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[Bug tree-optimization/17884] [4.0 Regression] asm 'volatile' is not honored as documented
- From: "dnovillo at redhat dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 8 Oct 2004 18:45:57 -0000
- Subject: [Bug tree-optimization/17884] [4.0 Regression] asm 'volatile' is not honored as documented
- References: <20041007193056.17884.fjahanian@apple.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From dnovillo at redhat dot com 2004-10-08 18:45 -------
Subject: Re: [4.0 Regression] asm 'volatile'
is not honored as documented
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.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17884