From: Stefan Markovic <smarkovic@wavecomp.com>
Date: Tue, 22 Jan 2019 15:06:21 +0000 (+0100)
Subject: target/mips: nanoMIPS: Fix branch handling
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=697b7b6bc570c0fe4e32d079930fea6cd4cace6b;p=qemu.git

target/mips: nanoMIPS: Fix branch handling

Fix nanoMIPS branch handling.

Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Signed-off-by: Stefan Markovic <smarkovic@wavecomp.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
---

diff --git a/target/mips/translate.c b/target/mips/translate.c
index aaf7dffdea..e9b5d1d860 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -19758,6 +19758,10 @@ static void gen_compute_imm_branch(DisasContext *ctx, uint32_t opc,
         goto out;
     }
 
+    /* branch completion */
+    clear_branch_hflags(ctx);
+    ctx->base.is_jmp = DISAS_NORETURN;
+
     if (bcond_compute == 0) {
         /* Uncoditional compact branch */
         gen_goto_tb(ctx, 0, ctx->btarget);
@@ -19798,6 +19802,10 @@ static void gen_compute_nanomips_pbalrsc_branch(DisasContext *ctx, int rs,
     tcg_gen_movi_tl(t1, ctx->base.pc_next + 4);
     gen_op_addr_add(ctx, btarget, t1, t0);
 
+    /* branch completion */
+    clear_branch_hflags(ctx);
+    ctx->base.is_jmp = DISAS_NORETURN;
+
     /* unconditional branch to register */
     tcg_gen_mov_tl(cpu_PC, btarget);
     tcg_gen_lookup_and_goto_ptr();
@@ -19936,6 +19944,10 @@ static void gen_compute_compact_branch_nm(DisasContext *ctx, uint32_t opc,
             goto out;
         }
 
+        /* branch completion */
+        clear_branch_hflags(ctx);
+        ctx->base.is_jmp = DISAS_NORETURN;
+
         /* Generating branch here as compact branches don't have delay slot */
         gen_goto_tb(ctx, 1, ctx->btarget);
         gen_set_label(fs);