[PATCH] D153326: [CSKY] Optimize subtraction with SUBI32/SUBI16

[Ben Shi via Phabricator via llvm-commits]

benshi001 added inline comments.


================
Comment at: llvm/test/CodeGen/CSKY/base-i.ll:46
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    addi32 a0, a0, 4096
+; CHECK-NEXT:    rts16
----------------
4096 is the upper boundary of `ADDI32`.


================
Comment at: llvm/test/CodeGen/CSKY/base-i.ll:272
 
+define i32 @subRI_4096(i32 %x) {
+; CHECK-LABEL: subRI_4096:
----------------
4096 is upper boundary of `SUBI32`.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D153326/new/

https://reviews.llvm.org/D153326