target/mips/mips-defs: Use ISA_MIPS32 definition to check Release 1

Use the single ISA_MIPS32 definition to check if the Release 1
ISA is supported, whether the CPU support 32/64-bit.

For now we keep '32' in the definition name, we will rename it
as ISA_MIPS_R1 in few commits.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210104221154.3127610-7-f4bug@amsat.org>

target/mips/mips-defs.h

@@ -18,7 +18,6 @@
 #define ISA_MIPS5         0x0000000000000010ULL
 #define ISA_MIPS32        0x0000000000000020ULL
 #define ISA_MIPS32R2      0x0000000000000040ULL
-#define ISA_MIPS64        0x0000000000000080ULL
 #define ISA_MIPS64R2      0x0000000000000100ULL
 #define ISA_MIPS32R3      0x0000000000000200ULL
 #define ISA_MIPS64R3      0x0000000000000400ULL
@@ -75,7 +74,7 @@
 
 /* MIPS Technologies "Release 1" */
 #define CPU_MIPS32R1    (CPU_MIPS2 | ISA_MIPS32)
-#define CPU_MIPS64R1    (CPU_MIPS5 | CPU_MIPS32R1 | ISA_MIPS64)
+#define CPU_MIPS64R1    (CPU_MIPS5 | CPU_MIPS32R1)
 
 /* MIPS Technologies "Release 2" */
 #define CPU_MIPS32R2    (CPU_MIPS32R1 | ISA_MIPS32R2)

target/mips/translate.c

@@ -8943,7 +8943,7 @@ static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
     const char *register_name = "invalid";
     if (sel != 0) {
-        check_insn(ctx, ISA_MIPS64);
+        check_insn(ctx, ISA_MIPS32);
     }
     switch (reg) {
@@ -9669,7 +9669,7 @@ static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
     const char *register_name = "invalid";
     if (sel != 0) {
-        check_insn(ctx, ISA_MIPS64);
+        check_insn(ctx, ISA_MIPS32);
     }
     if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) {
@@ -14907,12 +14907,12 @@ static int decode_mips16_opc(CPUMIPSState *env, DisasContext *ctx)
                 break;
 #if defined(TARGET_MIPS64)
             case RR_RY_CNVT_ZEW:
-                check_insn(ctx, ISA_MIPS64);
+                check_insn(ctx, ISA_MIPS32);
                 check_mips_64(ctx);
                 tcg_gen_ext32u_tl(cpu_gpr[rx], cpu_gpr[rx]);
                 break;
             case RR_RY_CNVT_SEW:
-                check_insn(ctx, ISA_MIPS64);
+                check_insn(ctx, ISA_MIPS32);
                 check_mips_64(ctx);
                 tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]);
                 break;
@@ -27612,7 +27612,7 @@ static void decode_opc_special2_legacy(CPUMIPSState *env, DisasContext *ctx)
 #if defined(TARGET_MIPS64)
     case OPC_DCLO:
     case OPC_DCLZ:
-        check_insn(ctx, ISA_MIPS64);
+        check_insn(ctx, ISA_MIPS32);
         check_mips_64(ctx);
         gen_cl(ctx, op1, rd, rs);
         break;