microblaze: cleanup helper_addkc

Remove unused addition and rename to helper_carry.

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

diff --git a/target-microblaze/helper.h b/target-microblaze/helper.h
index 9c2a1e4b6d11a64747636cca815a252805f596f6..1696b885b68957939727554dd41f5374ea69f7a8 100644 (file)
--- a/target-microblaze/helper.h
+++ b/target-microblaze/helper.h
@@ -2,7 +2,7 @@
 
 DEF_HELPER_1(raise_exception, void, i32)
 DEF_HELPER_0(debug, void)
-DEF_HELPER_FLAGS_3(addkc, TCG_CALL_PURE | TCG_CALL_CONST, i32, i32, i32, i32)
+DEF_HELPER_FLAGS_3(carry, TCG_CALL_PURE | TCG_CALL_CONST, i32, i32, i32, i32)
 DEF_HELPER_2(cmp, i32, i32, i32)
 DEF_HELPER_2(cmpu, i32, i32, i32)
 

diff --git a/target-microblaze/op_helper.c b/target-microblaze/op_helper.c
index 59e4674ded765c32558cd59fe05876aecae677c3..d75a53cc547396d7eaf88b4c536dcfcec9a5bbf6 100644 (file)
--- a/target-microblaze/op_helper.c
+++ b/target-microblaze/op_helper.c
@@ -128,12 +128,9 @@ uint32_t helper_cmpu(uint32_t a, uint32_t b)
     return t;
 }
 
-uint32_t helper_addkc(uint32_t a, uint32_t b, uint32_t cf)
+uint32_t helper_carry(uint32_t a, uint32_t b, uint32_t cf)
 {
-    uint32_t d, ncf;
-
-    d = a + b + cf;
-
+    uint32_t ncf;
     ncf = compute_carry(a, b, cf);
     return ncf;
 }

diff --git a/target-microblaze/translate.c b/target-microblaze/translate.c
index 0c5edc3583b70b88a6cf646d8c8eeec8a8f8c3e6..220743195cb66dd49c2cc2815ec7031c63fa712e 100644 (file)
--- a/target-microblaze/translate.c
+++ b/target-microblaze/translate.c
@@ -232,13 +232,13 @@ static void dec_add(DisasContext *dc)
 
     if (dc->rd) {
         TCGv ncf = tcg_temp_new();
-        gen_helper_addkc(ncf, cpu_R[dc->ra], *(dec_alu_op_b(dc)), cf);
+        gen_helper_carry(ncf, cpu_R[dc->ra], *(dec_alu_op_b(dc)), cf);
         tcg_gen_add_tl(cpu_R[dc->rd], cpu_R[dc->ra], *(dec_alu_op_b(dc)));
         tcg_gen_add_tl(cpu_R[dc->rd], cpu_R[dc->rd], cf);
         write_carry(dc, ncf);
         tcg_temp_free(ncf);
     } else {
-        gen_helper_addkc(cf, cpu_R[dc->ra], *(dec_alu_op_b(dc)), cf);
+        gen_helper_carry(cf, cpu_R[dc->ra], *(dec_alu_op_b(dc)), cf);
         write_carry(dc, cf);
     }
     tcg_temp_free(cf);
@@ -302,13 +302,13 @@ static void dec_sub(DisasContext *dc)
 
     if (dc->rd) {
         TCGv ncf = tcg_temp_new();
-        gen_helper_addkc(ncf, na, *(dec_alu_op_b(dc)), cf);
+        gen_helper_carry(ncf, na, *(dec_alu_op_b(dc)), cf);
         tcg_gen_add_tl(cpu_R[dc->rd], na, *(dec_alu_op_b(dc)));
         tcg_gen_add_tl(cpu_R[dc->rd], cpu_R[dc->rd], cf);
         write_carry(dc, ncf);
         tcg_temp_free(ncf);
     } else {
-        gen_helper_addkc(cf, na, *(dec_alu_op_b(dc)), cf);
+        gen_helper_carry(cf, na, *(dec_alu_op_b(dc)), cf);
         write_carry(dc, cf);
     }
     tcg_temp_free(cf);