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[Bug tree-optimization/86367] FRE1 tree pass deletes code in gcc.target/powerpc/nan128-1.c when long double is IEEE 128
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 02 Jul 2018 10:33:48 +0000
- Subject: [Bug tree-optimization/86367] FRE1 tree pass deletes code in gcc.target/powerpc/nan128-1.c when long double is IEEE 128
- Auto-submitted: auto-generated
- References: <bug-86367-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86367
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |rguenth at gcc dot gnu.org
--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> ---
FRE uses native_encode_real / native_interpret_int to read the NAN as integer.
I suspect that something goes wrong with native_encode_real here or in
real_to_target which is used by that function.