[llvm] 9af561e - [x86] update cost table comments for maxnum; NFC

[Sanjay Patel via llvm-commits]

Author: Sanjay Patel
Date: 2020-11-03T08:09:59-05:00
New Revision: 9af561ec99350043c864442f93c3ac46274d324f

URL: https://github.com/llvm/llvm-project/commit/9af561ec99350043c864442f93c3ac46274d324f
DIFF: https://github.com/llvm/llvm-project/commit/9af561ec99350043c864442f93c3ac46274d324f.diff

LOG: [x86] update cost table comments for maxnum; NFC

Follow-up suggested in D90613.

Added: 
    

Modified: 
    llvm/lib/Target/X86/X86TargetTransformInfo.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
index 16bd2e647e0a..978936996132 100644
--- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
+++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
@@ -2528,12 +2528,12 @@ int X86TTIImpl::getTypeBasedIntrinsicInstrCost(
     { ISD::USUBSAT,    MVT::v16i16,  4 }, // 2 x 128-bit Op + extract/insert
     { ISD::USUBSAT,    MVT::v32i8,   4 }, // 2 x 128-bit Op + extract/insert
     { ISD::USUBSAT,    MVT::v8i32,   6 }, // 2 x 128-bit Op + extract/insert
-    { ISD::FMAXNUM,    MVT::f32,     3 }, // MAXPS + CMPUNORDPS + BLENDVPS
-    { ISD::FMAXNUM,    MVT::v4f32,   3 },
-    { ISD::FMAXNUM,    MVT::v8f32,   5 },
-    { ISD::FMAXNUM,    MVT::f64,     3 }, // MAXPD + CMPUNORDPD + BLENDVPD
-    { ISD::FMAXNUM,    MVT::v2f64,   3 },
-    { ISD::FMAXNUM,    MVT::v4f64,   5 },
+    { ISD::FMAXNUM,    MVT::f32,     3 }, // MAXSS + CMPUNORDSS + BLENDVPS
+    { ISD::FMAXNUM,    MVT::v4f32,   3 }, // MAXPS + CMPUNORDPS + BLENDVPS
+    { ISD::FMAXNUM,    MVT::v8f32,   5 }, // MAXPS + CMPUNORDPS + BLENDVPS + ?
+    { ISD::FMAXNUM,    MVT::f64,     3 }, // MAXSD + CMPUNORDSD + BLENDVPD
+    { ISD::FMAXNUM,    MVT::v2f64,   3 }, // MAXPD + CMPUNORDPD + BLENDVPD
+    { ISD::FMAXNUM,    MVT::v4f64,   5 }, // MAXPD + CMPUNORDPD + BLENDVPD + ?
     { ISD::FSQRT,      MVT::f32,    14 }, // SNB from http://www.agner.org/
     { ISD::FSQRT,      MVT::v4f32,  14 }, // SNB from http://www.agner.org/
     { ISD::FSQRT,      MVT::v8f32,  28 }, // SNB from http://www.agner.org/