Implement exp2() and log2(), and make ir_unop_exp and ir_unop_log be base e.

Making the base e functions IR operations is not a clear win.  i965
doesn't support it, it doesn't look like r600 supports it, but r500
does. It should be easily supportable as a lowering pass, though.

1 files changed, 2 insertions, 0 deletions

diff --git a/ir.h b/ir.h
index 4590528948..600a2cd78d 100644
--- a/ir.h
+++ b/ir.h
@@ -228,6 +228,8 @@ enum ir_expression_operation {
    ir_unop_sqrt,
    ir_unop_exp,
    ir_unop_log,
+   ir_unop_exp2,
+   ir_unop_log2,
    ir_unop_f2i,      /**< Float-to-integer conversion. */
    ir_unop_i2f,      /**< Integer-to-float conversion. */
    ir_unop_u2f,      /**< Unsigned-to-float conversion. */