[Bug rtl-optimization/28634] [4.1 regression] rounding problem with -fdelayed-branch on hppa/mips

["rsandifo at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #5 from rsandifo at gcc dot gnu dot org  2006-09-09 10:56 -------
Subject: Bug 28634

Author: rsandifo
Date: Sat Sep  9 10:56:31 2006
New Revision: 116796

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=116796
Log:
gcc/
        PR rtl-optimization/28634
        * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
        for floating-point modes unless flag_unsafe_math_optimizations.

gcc/testsuite/
        PR rtl-optimization/28634
        * gcc.c-torture/execute/ieee/pr28634.c: New test.

Added:
    branches/gcc-4_1-branch/gcc/testsuite/gcc.c-torture/execute/ieee/pr28634.c
Modified:
    branches/gcc-4_1-branch/gcc/ChangeLog
    branches/gcc-4_1-branch/gcc/reorg.c
    branches/gcc-4_1-branch/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28634