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| From: | Paolo Bonzini |
| Subject: | Re: [Qemu-devel] [PATCH for-1.7] target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid() |
| Date: | Tue, 12 Nov 2013 14:57:49 +0100 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130923 Thunderbird/17.0.9 |
Il 12/11/2013 14:23, Gleb Natapov ha scritto: >> If -O0 does not do that, let's move debug builds to -O1. > > Why not enable dce with -fdce? First, because clang doesn't have fine-tuned optimization options (at least I couldn't find them and -fdce doesn't work). Second, because most optimization options are no-ops at -O0 (try "-fdce -fdump-tree-all" with GCC. Paolo
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