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authorRichard Henderson <rth@twiddle.net>2016-11-16 11:33:48 +0100
committerRichard Henderson <rth@twiddle.net>2017-01-10 08:06:11 -0800
commitc3aa369e5d895b4a48339fd3dbb3f72228a8ecc9 (patch)
tree4c78914c4c1960e8ab6fdf8fb9d65afd66779b8e /target/tilegx
parent0f9712b117cae2d8f01475faea662c3e1b57d5f7 (diff)
target-tilegx: Use clz and ctz opcodes
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target/tilegx')
-rw-r--r--target/tilegx/helper.c10
-rw-r--r--target/tilegx/helper.h2
-rw-r--r--target/tilegx/translate.c4
3 files changed, 2 insertions, 14 deletions
diff --git a/target/tilegx/helper.c b/target/tilegx/helper.c
index b4fba9cc21..b6f5e29ddd 100644
--- a/target/tilegx/helper.c
+++ b/target/tilegx/helper.c
@@ -55,16 +55,6 @@ void helper_ext01_ics(CPUTLGState *env)
}
}
-uint64_t helper_cntlz(uint64_t arg)
-{
- return clz64(arg);
-}
-
-uint64_t helper_cnttz(uint64_t arg)
-{
- return ctz64(arg);
-}
-
uint64_t helper_pcnt(uint64_t arg)
{
return ctpop64(arg);
diff --git a/target/tilegx/helper.h b/target/tilegx/helper.h
index 9281d0f428..bab303a8d1 100644
--- a/target/tilegx/helper.h
+++ b/target/tilegx/helper.h
@@ -1,7 +1,5 @@
DEF_HELPER_2(exception, noreturn, env, i32)
DEF_HELPER_1(ext01_ics, void, env)
-DEF_HELPER_FLAGS_1(cntlz, TCG_CALL_NO_RWG_SE, i64, i64)
-DEF_HELPER_FLAGS_1(cnttz, TCG_CALL_NO_RWG_SE, i64, i64)
DEF_HELPER_FLAGS_1(pcnt, TCG_CALL_NO_RWG_SE, i64, i64)
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)
diff --git a/target/tilegx/translate.c b/target/tilegx/translate.c
index 9c734eeba3..8a2df1b272 100644
--- a/target/tilegx/translate.c
+++ b/target/tilegx/translate.c
@@ -608,12 +608,12 @@ static TileExcp gen_rr_opcode(DisasContext *dc, unsigned opext,
switch (opext) {
case OE_RR_X0(CNTLZ):
case OE_RR_Y0(CNTLZ):
- gen_helper_cntlz(tdest, tsrca);
+ tcg_gen_clzi_tl(tdest, tsrca, TARGET_LONG_BITS);
mnemonic = "cntlz";
break;
case OE_RR_X0(CNTTZ):
case OE_RR_Y0(CNTTZ):
- gen_helper_cnttz(tdest, tsrca);
+ tcg_gen_ctzi_tl(tdest, tsrca, TARGET_LONG_BITS);
mnemonic = "cnttz";
break;
case OE_RR_X0(FSINGLE_PACK1):