[Bug target/26655] ICE in ix86_secondary_memory_needed, at config/i386/i386.c:16446

["mtodorov at alu dot hr" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #7 from mtodorov at alu dot hr  2006-03-12 19:33 -------
Subject: Re:  ICE in ix86_secondary_memory_needed, at
 config/i386/i386.c:16446


On Sun, 12 Mar 2006, pinskia at gcc dot gnu dot org wrote:

>
>
> ------- Comment #4 from pinskia at gcc dot gnu dot org  2006-03-12 18:58 -------
> This is invalid inline-asm:
> static inline uint64_t read_time(void)
> {
> uint64_t a, d;
> asm volatile( "rdtsc\n\t"
>  : "=a" (a), "=d" (d)
> );
> return (d << 32) | (a & 0xffffffff);
> }
>
> -----
> The correct way to implement this inline is:
> static inline uint64_t read_time(void)
> {
> uint32_t a, d;
> asm volatile( "rdtsc\n\t"
>  : "=a" (a), "=d" (d)
> );
> return (((uint64_t)d) << 32) | (((uint64_t)a) & 0xffffffff);
> }
> After that it works :).

Confirmed. This workaround works.

M.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26655