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[Qemu-devel] [PATCH v4 4/7] tcg/ppc: Support vector dup2
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v4 4/7] tcg/ppc: Support vector dup2 |
Date: |
Sat, 18 May 2019 21:15:19 -0700 |
This is only used for 32-bit hosts.
Signed-off-by: Richard Henderson <address@hidden>
---
tcg/ppc/tcg-target.inc.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/tcg/ppc/tcg-target.inc.c b/tcg/ppc/tcg-target.inc.c
index 9d58db9eb1..3219df2e90 100644
--- a/tcg/ppc/tcg-target.inc.c
+++ b/tcg/ppc/tcg-target.inc.c
@@ -3120,6 +3120,14 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
}
break;
+ case INDEX_op_dup2_vec:
+ assert(TCG_TARGET_REG_BITS == 32);
+ /* With inputs a1 = xLxx, a2 = xHxx */
+ tcg_out32(s, VMRGHW | VRT(a0) | VRA(a2) | VRB(a1)); /* a0 = xxHL */
+ tcg_out_vsldoi(s, TCG_VEC_TMP1, a0, a0, 8); /* tmp = HLxx */
+ tcg_out_vsldoi(s, a0, a0, TCG_VEC_TMP1, 8); /* a0 = HLHL */
+ return;
+
case INDEX_op_ppc_mrgh_vec:
insn = mrgh_op[vece];
break;
@@ -3498,6 +3506,7 @@ static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode
op)
case INDEX_op_ppc_mulou_vec:
case INDEX_op_ppc_pkum_vec:
case INDEX_op_ppc_rotl_vec:
+ case INDEX_op_dup2_vec:
return &v_v_v;
case INDEX_op_not_vec:
case INDEX_op_dup_vec:
--
2.17.1
- [Qemu-devel] [PATCH v4 0/7] tcg/ppc: Add vector opcodes, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v4 7/7] tcg/ppc: Update vector support to v3.00, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v4 6/7] tcg/ppc: Update vector support to v2.07, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v4 4/7] tcg/ppc: Support vector dup2,
Richard Henderson <=
- [Qemu-devel] [PATCH v4 5/7] tcg/ppc: Update vector support to v2.06, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v4 3/7] tcg/ppc: Support vector multiply, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v4 1/7] tcg/ppc: Initial backend support for Altivec, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v4 2/7] tcg/ppc: Support vector shift by immediate, Richard Henderson, 2019/05/19