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[Qemu-devel] [PULL 22/31] target/sh4: Unify code for CHECK_NOT_DELAY_SLO
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [PULL 22/31] target/sh4: Unify code for CHECK_NOT_DELAY_SLOT |
Date: |
Tue, 18 Jul 2017 23:50:41 +0200 |
From: Richard Henderson <address@hidden>
We do not need to emit N copies of raising an exception.
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Reviewed-by: Aurelien Jarno <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Aurelien Jarno <address@hidden>
---
target/sh4/translate.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/target/sh4/translate.c b/target/sh4/translate.c
index 792a46804b..acd756e18a 100644
--- a/target/sh4/translate.c
+++ b/target/sh4/translate.c
@@ -365,11 +365,8 @@ static inline void gen_store_fpr64(DisasContext *ctx,
TCGv_i64 t, int reg)
#define XHACK(x) ((((x) & 1 ) << 4) | ((x) & 0xe))
#define CHECK_NOT_DELAY_SLOT \
- if (ctx->envflags & DELAY_SLOT_MASK) { \
- gen_save_cpu_state(ctx, true); \
- gen_helper_raise_slot_illegal_instruction(cpu_env); \
- ctx->bstate = BS_EXCP; \
- return; \
+ if (ctx->envflags & DELAY_SLOT_MASK) { \
+ goto do_illegal_slot; \
}
#define CHECK_PRIVILEGED \
@@ -1796,10 +1793,12 @@ static void _decode_opc(DisasContext * ctx)
ctx->opcode, ctx->pc);
fflush(stderr);
#endif
- gen_save_cpu_state(ctx, true);
if (ctx->envflags & DELAY_SLOT_MASK) {
+ do_illegal_slot:
+ gen_save_cpu_state(ctx, true);
gen_helper_raise_slot_illegal_instruction(cpu_env);
} else {
+ gen_save_cpu_state(ctx, true);
gen_helper_raise_illegal_instruction(cpu_env);
}
ctx->bstate = BS_EXCP;
--
2.11.0
- [Qemu-devel] [PULL 30/31] target/sh4: Implement fsrra, (continued)
- [Qemu-devel] [PULL 30/31] target/sh4: Implement fsrra, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 17/31] target/sh4: Hoist fp register bank selection, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 25/31] target/sh4: Tidy misc illegal insn checks, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 05/31] target/sh4: return result of fcmp using TCG, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 31/31] target/sh4: Use tcg_gen_lookup_and_goto_ptr, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 29/31] target/sh4: Add missing FPSCR.PR == 0 checks, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 20/31] target/sh4: Load/store Dr as 64-bit quantities, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 10/31] target/sh4: Handle user-space atomics, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 28/31] target/sh4: Implement fpchg, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 04/31] target/sh4: do not use a helper to implement fneg, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 22/31] target/sh4: Unify code for CHECK_NOT_DELAY_SLOT,
Aurelien Jarno <=
- [Qemu-devel] [PULL 03/31] target/sh4: fix FPSCR cause vs flag inversion, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 27/31] target/sh4: Introduce CHECK_SH4A, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 11/31] target/sh4: Recognize common gUSA sequences, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 08/31] target/sh4: Keep env->flags clean, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 23/31] target/sh4: Unify code for CHECK_PRIVILEGED, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 12/31] linux-user/sh4: Notice gUSA regions during signal delivery, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 16/31] target/sh4: Pass DisasContext to fpr64 routines, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 15/31] target/sh4: Unify cpu_fregs into FREG, Aurelien Jarno, 2017/07/18
- Re: [Qemu-devel] [PULL 00/31] target/sh4 queue, no-reply, 2017/07/18