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| author | Richard Henderson <rth@twiddle.net> | 2017-07-18 10:02:45 -1000 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2017-07-18 23:39:17 +0200 |
| commit | dec4f042a16b830c4d4613561f5f29e6a3263c1f (patch) | |
| tree | a8e5f6f0ec8dfd6d40146e684269e3e205db3dce /target/sh4/translate.c | |
| parent | 6b98213da9b025dad0f1bd307928a4f30e96a50d (diff) | |
| download | qemu-dec4f042a16b830c4d4613561f5f29e6a3263c1f.tar.gz | |
target/sh4: Unify code for CHECK_FPU_ENABLED
We do not need to emit N copies of raising an exception.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Message-Id: <20170718200255.31647-21-rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target/sh4/translate.c')
| -rw-r--r-- | target/sh4/translate.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/target/sh4/translate.c b/target/sh4/translate.c index 2476b948b9..b90719717e 100644 --- a/target/sh4/translate.c +++ b/target/sh4/translate.c @@ -374,16 +374,9 @@ static inline void gen_store_fpr64(DisasContext *ctx, TCGv_i64 t, int reg) goto do_illegal; \ } -#define CHECK_FPU_ENABLED \ - if (ctx->tbflags & (1u << SR_FD)) { \ - gen_save_cpu_state(ctx, true); \ - if (ctx->envflags & DELAY_SLOT_MASK) { \ - gen_helper_raise_slot_fpu_disable(cpu_env); \ - } else { \ - gen_helper_raise_fpu_disable(cpu_env); \ - } \ - ctx->bstate = BS_EXCP; \ - return; \ +#define CHECK_FPU_ENABLED \ + if (ctx->tbflags & (1u << SR_FD)) { \ + goto do_fpu_disabled; \ } static void _decode_opc(DisasContext * ctx) @@ -1796,6 +1789,17 @@ static void _decode_opc(DisasContext * ctx) gen_helper_raise_illegal_instruction(cpu_env); } ctx->bstate = BS_EXCP; + return; + + do_fpu_disabled: + gen_save_cpu_state(ctx, true); + if (ctx->envflags & DELAY_SLOT_MASK) { + gen_helper_raise_slot_fpu_disable(cpu_env); + } else { + gen_helper_raise_fpu_disable(cpu_env); + } + ctx->bstate = BS_EXCP; + return; } static void decode_opc(DisasContext * ctx) |