diff options
Diffstat (limited to 'target-microblaze/op_helper.c')
| -rw-r--r-- | target-microblaze/op_helper.c | 20 |
1 files changed, 4 insertions, 16 deletions
diff --git a/target-microblaze/op_helper.c b/target-microblaze/op_helper.c index 97461aed6e..eb5a8b7df3 100644 --- a/target-microblaze/op_helper.c +++ b/target-microblaze/op_helper.c @@ -128,26 +128,14 @@ uint32_t helper_cmpu(uint32_t a, uint32_t b) return t; } -uint32_t helper_addkc(uint32_t a, uint32_t b, uint32_t k, uint32_t c) +uint32_t helper_addkc(uint32_t a, uint32_t b, uint32_t cf) { - uint32_t d, cf = 0, ncf; + uint32_t d, ncf; - if (c) - cf = env->sregs[SR_MSR] >> 31; - assert(cf == 0 || cf == 1); d = a + b + cf; - if (!k) { - ncf = compute_carry(a, b, 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; + ncf = compute_carry(a, b, cf); + return ncf; } uint32_t helper_subkc(uint32_t a, uint32_t b, uint32_t k, uint32_t c) |