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[Qemu-devel] [PATCH v2 25/27] target/sh4: Add missing FPSCR.PR == 0 chec
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v2 25/27] target/sh4: Add missing FPSCR.PR == 0 checks |
Date: |
Thu, 6 Jul 2017 16:21:09 -1000 |
Both frchg and fschg require PR == 0, otherwise undefined_operation.
Signed-off-by: Richard Henderson <address@hidden>
---
target/sh4/translate.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/target/sh4/translate.c b/target/sh4/translate.c
index 35a5c91..2b62e39 100644
--- a/target/sh4/translate.c
+++ b/target/sh4/translate.c
@@ -485,10 +485,12 @@ 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;
--
2.9.4
- Re: [Qemu-devel] [PATCH v2 20/27] target/sh4: Unify code for CHECK_FPU_ENABLED, (continued)
- [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
- [Qemu-devel] [PATCH v2 24/27] target/sh4: Implement fpchg, Richard Henderson, 2017/07/06
- [Qemu-devel] [PATCH v2 23/27] target/sh4: Introduce CHECK_SH4A, Richard Henderson, 2017/07/06
- [Qemu-devel] [PATCH v2 25/27] target/sh4: Add missing FPSCR.PR == 0 checks,
Richard Henderson <=
- [Qemu-devel] [PATCH v2 26/27] target/sh4: Implement fsrra, Richard Henderson, 2017/07/06
- [Qemu-devel] [PATCH v2 27/27] target/sh4: Use tcg_gen_lookup_and_goto_ptr, Richard Henderson, 2017/07/06
- Re: [Qemu-devel] [PATCH v2 00/27] target/sh4 improvements, Aurelien Jarno, 2017/07/18