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[Qemu-devel] [PATCH 09/13] target-arm: Handle UNDEF cases for VEXT
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PATCH 09/13] target-arm: Handle UNDEF cases for VEXT |
Date: |
Mon, 11 Apr 2011 16:26:19 +0100 |
VEXT must UNDEF if Q == 1 && (Vd<0> == 1 || Vr<0> == 1 || Vm<0> == 1)
Signed-off-by: Peter Maydell <address@hidden>
---
target-arm/translate.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/target-arm/translate.c b/target-arm/translate.c
index 15c2015..f47e5ea 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -5514,6 +5514,10 @@ static int disas_neon_data_insn(CPUState * env,
DisasContext *s, uint32_t insn)
if (imm > 7 && !q)
return 1;
+ if (q && ((rd | rn | rm) & 1)) {
+ return 1;
+ }
+
if (imm == 0) {
neon_load_reg64(cpu_V0, rn);
if (q) {
--
1.7.1
- [Qemu-devel] [PATCH 00/13] ARM: Handle UNDEF cases in Neon data processing insns, Peter Maydell, 2011/04/11
- [Qemu-devel] [PATCH 03/13] target-arm: Simplify three-register pairwise code, Peter Maydell, 2011/04/11
- [Qemu-devel] [PATCH 08/13] target-arm: Handle UNDEF cases for Neon 2 regs + scalar forms, Peter Maydell, 2011/04/11
- [Qemu-devel] [PATCH 11/13] target-arm: Handle UNDEF cases for Neon 2 register misc forms, Peter Maydell, 2011/04/11
- [Qemu-devel] [PATCH 09/13] target-arm: Handle UNDEF cases for VEXT,
Peter Maydell <=
- [Qemu-devel] [PATCH 12/13] target-arm: Treat UNPREDICTABLE VTBL, VTBX case as UNDEF, Peter Maydell, 2011/04/11
- [Qemu-devel] [PATCH 05/13] target-arm: Collapse VSRI case into VSHL, VSLI, Peter Maydell, 2011/04/11
- [Qemu-devel] [PATCH 13/13] target-arm: Handle UNDEF cases for VDUP (scalar), Peter Maydell, 2011/04/11
- [Qemu-devel] [PATCH 06/13] target-arm: Handle UNDEF cases for Neon invalid modified-immediates, Peter Maydell, 2011/04/11
- [Qemu-devel] [PATCH 01/13] target-arm: Use lookup table for size check on Neon 3-reg-same insns, Peter Maydell, 2011/04/11
- [Qemu-devel] [PATCH 07/13] target-arm: Handle UNDEF cases for Neon 3-regs-different-widths, Peter Maydell, 2011/04/11
- [Qemu-devel] [PATCH 10/13] target-arm: Simplify checking of size field in Neon 2reg-misc forms, Peter Maydell, 2011/04/11
- [Qemu-devel] [PATCH 02/13] target-arm: Handle UNDEF cases for Neon 3-regs-same insns, Peter Maydell, 2011/04/11
- [Qemu-devel] [PATCH 04/13] target-arm: Handle UNDEF cases for Neon "2 regs and shift" insns, Peter Maydell, 2011/04/11