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[Qemu-devel] [PATCH v4 34/64] target-tilegx: Use clz and ctz opcodes
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v4 34/64] target-tilegx: Use clz and ctz opcodes |
Date: |
Wed, 23 Nov 2016 14:01:31 +0100 |
Signed-off-by: Richard Henderson <address@hidden>
---
target-tilegx/helper.c | 10 ----------
target-tilegx/helper.h | 2 --
target-tilegx/translate.c | 4 ++--
3 files changed, 2 insertions(+), 14 deletions(-)
diff --git a/target-tilegx/helper.c b/target-tilegx/helper.c
index b4fba9c..b6f5e29 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 9281d0f..bab303a 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 9c734ee..8a2df1b 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):
--
2.7.4
- [Qemu-devel] [PATCH v4 23/64] tcg: Allow an operand to be matching or a constant, (continued)
- [Qemu-devel] [PATCH v4 23/64] tcg: Allow an operand to be matching or a constant, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 26/64] disas/ppc: Handle popcnt and cnttz, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 24/64] tcg: Add clz and ctz opcodes, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 27/64] target-alpha: Use the ctz and clz opcodes, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 29/64] target-microblaze: Use clz opcode, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 28/64] target-cris: Use clz opcode, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 31/64] target-openrisc: Use clz and ctz opcodes, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 30/64] target-mips: Use clz opcode, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 32/64] target-ppc: Use clz and ctz opcodes, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 33/64] target-s390x: Use clz opcode, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 34/64] target-tilegx: Use clz and ctz opcodes,
Richard Henderson <=
- [Qemu-devel] [PATCH v4 36/64] target-unicore32: Use clz opcode, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 35/64] target-tricore: Use clz opcode, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 38/64] target-arm: Use clz opcode, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 37/64] target-xtensa: Use clz opcode, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 39/64] target-i386: Use clz and ctz opcodes, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 41/64] tcg/aarch64: Handle ctz and clz opcodes, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 40/64] tcg/ppc: Handle ctz and clz opcodes, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 43/64] tcg/mips: Handle clz opcode, Richard Henderson, 2016/11/23
- [Qemu-devel] [PATCH v4 42/64] tcg/arm: Handle ctz and clz opcodes, Richard Henderson, 2016/11/23