tree 8e7725b50b1ce18b85ef0d667d7e78356d0331f1
parent 1046a9cb1b348a91e551ed2d1714e0926a1b04b1
author Joel Sing <joel@sing.id.au> 1572798353 +1100
committer Joel Sing <joel@sing.id.au> 1574143803 +0000

cmd/internal/obj/riscv: split immediates larger than 12-bits

Handle immediates larger than 12-bits by rewriting as an LUI instruction with
the high bits, followed by the original instruction with the low bits.

Based on the riscv-go port.

Updates #27532

Change-Id: I8ed6d6e6db06fb8a27f3ab75f467ec2b7ff1f075
Reviewed-on: https://go-review.googlesource.com/c/go/+/204626
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>