[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [RFC PATCH v2 10/39] target/i386: add vector register file
From: |
Jan Bobek |
Subject: |
[Qemu-devel] [RFC PATCH v2 10/39] target/i386: add vector register file alignment constraints |
Date: |
Sat, 10 Aug 2019 00:12:26 -0400 |
gvec operations require that all vectors be aligned on 16-byte
boundary; make sure the MM/XMM/YMM/ZMM register file is aligned as
neccessary.
Reviewed-by: Richard Henderson <address@hidden>
Signed-off-by: Jan Bobek <address@hidden>
---
target/i386/cpu.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index 8b3dc5533e..cb407b86ba 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -1199,9 +1199,9 @@ typedef struct CPUX86State {
float_status mmx_status; /* for 3DNow! float ops */
float_status sse_status;
uint32_t mxcsr;
- ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32];
- ZMMReg xmm_t0;
- MMXReg mmx_t0;
+ ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32] QEMU_ALIGNED(16);
+ ZMMReg xmm_t0 QEMU_ALIGNED(16);
+ MMXReg mmx_t0 QEMU_ALIGNED(8);
XMMReg ymmh_regs[CPU_NB_REGS];
--
2.20.1
- [Qemu-devel] [RFC PATCH v2 03/39] target/i386: reduce scope of variable aflag, (continued)
- [Qemu-devel] [RFC PATCH v2 03/39] target/i386: reduce scope of variable aflag, Jan Bobek, 2019/08/10
- [Qemu-devel] [RFC PATCH v2 01/39] target/i386: Push rex_r into DisasContext, Jan Bobek, 2019/08/10
- [Qemu-devel] [RFC PATCH v2 05/39] target/i386: use prefix from DisasContext, Jan Bobek, 2019/08/10
- [Qemu-devel] [RFC PATCH v2 08/39] target/i386: make variable b1 const, Jan Bobek, 2019/08/10
- [Qemu-devel] [RFC PATCH v2 06/39] target/i386: Simplify gen_exception arguments, Jan Bobek, 2019/08/10
- [Qemu-devel] [RFC PATCH v2 09/39] target/i386: make variable is_xmm const, Jan Bobek, 2019/08/10
- [Qemu-devel] [RFC PATCH v2 10/39] target/i386: add vector register file alignment constraints,
Jan Bobek <=
- [Qemu-devel] [RFC PATCH v2 04/39] target/i386: use dflag from DisasContext, Jan Bobek, 2019/08/10
- [Qemu-devel] [RFC PATCH v2 07/39] target/i386: use pc_start from DisasContext, Jan Bobek, 2019/08/10
- [Qemu-devel] [RFC PATCH v2 11/39] target/i386: introduce gen_(ld, st)d_env_A0, Jan Bobek, 2019/08/10
- [Qemu-devel] [RFC PATCH v2 13/39] target/i386: disable unused function warning temporarily, Jan Bobek, 2019/08/10
- [Qemu-devel] [RFC PATCH v2 14/39] target/i386: introduce mnemonic aliases for several gvec operations, Jan Bobek, 2019/08/10
- [Qemu-devel] [RFC PATCH v2 12/39] target/i386: introduce gen_sse_ng, Jan Bobek, 2019/08/10