tcg/tci: Split out target constraints to tcg-target-con-str.h

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

tcg/tci/tcg-target-con-str.h

@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Define TCI target-specific operand constraints.
+ * Copyright (c) 2021 Linaro
+ */
+
+/*
+ * Define constraint letters for register sets:
+ * REGS(letter, register_mask)
+ */
+REGS('r', MAKE_64BIT_MASK(0, TCG_TARGET_NB_REGS))

tcg/tci/tcg-target.c.inc

@@ -302,20 +302,6 @@ static bool patch_reloc(tcg_insn_unit *code_ptr, int type,
     return true;
 }
 
-/* Parse target specific constraints. */
-static const char *target_parse_constraint(TCGArgConstraint *ct,
-                                           const char *ct_str, TCGType type)
-{
-    switch (*ct_str++) {
-    case 'r':
-        ct->regs = BIT(TCG_TARGET_NB_REGS) - 1;
-        break;
-    default:
-        return NULL;
-    }
-    return ct_str;
-}
-
 #if defined(CONFIG_DEBUG_TCG_INTERPRETER)
 /* Show current bytecode. Used by tcg interpreter. */
 void tci_disas(uint8_t opc)

tcg/tci/tcg-target.h

@@ -207,4 +207,6 @@ static inline void tb_target_set_jmp_target(uintptr_t tc_ptr, uintptr_t jmp_rx,
     /* no need to flush icache explicitly */
 }
 
+#define TCG_TARGET_CON_STR_H
+
 #endif /* TCG_TARGET_H */