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[Bug target/73350] AVX512: GCC optimizes away rounding flags
- From: "wenzel at mitsuba-renderer dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 11 Aug 2016 11:17:42 +0000
- Subject: [Bug target/73350] AVX512: GCC optimizes away rounding flags
- Auto-submitted: auto-generated
- References: <bug-73350-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=73350
--- Comment #1 from Wenzel Jakob <wenzel@mitsuba-renderer.org> ---
Sorry, there was a stupid typo in my message below. The middle part should have
read
At optimization level, -O1, this currently stops working (tested with GCC
trunk):
$ g++ test.c -o test -mavx512f -O1 -fomit-frame-pointer -fomit-frame-pointer &&
./test
0.00000