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[Qemu-devel] [PATCH 04/10] target-s390x: fix setcc in TCG mode
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [PATCH 04/10] target-s390x: fix setcc in TCG mode |
Date: |
Mon, 15 Jun 2015 17:57:03 +0200 |
In TCG mode we should store the CC value in env->cc_op. However do it
inconditionnaly because:
- the tcg_enabled function is not inlined
- it's probably faster to always store the value, especially given it
is likely in the same cache line than env->psw.mask.
Cc: Alexander Graf <address@hidden>
Cc: Richard Henderson <address@hidden>
Signed-off-by: Aurelien Jarno <address@hidden>
---
target-s390x/cpu.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h
index 08a79dd..93f66f9 100644
--- a/target-s390x/cpu.h
+++ b/target-s390x/cpu.h
@@ -709,6 +709,7 @@ static inline void setcc(S390CPU *cpu, uint64_t cc)
env->psw.mask &= ~(3ull << 44);
env->psw.mask |= (cc & 3) << 44;
+ env->cc_op = cc;
}
typedef struct LowCore
--
2.1.4
- [Qemu-devel] [PATCH 00/10] target-s390x: add support for CCW in TCG mode, Aurelien Jarno, 2015/06/15
- [Qemu-devel] [PATCH 02/10] s390/ioinst: fix endianness in ioinst_schib_valid, Aurelien Jarno, 2015/06/15
- [Qemu-devel] [PATCH 07/10] target-s390x: fix s390_cpu_initial_reset, Aurelien Jarno, 2015/06/15
- [Qemu-devel] [PATCH 06/10] target-s390x: initialize I/O interrupt queue, Aurelien Jarno, 2015/06/15
- [Qemu-devel] [PATCH 05/10] target-s390x: correctly initialize ext interrupt queue, Aurelien Jarno, 2015/06/15
- [Qemu-devel] [PATCH 01/10] s390/ioinst: fix IO_INT_WORD_ISC macro, Aurelien Jarno, 2015/06/15
- [Qemu-devel] [PATCH 08/10] target-s390x: wire up DIAG IPL in TCG mode, Aurelien Jarno, 2015/06/15
- [Qemu-devel] [PATCH 03/10] virtio-ccw: disable ioevent bit when ioeventfds are not enabled, Aurelien Jarno, 2015/06/15
- [Qemu-devel] [PATCH 10/10] target-s390x: wire up I/O instructions in TCG mode, Aurelien Jarno, 2015/06/15
- [Qemu-devel] [PATCH 04/10] target-s390x: fix setcc in TCG mode,
Aurelien Jarno <=
- [Qemu-devel] [PATCH 09/10] target-s390x: wire up DIAG REIPL in TCG mode, Aurelien Jarno, 2015/06/15
- Re: [Qemu-devel] [PATCH 00/10] target-s390x: add support for CCW in TCG mode, Alexander Graf, 2015/06/16