diff options
Diffstat (limited to 'target-ppc/translate.c')
| -rw-r--r-- | target-ppc/translate.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c index afcdd3e12a..46b0e188c2 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -5498,8 +5498,6 @@ static void gen_mfdcr(DisasContext *ctx) TCGv dcrn; CHK_SV; - /* NIP cannot be restored if the memory exception comes from an helper */ - gen_update_nip(ctx, ctx->nip - 4); dcrn = tcg_const_tl(SPR(ctx->opcode)); gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, dcrn); tcg_temp_free(dcrn); @@ -5515,8 +5513,6 @@ static void gen_mtdcr(DisasContext *ctx) TCGv dcrn; CHK_SV; - /* NIP cannot be restored if the memory exception comes from an helper */ - gen_update_nip(ctx, ctx->nip - 4); dcrn = tcg_const_tl(SPR(ctx->opcode)); gen_helper_store_dcr(cpu_env, dcrn, cpu_gpr[rS(ctx->opcode)]); tcg_temp_free(dcrn); @@ -5531,8 +5527,6 @@ static void gen_mfdcrx(DisasContext *ctx) GEN_PRIV; #else CHK_SV; - /* NIP cannot be restored if the memory exception comes from an helper */ - gen_update_nip(ctx, ctx->nip - 4); gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)]); /* Note: Rc update flag set leads to undefined state of Rc0 */ @@ -5547,8 +5541,6 @@ static void gen_mtdcrx(DisasContext *ctx) GEN_PRIV; #else CHK_SV; - /* NIP cannot be restored if the memory exception comes from an helper */ - gen_update_nip(ctx, ctx->nip - 4); gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); /* Note: Rc update flag set leads to undefined state of Rc0 */ @@ -5558,8 +5550,6 @@ static void gen_mtdcrx(DisasContext *ctx) /* mfdcrux (PPC 460) : user-mode access to DCR */ static void gen_mfdcrux(DisasContext *ctx) { - /* NIP cannot be restored if the memory exception comes from an helper */ - gen_update_nip(ctx, ctx->nip - 4); gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)]); /* Note: Rc update flag set leads to undefined state of Rc0 */ @@ -5568,8 +5558,6 @@ static void gen_mfdcrux(DisasContext *ctx) /* mtdcrux (PPC 460) : user-mode access to DCR */ static void gen_mtdcrux(DisasContext *ctx) { - /* NIP cannot be restored if the memory exception comes from an helper */ - gen_update_nip(ctx, ctx->nip - 4); gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); /* Note: Rc update flag set leads to undefined state of Rc0 */ |