[Qemu-devel] [PATCH RFC 1/7] tcg: add support for 128bit vector type

[Kirill Batuzov]

Introduce TCG_TYPE_V128 and corresponding TCGv_v128 for TCG temps. Add wrapper
functions that work with temps of this new type.

Signed-off-by: Kirill Batuzov <address@hidden>
---
 tcg/tcg-op.h |   23 +++++++++++++++++++++++
 tcg/tcg.c    |   24 ++++++++++++++++++++++++
 tcg/tcg.h    |   28 ++++++++++++++++++++++++++++
 3 files changed, 75 insertions(+)

diff --git a/tcg/tcg-op.h b/tcg/tcg-op.h
index 019dd9b..81291fd 100644
--- a/tcg/tcg-op.h
+++ b/tcg/tcg-op.h
@@ -345,6 +345,29 @@ static inline void tcg_gen_op6ii_i64(TCGOpcode opc, 
TCGv_i64 arg1,
     *tcg_ctx.gen_opparam_ptr++ = arg6;
 }
 
+static inline void tcg_gen_op1_v128(TCGOpcode opc, TCGv_v128 arg1)
+{
+    *tcg_ctx.gen_opc_ptr++ = opc;
+    *tcg_ctx.gen_opparam_ptr++ = GET_TCGV_V128(arg1);
+}
+
+static inline void tcg_gen_op2_v128(TCGOpcode opc, TCGv_v128 arg1,
+                                    TCGv_v128 arg2)
+{
+    *tcg_ctx.gen_opc_ptr++ = opc;
+    *tcg_ctx.gen_opparam_ptr++ = GET_TCGV_V128(arg1);
+    *tcg_ctx.gen_opparam_ptr++ = GET_TCGV_V128(arg2);
+}
+
+static inline void tcg_gen_op3_v128(TCGOpcode opc, TCGv_v128 arg1,
+                                    TCGv_v128 arg2, TCGv_v128 arg3)
+{
+    *tcg_ctx.gen_opc_ptr++ = opc;
+    *tcg_ctx.gen_opparam_ptr++ = GET_TCGV_V128(arg1);
+    *tcg_ctx.gen_opparam_ptr++ = GET_TCGV_V128(arg2);
+    *tcg_ctx.gen_opparam_ptr++ = GET_TCGV_V128(arg3);
+}
+
 static inline void tcg_add_param_i32(TCGv_i32 val)
 {
     *tcg_ctx.gen_opparam_ptr++ = GET_TCGV_I32(val);
diff --git a/tcg/tcg.c b/tcg/tcg.c
index 7a84b87..d01f357 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -542,6 +542,12 @@ TCGv_i64 tcg_global_mem_new_i64(int reg, intptr_t offset, 
const char *name)
     return MAKE_TCGV_I64(idx);
 }
 
+TCGv_v128 tcg_global_mem_new_v128(int reg, intptr_t offset, const char *name)
+{
+    int idx = tcg_global_mem_new_internal(TCG_TYPE_V128, reg, offset, name);
+    return MAKE_TCGV_V128(idx);
+}
+
 static inline int tcg_temp_new_internal(TCGType type, int temp_local)
 {
     TCGContext *s = &tcg_ctx;
@@ -612,6 +618,14 @@ TCGv_i64 tcg_temp_new_internal_i64(int temp_local)
     return MAKE_TCGV_I64(idx);
 }
 
+TCGv_v128 tcg_temp_new_internal_v128(int temp_local)
+{
+    int idx;
+
+    idx = tcg_temp_new_internal(TCG_TYPE_V128, temp_local);
+    return MAKE_TCGV_V128(idx);
+}
+
 static void tcg_temp_free_internal(int idx)
 {
     TCGContext *s = &tcg_ctx;
@@ -644,6 +658,11 @@ void tcg_temp_free_i64(TCGv_i64 arg)
     tcg_temp_free_internal(GET_TCGV_I64(arg));
 }
 
+void tcg_temp_free_v128(TCGv_v128 arg)
+{
+    tcg_temp_free_internal(GET_TCGV_V128(arg));
+}
+
 TCGv_i32 tcg_const_i32(int32_t val)
 {
     TCGv_i32 t0;
@@ -1062,6 +1081,11 @@ char *tcg_get_arg_str_i64(TCGContext *s, char *buf, int 
buf_size, TCGv_i64 arg)
     return tcg_get_arg_str_idx(s, buf, buf_size, GET_TCGV_I64(arg));
 }
 
