[PATCH] D39101: [RISCV 11.5/n] Codegen support for materializing constants

[Simon Dardis via Phabricator via llvm-commits]

sdardis added inline comments.


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Comment at: lib/Target/RISCV/RISCVInstrInfo.td:281
+def : Pat<(simm12:$imm), (ADDI X0, simm12:$imm)>;
+def : Pat<(simm32:$imm), (ADDI (LUI (HI20 imm:$imm)), (LO12Sext imm:$imm))>;
+
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You should add the LUI pattern for materializing constants where the lower 12 bits are all zeros,


https://reviews.llvm.org/D39101