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[PATCH 10/30] tcg/loongarch: Implement goto_ptr
From: |
WANG Xuerui |
Subject: |
[PATCH 10/30] tcg/loongarch: Implement goto_ptr |
Date: |
Mon, 20 Sep 2021 16:04:31 +0800 |
Signed-off-by: WANG Xuerui <git@xen0n.name>
---
tcg/loongarch/tcg-target-con-set.h | 17 +++++++++++++++++
tcg/loongarch/tcg-target.c.inc | 15 +++++++++++++++
2 files changed, 32 insertions(+)
create mode 100644 tcg/loongarch/tcg-target-con-set.h
diff --git a/tcg/loongarch/tcg-target-con-set.h
b/tcg/loongarch/tcg-target-con-set.h
new file mode 100644
index 0000000000..5cc4407367
--- /dev/null
+++ b/tcg/loongarch/tcg-target-con-set.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Define LoongArch target-specific constraint sets.
+ *
+ * Copyright (c) 2021 WANG Xuerui <git@xen0n.name>
+ *
+ * Based on tcg/riscv/tcg-target-con-set.h
+ *
+ * Copyright (c) 2021 Linaro
+ */
+
+/*
+ * C_On_Im(...) defines a constraint set with <n> outputs and <m> inputs.
+ * Each operand should be a sequence of constraint letters as defined by
+ * tcg-target-con-str.h; the constraint combination is inclusive or.
+ */
+C_O0_I1(r)
diff --git a/tcg/loongarch/tcg-target.c.inc b/tcg/loongarch/tcg-target.c.inc
index 60783d7ddc..9d78146fb9 100644
--- a/tcg/loongarch/tcg-target.c.inc
+++ b/tcg/loongarch/tcg-target.c.inc
@@ -347,9 +347,24 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
tcg_out_mb(s, a0);
break;
+ case INDEX_op_goto_ptr:
+ tcg_out_opc_jirl(s, TCG_REG_ZERO, a0, 0);
+ break;
+
case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */
case INDEX_op_mov_i64:
default:
g_assert_not_reached();
}
}
+
+static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
+{
+ switch (op) {
+ case INDEX_op_goto_ptr:
+ return C_O0_I1(r);
+
+ default:
+ g_assert_not_reached();
+ }
+}
--
2.33.0
- Re: [PATCH 18/30] tcg/loongarch: Implement mul/mulsh/muluh/div/divu/rem/remu ops, (continued)
- [PATCH 08/30] tcg/loongarch: Implement the memory barrier op, WANG Xuerui, 2021/09/20
- [PATCH 24/30] tcg/loongarch: Implement tcg_target_qemu_prologue, WANG Xuerui, 2021/09/20
- [PATCH 28/30] configure, meson.build: Mark support for 64-bit LoongArch hosts, WANG Xuerui, 2021/09/20
- [PATCH 23/30] tcg/loongarch: Add softmmu load/store helpers, implement qemu_ld/qemu_st ops, WANG Xuerui, 2021/09/20
- [PATCH 07/30] tcg/loongarch: Implement necessary relocation operations, WANG Xuerui, 2021/09/20
- [PATCH 10/30] tcg/loongarch: Implement goto_ptr,
WANG Xuerui <=
- [PATCH 16/30] tcg/loongarch: Implement shl/shr/sar/rotl/rotr ops, WANG Xuerui, 2021/09/20
- [PATCH 03/30] tcg/loongarch: Add the tcg-target.h file, WANG Xuerui, 2021/09/20
- [PATCH 22/30] tcg/loongarch: Implement simple load/store ops, WANG Xuerui, 2021/09/20
- [PATCH 26/30] tcg/loongarch: Implement tcg_target_init, WANG Xuerui, 2021/09/20