[PATCH] D14079: [FPEnv Core 14/14] Introduce F*_W_CHAIN instrs to prevent reordering
Justin Holewinski via llvm-commits
llvm-commits at lists.llvm.org
Mon Oct 26 08:54:23 PDT 2015
jholewinski added inline comments.
================
Comment at: lib/Target/NVPTX/NVPTXInstrInfo.td:696
@@ -695,1 +695,3 @@
defm FMUL : F3<"mul", fmul>;
+defm FADD_wchain : F3<"add", faddwchain>;
+defm FSUB_wchain : F3<"sub", fsubwchain>;
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Does it matter if the target does not actually support FP exceptions? This is not currently modeled in PTX.
Repository:
rL LLVM
http://reviews.llvm.org/D14079
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