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Re: [Qemu-devel] [PATCH for-1.7] target-i386: Fix build by providing stu
From: |
Peter Maydell |
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 15:32:39 +0000 |
On 12 November 2013 15:21, Paolo Bonzini <address@hidden> wrote:
> Il 12/11/2013 16:13, Peter Maydell ha scritto:
>>>> >>
>>>> >> -O1 then for clang.
>>> >
>>> > We can even test in configure for the exact optimizations we want, in
>>> > fact. But I think -O1 doesn't sacrifice debuggability that much:
>> I'm afraid I still don't see why you'd want to sacrifice it
>> at all,
>
> Is this FUD or do you have examples of bad debuggability of -O1 code?
The clang manpage says specifically "Note that Clang debug
information works best at -O0. ", and I see no reason to
disbelieve it. In particular, they don't say "we definitely
will never add an optimization to -O1 that makes the debug
info much worse".
-- PMM
- Re: [Qemu-devel] [PATCH for-1.7] target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid(), (continued)
- Re: [Qemu-devel] [PATCH for-1.7] target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid(), Gleb Natapov, 2013/11/12
- Re: [Qemu-devel] [PATCH for-1.7] target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid(), Paolo Bonzini, 2013/11/12
- Re: [Qemu-devel] [PATCH for-1.7] target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid(), Gleb Natapov, 2013/11/12
- Re: [Qemu-devel] [PATCH for-1.7] target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid(), Peter Maydell, 2013/11/12
- Re: [Qemu-devel] [PATCH for-1.7] target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid(), Paolo Bonzini, 2013/11/12
- Re: [Qemu-devel] [PATCH for-1.7] target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid(), Peter Maydell, 2013/11/12
- Re: [Qemu-devel] [PATCH for-1.7] target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid(), Paolo Bonzini, 2013/11/12
- Re: [Qemu-devel] [PATCH for-1.7] target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid(),
Peter Maydell <=
- Re: [Qemu-devel] [PATCH for-1.7] target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid(), Paolo Bonzini, 2013/11/12
- Re: [Qemu-devel] [PATCH for-1.7] target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid(), Peter Maydell, 2013/11/12
- Re: [Qemu-devel] [PATCH for-1.7] target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid(), Anthony Liguori, 2013/11/12
- Re: [Qemu-devel] [PATCH for-1.7] target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid(), Peter Maydell, 2013/11/12
- Re: [Qemu-devel] [PATCH for-1.7] target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid(), Richard Henderson, 2013/11/12
- Re: [Qemu-devel] [PATCH for-1.7] target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid(), Peter Maydell, 2013/11/12
- Re: [Qemu-devel] [PATCH for-1.7] target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid(), Stefan Weil, 2013/11/12
- Re: [Qemu-devel] [PATCH for-1.7] target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid(), Paolo Bonzini, 2013/11/12
- Re: [Qemu-devel] [PATCH for-1.7] target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid(), Richard Henderson, 2013/11/12
- Re: [Qemu-devel] [PATCH for-1.7] target-i386: Fix build by providing stub kvm_arch_get_supported_cpuid(), Paolo Bonzini, 2013/11/13