diff mbox series

[v4,04/36] tcg: Introduce tcg_out_addi_ptr

Message ID 20230108023719.2466341-5-richard.henderson@linaro.org
State Superseded
Headers show
Series tcg: Support for Int128 with helpers | expand

Commit Message

Richard Henderson Jan. 8, 2023, 2:36 a.m. UTC 
Implement the function for arm, i386, and s390x, which will use it.
Add stubs for all other backends.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/tcg.c                        |  2 ++
 tcg/aarch64/tcg-target.c.inc     |  7 +++++++
 tcg/arm/tcg-target.c.inc         | 20 ++++++++++++++++++++
 tcg/i386/tcg-target.c.inc        |  8 ++++++++
 tcg/loongarch64/tcg-target.c.inc |  7 +++++++
 tcg/mips/tcg-target.c.inc        |  7 +++++++
 tcg/ppc/tcg-target.c.inc         |  7 +++++++
 tcg/riscv/tcg-target.c.inc       |  7 +++++++
 tcg/s390x/tcg-target.c.inc       |  7 +++++++
 tcg/sparc64/tcg-target.c.inc     |  7 +++++++
 tcg/tci/tcg-target.c.inc         |  7 +++++++
 11 files changed, 86 insertions(+)

Comments

Alex Bennée Jan. 25, 2023, 8:31 a.m. UTC | #1 
Richard Henderson <richard.henderson@linaro.org> writes:

> Implement the function for arm, i386, and s390x, which will use it.
> Add stubs for all other backends.
>
> Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
diff mbox series

Patch

diff --git a/tcg/tcg.c b/tcg/tcg.c
index 7e69e2c9fd..a6c2783285 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -103,6 +103,8 @@  static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg1,
 static bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg);
 static void tcg_out_movi(TCGContext *s, TCGType type,
                          TCGReg ret, tcg_target_long arg);
+static void tcg_out_addi_ptr(TCGContext *s, TCGReg, TCGReg, tcg_target_long)
+    __attribute__((unused));
 static void tcg_out_op(TCGContext *s, TCGOpcode opc,
                        const TCGArg args[TCG_MAX_OP_ARGS],
                        const int const_args[TCG_MAX_OP_ARGS]);
diff --git a/tcg/aarch64/tcg-target.c.inc b/tcg/aarch64/tcg-target.c.inc
index ad1816e32d..2279a14c11 100644
--- a/tcg/aarch64/tcg-target.c.inc
+++ b/tcg/aarch64/tcg-target.c.inc
@@ -1102,6 +1102,13 @@  static void tcg_out_movi(TCGContext *s, TCGType type, TCGReg rd,
     tcg_out_insn(s, 3305, LDR, 0, rd);
 }
 
+static void tcg_out_addi_ptr(TCGContext *s, TCGReg rd, TCGReg rs,
+                             tcg_target_long imm)
+{
+    /* This function is only used for passing structs by reference. */
+    g_assert_not_reached();
+}
+
 /* Define something more legible for general use.  */
 #define tcg_out_ldst_r  tcg_out_insn_3310
 
diff --git a/tcg/arm/tcg-target.c.inc b/tcg/arm/tcg-target.c.inc
index 9245ea86d0..8b24481d8c 100644
--- a/tcg/arm/tcg-target.c.inc
+++ b/tcg/arm/tcg-target.c.inc
@@ -2540,6 +2540,26 @@  static void tcg_out_movi(TCGContext *s, TCGType type,
     tcg_out_movi32(s, COND_AL, ret, arg);
 }
 
+static void tcg_out_addi_ptr(TCGContext *s, TCGReg rd, TCGReg rs,
+                             tcg_target_long imm)
+{
+    int enc, opc = ARITH_ADD;
+
+    /* All of the easiest immediates to encode are positive. */
+    if (imm < 0) {
+        imm = -imm;
+        opc = ARITH_SUB;
+    }
+    enc = encode_imm(imm);
+    if (enc >= 0) {
+        tcg_out_dat_imm(s, COND_AL, opc, rd, rs, enc);
+    } else {
+        tcg_out_movi32(s, COND_AL, TCG_REG_TMP, imm);
+        tcg_out_dat_reg(s, COND_AL, opc, rd, rs,
+                        TCG_REG_TMP, SHIFT_IMM_LSL(0));
+    }
+}
+
 /* Type is always V128, with I64 elements.  */
 static void tcg_out_dup2_vec(TCGContext *s, TCGReg rd, TCGReg rl, TCGReg rh)
 {
diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc
index 58bd5873f5..6a021dda8b 100644
--- a/tcg/i386/tcg-target.c.inc
+++ b/tcg/i386/tcg-target.c.inc
@@ -1069,6 +1069,14 @@  static void tcg_out_movi(TCGContext *s, TCGType type,
     }
 }
 
+static void tcg_out_addi_ptr(TCGContext *s, TCGReg rd, TCGReg rs,
+                             tcg_target_long imm)
+{
+    /* This function is only used for passing structs by reference. */
+    tcg_debug_assert(TCG_TARGET_REG_BITS == 32);
+    tcg_out_modrm_offset(s, OPC_LEA, rd, rs, imm);
+}
+
 static inline void tcg_out_pushi(TCGContext *s, tcg_target_long val)
 {
     if (val == (int8_t)val) {
diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc
index c9e99e8ec3..54b1dcd911 100644
--- a/tcg/loongarch64/tcg-target.c.inc
+++ b/tcg/loongarch64/tcg-target.c.inc
@@ -389,6 +389,13 @@  static void tcg_out_movi(TCGContext *s, TCGType type, TCGReg rd,
     }
 }
 
