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[Bug target/82989] [7/8 regression ] Inexplicable use of NEON for 64-bit math
- From: "matthijsvanduin at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 15 Feb 2018 20:22:26 +0000
- Subject: [Bug target/82989] [7/8 regression ] Inexplicable use of NEON for 64-bit math
- Auto-submitted: auto-generated
- References: <bug-82989-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82989
--- Comment #9 from Matthijs van Duin <matthijsvanduin at gmail dot com> ---
I can still reproduce the same test case with: arm-linux-gnueabihf-gcc-8
(Debian 8-20180207-2) 8.0.1 20180207 (experimental) [trunk revision 257435]
-mfloat-abi=hard is implicit for arm-linux-gnueabihf, although overriding that
to -mfloat-abi=softfp produces exactly the same result for me.
(-mfloat-abi=soft completely disables all use of VFP/Neon hence obviously
suppresses this problem.)