[llvm] [RISC-V] Add P-ext MC Support for More Pair Operations (PR #154088)

[Craig Topper via llvm-commits]

================
@@ -889,3 +965,94 @@ let Predicates = [HasStdExtP, IsRV32] in {
     let Inst{23-15} = imm10{9-1};
   }
 }
+
+let Predicates = [HasStdExtP, IsRV32] in {
+  def PWSLLI_B     : RVPWideningShiftB_ri<0b000, "pwslli.b">;
+  def PWSLLI_H     : RVPWideningShiftH_ri<0b000, "pwslli.h">;
+  def WSLLI        : RVPWideningShiftW_ri<0b000, "wslli">;
+
+  def PWSLAI_B     : RVPWideningShiftB_ri<0b100, "pwslai.b">;
+  def PWSLAI_H     : RVPWideningShiftH_ri<0b100, "pwslai.h">;
+  def WSLAI        : RVPWideningShiftW_ri<0b100, "wslai">;
+
+  def PWSLL_BS     : RVPWideningShift_rr<0b000, 0b00, "pwsll.bs">;
+  def PWSLL_HS     : RVPWideningShift_rr<0b000, 0b01, "pwsll.hs">;
+  def WSLL         : RVPWideningShift_rr<0b000, 0b11, "wsll">;
+
+  def PWSLA_BS     : RVPWideningShift_rr<0b100, 0b00, "pwsla.bs">;
+  def PWSLA_HS     : RVPWideningShift_rr<0b100, 0b01, "pwsla.hs">;
+  def WSLA         : RVPWideningShift_rr<0b100, 0b11, "wsla">;
+
+  def WZIP8P       : RVPWideningShift_rr<0b111, 0b00, "wzip8p">;
+  def WZIP16P      : RVPWideningShift_rr<0b111, 0b01, "wzip16p">;
+
+  def PWADD_H      : RVPWideningBinary_rr<0b0000, 0b00, "pwadd.h">;
+  def WADD         : RVPWideningBinary_rr<0b0000, 0b01, "wadd">;
+  def PWADD_B      : RVPWideningBinary_rr<0b0000, 0b10, "pwadd.b">;
+  def PW2WADD_H    : RVPWideningBinary_rr<0b0000, 0b11, "pw2wadd.h">;
+
+  def PWADDA_H     : RVPWideningBinary_rr<0b0001, 0b00, "pwadda.h">;
+  def WADDA        : RVPWideningBinary_rr<0b0001, 0b01, "wadda">;
+  def PWADDA_B     : RVPWideningBinary_rr<0b0001, 0b10, "pwadda.b">;
+  def PW2WADDA_H   : RVPWideningBinary_rr<0b0001, 0b11, "pw2wadda.h">;
+
+  def PWADDU_H     : RVPWideningBinary_rr<0b0010, 0b00, "pwaddu.h">;
+  def WADDU        : RVPWideningBinary_rr<0b0010, 0b01, "waddu">;
+  def PWADDU_B     : RVPWideningBinary_rr<0b0010, 0b10, "pwaddu.b">;
+  def PW2WADD_HX   : RVPWideningBinary_rr<0b0010, 0b11, "pw2wadd.hx">;
+
+  def PWADDAU_H    : RVPWideningBinary_rr<0b0011, 0b00, "pwaddau.h">;
+  def WADDAU       : RVPWideningBinary_rr<0b0011, 0b01, "waddau">;
+  def PWADDAU_B    : RVPWideningBinary_rr<0b0011, 0b10, "pwaddau.b">;
+  def PW2WADDA_HX  : RVPWideningBinary_rr<0b0011, 0b11, "pw2wadda.hx">;
+
+  def PWMUL_H      : RVPWideningBinary_rr<0b0100, 0b00, "pwmul.h">;
+  def WMUL         : RVPWideningBinary_rr<0b0100, 0b01, "wmul">;
+  def PWMUL_B      : RVPWideningBinary_rr<0b0100, 0b10, "pwmul.b">;
+  def PW2WADDU_H   : RVPWideningBinary_rr<0b0100, 0b11, "pw2waddu.h">;
+
+  def PWMACC_H     : RVPWideningBinary_rr<0b0101, 0b00, "pwmacc.h">;
----------------
topperc wrote:

This should be RVPWideningTernary_rrr.

https://github.com/llvm/llvm-project/pull/154088