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target/sh4: Add missing FPSCR.PR == 0 checks 

Both frchg and fschg require PR == 0, otherwise undefined_operation.

Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Message-Id: <20170718200255.31647-26-rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Richard Henderson 2017-07-18 10:02:50 -10:00 committed by Aurelien Jarno
parent 907759f997
commit 61dedf2af7
1 changed files with 2 additions and 0 deletions
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2
target/sh4/translate.c
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@ -473,10 +473,12 @@ static void _decode_opc(DisasContext * ctx)
tcg_gen_movi_i32(cpu_sr_t, 1);
return;
case 0xfbfd: /* frchg */
CHECK_FPSCR_PR_0
tcg_gen_xori_i32(cpu_fpscr, cpu_fpscr, FPSCR_FR);
ctx->bstate = BS_STOP;
return;
case 0xf3fd: /* fschg */
CHECK_FPSCR_PR_0
tcg_gen_xori_i32(cpu_fpscr, cpu_fpscr, FPSCR_SZ);
ctx->bstate = BS_STOP;
return;