Hi Tulio,
Thanks for all the cleanups!
Two quite minor things...
+(define_insn "rs6000_get_timebase_ppc64"
+ [(set (match_operand:DI 0 "gpc_reg_operand" "=r")
+(unspec_volatile:DI [(const_int 0)] UNSPECV_GETTB))]
+ "TARGET_POWERPC64"
+{
+ if (TARGET_MFCRF)
+return "mfspr %0, 268
On Mon, Sep 17, 2012 at 8:53 AM, Tulio Magno Quites Machado Filho
wrote:
> Add __builtin_ppc_get_timebase and __builtin_ppc_mftb to read the Time
> Base Register on PowerPC.
> They are required by applications that measure time at high frequencies
> with high precision that can't afford a syscall.
Add __builtin_ppc_get_timebase and __builtin_ppc_mftb to read the Time
Base Register on PowerPC.
They are required by applications that measure time at high frequencies
with high precision that can't afford a syscall.
__builtin_ppc_get_timebase returns the 64 bits of the Time Base Register
while __
