target/mips: Declare gen_msa/_branch() in 'translate.h'

Make gen_msa() and gen_msa_branch() public declarations
so we can keep calling them once extracted from the big
translate.c in the next commit.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20201215225757.764263-18-f4bug@amsat.org>
Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>

target/mips/translate.c

@@ -28659,7 +28659,7 @@ static bool gen_msa_BxZ(DisasContext *ctx, int df, int wt, int s16, bool if_not)
     return true;
 }
-static void gen_msa_branch(DisasContext *ctx, uint32_t op1)
+void gen_msa_branch(DisasContext *ctx, uint32_t op1)
 {
     uint8_t df = (ctx->opcode >> 21) & 0x3;
     uint8_t wt = (ctx->opcode >> 16) & 0x1f;
@@ -30435,7 +30435,7 @@ static void gen_msa_vec(DisasContext *ctx)
     }
 }
-static void gen_msa(DisasContext *ctx)
+void gen_msa(DisasContext *ctx)
 {
     uint32_t opcode = ctx->opcode;

target/mips/translate.h

@@ -174,5 +174,7 @@ extern TCGv bcond;
 
 /* MSA */
 void msa_translate_init(void);
+void gen_msa(DisasContext *ctx);
+void gen_msa_branch(DisasContext *ctx, uint32_t op1);
 
 #endif