microblaze: Improve subkc

Move code from the helper into the translator. The remaining
helper parts can reuse helper_addkc, making it possible to
remove helper_subkc entirely.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>

1 files changed, 0 insertions, 22 deletions

diff --git a/target-microblaze/op_helper.c b/target-microblaze/op_helper.c
index eb5a8b7df3..59e4674ded 100644
--- a/target-microblaze/op_helper.c
+++ b/target-microblaze/op_helper.c
@@ -138,28 +138,6 @@ uint32_t helper_addkc(uint32_t a, uint32_t b, uint32_t cf)
     return ncf;
 }
 
-uint32_t helper_subkc(uint32_t a, uint32_t b, uint32_t k, uint32_t c)
-{
-    uint32_t d, cf = 1, ncf;
-
-    if (c)
-        cf = env->sregs[SR_MSR] >> 31; 
-    assert(cf == 0 || cf == 1);
-    d = b + ~a + cf;
-
-    if (!k) {
-        ncf = compute_carry(b, ~a, cf);
-        assert(ncf == 0 || ncf == 1);
-        if (ncf)
-            env->sregs[SR_MSR] |= MSR_C | MSR_CC;
-        else
-            env->sregs[SR_MSR] &= ~(MSR_C | MSR_CC);
-    }
-    D(qemu_log("%x = %x + %x cf=%d ncf=%d k=%d c=%d\n",
-               d, a, b, cf, ncf, k, c));
-    return d;
-}
-
 static inline int div_prepare(uint32_t a, uint32_t b)
 {
     if (b == 0) {