i965/disasm: Decode Broadwell's invm/rsqrtm math functions.

We don't use these yet, but we may as well disassemble them.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>

src/mesa/drivers/dri/i965/brw_disasm.c

@@ -454,6 +454,8 @@ static const char *const math_function[16] = {
    [BRW_MATH_FUNCTION_INT_DIV_QUOTIENT_AND_REMAINDER] = "intdivmod",
    [BRW_MATH_FUNCTION_INT_DIV_QUOTIENT]  = "intdiv",
    [BRW_MATH_FUNCTION_INT_DIV_REMAINDER] = "intmod",
+   [GEN8_MATH_FUNCTION_INVM]  = "invm",
+   [GEN8_MATH_FUNCTION_RSQRTM] = "rsqrtm",
 };
 
 static const char *const math_saturate[2] = {