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[Qemu-riscv] [RFC v1 10/23] riscv: tcg-target: Add the instruction emitt


From: Alistair Francis
Subject: [Qemu-riscv] [RFC v1 10/23] riscv: tcg-target: Add the instruction emitters
Date: Thu, 15 Nov 2018 22:35:23 +0000

Signed-off-by: Alistair Francis <address@hidden>
Signed-off-by: Michael Clark <address@hidden>
---
 tcg/riscv/tcg-target.inc.c | 40 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/tcg/riscv/tcg-target.inc.c b/tcg/riscv/tcg-target.inc.c
index 5319f7ade5..d402e48cbf 100644
--- a/tcg/riscv/tcg-target.inc.c
+++ b/tcg/riscv/tcg-target.inc.c
@@ -331,6 +331,46 @@ static int32_t encode_uj(RISCVInsn opc, TCGReg rd, 
uint32_t imm)
     return opc | (rd & 0x1f) << 7 | encode_ujimm12(imm);
 }
 
+/*
+ * RISC-V instruction emitters
+ */
+
+static void tcg_out_opc_reg(TCGContext *s, RISCVInsn opc,
+                            TCGReg rd, TCGReg rs1, TCGReg rs2)
+{
+    tcg_out32(s, encode_r(opc, rd, rs1, rs2));
+}
+
+static void tcg_out_opc_imm(TCGContext *s, RISCVInsn opc,
+                            TCGReg rd, TCGReg rs1, TCGArg imm)
+{
+    tcg_out32(s, encode_i(opc, rd, rs1, imm));
+}
+
+static void tcg_out_opc_store(TCGContext *s, RISCVInsn opc,
+                              TCGReg rs1, TCGReg rs2, uint32_t imm)
+{
+    tcg_out32(s, encode_s(opc, rs1, rs2, imm));
+}
+
+static void tcg_out_opc_branch(TCGContext *s, RISCVInsn opc,
+                               TCGReg rs1, TCGReg rs2, uint32_t imm)
+{
+    tcg_out32(s, encode_sb(opc, rs1, rs2, imm));
+}
+
+static void tcg_out_opc_upper(TCGContext *s, RISCVInsn opc,
+                              TCGReg rd, uint32_t imm)
+{
+    tcg_out32(s, encode_u(opc, rd, imm));
+}
+
+static void tcg_out_opc_jump(TCGContext *s, RISCVInsn opc,
+                             TCGReg rd, uint32_t imm)
+{
+    tcg_out32(s, encode_uj(opc, rd, imm));
+}
+
 void tb_target_set_jmp_target(uintptr_t tc_ptr, uintptr_t jmp_addr,
                               uintptr_t addr)
 {
-- 
2.19.1




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