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authoraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2008-08-22 21:30:28 +0000
committeraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2008-08-22 21:30:28 +0000
commit825c69ce025d293baee28dca6538b64ea2a3900a (patch)
treee0a74806734b43da439cd2b3ebcc0d948a6122b2
parentf066404827c54ada88d10ee2c267ee11555ae148 (diff)
sh4: fix tas.b @Rn instruction
(Shin-ichiro KAWASAKI, based on a patch from Andrzej Zaborowski) git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5074 c046a42c-6fe2-441c-8c8c-71466251a162
-rw-r--r--target-sh4/op.c7
-rw-r--r--target-sh4/translate.c7
2 files changed, 6 insertions, 8 deletions
diff --git a/target-sh4/op.c b/target-sh4/op.c
index 37ac93099a..54a5c7b6a8 100644
--- a/target-sh4/op.c
+++ b/target-sh4/op.c
@@ -592,13 +592,6 @@ void OPPROTO op_shlr16_Rn(void)
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;
diff --git a/target-sh4/translate.c b/target-sh4/translate.c
index 2403515c0b..9ea6b3ed43 100644
--- a/target-sh4/translate.c
+++ b/target-sh4/translate.c
@@ -1100,7 +1100,12 @@ void _decode_opc(DisasContext * ctx)
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();