[Bug middle-end/27226] [4.1 Regression] Compiler looses track of alignment for emit_block_move

[rguenth at gcc dot gnu dot org]

------- Comment #17 from rguenth at gcc dot gnu dot org  2006-09-18 09:16 
-------
Subject: Bug 27226

Author: rguenth
Date: Mon Sep 18 09:16:16 2006
New Revision: 117018

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=117018
Log:
2006-09-18  Richard Guenther  <[EMAIL PROTECTED]>

        Backport from mainline:
        J"orn Rennecke  <[EMAIL PROTECTED]>
        Richard Guenther  <[EMAIL PROTECTED]>
        Adam Nemet  <[EMAIL PROTECTED]>

        PR middle-end/27226
        * builtins.c (get_pointer_alignment): Handle more forms
        of base addresses that can be used to derive more precise
        information about alignment.

        * gcc.target/mips/memcpy-1.c: New testcase.

Added:
    branches/gcc-4_1-branch/gcc/testsuite/gcc.target/mips/memcpy-1.c
      - copied unchanged from r116641,
trunk/gcc/testsuite/gcc.target/mips/memcpy-1.c
Modified:
    branches/gcc-4_1-branch/gcc/ChangeLog
    branches/gcc-4_1-branch/gcc/builtins.c
    branches/gcc-4_1-branch/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27226