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-rw-r--r--include/tcg/tcg-gvec-desc.h36
-rw-r--r--include/tcg/tcg.h22
2 files changed, 32 insertions, 26 deletions
diff --git a/include/tcg/tcg-gvec-desc.h b/include/tcg/tcg-gvec-desc.h
index 0224ac3e78..704bd86454 100644
--- a/include/tcg/tcg-gvec-desc.h
+++ b/include/tcg/tcg-gvec-desc.h
@@ -20,29 +20,41 @@
 #ifndef TCG_TCG_GVEC_DESC_H
 #define TCG_TCG_GVEC_DESC_H
 
-/* ??? These bit widths are set for ARM SVE, maxing out at 256 byte vectors. */
-#define SIMD_OPRSZ_SHIFT   0
-#define SIMD_OPRSZ_BITS    5
+/*
+ * This configuration allows MAXSZ to represent 2048 bytes, and
+ * OPRSZ to match MAXSZ, or represent the smaller values 8, 16, or 32.
+ *
+ * Encode this with:
+ *   0, 1, 3 -> 8, 16, 32
+ *   2       -> maxsz
+ *
+ * This steals the input that would otherwise map to 24 to match maxsz.
+ */
+#define SIMD_MAXSZ_SHIFT   0
+#define SIMD_MAXSZ_BITS    8
 
-#define SIMD_MAXSZ_SHIFT   (SIMD_OPRSZ_SHIFT + SIMD_OPRSZ_BITS)
-#define SIMD_MAXSZ_BITS    5
+#define SIMD_OPRSZ_SHIFT   (SIMD_MAXSZ_SHIFT + SIMD_MAXSZ_BITS)
+#define SIMD_OPRSZ_BITS    2
 
-#define SIMD_DATA_SHIFT    (SIMD_MAXSZ_SHIFT + SIMD_MAXSZ_BITS)
+#define SIMD_DATA_SHIFT    (SIMD_OPRSZ_SHIFT + SIMD_OPRSZ_BITS)
 #define SIMD_DATA_BITS     (32 - SIMD_DATA_SHIFT)
 
 /* Create a descriptor from components.  */
 uint32_t simd_desc(uint32_t oprsz, uint32_t maxsz, int32_t data);
 
-/* Extract the operation size from a descriptor.  */
-static inline intptr_t simd_oprsz(uint32_t desc)
+/* Extract the max vector size from a descriptor.  */
+static inline intptr_t simd_maxsz(uint32_t desc)
 {
-    return (extract32(desc, SIMD_OPRSZ_SHIFT, SIMD_OPRSZ_BITS) + 1) * 8;
+    return extract32(desc, SIMD_MAXSZ_SHIFT, SIMD_MAXSZ_BITS) * 8 + 8;
 }
 
-/* Extract the max vector size from a descriptor.  */
-static inline intptr_t simd_maxsz(uint32_t desc)
+/* Extract the operation size from a descriptor.  */
+static inline intptr_t simd_oprsz(uint32_t desc)
 {
-    return (extract32(desc, SIMD_MAXSZ_SHIFT, SIMD_MAXSZ_BITS) + 1) * 8;
+    uint32_t f = extract32(desc, SIMD_OPRSZ_SHIFT, SIMD_OPRSZ_BITS);
+    intptr_t o = f * 8 + 8;
+    intptr_t m = simd_maxsz(desc);
+    return f == 2 ? m : o;
 }
 
 /* Extract the operation-specific data from a descriptor.  */
diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h
index 53ce94c2c5..8804a8c4a2 100644
--- a/include/tcg/tcg.h
+++ b/include/tcg/tcg.h
@@ -976,18 +976,16 @@ int64_t tcg_cpu_exec_time(void);
 void tcg_dump_info(void);
 void tcg_dump_op_count(void);
 
-#define TCG_CT_ALIAS  0x80
-#define TCG_CT_IALIAS 0x40
-#define TCG_CT_NEWREG 0x20 /* output requires a new register */
-#define TCG_CT_REG    0x01
-#define TCG_CT_CONST  0x02 /* any constant of register size */
+#define TCG_CT_CONST  1 /* any constant of register size */
 
 typedef struct TCGArgConstraint {
-    uint16_t ct;
-    uint8_t alias_index;
-    union {
-        TCGRegSet regs;
-    } u;
+    unsigned ct : 16;
+    unsigned alias_index : 4;
+    unsigned sort_index : 4;
+    bool oalias : 1;
+    bool ialias : 1;
+    bool newreg : 1;
+    TCGRegSet regs;
 } TCGArgConstraint;
 
 #define TCG_MAX_OP_ARGS 16
@@ -1017,10 +1015,6 @@ typedef struct TCGOpDef {
     uint8_t nb_oargs, nb_iargs, nb_cargs, nb_args;
     uint8_t flags;
     TCGArgConstraint *args_ct;
-    int *sorted_args;
-#if defined(CONFIG_DEBUG_TCG)
-    int used;
-#endif
 } TCGOpDef;
 
 extern TCGOpDef tcg_op_defs[];