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Re: [tree-ssa] Removal of unused vars
- From: law at redhat dot com
- To: Diego Novillo <dnovillo at redhat dot com>
- Cc: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
- Date: Tue, 01 Jul 2003 14:03:13 -0600
- Subject: Re: [tree-ssa] Removal of unused vars
- Reply-to: law at redhat dot com
In message <1056636461.3667.87.camel@frodo.toronto.redhat.com>, Diego Novillo w
rites:
>On Wed, 2003-06-25 at 21:03, law@redhat.com wrote:
>
>This produces a regression in alpha:
>
>New regressions in 20030626/gcc.sum.gz:
> FAIL: gcc.c-torture/compile/20010605-1.c
> FAIL: gcc.c-torture/compile/20010605-1.c
> FAIL: gcc.c-torture/compile/20010605-1.c
> FAIL: gcc.c-torture/compile/20010605-1.c
> FAIL: gcc.c-torture/compile/20010605-1.c
>
Bah.
>We don't seem to flag 'size' as having hidden uses in alpha. In x86, we
>do:
That's because there's a NOP_EXPR wrapping the hidden use. Blah.
>
>If you don't have access to alpha, let me know and I'll add it to my
>queue of things to fix.
?!? You typically don't need access to hardware to fix this kind of failure.
99.9% of the time this kind of thing will show up with a cross compiler.
Anyway, I'll checkin a fix for this after my next round of successful testing.
jeff