From: Chen Gang <gang.chen.5...@gmail.com>
Only according to v1add implementation.
Signed-off-by: Chen Gang <gang.chen.5...@gmail.com>
---
target-tilegx/helper.h | 1 +
target-tilegx/simd_helper.c | 13 +++++++++++++
target-tilegx/translate.c | 4 ++++
3 files changed, 18 insertions(+)
diff --git a/target-tilegx/helper.h b/target-tilegx/helper.h
index c366984..0af91af 100644
--- a/target-tilegx/helper.h
+++ b/target-tilegx/helper.h
@@ -6,6 +6,7 @@ DEF_HELPER_FLAGS_1(revbits, TCG_CALL_NO_RWG_SE, i64, i64)
DEF_HELPER_FLAGS_3(shufflebytes, TCG_CALL_NO_RWG_SE, i64, i64, i64, i64)
DEF_HELPER_FLAGS_2(v1add, TCG_CALL_NO_RWG_SE, i64, i64, i64)
+DEF_HELPER_FLAGS_2(v1multu, TCG_CALL_NO_RWG_SE, i64, i64, i64)
DEF_HELPER_FLAGS_2(v1shl, TCG_CALL_NO_RWG_SE, i64, i64, i64)
DEF_HELPER_FLAGS_2(v1shru, TCG_CALL_NO_RWG_SE, i64, i64, i64)
DEF_HELPER_FLAGS_2(v1shrs, TCG_CALL_NO_RWG_SE, i64, i64, i64)
diff --git a/target-tilegx/simd_helper.c b/target-tilegx/simd_helper.c
index ec589fe..d1cd9bc 100644
--- a/target-tilegx/simd_helper.c
+++ b/target-tilegx/simd_helper.c
@@ -192,3 +192,16 @@ uint64_t helper_v4shrs(uint64_t a, uint64_t b)
}
return r;
}
+
+uint64_t helper_v1multu(uint64_t a, uint64_t b)
+{
+ uint64_t r = 0;
+ int i;
+
+ for (i = 0; i < 64; i += 8) {
+ uint64_t ae = (uint8_t)(a >> i);
+ uint64_t be = (uint8_t)(b >> i);
+ r |= ((ae * be) & 0xff) << i;
+ }
+ return r;
+}
diff --git a/target-tilegx/translate.c b/target-tilegx/translate.c
index 2246243..4fc7cd7 100644
--- a/target-tilegx/translate.c
+++ b/target-tilegx/translate.c
@@ -1074,7 +1074,11 @@ static TileExcp gen_rrr_opcode(DisasContext *dc,
unsigned opext,
case OE_RRR(V1MINU, 0, X1):
case OE_RRR(V1MNZ, 0, X0):
case OE_RRR(V1MNZ, 0, X1):
+ return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
case OE_RRR(V1MULTU, 0, X0):
+ gen_helper_v1multu(tdest, tsrca, tsrcb);
+ mnemonic = "v1multu";
+ break;
case OE_RRR(V1MULUS, 0, X0):
case OE_RRR(V1MULU, 0, X0):
case OE_RRR(V1MZ, 0, X0):
--
1.9.3
