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[Qemu-devel] [PULL 29/31] target/sh4: Add missing FPSCR.PR == 0 checks
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [PULL 29/31] target/sh4: Add missing FPSCR.PR == 0 checks |
Date: |
Tue, 18 Jul 2017 23:50:48 +0200 |
From: Richard Henderson <address@hidden>
Both frchg and fschg require PR == 0, otherwise undefined_operation.
Reviewed-by: Aurelien Jarno <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Aurelien Jarno <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 1ed0349374..92a2c002fc 100644
--- a/target/sh4/translate.c
+++ b/target/sh4/translate.c
@@ -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;
--
2.11.0
- [Qemu-devel] [PULL 01/31] target/sh4: do not check for PR bit for fabs instruction, (continued)
- [Qemu-devel] [PULL 01/31] target/sh4: do not check for PR bit for fabs instruction, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 26/31] target/sh4: Introduce CHECK_FPSCR_PR_*, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 21/31] target/sh4: Simplify 64-bit fp reg-reg move, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 06/31] target/sh4: Consolidate end-of-TB tests, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 13/31] linux-user/sh4: Clean env->flags on signal boundaries, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 30/31] target/sh4: Implement fsrra, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 17/31] target/sh4: Hoist fp register bank selection, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 25/31] target/sh4: Tidy misc illegal insn checks, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 05/31] target/sh4: return result of fcmp using TCG, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 31/31] target/sh4: Use tcg_gen_lookup_and_goto_ptr, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 29/31] target/sh4: Add missing FPSCR.PR == 0 checks,
Aurelien Jarno <=
- [Qemu-devel] [PULL 20/31] target/sh4: Load/store Dr as 64-bit quantities, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 10/31] target/sh4: Handle user-space atomics, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 28/31] target/sh4: Implement fpchg, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 04/31] target/sh4: do not use a helper to implement fneg, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 22/31] target/sh4: Unify code for CHECK_NOT_DELAY_SLOT, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 03/31] target/sh4: fix FPSCR cause vs flag inversion, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 27/31] target/sh4: Introduce CHECK_SH4A, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 11/31] target/sh4: Recognize common gUSA sequences, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 08/31] target/sh4: Keep env->flags clean, Aurelien Jarno, 2017/07/18
- [Qemu-devel] [PULL 23/31] target/sh4: Unify code for CHECK_PRIVILEGED, Aurelien Jarno, 2017/07/18