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[Bug middle-end/41082] [4.5/4.6 Regression] FAIL: gfortran.fortran-torture/execute/where_2.f90 execution, -O3
- From: "dominiq at lps dot ens.fr" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 26 Nov 2010 15:49:01 +0000
- Subject: [Bug middle-end/41082] [4.5/4.6 Regression] FAIL: gfortran.fortran-torture/execute/where_2.f90 execution, -O3
- Auto-submitted: auto-generated
- References: <bug-41082-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41082
--- Comment #55 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2010-11-26 15:48:44 UTC ---
> Perhaps try to build with r166946 and r166947 the testcase with -fdump-tree-all
> -fdump-rtl-all, see where the dumps start diverging and what is the difference
> between assembly outputs?
First difference is the following!-(
diff 166946/0/where_2.f90.003t.original 166947/0/where_2.f90.003t.original
183c183
< integer(kind=4) D.1181;
---
> integer(kind=4) D.1179;
199c199
< D.1181 = val.27;
---
> D.1179 = val.27;
209c209
< temp[S.29 + -1] = temp[S.29 + -1] + D.1181;
---
> temp[S.29 + -1] = temp[S.29 + -1] + D.1179;
How am I supposed to go further?