+static void tcg_out_addi_ptr(TCGContext *s, TCGReg rd, TCGReg rs,
+                             tcg_target_long imm)
+{
+    /* This function is only used for passing structs by reference. */
+    g_assert_not_reached();
+}
+
 static void tcg_out_ext8u(TCGContext *s, TCGReg ret, TCGReg arg)
 {
     tcg_out_opc_andi(s, ret, arg, 0xff);
diff --git a/tcg/mips/tcg-target.c.inc b/tcg/mips/tcg-target.c.inc
index 292e490b5c..22b5463f0f 100644
--- a/tcg/mips/tcg-target.c.inc
+++ b/tcg/mips/tcg-target.c.inc
@@ -550,6 +550,13 @@  static void tcg_out_movi(TCGContext *s, TCGType type,
     }
 }
 
+static void tcg_out_addi_ptr(TCGContext *s, TCGReg rd, TCGReg rs,
+                             tcg_target_long imm)
+{
+    /* This function is only used for passing structs by reference. */
+    g_assert_not_reached();
+}
+
 static void tcg_out_bswap16(TCGContext *s, TCGReg ret, TCGReg arg, int flags)
 {
     /* ret and arg can't be register tmp0 */
diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc
index e0621463f6..bf3812eb8d 100644
--- a/tcg/ppc/tcg-target.c.inc
+++ b/tcg/ppc/tcg-target.c.inc
@@ -1125,6 +1125,13 @@  static void tcg_out_movi(TCGContext *s, TCGType type, TCGReg ret,
     }
 }
 
+static void tcg_out_addi_ptr(TCGContext *s, TCGReg rd, TCGReg rs,
+                             tcg_target_long imm)
+{
+    /* This function is only used for passing structs by reference. */
+    g_assert_not_reached();
+}
+
 static bool mask_operand(uint32_t c, int *mb, int *me)
 {
     uint32_t lsb, test;
diff --git a/tcg/riscv/tcg-target.c.inc b/tcg/riscv/tcg-target.c.inc
index f741e0582d..b961972b9f 100644
--- a/tcg/riscv/tcg-target.c.inc
+++ b/tcg/riscv/tcg-target.c.inc
@@ -558,6 +558,13 @@  static void tcg_out_movi(TCGContext *s, TCGType type, TCGReg rd,
     tcg_out_opc_imm(s, OPC_LD, rd, rd, 0);
 }
 
+static void tcg_out_addi_ptr(TCGContext *s, TCGReg rd, TCGReg rs,
+                             tcg_target_long imm)
+{
+    /* This function is only used for passing structs by reference. */
+    g_assert_not_reached();
+}
+
 static void tcg_out_ext8u(TCGContext *s, TCGReg ret, TCGReg arg)
 {
     tcg_out_opc_imm(s, OPC_ANDI, ret, arg, 0xff);
diff --git a/tcg/s390x/tcg-target.c.inc b/tcg/s390x/tcg-target.c.inc
index b9ba7b605e..d65cd79899 100644
--- a/tcg/s390x/tcg-target.c.inc
+++ b/tcg/s390x/tcg-target.c.inc
@@ -1020,6 +1020,13 @@  static inline bool tcg_out_sti(TCGContext *s, TCGType type, TCGArg val,
     return false;
 }
 
+static void tcg_out_addi_ptr(TCGContext *s, TCGReg rd, TCGReg rs,
+                             tcg_target_long imm)
+{
+    /* This function is only used for passing structs by reference. */
+    tcg_out_mem(s, RX_LA, RXY_LAY, rd, rs, TCG_REG_NONE, imm);
+}
+
 /* load data from an absolute host address */
 static void tcg_out_ld_abs(TCGContext *s, TCGType type,
                            TCGReg dest, const void *abs)
diff --git a/tcg/sparc64/tcg-target.c.inc b/tcg/sparc64/tcg-target.c.inc
index eb913f33c8..f6a8a8e605 100644
--- a/tcg/sparc64/tcg-target.c.inc
+++ b/tcg/sparc64/tcg-target.c.inc
@@ -497,6 +497,13 @@  static void tcg_out_movi(TCGContext *s, TCGType type,
     tcg_out_movi_int(s, type, ret, arg, false, TCG_REG_T2);
 }
 
+static void tcg_out_addi_ptr(TCGContext *s, TCGReg rd, TCGReg rs,
+                             tcg_target_long imm)
+{
+    /* This function is only used for passing structs by reference. */
+    g_assert_not_reached();
+}
+
 static void tcg_out_ldst_rr(TCGContext *s, TCGReg data, TCGReg a1,
                             TCGReg a2, int op)
 {
diff --git a/tcg/tci/tcg-target.c.inc b/tcg/tci/tcg-target.c.inc
index d36a7ebdd1..633345d74b 100644
--- a/tcg/tci/tcg-target.c.inc
+++ b/tcg/tci/tcg-target.c.inc
@@ -557,6 +557,13 @@  static void tcg_out_movi(TCGContext *s, TCGType type,
     }
 }
 
+static void tcg_out_addi_ptr(TCGContext *s, TCGReg rd, TCGReg rs,
+                             tcg_target_long imm)
+{
+    /* This function is only used for passing structs by reference. */
+    g_assert_not_reached();
+}
+
 static void tcg_out_call(TCGContext *s, const tcg_insn_unit *func,
                          const TCGHelperInfo *info)
 {