diff options
| author | Richard Henderson <rth@twiddle.net> | 2017-07-18 10:02:46 -1000 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2017-07-18 23:39:17 +0200 |
| commit | 93dc9c89640bd4aa5e49d672209b5509e3afa7e8 (patch) | |
| tree | 555249ee2671f32ac4af65243712e3839e342796 /target/sh4 | |
| parent | dec4f042a16b830c4d4613561f5f29e6a3263c1f (diff) | |
| download | qemu-93dc9c89640bd4aa5e49d672209b5509e3afa7e8.zip qemu-93dc9c89640bd4aa5e49d672209b5509e3afa7e8.tar.gz qemu-93dc9c89640bd4aa5e49d672209b5509e3afa7e8.tar.bz2 | |
target/sh4: Tidy misc illegal insn checks
Now that we have a do_illegal label, use goto in order
to self-document the forcing of the 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: <20170718200255.31647-22-rth@twiddle.net>
[aurel32: fix whitespace issues]
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target/sh4')
| -rw-r--r-- | target/sh4/translate.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/target/sh4/translate.c b/target/sh4/translate.c index b907197..b16df1e 100644 --- a/target/sh4/translate.c +++ b/target/sh4/translate.c @@ -1068,8 +1068,9 @@ static void _decode_opc(DisasContext * ctx) if (ctx->tbflags & FPSCR_PR) { TCGv_i64 fp0, fp1; - if (ctx->opcode & 0x0110) - break; /* illegal instruction */ + if (ctx->opcode & 0x0110) { + goto do_illegal; + } fp0 = tcg_temp_new_i64(); fp1 = tcg_temp_new_i64(); gen_load_fpr64(ctx, fp0, B11_8); @@ -1131,7 +1132,7 @@ static void _decode_opc(DisasContext * ctx) { CHECK_FPU_ENABLED if (ctx->tbflags & FPSCR_PR) { - break; /* illegal instruction */ + goto do_illegal; } else { gen_helper_fmac_FT(FREG(B11_8), cpu_env, FREG(0), FREG(B7_4), FREG(B11_8)); @@ -1669,8 +1670,9 @@ static void _decode_opc(DisasContext * ctx) CHECK_FPU_ENABLED if (ctx->tbflags & FPSCR_PR) { TCGv_i64 fp; - if (ctx->opcode & 0x0100) - break; /* illegal instruction */ + if (ctx->opcode & 0x0100) { + goto do_illegal; + } fp = tcg_temp_new_i64(); gen_helper_float_DT(fp, cpu_env, cpu_fpul); gen_store_fpr64(ctx, fp, B11_8); @@ -1684,8 +1686,9 @@ static void _decode_opc(DisasContext * ctx) CHECK_FPU_ENABLED if (ctx->tbflags & FPSCR_PR) { TCGv_i64 fp; - if (ctx->opcode & 0x0100) - break; /* illegal instruction */ + if (ctx->opcode & 0x0100) { + goto do_illegal; + } fp = tcg_temp_new_i64(); gen_load_fpr64(ctx, fp, B11_8); gen_helper_ftrc_DT(cpu_fpul, cpu_env, fp); @@ -1706,8 +1709,9 @@ static void _decode_opc(DisasContext * ctx) case 0xf06d: /* fsqrt FRn */ CHECK_FPU_ENABLED if (ctx->tbflags & FPSCR_PR) { - if (ctx->opcode & 0x0100) - break; /* illegal instruction */ + if (ctx->opcode & 0x0100) { + goto do_illegal; + } TCGv_i64 fp = tcg_temp_new_i64(); gen_load_fpr64(ctx, fp, B11_8); gen_helper_fsqrt_DT(fp, cpu_env, fp); |