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[Qemu-devel] [PATCH v2 19/27] target/sh4: Unify code for CHECK_PRIVILEGE
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v2 19/27] target/sh4: Unify code for CHECK_PRIVILEGED |
Date: |
Thu, 6 Jul 2017 16:21:03 -1000 |
We do not need to emit N copies of raising an exception.
Signed-off-by: Richard Henderson <address@hidden>
---
target/sh4/translate.c | 14 ++++----------
1 file changed, 4 insertions(+), 10 deletions(-)
diff --git a/target/sh4/translate.c b/target/sh4/translate.c
index 41157a0..dd14b43 100644
--- a/target/sh4/translate.c
+++ b/target/sh4/translate.c
@@ -381,16 +381,9 @@ static inline void gen_store_fpr64(DisasContext *ctx,
TCGv_i64 t, int reg)
goto do_illegal_slot; \
}
-#define CHECK_PRIVILEGED \
- if (IS_USER(ctx)) { \
- gen_save_cpu_state(ctx, true); \
- if (ctx->envflags & DELAY_SLOT_MASK) { \
- gen_helper_raise_slot_illegal_instruction(cpu_env); \
- } else { \
- gen_helper_raise_illegal_instruction(cpu_env); \
- } \
- ctx->bstate = BS_EXCP; \
- return; \
+#define CHECK_PRIVILEGED \
+ if (IS_USER(ctx)) { \
+ goto do_illegal; \
}
#define CHECK_FPU_ENABLED \
@@ -1817,6 +1810,7 @@ static void _decode_opc(DisasContext * ctx)
ctx->opcode, ctx->pc);
fflush(stderr);
#endif
+ do_illegal:
if (ctx->envflags & DELAY_SLOT_MASK) {
do_illegal_slot:
gen_save_cpu_state(ctx, true);
--
2.9.4
- Re: [Qemu-devel] [PATCH v2 14/27] target/sh4: Eliminate unused XREG macro, (continued)
- [Qemu-devel] [PATCH v2 15/27] target/sh4: Merge DREG into fpr64 routines, Richard Henderson, 2017/07/06
- [Qemu-devel] [PATCH v2 16/27] target/sh4: Load/store Dr as 64-bit quantities, Richard Henderson, 2017/07/06
- [Qemu-devel] [PATCH v2 17/27] target/sh4: Simplify 64-bit fp reg-reg move, Richard Henderson, 2017/07/06
- [Qemu-devel] [PATCH v2 18/27] target/sh4: Unify code for CHECK_NOT_DELAY_SLOT, Richard Henderson, 2017/07/06
- [Qemu-devel] [PATCH v2 19/27] target/sh4: Unify code for CHECK_PRIVILEGED,
Richard Henderson <=
- [Qemu-devel] [PATCH v2 20/27] target/sh4: Unify code for CHECK_FPU_ENABLED, Richard Henderson, 2017/07/06
- [Qemu-devel] [PATCH v2 21/27] target/sh4: Tidy misc illegal insn checks, Richard Henderson, 2017/07/06
- [Qemu-devel] [PATCH v2 22/27] target/sh4: Introduce CHECK_FPSCR_PR_*, Richard Henderson, 2017/07/06