tcg: Add opcode for ctpop

The number of actual invocations of ctpop itself does not warrent
an opcode, but it is very helpful for POWER7 to use in generating
an expansion for ctz.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>

1 files changed, 10 insertions, 0 deletions

diff --git a/tcg-runtime.c b/tcg-runtime.c
index c8b98dfd51..4c60c96658 100644
--- a/tcg-runtime.c
+++ b/tcg-runtime.c
@@ -131,6 +131,16 @@ uint64_t HELPER(clrsb_i64)(uint64_t arg)
     return clrsb64(arg);
 }
 
+uint32_t HELPER(ctpop_i32)(uint32_t arg)
+{
+    return ctpop32(arg);
+}
+
+uint64_t HELPER(ctpop_i64)(uint64_t arg)
+{
+    return ctpop64(arg);
+}
+
 void HELPER(exit_atomic)(CPUArchState *env)
 {
     cpu_loop_exit_atomic(ENV_GET_CPU(env), GETPC());