aboutsummaryrefslogtreecommitdiff
path: root/target-tilegx/translate.c
diff options
context:
space:
mode:
authorRichard Henderson <rth@twiddle.net>2015-09-23 10:43:48 -0700
committerRichard Henderson <rth@twiddle.net>2015-10-07 20:03:14 +1100
commit9ff5b57c219f38f025b95ebf4b593b5d4e828b53 (patch)
tree4165e047f161bed4d92e10d0f65557f456fc9410 /target-tilegx/translate.c
parent0b4232f10895e863b1759a93ba0d0a1b3380dc31 (diff)
target-tilegx: Implement complex multiply instructions
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-tilegx/translate.c')
-rw-r--r--target-tilegx/translate.c31
1 files changed, 30 insertions, 1 deletions
diff --git a/target-tilegx/translate.c b/target-tilegx/translate.c
index 9f86fd3710..d7e4d526e2 100644
--- a/target-tilegx/translate.c
+++ b/target-tilegx/translate.c
@@ -276,6 +276,15 @@ static void gen_mul_half(TCGv tdest, TCGv tsrca, TCGv tsrcb,
tcg_temp_free(t);
}
+static void gen_cmul2(TCGv tdest, TCGv tsrca, TCGv tsrcb, int sh, int rd)
+{
+ TCGv_i32 tsh = tcg_const_i32(sh);
+ TCGv_i32 trd = tcg_const_i32(rd);
+ gen_helper_cmul2(tdest, tsrca, tsrcb, tsh, trd);
+ tcg_temp_free_i32(tsh);
+ tcg_temp_free_i32(trd);
+}
+
static TileExcp gen_st_opcode(DisasContext *dc, unsigned dest, unsigned srca,
unsigned srcb, TCGMemOp memop, const char *name)
{
@@ -759,13 +768,33 @@ static TileExcp gen_rrr_opcode(DisasContext *dc, unsigned opext,
mnemonic = "cmpne";
break;
case OE_RRR(CMULAF, 0, X0):
+ gen_helper_cmulaf(tdest, load_gr(dc, dest), tsrca, tsrcb);
+ mnemonic = "cmulaf";
+ break;
case OE_RRR(CMULA, 0, X0):
+ gen_helper_cmula(tdest, load_gr(dc, dest), tsrca, tsrcb);
+ mnemonic = "cmula";
+ break;
case OE_RRR(CMULFR, 0, X0):
+ gen_cmul2(tdest, tsrca, tsrcb, 15, 1 << 14);
+ mnemonic = "cmulfr";
+ break;
case OE_RRR(CMULF, 0, X0):
+ gen_cmul2(tdest, tsrca, tsrcb, 15, 0);
+ mnemonic = "cmulf";
+ break;
case OE_RRR(CMULHR, 0, X0):
+ gen_cmul2(tdest, tsrca, tsrcb, 16, 1 << 15);
+ mnemonic = "cmulhr";
+ break;
case OE_RRR(CMULH, 0, X0):
+ gen_cmul2(tdest, tsrca, tsrcb, 16, 0);
+ mnemonic = "cmulh";
+ break;
case OE_RRR(CMUL, 0, X0):
- return TILEGX_EXCP_OPCODE_UNIMPLEMENTED;
+ gen_helper_cmula(tdest, load_zero(dc), tsrca, tsrcb);
+ mnemonic = "cmul";
+ break;
case OE_RRR(CRC32_32, 0, X0):
gen_helper_crc32_32(tdest, tsrca, tsrcb);
mnemonic = "crc32_32";