[PATCH v3 17/30] target/ppc: Remove DisasContext.exception

[Richard Henderson <richard.henderson@linaro.org>]

Now that we have removed all of the fake exceptions, and all real
exceptions exit via DISAS_NORETURN, we can remove this field.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/ppc/translate.c | 22 ++--------------------
 1 file changed, 2 insertions(+), 20 deletions(-)

diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index 276a4a2a79..d78071a4a4 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -259,15 +259,12 @@ static void gen_exception_err(DisasContext *ctx, uint32_t excp, uint32_t error)
      * These are all synchronous exceptions, we set the PC back to the
      * faulting instruction
      */
-    if (ctx->exception == POWERPC_EXCP_NONE) {
-        gen_update_nip(ctx, ctx->cia);
-    }
+    gen_update_nip(ctx, ctx->cia);
     t0 = tcg_const_i32(excp);
     t1 = tcg_const_i32(error);
     gen_helper_raise_exception_err(cpu_env, t0, t1);
     tcg_temp_free_i32(t0);
     tcg_temp_free_i32(t1);
-    ctx->exception = excp;
     ctx->base.is_jmp = DISAS_NORETURN;
 }
 
@@ -279,13 +276,10 @@ static void gen_exception(DisasContext *ctx, uint32_t excp)
      * These are all synchronous exceptions, we set the PC back to the
      * faulting instruction
      */
-    if (ctx->exception == POWERPC_EXCP_NONE) {
-        gen_update_nip(ctx, ctx->cia);
-    }
+    gen_update_nip(ctx, ctx->cia);
     t0 = tcg_const_i32(excp);
     gen_helper_raise_exception(cpu_env, t0);
     tcg_temp_free_i32(t0);
-    ctx->exception = excp;
     ctx->base.is_jmp = DISAS_NORETURN;
 }
 
@@ -298,7 +292,6 @@ static void gen_exception_nip(DisasContext *ctx, uint32_t excp,
     t0 = tcg_const_i32(excp);
     gen_helper_raise_exception(cpu_env, t0);
     tcg_temp_free_i32(t0);
-    ctx->exception = excp;
     ctx->base.is_jmp = DISAS_NORETURN;
 }
 
@@ -7919,7 +7912,6 @@ static void ppc_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
     CPUPPCState *env = cs->env_ptr;
     int bound;
 
-    ctx->exception = POWERPC_EXCP_NONE;
     ctx->spr_cb = env->spr_cb;
     ctx->pr = msr_pr;
     ctx->mem_idx = env->dmmu_idx;
@@ -8067,16 +8059,6 @@ static void ppc_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
                  "temporaries\n", opc1(ctx->opcode), opc2(ctx->opcode),
                  opc3(ctx->opcode), opc4(ctx->opcode), ctx->opcode);
     }
-
-    if (ctx->base.is_jmp == DISAS_NEXT) {
-        switch (ctx->exception) {
-        case POWERPC_EXCP_NONE:
-            break;
-        default:
-            /* Every other ctx->exception should have set NORETURN. */
-            g_assert_not_reached();
-        }
-    }
 }
 
 static void ppc_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs)
-- 
2.25.1