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[Qemu-devel] [PATCH] target/arm: Fix PC test for LDM (exception return)


From: Richard Henderson
Subject: [Qemu-devel] [PATCH] target/arm: Fix PC test for LDM (exception return)
Date: Fri, 1 Mar 2019 12:29:21 -0800

Found by inspection: Rn is the base register against which the
load began; I is the register within the mask being processed.
The exception return should of course be procesed from the loaded PC.

Signed-off-by: Richard Henderson <address@hidden>
---
 target/arm/translate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/arm/translate.c b/target/arm/translate.c
index 8f7f5b95aa..ad879e3480 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -10612,7 +10612,7 @@ static void disas_arm_insn(DisasContext *s, unsigned 
int insn)
                             } else if (i == rn) {
                                 loaded_var = tmp;
                                 loaded_base = 1;
-                            } else if (rn == 15 && exc_return) {
+                            } else if (i == 15 && exc_return) {
                                 store_pc_exc_ret(s, tmp);
                             } else {
                                 store_reg_from_load(s, i, tmp);
-- 
2.17.2




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