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[Qemu-devel] [PATCH 02/25] target-alpha: Use the ctz and clz opcodes
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 02/25] target-alpha: Use the ctz and clz opcodes |
Date: |
Wed, 16 Nov 2016 20:25:12 +0100 |
Signed-off-by: Richard Henderson <address@hidden>
---
target-alpha/helper.h | 2 --
target-alpha/int_helper.c | 10 ----------
target-alpha/translate.c | 4 ++--
3 files changed, 2 insertions(+), 14 deletions(-)
diff --git a/target-alpha/helper.h b/target-alpha/helper.h
index 004221d..eed3906 100644
--- a/target-alpha/helper.h
+++ b/target-alpha/helper.h
@@ -4,8 +4,6 @@ DEF_HELPER_FLAGS_1(load_pcc, TCG_CALL_NO_RWG_SE, i64, env)
DEF_HELPER_FLAGS_3(check_overflow, TCG_CALL_NO_WG, void, env, i64, i64)
DEF_HELPER_FLAGS_1(ctpop, TCG_CALL_NO_RWG_SE, i64, i64)
-DEF_HELPER_FLAGS_1(ctlz, TCG_CALL_NO_RWG_SE, i64, i64)
-DEF_HELPER_FLAGS_1(cttz, TCG_CALL_NO_RWG_SE, i64, i64)
DEF_HELPER_FLAGS_2(zap, TCG_CALL_NO_RWG_SE, i64, i64, i64)
DEF_HELPER_FLAGS_2(zapnot, TCG_CALL_NO_RWG_SE, i64, i64, i64)
diff --git a/target-alpha/int_helper.c b/target-alpha/int_helper.c
index 19bebfe..3c303bd 100644
--- a/target-alpha/int_helper.c
+++ b/target-alpha/int_helper.c
@@ -29,16 +29,6 @@ uint64_t helper_ctpop(uint64_t arg)
return ctpop64(arg);
}
-uint64_t helper_ctlz(uint64_t arg)
-{
- return clz64(arg);
-}
-
-uint64_t helper_cttz(uint64_t arg)
-{
- return ctz64(arg);
-}
-
uint64_t helper_zapnot(uint64_t val, uint64_t mskb)
{
uint64_t mask;
diff --git a/target-alpha/translate.c b/target-alpha/translate.c
index 5ac2277..6e2e563 100644
--- a/target-alpha/translate.c
+++ b/target-alpha/translate.c
@@ -2555,14 +2555,14 @@ static ExitStatus translate_one(DisasContext *ctx,
uint32_t insn)
REQUIRE_TB_FLAG(TB_FLAGS_AMASK_CIX);
REQUIRE_REG_31(ra);
REQUIRE_NO_LIT;
- gen_helper_ctlz(vc, vb);
+ tcg_gen_clzi_i64(vc, vb, 64);
break;
case 0x33:
/* CTTZ */
REQUIRE_TB_FLAG(TB_FLAGS_AMASK_CIX);
REQUIRE_REG_31(ra);
REQUIRE_NO_LIT;
- gen_helper_cttz(vc, vb);
+ tcg_gen_ctzi_i64(vc, vb, 64);
break;
case 0x34:
/* UNPKBW */
--
2.7.4
- [Qemu-devel] [PATCH 00/25] tcg: Handle clz, ctz, and clrsb generically, Richard Henderson, 2016/11/16
- [Qemu-devel] [PATCH 02/25] target-alpha: Use the ctz and clz opcodes,
Richard Henderson <=
- [Qemu-devel] [PATCH 03/25] target-cris: Use clz opcode, Richard Henderson, 2016/11/16
- [Qemu-devel] [PATCH 04/25] target-microblaze: Use clz opcode, Richard Henderson, 2016/11/16
- [Qemu-devel] [PATCH 01/25] tcg: Add clz and ctz opcodes, Richard Henderson, 2016/11/16
- [Qemu-devel] [PATCH 05/25] target-mips: Use clz opcode, Richard Henderson, 2016/11/16
- [Qemu-devel] [PATCH 06/25] target-openrisc: Use clz and ctz opcodes, Richard Henderson, 2016/11/16
- [Qemu-devel] [PATCH 07/25] target-ppc: Use clz and ctz opcodes, Richard Henderson, 2016/11/16
- [Qemu-devel] [PATCH 10/25] target-tricore: Use clz opcode, Richard Henderson, 2016/11/16