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Re: [PATCH v2 25/35] target/riscv: Only set TB flags with FP status if e


From: Palmer Dabbelt
Subject: Re: [PATCH v2 25/35] target/riscv: Only set TB flags with FP status if enabled
Date: Thu, 13 Feb 2020 10:31:26 -0800 (PST)

On Fri, 31 Jan 2020 17:02:41 PST (-0800), Alistair Francis wrote:
Signed-off-by: Alistair Francis <address@hidden>
---
 target/riscv/cpu.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
index 5b889a0065..aa04e5cca7 100644
--- a/target/riscv/cpu.h
+++ b/target/riscv/cpu.h
@@ -332,7 +332,10 @@ static inline void cpu_get_tb_cpu_state(CPURISCVState 
*env, target_ulong *pc,
 #ifdef CONFIG_USER_ONLY
     *flags = TB_FLAGS_MSTATUS_FS;
 #else
-    *flags = cpu_mmu_index(env, 0) | (env->mstatus & MSTATUS_FS);
+    *flags = cpu_mmu_index(env, 0);
+    if (riscv_cpu_fp_enabled(env)) {
+        *flags |= env->mstatus & MSTATUS_FS;
+    }
 #endif
 }

Reviewed-by: Palmer Dabbelt <address@hidden>



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