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[Bug target/52684] [4.7 regression] glibc long double math tests fail on sparc 64-bit
- From: "davem at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 02 May 2012 07:01:24 +0000
- Subject: [Bug target/52684] [4.7 regression] glibc long double math tests fail on sparc 64-bit
- Auto-submitted: auto-generated
- References: <bug-52684-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52684
--- Comment #6 from davem at gcc dot gnu.org 2012-05-02 07:01:24 UTC ---
Created attachment 27283
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27283
Simplest test case. Build with -O1 -ffloat-store -m64 on sparc
This is the most simplest test case which generates a long double soft-fp
libcall on sparc64, and DSE erroneously eliminates the stores that setup the
arguments.