Adding following instructions:
moduw: Modulo Unsigned Word
modsw: Modulo Signed Word
Signed-off-by: Nikunj A Dadhania <nik...@linux.vnet.ibm.com>
---
target-ppc/translate.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 48 insertions(+)
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index d44f7af..487dd94 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -1178,6 +1178,52 @@ GEN_DIVE(divde, divde, 0);
GEN_DIVE(divdeo, divde, 1);
#endif
+static inline void gen_op_arith_modw(DisasContext *ctx, TCGv ret, TCGv arg1,
+ TCGv arg2, int sign)
+{
+ TCGLabel *l1 = gen_new_label();
+ TCGLabel *l2 = gen_new_label();
+ TCGv_i32 t0 = tcg_temp_local_new_i32();
+ TCGv_i32 t1 = tcg_temp_local_new_i32();
+ TCGv_i32 t2 = tcg_temp_local_new_i32();
+
+ tcg_gen_trunc_tl_i32(t0, arg1);
+ tcg_gen_trunc_tl_i32(t1, arg2);
+ tcg_gen_brcondi_i32(TCG_COND_EQ, t1, 0, l1);
+ if (sign) {
+ TCGLabel *l3 = gen_new_label();
+ tcg_gen_brcondi_i32(TCG_COND_NE, t1, -1, l3);
+ tcg_gen_brcondi_i32(TCG_COND_EQ, t0, INT32_MIN, l1);
+ gen_set_label(l3);
+ tcg_gen_rem_i32(t2, t0, t1);
+ } else {
+ tcg_gen_remu_i32(t2, t0, t1);
+ }
+ tcg_gen_br(l2);
+ gen_set_label(l1);
+ if (sign) {
+ tcg_gen_sari_i32(t2, t0, 31);
+ } else {
+ tcg_gen_movi_i32(t2, 0);
+ }
+ gen_set_label(l2);
+ tcg_gen_extu_i32_tl(ret, t2);
+ tcg_temp_free_i32(t0);
+ tcg_temp_free_i32(t1);
+ tcg_temp_free_i32(t2);
+}
+
+#define GEN_INT_ARITH_MODW(name, opc3, sign) \
+static void glue(gen_, name)(DisasContext *ctx) \
+{ \
+ gen_op_arith_modw(ctx, cpu_gpr[rD(ctx->opcode)], \
+ cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
+ sign); \
+}
+
+GEN_INT_ARITH_MODW(modsw, 0x18, 1);
+GEN_INT_ARITH_MODW(moduw, 0x08, 0);
+
/* mulhw mulhw. */
static void gen_mulhw(DisasContext *ctx)
{
@@ -10244,6 +10290,8 @@ GEN_HANDLER_E(divwe, 0x1F, 0x0B, 0x0D, 0, PPC_NONE,
PPC2_DIVE_ISA206),
GEN_HANDLER_E(divweo, 0x1F, 0x0B, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206),
GEN_HANDLER_E(divweu, 0x1F, 0x0B, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206),
GEN_HANDLER_E(divweuo, 0x1F, 0x0B, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206),
+GEN_HANDLER_E(modsw, 0x1F, 0x0B, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300),
+GEN_HANDLER_E(moduw, 0x1F, 0x0B, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300),
#if defined(TARGET_PPC64)
#undef GEN_INT_ARITH_DIVD
--
2.7.4
