target/mips: Fix MIPS16e translation

Fix a wrong conversion to gen_op_addr_addi(). The framesize should be
added like it was done before.

This bug broke booting OpenWrt MIPS32 BE malta Linux system images
generated by OpenWrt.

Cc: [email protected]
Fixes: d0b24b7 ("target/mips: Use gen_op_addr_addi() when possible")
Signed-off-by: Hauke Mehrtens <[email protected]>
Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
Message-ID: <[email protected]>
Signed-off-by: Philippe Mathieu-Daudé <[email protected]>
(cherry picked from commit d4a785b)
Signed-off-by: Michael Tokarev <[email protected]>

Author: hauke

target/mips/tcg/mips16e_translate.c.inc

@@ -306,7 +306,7 @@ static void gen_mips16_restore(DisasContext *ctx,
     int astatic;
     TCGv t0 = tcg_temp_new();
 
-    gen_op_addr_addi(ctx, t0, cpu_gpr[29], -framesize);
+    gen_op_addr_addi(ctx, t0, cpu_gpr[29], framesize);
 
     if (do_ra) {
         decr_and_load(ctx, 31, t0);
@@ -386,7 +386,7 @@ static void gen_mips16_restore(DisasContext *ctx,
         }
     }
 
-    gen_op_addr_addi(ctx, cpu_gpr[29], cpu_gpr[29], -framesize);
+    gen_op_addr_addi(ctx, cpu_gpr[29], cpu_gpr[29], framesize);
 }
 
 #if defined(TARGET_MIPS64)