[PATCH] D77713: [Docs] Add description for zerosign and exception option in llc
Qiu Chaofan via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Apr 8 02:07:50 PDT 2020
qiucf created this revision.
qiucf added reviewers: jhenderson, seaneveson, abrachet, mehdi_amini.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.
This patch adds missing description of `--enable-no-signed-zeros-fp-math` and `--enable-no-trapping-fp-math` options of `llc`.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D77713
Files:
llvm/docs/CommandGuide/llc.rst
Index: llvm/docs/CommandGuide/llc.rst
===================================================================
--- llvm/docs/CommandGuide/llc.rst
+++ llvm/docs/CommandGuide/llc.rst
@@ -112,6 +112,14 @@
Enable optimizations that assume no NAN values.
+.. option:: --enable-no-signed-zeros-fp-math
+
+ Enable FP math optimizations that assume the sign of 0 is insignificant.
+
+.. option:: --enable-no-trapping-fp-math
+
+ Enable setting the FP attribute not to use exceptions.
+
.. option:: --enable-unsafe-fp-math
Enable optimizations that make unsafe assumptions about IEEE math (e.g. that
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