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Add an intrinsic and codegen support for fused multiply-accumulate. The intent

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is to use this for architectures that have a native FMA instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134742 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Cameron Zwarich
2011-07-08 21:39:21 +00:00
parent cc0ddc707d
commit 33390848a7
20 changed files with 146 additions and 1 deletions
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4
lib/CodeGen/SelectionDAG/TargetLowering.cpp
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@@ -139,6 +139,10 @@ static void InitLibcallNames(const char **Names) {
Names[RTLIB::REM_F64] = "fmod";
Names[RTLIB::REM_F80] = "fmodl";
Names[RTLIB::REM_PPCF128] = "fmodl";
Names[RTLIB::FMA_F32] = "fmaf";
Names[RTLIB::FMA_F64] = "fma";
Names[RTLIB::FMA_F80] = "fmal";
Names[RTLIB::FMA_PPCF128] = "fmal";
Names[RTLIB::POWI_F32] = "__powisf2";
Names[RTLIB::POWI_F64] = "__powidf2";
Names[RTLIB::POWI_F80] = "__powixf2";