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Re: [Bug tree-optimization/17884] [4.0 Regression] asm 'volatile'is not honored as documented
- From: Diego Novillo <dnovillo at redhat dot com>
- To: "gcc-bugzilla at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- Cc: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 08 Oct 2004 14:45:57 -0400
- Subject: Re: [Bug tree-optimization/17884] [4.0 Regression] asm 'volatile'is not honored as documented
- Organization: Red Hat Canada
- References: <20041007193056.17884.fjahanian@apple.com> <20041008183724.24329.qmail@sourceware.org>
On Fri, 2004-10-08 at 14:37, amacleod at redhat dot com wrote:
> ie, I dont beleive we delete ASM of any sort unless they are unreachable.
>
Right. DCE on trees always marks ASM expressions as inherently
necessary.
Diego.