From 1023ddaf779015a991cc02d4e61fb29efb767327 Mon Sep 17 00:00:00 2001 From: Shilei Tian Date: Wed, 6 Jul 2022 10:57:24 -0400 Subject: [LLVM] Add the support for fmax and fmin in atomicrmw instruction This patch adds the support for `fmax` and `fmin` operations in `atomicrmw` instruction. For now (at least in this patch), the instruction will be expanded to CAS loop. There are already a couple of targets supporting the feature. I'll create another patch(es) to enable them accordingly. Reviewed By: arsenm Differential Revision: https://reviews.llvm.org/D127041 --- llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | 2 ++ 1 file changed, 2 insertions(+) (limited to 'llvm/lib/Bitcode/Writer/BitcodeWriter.cpp') diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp index fa798a4..c4ef8b5 100644 --- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp +++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp @@ -577,6 +577,8 @@ static unsigned getEncodedRMWOperation(AtomicRMWInst::BinOp Op) { case AtomicRMWInst::UMin: return bitc::RMW_UMIN; case AtomicRMWInst::FAdd: return bitc::RMW_FADD; case AtomicRMWInst::FSub: return bitc::RMW_FSUB; + case AtomicRMWInst::FMax: return bitc::RMW_FMAX; + case AtomicRMWInst::FMin: return bitc::RMW_FMIN; } } -- cgit v1.1