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authorEdgar E. Iglesias <edgar.iglesias@gmail.com>2011-01-22 12:39:16 +0100
committerEdgar E. Iglesias <edgar.iglesias@gmail.com>2011-01-22 12:39:16 +0100
commite0a42ebc0831e3ae18e965cc202b5d6649cc38f2 (patch)
tree1b2158cd5d44b15e573794edfc47a8d2e9e70986 /target-microblaze/op_helper.c
parent7e9e4330080f40a964cfed2b334b5e231e967792 (diff)
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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>
Diffstat (limited to 'target-microblaze/op_helper.c')
-rw-r--r--target-microblaze/op_helper.c22
1 files changed, 0 insertions, 22 deletions
diff --git a/target-microblaze/op_helper.c b/target-microblaze/op_helper.c
index eb5a8b7..59e4674 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) {