Use existing helper function to implement popcntd instruction

[qemu.git] / target-ppc / op_helper.c

diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index b1b883d0a7bccbedf1256594e953d186d0eae028..5882becbc96e4d36d20c1817c1aeb7da3574a8c0 100644 (file)
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -528,19 +528,7 @@ target_ulong helper_popcntw (target_ulong val)
 
 target_ulong helper_popcntd (target_ulong val)
 {
-    val = (val & 0x5555555555555555ULL) + ((val >>  1) &
-                                           0x5555555555555555ULL);
-    val = (val & 0x3333333333333333ULL) + ((val >>  2) &
-                                           0x3333333333333333ULL);
-    val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >>  4) &
-                                           0x0f0f0f0f0f0f0f0fULL);
-    val = (val & 0x00ff00ff00ff00ffULL) + ((val >>  8) &
-                                           0x00ff00ff00ff00ffULL);
-    val = (val & 0x0000ffff0000ffffULL) + ((val >> 16) &
-                                           0x0000ffff0000ffffULL);
-    val = (val & 0x00000000ffffffffULL) + ((val >> 32) &
-                                           0x00000000ffffffffULL);
-    return val;
+    return ctpop64(val);
 }
 #else
 target_ulong helper_popcntb (target_ulong val)