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X-Received-From: 2607:f8b0:4864:20::b44 Subject: [Qemu-devel] [RFC PATCH v4 10/75] target/i386: add vector register file alignment constraints X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jan Bobek , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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 Signed-off-by: Jan Bobek --- 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 5f6e3a029a..f226e61724 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -1202,9 +1202,9 @@ 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