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[Qemu-devel] [5074] sh4: fix tas.b @Rn instruction
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [5074] sh4: fix tas.b @Rn instruction |
Date: |
Fri, 22 Aug 2008 21:30:29 +0000 |
Revision: 5074
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5074
Author: aurel32
Date: 2008-08-22 21:30:28 +0000 (Fri, 22 Aug 2008)
Log Message:
-----------
sh4: fix tas.b @Rn instruction
(Shin-ichiro KAWASAKI, based on a patch from Andrzej Zaborowski)
Modified Paths:
--------------
trunk/target-sh4/op.c
trunk/target-sh4/translate.c
Modified: trunk/target-sh4/op.c
===================================================================
--- trunk/target-sh4/op.c 2008-08-22 21:25:00 UTC (rev 5073)
+++ trunk/target-sh4/op.c 2008-08-22 21:30:28 UTC (rev 5074)
@@ -592,13 +592,6 @@
RETURN();
}
-void OPPROTO op_tasb_rN(void)
-{
- cond_t((env->gregs[PARAM1] & 0xff) == 0);
- *(int8_t *) &env->gregs[PARAM1] |= 0x80;
- RETURN();
-}
-
void OPPROTO op_movl_T0_rN(void)
{
env->gregs[PARAM1] = T0;
Modified: trunk/target-sh4/translate.c
===================================================================
--- trunk/target-sh4/translate.c 2008-08-22 21:25:00 UTC (rev 5073)
+++ trunk/target-sh4/translate.c 2008-08-22 21:30:28 UTC (rev 5074)
@@ -1100,7 +1100,12 @@
gen_op_shlr16_Rn(REG(B11_8));
return;
case 0x401b: /* tas.b @Rn */
- gen_op_tasb_rN(REG(B11_8));
+ gen_op_movl_rN_T0(REG(B11_8));
+ gen_op_movl_T0_T1();
+ gen_op_ldub_T0_T0(ctx);
+ gen_op_cmp_eq_imm_T0(0);
+ gen_op_or_imm_T0(0x80);
+ gen_op_stb_T0_T1(ctx);
return;
case 0xf00d: /* fsts FPUL,FRn - FPSCR: Nothing */
gen_op_movl_fpul_FT0();
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