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[Qemu-devel] [PATCH 6/8] target-arm: Fix Neon VQ(R)SHRN instructions.
From: |
christophe.lyon |
Subject: |
[Qemu-devel] [PATCH 6/8] target-arm: Fix Neon VQ(R)SHRN instructions. |
Date: |
Mon, 31 Jan 2011 19:06:44 +0100 |
From: Christophe Lyon <address@hidden>
Handle unsigned variant of VQ(R)SHRN instructions.
Signed-off-by: Christophe Lyon <address@hidden>
---
target-arm/translate.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/target-arm/translate.c b/target-arm/translate.c
index a614e34..61d4c4c 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -4865,8 +4865,12 @@ static int disas_neon_data_insn(CPUState * env,
DisasContext *s, uint32_t insn)
} else { /* VSHRN / VRSHRN */
gen_neon_narrow(size - 1, tmp, cpu_V0);
}
- } else { /* VQSHRN / VQRSHRN */
- gen_neon_narrow_satu(size - 1, tmp, cpu_V0);
+ } else {
+ if (u) { /* VQSHRUN / VQRSHRUN */
+ gen_neon_narrow_satu(size - 1, tmp, cpu_V0);
+ } else { /* VQSHRN / VQRSHRN */
+ gen_neon_narrow_sats(size - 1, tmp, cpu_V0);
+ }
}
neon_store_reg(rd, pass, tmp);
} /* for pass */
--
1.7.2.3
- [Qemu-devel] [PATCH v2 0/8] target-arm: Fix Neon instructions VQMOVUN VQRSHL VQRSHRN VQRSHRUN VQSHRN VQSHRUN VSLI VSRI, christophe.lyon, 2011/01/31
- [Qemu-devel] [PATCH 1/8] target-arm: Fixes for several shift instructions: VRSHL, VRSHR, VRSHRN, VSHLL, VRSRA., christophe.lyon, 2011/01/31
- [Qemu-devel] [PATCH 4/8] target-arm: fiddle decoding of 64 bit shift by imm and narrow, christophe.lyon, 2011/01/31
- [Qemu-devel] [PATCH 2/8] target-arm: Create and use neon_unarrow_sat* helpers, christophe.lyon, 2011/01/31
- [Qemu-devel] [PATCH 8/8] target-arm: Fix VQRSHL Neon instructions (signed/unsigned 64 bits and signed 32 bits variants)., christophe.lyon, 2011/01/31
- [Qemu-devel] [PATCH 6/8] target-arm: Fix Neon VQ(R)SHRN instructions.,
christophe.lyon <=
- [Qemu-devel] [PATCH 5/8] target-arm: fix neon vqrshl instruction, christophe.lyon, 2011/01/31
- [Qemu-devel] [PATCH 3/8] target-arm: VQRSHRN related changes, christophe.lyon, 2011/01/31
- [Qemu-devel] [PATCH 7/8] target-arm: implement vsli.64, vsri.64, christophe.lyon, 2011/01/31