8149418: AArch64: replace tst+br with tbz instruction when tst's constant operand is 2 power
Summary: replace tst+br with tbz instruction when tst's constant operand is 2 power
Reviewed-by: aph
thartmann [Thu, 02 Jun 2016 08:46:52 +0200] rev 39254
8156760: VM crashes if -XX:-ReduceInitialCardMarks is set
Summary: Fixed several compiler crashes with disabled ReduceInitialCardMarks.
Reviewed-by: roland, minqi, dlong, tschatzl, kvn