Ben Shi 1e9d0811c9 [RISCV] optimize addition with a pair of (addi imm) ...

For an addition with an immediate in specific ranges, a pair of
addi-addi can be generated instead of the ordinary lui-addi-add serial.

Reviewed By: MaskRay, luismarques

Differential Revision: https://reviews.llvm.org/D82262

2020-07-07 18:57:28 -07:00

5.6 KiB

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