Hey, by chance does the attached fix it?
On 12/10/06, Daniel Berlin <[EMAIL PROTECTED]> wrote:
On 12/10/06, H. J. Lu <[EMAIL PROTECTED]> wrote:
> 2006
> Reply-To:
>
> Hi Daniel,
>
> Do you have access to SPEC CPU 2006?
No, i don't, only SPEC CPU 2000.
> Your patch
>
> http://gcc.gnu.org/ml/gcc-patches/2006-12/msg00225.html
>
> causes gcc 4.3 to miscompile 464.h264ref in SPEC CPU 2006 with
> -O2 -ffast-math on Linux/x86-64. 464.h264ref compiled with gcc 4.3
> generates incorrect output. We are working on a small testcase.
There was a typo fix to this patch in a later revision that was
necessary for correctness. I have no idea what rev "gcc 4.3" refers
to, so i can't tell you if what you are testing is new enough or not
:)
If you can get me a testcase, i can fix it.
--- gcc/tree-ssa-structalias.c (/mirror/gcc-trunk) (revision 639)
+++ gcc/tree-ssa-structalias.c (/local/gcc-clean) (revision 639)
@@ -2885,6 +2885,8 @@ handle_ptr_arith (VEC (ce_s, heap) *lhsc
{
rhsoffset = TREE_INT_CST_LOW (op1) * BITS_PER_UNIT;
}
+ else
+ return false;
for (i = 0; VEC_iterate (ce_s, lhsc, i, c); i++)
Property changes on:
___________________________________________________________________
Name: svk:merge
+138bc75d-0d04-0410-961f-82ee72b054a4:/trunk:119713
+23c3ee16-a423-49b3-8738-b114dc1aabb6:/local/gcc-pta-dev:259
+23c3ee16-a423-49b3-8738-b114dc1aabb6:/local/gcc-trunk:531
+7dca8dba-45c1-47dc-8958-1a7301c5ed47:/local-gcc/md-constraint:113709
+f367781f-d768-471e-ba66-e306e17dff77:/local/gen-rework-20060122:110130
