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[Qemu-devel] [PATCH v3 25/30] target/sh4: Add missing FPSCR.PR == 0 chec
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v3 25/30] target/sh4: Add missing FPSCR.PR == 0 checks |
Date: |
Tue, 18 Jul 2017 10:02:50 -1000 |
Both frchg and fschg require PR == 0, otherwise undefined_operation.
Reviewed-by: Aurelien Jarno <address@hidden>
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 65cc7d1..a5d07a0 100644
--- a/target/sh4/translate.c
+++ b/target/sh4/translate.c
@@ -479,10 +479,12 @@ 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
- [Qemu-devel] [PATCH v3 16/30] target/sh4: Load/store Dr as 64-bit quantities, (continued)
- [Qemu-devel] [PATCH v3 16/30] target/sh4: Load/store Dr as 64-bit quantities, Richard Henderson, 2017/07/18
- [Qemu-devel] [PATCH v3 17/30] target/sh4: Simplify 64-bit fp reg-reg move, Richard Henderson, 2017/07/18
- [Qemu-devel] [PATCH v3 18/30] target/sh4: Unify code for CHECK_NOT_DELAY_SLOT, Richard Henderson, 2017/07/18
- [Qemu-devel] [PATCH v3 15/30] target/sh4: Merge DREG into fpr64 routines, Richard Henderson, 2017/07/18
- [Qemu-devel] [PATCH v3 19/30] target/sh4: Unify code for CHECK_PRIVILEGED, Richard Henderson, 2017/07/18
- [Qemu-devel] [PATCH v3 20/30] target/sh4: Unify code for CHECK_FPU_ENABLED, Richard Henderson, 2017/07/18
- [Qemu-devel] [PATCH v3 21/30] target/sh4: Tidy misc illegal insn checks, Richard Henderson, 2017/07/18
- [Qemu-devel] [PATCH v3 22/30] target/sh4: Introduce CHECK_FPSCR_PR_*, Richard Henderson, 2017/07/18
- [Qemu-devel] [PATCH v3 24/30] target/sh4: Implement fpchg, Richard Henderson, 2017/07/18
- [Qemu-devel] [PATCH v3 23/30] target/sh4: Introduce CHECK_SH4A, Richard Henderson, 2017/07/18
- [Qemu-devel] [PATCH v3 25/30] target/sh4: Add missing FPSCR.PR == 0 checks,
Richard Henderson <=
- [Qemu-devel] [PATCH v3 26/30] target/sh4: Implement fsrra, Richard Henderson, 2017/07/18
- [Qemu-devel] [PATCH v3 27/30] target/sh4: Use tcg_gen_lookup_and_goto_ptr, Richard Henderson, 2017/07/18
- [Qemu-devel] [PATCH v3 28/30] tcg: Fix off-by-one in assert in page_set_flags, Richard Henderson, 2017/07/18
- [Qemu-devel] [PATCH v3 30/30] linux-user/sh4: Reduce TARGET_VIRT_ADDR_SPACE_BITS to 31, Richard Henderson, 2017/07/18
- [Qemu-devel] [PATCH v3 29/30] linux-user: Tidy and enforce reserved_va initialization, Richard Henderson, 2017/07/18
- Re: [Qemu-devel] [PATCH v3 00/30] target/sh4 improvements, Aurelien Jarno, 2017/07/18