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authoraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2008-08-30 22:37:17 +0000
committeraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2008-08-30 22:37:17 +0000
commitc047da1af40c116fb9b365ccaa3ae6dda80727d1 (patch)
tree06b4a49e39b3c316446d7e3fb1c8453ab0ccab16 /target-sh4/translate.c
parent390af821662c9d6af90b8914ec3efd0f8b255aef (diff)
SH4: Convert shift functions to TCG
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5119 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-sh4/translate.c')
-rw-r--r--target-sh4/translate.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/target-sh4/translate.c b/target-sh4/translate.c
index 985675bfa7..6e29e8f9c6 100644
--- a/target-sh4/translate.c
+++ b/target-sh4/translate.c
@@ -1226,13 +1226,19 @@ void _decode_opc(DisasContext * ctx)
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);