On Sun, May 20, 2018 at 5:42 PM, Tom Hughes <t...@compton.nu> wrote:
> On 20/05/18 21:15, John Reiser wrote:
>
>> This is peculiar: "I am working on ... x86_64" but invoking "gcc -m32"
>> which requests "generate code for i686".
>> Also, if the value is not at least 4 then some generated SSE instructions
>> (even on i686) will fault because they demand 16-byte alignment,
>> and any call involving a variable number of arguments which includes
>> any argument that requires 16-byte alignment will generate incorrect code.
>> The best strategy is to omit "-mpreferred-stack-boudnary" entirely.
>
>
> It's not peculiar really - by default when building on x86_64 valgrind
> will try and build both the x86 and x86_64 backends.
>
> Use --enable-only64bit to configure if you want to stop it trying to
> build the 32 bit backend.

Oh, thanks. I did not look at the configuration options closely enough.

Sorry about the extra noise.

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