+char *tcg_get_arg_str_v128(TCGContext *s, char *buf, int buf_size, TCGv_v128 
arg)
+{
+    return tcg_get_arg_str_idx(s, buf, buf_size, GET_TCGV_V128(arg));
+}
+
 /* Find helper name.  */
 static inline const char *tcg_find_helper(TCGContext *s, uintptr_t val)
 {
diff --git a/tcg/tcg.h b/tcg/tcg.h
index 7285f71..01dbede 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -194,6 +194,7 @@ typedef struct TCGPool {
 typedef enum TCGType {
     TCG_TYPE_I32,
     TCG_TYPE_I64,
+    TCG_TYPE_V128,
     TCG_TYPE_COUNT, /* number of different types */
 
     /* An alias for the size of the host register.  */
@@ -286,6 +287,7 @@ typedef tcg_target_ulong TCGArg;
 typedef struct TCGv_i32_d *TCGv_i32;
 typedef struct TCGv_i64_d *TCGv_i64;
 typedef struct TCGv_ptr_d *TCGv_ptr;
+typedef struct TCGv_v128_d *TCGv_v128;
 
 static inline TCGv_i32 QEMU_ARTIFICIAL MAKE_TCGV_I32(intptr_t i)
 {
@@ -302,6 +304,11 @@ static inline TCGv_ptr QEMU_ARTIFICIAL 
MAKE_TCGV_PTR(intptr_t i)
     return (TCGv_ptr)i;
 }
 
+static inline TCGv_v128 QEMU_ARTIFICIAL MAKE_TCGV_V128(intptr_t i)
+{
+    return (TCGv_v128)i;
+}
+
 static inline intptr_t QEMU_ARTIFICIAL GET_TCGV_I32(TCGv_i32 t)
 {
     return (intptr_t)t;
@@ -317,6 +324,11 @@ static inline intptr_t QEMU_ARTIFICIAL 
GET_TCGV_PTR(TCGv_ptr t)
     return (intptr_t)t;
 }
 
+static inline intptr_t QEMU_ARTIFICIAL GET_TCGV_V128(TCGv_v128 t)
+{
+    return (intptr_t)t;
+}
+
 #if TCG_TARGET_REG_BITS == 32
 #define TCGV_LOW(t) MAKE_TCGV_I32(GET_TCGV_I64(t))
 #define TCGV_HIGH(t) MAKE_TCGV_I32(GET_TCGV_I64(t) + 1)
@@ -324,15 +336,18 @@ static inline intptr_t QEMU_ARTIFICIAL 
GET_TCGV_PTR(TCGv_ptr t)
 
 #define TCGV_EQUAL_I32(a, b) (GET_TCGV_I32(a) == GET_TCGV_I32(b))
 #define TCGV_EQUAL_I64(a, b) (GET_TCGV_I64(a) == GET_TCGV_I64(b))
+#define TCGV_EQUAL_V128(a, b) (GET_TCGV_V128(a) == GET_TCGV_V128(b))
 #define TCGV_EQUAL_PTR(a, b) (GET_TCGV_PTR(a) == GET_TCGV_PTR(b))
 
 /* Dummy definition to avoid compiler warnings.  */
 #define TCGV_UNUSED_I32(x) x = MAKE_TCGV_I32(-1)
 #define TCGV_UNUSED_I64(x) x = MAKE_TCGV_I64(-1)
+#define TCGV_UNUSED_V128(x) x = MAKE_TCGV_V128(-1)
 #define TCGV_UNUSED_PTR(x) x = MAKE_TCGV_PTR(-1)
 
 #define TCGV_IS_UNUSED_I32(x) (GET_TCGV_I32(x) == -1)
 #define TCGV_IS_UNUSED_I64(x) (GET_TCGV_I64(x) == -1)
+#define TCGV_IS_UNUSED_V128(x) (GET_TCGV_V128(x) == -1)
 #define TCGV_IS_UNUSED_PTR(x) (GET_TCGV_PTR(x) == -1)
 
 /* call flags */
@@ -596,6 +611,19 @@ static inline TCGv_i64 tcg_temp_local_new_i64(void)
 void tcg_temp_free_i64(TCGv_i64 arg);
 char *tcg_get_arg_str_i64(TCGContext *s, char *buf, int buf_size, TCGv_i64 
arg);
 
+TCGv_v128 tcg_global_mem_new_v128(int reg, intptr_t offset, const char *name);
+TCGv_v128 tcg_temp_new_internal_v128(int temp_local);
+static inline TCGv_v128 tcg_temp_new_v128(void)
+{
+    return tcg_temp_new_internal_v128(0);
+}
+static inline TCGv_v128 tcg_temp_local_new_v128(void)
+{
+    return tcg_temp_new_internal_v128(1);
+}
+void tcg_temp_free_v128(TCGv_v128 arg);
+char *tcg_get_arg_str_v128(TCGContext *s, char *buf, int buf_size, TCGv_v128 
arg);
+
 #if defined(CONFIG_DEBUG_TCG)
 /* If you call tcg_clear_temp_count() at the start of a section of
  * code which is not supposed to leak any TCG temporaries, then
-- 
1.7.10.4