RE: [PATCH] testsuite: fix is_amd64_regs_target

["Metzger, Markus T" <markus.t.metzger@intel.com>]

Hello Tom,

Thanks for your review.

> Markus> -    set list {}
> Markus> -    foreach reg \
> Markus> -	{rax rbx rcx rdx rsi rdi rbp rsp r8 r9 r10 r11 r12 r13 r14 r15} {
> Markus> -	    lappend list "\tincq %$reg"
> Markus> -	}
> Markus> +    return [gdb_can_simple_compile is_amd64_regs_target {
> Markus> +	int main (void) {
> Markus> +	    asm ("incq %rax");
> Markus> +	    asm ("incq %r15");
> 
> I suppose reducing the number of registers tested doesn't materially affect the
> test.

That's my assumption, as well.  We already checked the architecture so we know it
is some x86 flavor.  A single 64-bit register should suffice.

The gdb.btrace suite passes on 32-bit and 64-bit including m32.  I have not run the
full suite since the problem was already seen on the gdb.btrace suite.

Regards,
Markus.
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