[PATCH] D143953: [RISCV] Accept zicsr and zifencei command line options

[Jessica Clarke via Phabricator via cfe-commits]

jrtc27 accepted this revision.
jrtc27 added a comment.
This revision is now accepted and ready to land.

Personally happy with the concept then, seems consistent and overall helpful, just some nits



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Comment at: llvm/lib/Target/RISCV/RISCVFeatures.td:83-86
+                       "'zifencei' (ifence)">;
+def HasStdExtZifencei : Predicate<"Subtarget->hasStdExtZifencei()">,
+                                   AssemblerPredicate<(all_of FeatureStdExtZifencei),
+                                   "'Zifencei' (ifence)">;
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s/ifence/fence.i/ (or Instruction Fence if you want words) for both these


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Comment at: llvm/test/CodeGen/RISCV/attributes.ll:103-104
+; RUN: llc -mtriple=riscv64 -mattr=+zicsr %s -o - | FileCheck --check-prefixes=CHECK,RV64ZICSR %s
+; RUN: llc -mtriple=riscv64 -mattr=+zifencei %s -o - | FileCheck --check-prefixes=CHECK,RV64ZIFENCEI %s
+
 
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Comment at: llvm/test/CodeGen/RISCV/attributes.ll:153-154
+; RV32ZICSR: .attribute 5, "rv32i2p0_zicsr2p0"
+; RV32ZIFENCEI: .attribute 5, "rv32i2p0_zifencei2p0"
+
 
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Repository:
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  https://reviews.llvm.org/D143953/new/

https://reviews.llvm.org/D143953