Ian,
Yes, I realized there was a problem compling with gcc4 with this code. I fixed
that since then.
Thanks.
On Mon, May 15, 2006 at 10:38:15AM +1000, Ian Wienand wrote:
> On Fri, May 12, 2006 at 08:15:37AM -0700, Stephane Eranian wrote:
> > The new version of the library
>
> Hi,
>
> I'm trying to build libpfm-3.2-060512 for my Pentium M laptop and see
>
> pfmlib_gen_ia32.c: In function 'pfm_gen_ia32_detect':
> pfmlib_gen_ia32.c:117: error: PIC register 'ebx' clobbered in 'asm'
> pfmlib_gen_ia32.c:122: error: PIC register 'ebx' clobbered in 'asm'
> pfmlib_gen_ia32.c:117: error: PIC register 'ebx' clobbered in 'asm'
> pfmlib_gen_ia32.c:122: error: PIC register 'ebx' clobbered in 'asm'
>
> I think it's just a typo, since you're saving and restoring ebx it
> doesn't need to be listed as clobbered?
>
> -i
>
> --- libpfm-3.2-060512/lib/pfmlib_gen_ia32.c 2006-05-13 00:22:45.000000000
> +1000
> +++ libpfm-3.2-060512-new/lib/pfmlib_gen_ia32.c 2006-05-15
> 10:34:37.000000000 +1000
> @@ -117,12 +117,12 @@
> __asm__("pushl %%ebx;cpuid; popl %%ebx"
> :"=a" (*eax)
> : "a" (op)
> - : "ecx", "edx", "ebx");
> + : "ecx", "edx");
>
> __asm__("pushl %%ebx;cpuid; movl %%ebx, %%eax;popl %%ebx"
> :"=a" (*ebx)
> : "a" (op)
> - : "ecx", "edx", "ebx");
> + : "ecx", "edx");
> }
>
> /*
--
-Stephane
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