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[Qemu-devel] [5119] SH4: Convert shift functions to TCG
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [5119] SH4: Convert shift functions to TCG |
Date: |
Sat, 30 Aug 2008 22:37:17 +0000 |
Revision: 5119
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5119
Author: aurel32
Date: 2008-08-30 22:37:17 +0000 (Sat, 30 Aug 2008)
Log Message:
-----------
SH4: Convert shift functions to TCG
Signed-off-by: Aurelien Jarno <address@hidden>
Modified Paths:
--------------
trunk/target-sh4/op.c
trunk/target-sh4/translate.c
Modified: trunk/target-sh4/op.c
===================================================================
--- trunk/target-sh4/op.c 2008-08-30 22:07:52 UTC (rev 5118)
+++ trunk/target-sh4/op.c 2008-08-30 22:37:17 UTC (rev 5119)
@@ -115,27 +115,6 @@
RETURN();
}
-void OPPROTO op_shal_Rn(void)
-{
- cond_t(env->gregs[PARAM1] & 0x80000000);
- env->gregs[PARAM1] <<= 1;
- RETURN();
-}
-
-void OPPROTO op_shar_Rn(void)
-{
- cond_t(env->gregs[PARAM1] & 1);
- *(int32_t *)&env->gregs[PARAM1] >>= 1;
- RETURN();
-}
-
-void OPPROTO op_shlr_Rn(void)
-{
- cond_t(env->gregs[PARAM1] & 1);
- env->gregs[PARAM1] >>= 1;
- RETURN();
-}
-
void OPPROTO op_fmov_frN_FT0(void)
{
FT0 = env->fregs[PARAM1];
Modified: trunk/target-sh4/translate.c
===================================================================
--- trunk/target-sh4/translate.c 2008-08-30 22:07:52 UTC (rev 5118)
+++ trunk/target-sh4/translate.c 2008-08-30 22:37:17 UTC (rev 5119)
@@ -1226,13 +1226,19 @@
return;
case 0x4000: /* shll Rn */
case 0x4020: /* shal Rn */
- gen_op_shal_Rn(REG(B11_8));
+ tcg_gen_andi_i32(cpu_T[0], cpu_gregs[REG(B11_8)], 0x80000000);
+ gen_cmp_imm(TCG_COND_NE, cpu_T[0], 0);
+ tcg_gen_shli_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 1);
return;
case 0x4021: /* shar Rn */
- gen_op_shar_Rn(REG(B11_8));
+ tcg_gen_andi_i32(cpu_T[0], cpu_gregs[REG(B11_8)], 1);
+ gen_cmp_imm(TCG_COND_NE, cpu_T[0], 0);
+ tcg_gen_sari_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 1);
return;
case 0x4001: /* shlr Rn */
- gen_op_shlr_Rn(REG(B11_8));
+ tcg_gen_andi_i32(cpu_T[0], cpu_gregs[REG(B11_8)], 1);
+ gen_cmp_imm(TCG_COND_NE, cpu_T[0], 0);
+ tcg_gen_shri_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 1);
return;
case 0x4008: /* shll2 Rn */
tcg_gen_shli_i32(cpu_gregs[REG(B11_8)], cpu_gregs[REG(B11_8)], 2);
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