From: Nikunj A Dadhania <nik...@linux.vnet.ibm.com>
Adding following instructions for ISA3.0 support
modud: Modulo Unsigned Dword
modsd: Modulo Signed Dword
Signed-off-by: Nikunj A Dadhania <nik...@linux.vnet.ibm.com>
Reviewed-by: Richard Henderson <r...@twiddle.net
Signed-off-by: David Gibson <da...@gibson.dropbear.id.au>
---
target-ppc/translate.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 48 insertions(+)
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index e3d9ac3..90aabb5 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -1222,6 +1222,52 @@ static void glue(gen_, name)(DisasContext *ctx)
\
GEN_INT_ARITH_MODW(moduw, 0x08, 0);
GEN_INT_ARITH_MODW(modsw, 0x18, 1);
+#if defined(TARGET_PPC64)
+static inline void gen_op_arith_modd(DisasContext *ctx, TCGv ret, TCGv arg1,
+ TCGv arg2, int sign)
+{
+ TCGv_i64 t0 = tcg_temp_new_i64();
+ TCGv_i64 t1 = tcg_temp_new_i64();
+
+ tcg_gen_mov_i64(t0, arg1);
+ tcg_gen_mov_i64(t1, arg2);
+ if (sign) {
+ TCGv_i64 t2 = tcg_temp_new_i64();
+ TCGv_i64 t3 = tcg_temp_new_i64();
+ tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN);
+ tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1);
+ tcg_gen_and_i64(t2, t2, t3);
+ tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0);
+ tcg_gen_or_i64(t2, t2, t3);
+ tcg_gen_movi_i64(t3, 0);
+ tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1);
+ tcg_gen_rem_i64(ret, t0, t1);
+ tcg_temp_free_i64(t2);
+ tcg_temp_free_i64(t3);
+ } else {
+ TCGv_i64 t2 = tcg_const_i64(1);
+ TCGv_i64 t3 = tcg_const_i64(0);
+ tcg_gen_movcond_i64(TCG_COND_EQ, t1, t1, t3, t2, t1);
+ tcg_gen_remu_i64(ret, t0, t1);
+ tcg_temp_free_i64(t2);
+ tcg_temp_free_i64(t3);
+ }
+ tcg_temp_free_i64(t0);
+ tcg_temp_free_i64(t1);
+}
+
+#define GEN_INT_ARITH_MODD(name, opc3, sign) \
+static void glue(gen_, name)(DisasContext *ctx) \
+{ \
+ gen_op_arith_modd(ctx, cpu_gpr[rD(ctx->opcode)], \
+ cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
+ sign); \
+}
+
+GEN_INT_ARITH_MODD(modud, 0x08, 0);
+GEN_INT_ARITH_MODD(modsd, 0x18, 1);
+#endif
+
/* mulhw mulhw. */
static void gen_mulhw(DisasContext *ctx)
{
@@ -10304,6 +10350,8 @@ GEN_HANDLER_E(divdeu, 0x1F, 0x09, 0x0C, 0, PPC_NONE,
PPC2_DIVE_ISA206),
GEN_HANDLER_E(divdeuo, 0x1F, 0x09, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206),
GEN_HANDLER_E(divde, 0x1F, 0x09, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206),
GEN_HANDLER_E(divdeo, 0x1F, 0x09, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206),
+GEN_HANDLER_E(modsd, 0x1F, 0x09, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300),
+GEN_HANDLER_E(modud, 0x1F, 0x09, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300),
#undef GEN_INT_ARITH_MUL_HELPER
#define GEN_INT_ARITH_MUL_HELPER(name, opc3) \
--
2.7.4
