target-ppc: Implement mulldo with TCG

Optimize mulldo by using the muls2_i64 operation rather than a helper.  Eliminate
the obsolete helper code.

Signed-off-by: Tom Musta <tommusta@gmail.com>
Suggested-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Alexander Graf <agraf@suse.de>

1 files changed, 0 insertions, 27 deletions

diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c
index e5b103b0ec..713d777076 100644
--- a/target-ppc/int_helper.c
+++ b/target-ppc/int_helper.c
@@ -24,33 +24,6 @@
 #include "helper_regs.h"
 /*****************************************************************************/
 /* Fixed point operations helpers */
-#if defined(TARGET_PPC64)
-
-uint64_t helper_mulldo(CPUPPCState *env, uint64_t arg1, uint64_t arg2)
-{
-    int64_t th;
-    uint64_t tl;
-
-    muls64(&tl, (uint64_t *)&th, arg1, arg2);
-
-    /* th should either contain all 1 bits or all 0 bits and should
-     * match the sign bit of tl; otherwise we have overflowed. */
-
-    if ((int64_t)tl < 0) {
-        if (likely(th == -1LL)) {
-            env->ov = 0;
-        } else {
-            env->so = env->ov = 1;
-        }
-    } else if (likely(th == 0LL)) {
-        env->ov = 0;
-    } else {
-        env->so = env->ov = 1;
-    }
-
-    return (int64_t)tl;
-}
-#endif
 
 target_ulong helper_divweu(CPUPPCState *env, target_ulong ra, target_ulong rb,
                            uint32_t oe)