[Qemu-devel] [PATCH 1/2 for-2.6] target-sparc: fix Nucleus quad LDD 128 bit access for windowed registers

[Artyom Tarasenko <atar4qemu@gmail.com>]

Fix register offset calculation when regwptr is used.

Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com>
---
 target-sparc/ldst_helper.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/target-sparc/ldst_helper.c b/target-sparc/ldst_helper.c
index 2b0221c..a383074 100644
--- a/target-sparc/ldst_helper.c
+++ b/target-sparc/ldst_helper.c
@@ -2059,11 +2059,11 @@ void helper_ldda_asi(CPUSPARCState *env, target_ulong addr, int asi, int rd)
                 bswap64s(&env->gregs[rd + 1]);
             }
         } else {
-            env->regwptr[rd] = cpu_ldq_nucleus(env, addr);
-            env->regwptr[rd + 1] = cpu_ldq_nucleus(env, addr + 8);
+            env->regwptr[rd - 8] = cpu_ldq_nucleus(env, addr);
+            env->regwptr[rd + 1 - 8] = cpu_ldq_nucleus(env, addr + 8);
             if (asi == 0x2c) {
-                bswap64s(&env->regwptr[rd]);
-                bswap64s(&env->regwptr[rd + 1]);
+                bswap64s(&env->regwptr[rd - 8]);
+                bswap64s(&env->regwptr[rd + 1 - 8]);
             }
         }
         break;
@@ -2076,8 +2076,8 @@ void helper_ldda_asi(CPUSPARCState *env, target_ulong addr, int asi, int rd)
             env->gregs[rd] = helper_ld_asi(env, addr, asi, 4, 0);
             env->gregs[rd + 1] = helper_ld_asi(env, addr + 4, asi, 4, 0);
         } else {
-            env->regwptr[rd] = helper_ld_asi(env, addr, asi, 4, 0);
-            env->regwptr[rd + 1] = helper_ld_asi(env, addr + 4, asi, 4, 0);
+            env->regwptr[rd - 8] = helper_ld_asi(env, addr, asi, 4, 0);
+            env->regwptr[rd + 1 - 8] = helper_ld_asi(env, addr + 4, asi, 4, 0);
         }
         break;
     }
-- 
1.8.3.1