:17 +0530)
committerSandipan Das <sandipan@linux.ibm.com>
Mon, 15 Feb 2021 08:32:38 +0000 (14:02 +0530)
commitdc08c52552a48b68c811baea929a70d40a723a4c
tree92c2726ae42e41c353212f4c38cc4f5a8e8f3269
parenta95ff3f43e0f03048506f37b01dbd2cf9d820be0
arch-power: Add doubleword multiply instructions

This introduces 128-bit multiplication helpers and adds
the following instructions.
  * Multiply Low Doubleword (mulld[o][.])
  * Multiply High Doubleword (mulhd[.])
  * Multiply High Doubleword Unsigned (mulhdu[.])

Change-Id: Id579c95468ffe5fe7b5164579ec1dfb18f0b3ab3
Signed-off-by: Sandipan Das <sandipan@linux.ibm.com>
src/arch/power/insts/integer.hh
src/arch/power/isa/decoder.isa