[PATCH] D143673: [lld][RISCV] Implement GP relaxation for R_RISCV_HI20/R_RISCV_LO12_I/R_RISCV_LO12_S.

[Jessica Clarke via Phabricator via llvm-commits]

jrtc27 added a comment.

In D143673#4142568 <https://reviews.llvm.org/D143673#4142568>, @craig.topper wrote:

> @MaskRay here's some data I collected on SPEC2006 .text size and dynamic instruction counts with and without GP relaxation using the GNU linker. I also measured using GP as a callee-saved register. https://docs.google.com/spreadsheets/d/14V7cPbyc80AcGHzsMaw9hYb232dzRbGCmTApnxj-SpU/edit?usp=sharing

TL;DR is neither really gets you much of a saving and the only real benefit comes from tiny benchmarks / embedded use cases?..


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