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[Qemu-devel] [PULL for v2.9 06/10] target/mips: fix delay slot detection


From: Yongbok Kim
Subject: [Qemu-devel] [PULL for v2.9 06/10] target/mips: fix delay slot detection in gen_msa_branch()
Date: Mon, 20 Mar 2017 13:00:22 +0000

It is unnecessary to test R6 from delay/forbidden slot check
in gen_msa_branch().

https://bugs.launchpad.net/qemu/+bug/1663287

Reported-by: Brian Campbell <address@hidden>
Signed-off-by: Yongbok Kim <address@hidden>
---
 target/mips/translate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/mips/translate.c b/target/mips/translate.c
index 78b7264..3022f34 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -18162,7 +18162,7 @@ static void gen_msa_branch(CPUMIPSState *env, 
DisasContext *ctx, uint32_t op1)
 
     check_msa_access(ctx);
 
-    if (ctx->insn_flags & ISA_MIPS32R6 && ctx->hflags & MIPS_HFLAG_BMASK) {
+    if (ctx->hflags & MIPS_HFLAG_BMASK) {
         generate_exception_end(ctx, EXCP_RI);
         return;
     }
-- 
2.7.4




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